Electric power engineering construction pipeline surface treatment device

Abstract

The invention discloses an electric power engineering construction pipeline surface treatment device which comprises a bottom frame, telescopic rods are fixedly connected to the two sides of the bottom frame correspondingly, side plates are fixedly connected to the sides, away from the bottom frame, of the telescopic rods, a plurality of connecting shafts are rotationally connected to one side plate, and the connecting shafts all penetrate through the side plates; the ends, close to the center of the bottom frame, of the connecting shafts are fixedly connected with disc clamps used for clamping pipelines, and the ends, away from the disc clamps, of the connecting shafts are fixedly connected with belt wheels. A plurality of disc clamps are arranged, a plurality of pipelines can be fixed at the same time, a motor is started, a transmission belt is used in a matched mode, a plurality of belt wheels rotate at the same time, the disc clamps can be driven to rotate through a connecting shaft, the pipelines are driven to rotate, and the abrasive belts are abraded through friction between the abrasive belts and the outer surfaces of the pipelines. And the outer surfaces of the multiple pipelines can be derusted at the same time, the derusting efficiency is improved, and therefore the practicability of the device is enhanced.

Description

Technical Field

[0001] The invention belongs to the technical field of pipeline surface treatment, and in particular relates to a pipeline surface treatment device for electric power engineering construction. Background Art

[0002] Power engineering construction is a complex and important task. It involves many aspects, including substation construction, transmission line erection, and distribution facility installation. The surface treatment of pipelines in power engineering construction is very important. There are many steps in the treatment, such as cleaning, rust removal, and anti-corrosion coating. There are many benefits to surface treatment of pipelines in power engineering construction. Removing rust and impurities can prevent corrosion, reduce the risk of damage and leakage of pipelines, and thus extend the service life of pipelines; anti-corrosion coatings can effectively block the erosion of pipelines by the external environment and further protect pipelines. When performing surface treatment of pipelines in power engineering construction, appropriate treatment methods and materials should be selected according to the specific situation, and the operation should be carried out in strict accordance with the construction specifications to ensure the treatment effect and project quality.

[0003] In the current technology, Chinese patent CN219519857U discloses a pipeline surface treatment device, including a base, a support plate is fixed on one side wall of the base, a lifting plate is installed on the front side wall of the support plate, a laser cleaning machine is fixed on the outer wall of the support plate, and the laser transmitting head of the laser cleaning machine is fixed to the bottom of the lifting plate. A slide groove is opened on one side wall of the base corresponding to the support plate, a screw motor is fixed on one side wall of the inner cavity of the slide groove, a screw is fixedly connected to the outer end of the screw motor transmission shaft, the outer end of the screw is rotatably connected to the inner wall of the slide groove, the outer wall of the screw is covered with an adaptive screw slider, and the outer wall of the screw slider is fixedly connected to the support plate.

[0004] However, the pipeline surface treatment device provided in the above technical solution still has many disadvantages in actual use. For example, when removing rust from the surface of the pipeline, it is impossible to remove rust from multiple pipelines at the same time, which makes the rust removal efficiency low. In addition, the cost of using a laser transmitter head for rust removal is high, which makes its practicality poor. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In order to solve the problem that the pipeline surface treatment device proposed in the above background technology cannot remove rust from multiple pipelines at the same time when removing rust on the surface of the pipeline, resulting in low rust removal efficiency, and the cost of using a laser transmitter head for rust removal is high, thus making the practicality poor, the present invention adopts the following technical solution.

[0007] A pipeline surface treatment device for power engineering construction comprises a bottom frame, both sides of the bottom frame are fixedly connected with telescopic rods, a side plate is fixedly connected with the telescopic rod on the side away from the bottom frame, one of the side plates is rotatably connected with a plurality of connecting shafts, and the plurality of connecting shafts all penetrate the side plates, an end of the connecting shaft close to the center of the bottom frame is fixedly connected with a disc clamp for clamping the pipeline, an end of the connecting shaft away from the disc clamp is fixedly connected with a pulley, and the pulley is coaxially arranged with the connecting shaft opposite to it, a plurality of pulleys are connected by a transmission belt, a motor is arranged on one side of one of the pulleys, the motor is fixedly connected to the side plate, the output end of the motor is fixedly connected to one of the pulleys, a plurality of gaskets are fixedly connected to the side of the other side plate close to the center of the bottom frame, the positions of the plurality of gaskets and the plurality of disc clamps correspond one to one, and an abrasive belt that can move up and down is arranged on the top of the side plate.

