Pipeline glass steel protection layer construction device and construction method

Abstract

The application belongs to the technical field of pipeline protection during horizontal directional drilling crossing construction, and particularly relates to a pipeline glass fiber reinforced plastic protective layer construction device and a construction method. The pipeline glass fiber reinforced plastic protective layer construction device comprises a base, a sliding table, a sliding module, a roughening module for roughening the pipeline, a heating module for heating the pipeline, a rolling coating module for coating epoxy resin on the pipeline, and a winding module for winding glass fiber cloth on the pipeline. The application integrates the functions of heating, roughening, epoxy resin coating and glass fiber winding. After adjusting the roughening module, the automatic roughening and baking of the pipeline can be realized, after adjusting the rolling coating module, the automatic rolling coating of the pipeline can be realized, and the automatic winding of the glass fiber cloth on the pipeline can be realized through the winding module, so that the labor intensity of workers is reduced and the construction efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of pipeline protection technology for horizontal directional drilling crossing construction, and particularly relates to a pipeline fiberglass protective layer construction device and construction method. Background Technology

[0002] In the construction of long-distance oil and gas pipeline projects, quality control of the horizontal directional drilling crossing section is a crucial aspect. During pipeline pullback, complex geological conditions such as faulting, rock cuttings, and uneven geological surfaces may be encountered, which can severely scratch the 3PE anti-corrosion coating of the pipeline or even damage the base material. Once the 3PE anti-corrosion coating is damaged, it cannot be repaired and will bring potential operational risks and safety hazards to the pipeline after it is put into operation. To protect the 3PE anti-corrosion coating of the crossing pipeline, domestic long-distance pipeline design documents typically design the anti-corrosion structure of the directional drilling crossing section as "3PE + fiberglass protective layer," that is, fiberglass cloth is bonded to the outside of the 3PE anti-corrosion coating with epoxy resin primer, thereby achieving further protection for the pipeline.

[0003] To improve the adhesion strength between the 3PE external anti-corrosion layer and epoxy resin on the pipeline, the surface of the 3PE anti-corrosion layer needs to be cleaned, heated, and roughened before applying epoxy resin primer. Then, fiberglass cloth is bonded and wrapped onto the pipeline with epoxy resin. Currently, the construction process is mostly done manually. The anti-corrosion pipe is placed on a roller and rotated. A person holds a spray gun to heat the PE layer of the anti-corrosion pipe. Then, the heated area is roughened with a wire brush to remove surface dust. Finally, the epoxy primer is applied manually, and the fiberglass cloth is wrapped manually.

[0004] Therefore, existing technologies suffer from problems such as high labor intensity, low level of automation, difficulty in controlling construction quality, and long construction period. Summary of the Invention

[0005] To address the technical problems existing in the prior art, this application provides a pipeline fiberglass protective layer construction device that integrates pipeline heating, roughening, epoxy resin coating, and glass fiber winding functions, as well as a construction method using the construction device.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A pipe fiberglass protective layer construction device includes a base and a slide table that slides along the length of the base, and further includes:

[0008] A sliding module is mounted on the sliding platform;

[0009] The deburring module includes a deburring bracket disposed on a sliding member of the sliding module and a deburring roller disposed on the deburring bracket;

[0010] The heating module includes a grill handle disposed on a slider of the sliding module and a fuel bottle connected to the grill handle;

[0011] A roller coating module includes a roller coating frame disposed on the slide table, a roller coating box disposed on the roller coating frame, and a roller rotatably connected at the bottom opening of the roller coating box;

[0012] The winding module includes a winding frame and a coating box disposed on the slide table, and a guide assembly is disposed on the coating box.

[0013] Preferably, the sliding module includes a sliding frame fixedly connected to the sliding table, a sliding plate slidably mounted on the sliding frame, and a lead screw rotatably connected to the sliding frame and the sliding plate, wherein rotating the lead screw can drive the sliding plate to slide.

[0014] Preferably, a rotating handle is fixedly connected to the end of the lead screw on the outer side of the sliding frame.

[0015] Preferably, a mounting bracket is provided on the skateboard, and the grill handle is detachably and fixedly connected to the mounting bracket by a fastening component.