[0008] Preferably, the center axis of the disc clamp coincides with the center axis of its corresponding connecting shaft, multiple connecting shafts are evenly distributed about the horizontal center line of the side plate, and the telescopic rod and the side plate are symmetrical about the vertical center line of the bottom frame.

[0009] Preferably, both sides of the side plate are fixedly connected with a support frame, the top of the support frame is fixedly connected with a lifting rod, the top of the lifting rod is fixedly connected with a connecting plate, and a winding roller for winding the sanding belt is arranged between the two connecting plates on the same side.

[0010] Preferably, the winding roller and the connecting plate are connected by a round shaft, and locking rings are threadedly connected to both ends of the round shaft. The round shaft and the winding roller are fixedly connected, and the round shaft and the connecting plate are rotatably connected. Tightening the locking ring so that the locking ring and the connecting plate are in contact with each other can limit the rotation of the round shaft.

[0011] Preferably, the center of the gasket is fixedly connected to an electric push rod, the end of the electric push rod is fixedly connected to a connecting platform, the horizontal center line of the connecting platform coincides with the central axis of the electric push rod, a plurality of cylinders are arranged on the outside of the connecting platform, and the ends of the cylinders are fixedly connected to sand plates.

[0012] Preferably, the central axis of the electric push rod coincides with the horizontal center line of the gasket, a plurality of cylinders are evenly distributed in a ring shape about the central axis of the electric push rod, and the outer side of the sand plate is a curved surface structure.

[0013] Preferably, the top and front end of the bottom frame are both provided with openings, and a collection box is provided on the front side of the bottom frame. The collection box is plugged into the bottom frame through the opening, and a box opening is provided on the top of the collection box.

[0014] Preferably, a mounting plate is fixedly connected to the bottom of the bottom frame, a plurality of feet are fixedly connected to the bottom of the mounting plate, and a plurality of evenly distributed positioning holes are provided at the front and rear ends of the mounting plate.

[0015] Preferably, the vertical center line of the bottom frame coincides with the vertical center line of the mounting plate, the side plates are symmetrical about the vertical center line of the bottom frame, the telescopic rods are symmetrical about the horizontal center line of the side plates, and the plurality of feet are symmetrical about the vertical center line of the mounting plate.

[0016] Beneficial Effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention is provided with a plurality of disc clamps, which can fix a plurality of pipes at the same time. By starting the motor and using the transmission belt, a plurality of pulleys can be rotated at the same time. The disc clamps can be driven to rotate through the connecting shaft, and the pipes can be driven to rotate. By utilizing the friction between the sand belt and the outer surface of the pipe, the outer surfaces of the plurality of pipes can be derusted at the same time, thereby improving the efficiency of rust removal and enhancing the practicality of the device.

[0019] 2. The present invention can adjust the distance between the two side plates through the telescopic rod, so that the device can be suitable for the assembly of pipes of different lengths. At the same time, the sanding belt can be rolled up by the rotation of the round shaft and the winding roller, which is convenient for adjusting the unfolded length of the sanding belt. By tightening the locking ring and using the connecting plate, the round shaft can be fixed to limit the rotation of the winding roller, so that the unfolded sanding belt can be flattened, so that the sanding belt of the device can be suitable for rust removal of pipes of different lengths, thereby improving the applicability of the device. The lifting rod on the support frame can be used to adjust the height of the connecting plate and the sanding belt, which is convenient for contact with the outer surface of pipes of different calibers, so that the outer surface of pipes of different calibers can be rust removed, further improving the applicability of the device.

[0020] 3. The present invention utilizes a cylinder to move the sand plate toward the outside of the connecting platform so that the sand plate contacts the inner wall of the pipe. The inner wall of the pipe and the outer surface of the sand plate are rubbed against each other through the rotation of the pipe, thereby achieving simultaneous rust removal on the inner and outer surfaces of the pipe, making rust removal of the pipe more comprehensive and further improving the rust removal efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall front view structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the overall and pipeline assembly structure of the present invention;

[0024] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the present invention;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the pulley of the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the electric push rod and the gasket of the present invention;

[0027] Figure 7 It is a schematic diagram of the overall top view structure of the present invention;

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the bottom frame of the present invention.

[0029] The corresponding relationship between the various figure labels and component names in the figure is as follows:

[0030] 1. Bottom frame; 2. Telescopic rod; 3. Side panel; 4. Connecting shaft; 5. Disc clamp; 6. Pulley; 7. Transmission belt; 8. Motor; 9. Gasket; 10. Sanding belt; 11. Support frame; 12. Lifting rod; 13. Connecting plate; 14. Winding roller; 15. Round shaft; 16. Locking ring; 17. Connecting table; 18. Cylinder; 19. Sanding plate; 20. Collection box; 21. Mounting plate; 22. Foot; 23. Positioning hole; 24. Electric push rod. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0034] See also Figure 1-4and Figure 8 , an embodiment of the present invention provides: a surface treatment device for pipeline construction of power engineering, comprising a bottom frame 1, both sides of the bottom frame 1 are fixedly connected with telescopic rods 2, the side of the telescopic rod 2 away from the bottom frame 1 is fixedly connected with a side plate 3, the bottom of the bottom frame 1 is fixedly connected with a mounting plate 21, the bottom of the mounting plate 21 is fixedly connected with a plurality of pads 22, the front end and the rear end of the mounting plate 21 are provided with a plurality of evenly distributed positioning holes 23, the vertical center line of the bottom frame 1 coincides with the vertical center line of the mounting plate 21, the side plates 3 are symmetrical about the vertical center line of the bottom frame 1, the telescopic rods 2 are symmetrical about the horizontal center line of the side plates 3, and the plurality of pads 22 are symmetrical about the vertical center line of the mounting plate 21, the device can be placed on an external horizontal plane for support through the pads 22, the positioning holes 23, in combination with the use of external bolts, the mounting plate 21 can be fixed to the external horizontal plane, the installation of the device is completed, the stability of the bottom of the device is improved, and shaking when processing the pipeline is prevented.

[0035] See also Figure 1 , Figure 5 and Figure 6 In this embodiment, a plurality of connecting shafts 4 are rotatably connected to one of the side plates 3, and the plurality of connecting shafts 4 all penetrate the side plate 3, and a disc clamp 5 for clamping the pipe is fixedly connected to one end of the connecting shaft 4 close to the center of the bottom frame 1, and a plurality of gaskets 9 are fixedly connected to one side of the other side plate 3 close to the center of the bottom frame 1, and the positions of the plurality of gaskets 9 and the plurality of disc clamps 5 correspond one to one. The disc clamp 5 can be used to fix one end of the pipe to be processed, and the other end of the pipe can be fitted with the gasket 9 to ensure the stability of the pipe. At the same time, the setting of the gasket 9 can prevent wear between the end of the pipe and the side plate 3.