[0016] Preferably, the fastening assembly includes a fastening base plate, a limiting post provided on the fastening base plate, and a U-shaped fastening buckle that is detachably and fixedly embedded in the fastening base plate.

[0017] Preferably, the roller coating frame includes a fixed bracket fixedly connected to the slide table, a fastening screw vertically fixedly connected to the fixed bracket, a connecting bracket sleeved on the fastening screw, and an upper nut and a lower nut threadedly connected to the fastening screws above and below the connecting bracket, and the roller coating box is fixedly connected to the connecting bracket.

[0018] Preferably, a support plate is sleeved on the fastening screw between the connecting bracket and the lower nut, and a limiting block is provided on the support plate to limit the rotation of the connecting bracket.

[0019] Preferably, the winding module further includes a flow guiding component, which includes a flow guiding bracket disposed on the slide and a flow guiding disk disposed at an inclination on the flow guiding bracket.

[0020] Preferably, an adjusting screw is vertically fixedly embedded in the flow guide bracket, a flow guide connecting frame is sleeved on the adjusting screw, the flow guide connecting frame is hinged to the flow guide plate, and adjusting nuts are threadedly connected to the adjusting screws above and below the flow guide connecting frame.

[0021] A construction method using a pipe fiberglass protective layer construction device includes the following steps:

[0022] Step 1: Place the idler roller on one side of this construction device and place the pipe to be constructed on the idler roller along the length of the base;

[0023] Step 2: Adjust the slide table to one end of the pipe and adjust the sliding module so that the roughening rollers abut against the pipe, causing the pipe to rotate and the surface of the pipe to be baked by the heating module. Then slide the slide table to the other end of the pipe so that the pipe is roughened by the roughening rollers after baking.

[0024] Step 3: Turn off the heating module, make the roller abut against the pipe surface, add epoxy resin into the roller coating box, and slide the slide table from one end of the pipe to the other end so that the roller coats the pipe surface with epoxy resin.

[0025] Step 4: Place the rolled fiberglass cloth on the winding frame, add epoxy resin to the coating box, and wind one end of the fiberglass cloth onto the pipe through the coating box. Then, slide the slide table from one end of the pipe to the other end so that the fiberglass cloth is wound on the surface of the pipe.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] This invention integrates automated roughening, baking, epoxy resin roller coating, and fiberglass cloth winding functions by setting up a sliding table, sliding module, roughening module, heating module, roller coating module, and winding module. Compared with manual heating, grinding, and brushing processes, it has the following advantages: (1) The heating temperature is uniform on the heated surface, and cross roughening can achieve full coverage of the protective layer; (2) The amount of epoxy coating can be reasonably controlled, and excess coating is easy to recycle; (3) The labor intensity of workers is reduced, and the construction efficiency is improved. In addition, this construction device also has the characteristics of simple operation, easy relocation of equipment, and simple installation. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0029] Figure 2 This is a partial structural diagram of the present invention after the winding module has been removed.

[0030] Figure 3 This is a first-view structural schematic diagram of the sliding module, the roughening module, and the heating module of the present invention.

[0031] Figure 4 This is a second-view structural diagram of the sliding module, roughening module, and heating module of the invention.

[0032] Figure 5 This is a third-view structural diagram of the sliding module, roughening module, and heating module of the invention.

[0033] Figure 6This is a schematic diagram of the fastening assembly of the present invention.

[0034] Figure 7 This is a schematic diagram of the structure of the roller coating module of the present invention.

[0035] Figure 8 This is a schematic diagram of the connection structure of the roller coating box and roller of the present invention.

[0036] Figure 9 This is a schematic diagram of the structure of the winding module of the present invention after it is installed into a roll of glass fiber cloth.

[0037] Figure 10 This is a schematic diagram of the winding module of the present invention.

[0038] Figure 11 This is a schematic diagram of the flow guiding component of the present invention.

[0039] Figure 12 This is a structural diagram of the present invention during pipeline construction.

[0040] In the diagram, 1 is the base, 11 is the slide groove, 12 is the rack, 2 is the slide table, 21 is the roller, and 22 is the motor.

[0041] 3. Sliding module; 31. Sliding frame; 32. Slide plate; 321. First mounting bracket; 322. Second mounting bracket; 323. Third mounting bracket; 33. Lead screw; 34. Rotating handle.