[0036] See also Figure 1 , Figure 4 , Figure 5 and Figure 6In this embodiment, a pulley 6 is fixedly connected to one end of the connecting shaft 4 away from the disc clamp 5, and the pulley 6 is coaxially arranged with the connecting shaft 4 opposite to it, and multiple pulleys 6 are connected by a transmission belt 7, the central axis of the disc clamp 5 coincides with the central axis of the corresponding connecting shaft 4, and multiple connecting shafts 4 are evenly distributed about the horizontal center line of the side plate 3, and the telescopic rod 2 and the side plate 3 are symmetrical about the vertical center line of the bottom frame 1. A motor 8 is arranged on one side of one of the pulleys 6, and the motor 8 is fixedly connected to the side plate 3, and the output end of the motor 8 is fixedly connected to one of the pulleys 6 A sanding belt 10 that can move up and down is provided on the top of the side plate 3. The device is provided with multiple disc clamps 5, which can fix multiple pipes at the same time. The motor 8 is started, and the transmission belt 7 is used to make multiple pulleys 6 rotate at the same time. The disc clamp 5 can be driven to rotate through the connecting shaft 4, and the pipe can be driven to rotate. The friction between the sanding belt 10 and the outer surface of the pipe can be used to remove rust on the outer surfaces of multiple pipes at the same time, thereby improving the efficiency of rust removal and enhancing the practicality of the device. At the same time, the setting of the gasket 9 can prevent wear between the end of the pipe and the side plate 3.

[0037] See also Figure 1-3 In this embodiment, both sides of the side plate 3 are fixedly connected with a support frame 11, the top of the support frame 11 is fixedly connected with a lifting rod 12, the top of the lifting rod 12 is fixedly connected with a connecting plate 13, and a winding roller 14 for winding the sanding belt 10 is arranged between the two connecting plates 13 on the same side. The lifting rod 12 on the support frame 11 can be used to adjust the height of the connecting plate 13 and the sanding belt 10, so as to facilitate contact with the outer surface of pipes of different calibers, thereby being able to remove rust on the outer surface of pipes of different calibers, thereby improving the applicability of the device.

[0038] See also Figure 1-7 In this embodiment, the winding roller 14 is connected to the connecting plate 13 by a round shaft 15, and locking rings 16 are threadedly connected at both ends of the round shaft 15. The round shaft 15 and the winding roller 14 are fixedly connected, and the round shaft 15 and the connecting plate 13 are rotatably connected. Tightening the locking ring 16 makes the locking ring 16 stick to the connecting plate 13, which can limit the rotation of the round shaft 15. The distance between the two side plates 3 can be adjusted by the telescopic rod 2, so that the device can be suitable for the assembly of pipes of different lengths. At the same time, the rotation of the round shaft 15 and the winding roller 14 can be used to wind the abrasive belt 10, which is convenient for adjusting the unfolded length of the abrasive belt 10. Tightening the locking ring 16 and cooperating with the use of the connecting plate 13 can fix the round shaft 15 and limit the rotation of the winding roller 14, so that the unfolded abrasive belt 10 can be flattened, so that the abrasive belt 10 of the device can be suitable for rust removal on pipes of different lengths, further improving the applicability of the device.

[0039] See also Figure 1-3 , Figure 6 and Figure 7 In this embodiment, the center of the gasket 9 is fixedly connected to an electric push rod 24, and the end of the electric push rod 24 is fixedly connected to a connecting platform 17. The horizontal center line of the connecting platform 17 coincides with the central axis of the electric push rod 24. A plurality of cylinders 18 are arranged on the outside of the connecting platform 17, and the ends of the cylinders 18 are fixedly connected to sand plates 19. The sand plates 19 can be moved to the outside of the connecting platform 17 by means of the cylinders 18, so that the sand plates 19 contact the inner wall of the pipe. Through the rotation of the pipe, the inner wall of the pipe and the outer surface of the sand plates 19 are rubbed, so that the inner and outer surfaces of the pipe are rust-removed at the same time, so that the rust removal of the pipe is more comprehensive, and the rust removal efficiency of the device is further improved.

[0040] See also Figure 6 In this embodiment, the central axis of the electric push rod 24 coincides with the horizontal center line of the gasket 9, and the multiple cylinders 18 are evenly distributed in a ring shape about the central axis of the electric push rod 24. The outer side of the sanding plate 19 is a curved surface structure. The electric push rod 24 can make the connecting platform 17 and the sanding plate 19 move horizontally, so that the sanding plate 19 can remove rust from different positions of the inner wall of the pipeline.

[0041] See also Figure 1-3 and Figure 8 In this embodiment, openings are provided at the top and front end of the bottom frame 1, and a collecting box 20 is provided on the front side of the bottom frame 1. The collecting box 20 is plugged into the bottom frame 1 through the opening, and a box opening is provided on the top of the collecting box 20. The fallen rust fragments can be collected through the collecting box 20 on the bottom frame 1, and the collecting box 20 can be pulled out of the bottom frame 1 to collect the rust fragments in the collecting box 20, so that the device can be cleaned up after the rust removal is completed.

[0042] Working principle: When using this device, first, the device can be placed on the external horizontal plane through the feet 22 to prop it up. By using the positioning holes 23 and the external bolts, the mounting plate 21 can be fixed to the external horizontal plane to complete the installation of the device, improve the stability of the bottom of the device, and prevent shaking when processing the pipeline. The disc clamp 5 can be used to fix one end of the pipeline to be processed, and the other end of the pipeline is fitted with the gasket 9, so that the electric push rod 24 and the connecting platform 17 are located inside the pipeline to ensure the stability of the pipeline.

[0043] The device is provided with a plurality of disc clamps 5, which can fix a plurality of pipes at the same time. By starting the motor 8 and cooperating with the use of the transmission belt 7, the plurality of pulleys 6 can rotate at the same time. The disc clamps 5 can be driven to rotate through the connecting shaft 4, and the pipe can be driven to rotate. By utilizing the friction between the sanding belt 10 and the outer surface of the pipe, the outer surfaces of the plurality of pipes can be derusted at the same time, thereby improving the efficiency of the derusting and enhancing the practicability of the device. At the same time, the provision of the gasket 9 can prevent wear between the end of the pipe and the side plate 3.

[0044] The distance between the two side plates 3 can be adjusted by the telescopic rod 2, so that the device can be suitable for the assembly of pipes of different lengths. At the same time, the sanding belt 10 can be rolled up by the rotation of the round shaft 15 and the winding roller 14, which is convenient for adjusting the unfolded length of the sanding belt 10. By tightening the locking ring 16 and cooperating with the use of the connecting plate 13, the round shaft 15 can be fixed to limit the rotation of the winding roller 14, so that the unfolded sanding belt 10 can be flattened, so that the sanding belt 10 of the device can be suitable for rust removal on pipes of different lengths, thereby improving the applicability of the device. The lifting rod 12 on the support frame 11 can be used to adjust the height of the connecting plate 13 and the sanding belt 10, so that they can contact the outer surface of pipes of different calibers, thereby removing rust on the outer surface of pipes of different calibers, further improving the applicability of the device.

[0045] The fallen rust fragments can be collected by the collecting box 20 on the bottom frame 1, and the collecting box 20 can be pulled out from the bottom frame 1 to collect the rust fragments in the collecting box 20, so that the device can be cleaned conveniently after the rust removal is completed.

[0046] The cylinder 18 can be used to move the sand plate 19 to the outside of the connecting platform 17 so that the sand plate 19 contacts the inner wall of the pipe. The inner wall of the pipe and the outer surface of the sand plate 19 are rubbed by the rotation of the pipe, so that the inner and outer surfaces of the pipe can be rusted at the same time, making the rust removal of the pipe more comprehensive and further improving the rust removal efficiency of the device.

[0047] The connecting platform 17 and the sand plate 19 can be moved horizontally by the electric push rod 24, so that the sand plate 19 can remove rust from different positions of the inner wall of the pipe, making the rust removal of the inner wall of the pipe more comprehensive. At the same time, the sand belt 10 and the sand plate 19 are low in cost, which makes the manufacturing cost of the device low.

[0048] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the scope of protection determined by the claims submitted for the present invention.

Claims

1. A surface treatment device for pipelines in power engineering construction, comprising a bottom frame (1), both sides of the bottom frame (1) are fixedly connected with telescopic rods (2), and the side of the telescopic rod (2) away from the bottom frame (1) is fixedly connected with a side plate (3), characterized in that: A plurality of connecting shafts (4) are rotatably connected to one of the side plates (3), and the plurality of connecting shafts (4) all penetrate the side plate (3); one end of the connecting shaft (4) close to the center of the bottom frame (1) is fixedly connected to a disc clamp (5) for clamping a pipe; one end of the connecting shaft (4) away from the disc clamp (5) is fixedly connected to a pulley (6), and the pulley (6) is coaxially arranged with the connecting shaft (4) opposite to it; the plurality of pulleys (6) are connected via a transmission belt (7); a motor (8) is arranged on one side of one of the pulleys (6); the motor (8) is fixedly connected to the side plate (3); the output end of the motor (8) is fixedly connected to one of the pulleys (6); a plurality of gaskets (9) are fixedly connected to one side of the other side plate (3) close to the center of the bottom frame (1); the plurality of gaskets (9) correspond to the positions of the plurality of disc clamps (5) one by one; and a sanding belt (10) that can move up and down is arranged on the top of the side plate (3).

2. The surface treatment device for pipelines in power engineering construction according to claim 1 is characterized in that: The center axis of the disk clamp (5) coincides with the center axis of its corresponding connecting shaft (4), a plurality of connecting shafts (4) are evenly distributed about the horizontal center line of the side plate (3), and the telescopic rod (2) and the side plate (3) are symmetrical about the vertical center line of the bottom frame (1).

3. The surface treatment device for pipelines in power engineering construction according to claim 2 is characterized in that: The two sides of the side plate (3) are fixedly connected to a support frame (11), the top of the support frame (11) is fixedly connected to a lifting rod (12), the top of the lifting rod (12) is fixedly connected to a connecting plate (13), and a winding roller (14) for winding the sanding belt (10) is arranged between the two connecting plates (13) on the same side.

4. The surface treatment device for pipelines in power engineering construction according to claim 3 is characterized by: The winding roller (14) and the connecting plate (13) are connected via a round shaft (15), and locking rings (16) are threadedly connected at both ends of the round shaft (15). The round shaft (15) and the winding roller (14) are fixedly connected, and the round shaft (15) and the connecting plate (13) are rotatably connected. The locking ring (16) is tightened so that the locking ring (16) and the connecting plate (13) are in contact with each other, thereby limiting the rotation of the round shaft (15).

5. The surface treatment device for pipelines in power engineering construction according to claim 4 is characterized in that: The center of the gasket (9) is fixedly connected to an electric push rod (24), the end of the electric push rod (24) is fixedly connected to a connecting platform (17), the horizontal center line of the connecting platform (17) coincides with the center axis of the electric push rod (24), a plurality of cylinders (18) are arranged on the outside of the connecting platform (17), and the ends of the cylinders (18) are fixedly connected to a sand plate (19).

6. The surface treatment device for pipelines in power engineering construction according to claim 5, characterized in that: The central axis of the electric push rod (24) coincides with the horizontal center line of the gasket (9), a plurality of cylinders (18) are evenly distributed in a ring shape about the central axis of the electric push rod (24), and the outer side of the sand plate (19) is a curved surface structure.

7. The surface treatment device for pipelines in power engineering construction according to any one of claims 1 to 6, characterized in that: The top and front end of the bottom frame (1) are both provided with openings, and a collection box (20) is provided on the front side of the bottom frame (1); the collection box (20) is plugged into the bottom frame (1) through the opening, and a box opening is provided on the top of the collection box (20).

8. The surface treatment device for pipelines in power engineering construction according to claim 7 is characterized by: The bottom of the bottom frame (1) is fixedly connected to a mounting plate (21), the bottom of the mounting plate (21) is fixedly connected to a plurality of feet (22), and the front and rear ends of the mounting plate (21) are both provided with a plurality of evenly distributed positioning holes (23).

9. The surface treatment device for pipelines in power engineering construction according to claim 8, characterized in that: The vertical center line of the bottom frame (1) coincides with the vertical center line of the mounting plate (21); the side plate (3) is symmetrical about the vertical center line of the bottom frame (1); the telescopic rod (2) is symmetrical about the horizontal center line of the side plate (3); and the plurality of pads (22) are symmetrical about the vertical center line of the mounting plate (21).

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