[0042] 4. Surface roughening module; 41. Surface roughening support; 42. Surface roughening rollers.

[0043] 5. Heating module; 51. Grill handle; 52. Fastening assembly; 521. Fastening base plate; 522. Limiting post; 523. Limiting groove; 524. Fastening latch; 525. Fastening nut.

[0044] 6. Roller coating module; 61. Roller coating box; 611. Roller coating box opening; 62. Roller; 63. Fixed bracket; 64. Fastening screw; 65. Connecting bracket; 66. Upper nut; 67. Lower nut; 68. Support plate; 69. Limit block.

[0045] 7. Winding module; 71. Winding frame; 72. Paint tank; 73. First guide group; 74. Second guide group; 75. Third guide group; 76. Flow guiding assembly; 761. Flow guiding bracket; 762. Flow guiding disc; 7621. Flow guiding disc opening; 763. Adjusting screw; 764. Flow guiding connecting frame; 765. Adjusting nut; 77. Fourth guide group

[0046] 8. Pipes; 81. Idler rollers; 9. Fiberglass cloth. Detailed Implementation

[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0048] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. Example:

[0049] See Figure 1 , 2 As shown, a pipe fiberglass protective layer construction device includes a base 1 and a slide 2 that slides along the length of the base 1. The slide 2 can slide back and forth on the base 1 in various forms. In this embodiment, grooves 11 are provided on both end faces of the base 1, and rollers 21 are installed on the lower end face of the slide 2, rolling within the grooves 11. A rack 12 is installed on one end face of the base 1 along its length, and a motor 22 is installed on the slide 2. A gear (not shown in the figure) is keyed to the output shaft of the motor 22, and the gear meshes with the rack 12. Thus, driven by the motor 22, the slide 2 can reciprocate along the length of the base 1.

[0050] This construction device also includes a sliding module 3, a roughening module 4, a heating module 5, a roller coating module 6, and a winding module 7. The sliding module 3 is fixedly connected to the slide table 2. The roughening module 4 and the heating module 5 are both set on the sliding module 3, and their functions are respectively to grind and roughen the pipe 8 to remove dust from the surface of the pipe 8 and improve the bonding strength with the epoxy resin, and to heat and bake the pipe. The roller coating module 6 is set on one side of the sliding module 3 and is used to roller coat the surface of the pipe 8 with epoxy resin. The winding module 7 is set on the other side of the roller coating module 6 and is used to wrap the fiberglass cloth 9 around the surface of the pipe 8.

[0051] See Figure 3 , 4As shown in Figure 5, the sliding module 3 can be an existing screw drive mechanism. Specifically, it includes a sliding frame 31 bolted or welded to the slide table 2, a sliding plate 32 slidably mounted on the sliding frame via a slide rail slider structure, and a screw 33 rotatably connected to the sliding frame 31 and the sliding plate 32. Rotating the screw 33 can drive the sliding plate 32 to slide. Furthermore, to facilitate adjusting the relative position of the sliding plate 32 by rotating the screw 33, a rotating handle 34 is fixedly connected to the end of the screw 33 on the outside of the sliding frame 31. In this embodiment, the sliding component of the sliding module 3 is the sliding plate 32.

[0052] The roughening module 4 includes a roughening bracket 41 welded to a slide plate 32 near one end of the pipe 8. The roughening bracket 41 has an inverted U-shaped structure, and a roughening roller 42 is provided on the inner side of the roughening bracket 41. The roughening roller 42 is rotatably connected to the roughening bracket 41, but in order to improve the roughening and polishing effect of the roughening roller 42 on the pipe surface, the roughening roller 42 is welded to the roughening bracket 41 without rotation. A wire brush structure is provided on the roughening roller 42.

[0053] A mounting bracket is provided on the slide plate 32. The mounting bracket includes a first mounting bracket 321 welded to the upper end face of the slide plate 32 and having an L-shaped cross-section, a second mounting bracket 322 welded to the horizontal end face of the first mounting bracket 321 and vertically arranged, and a third mounting bracket 323 welded to the first mounting bracket 321 and the second mounting bracket 322 respectively. The third mounting bracket 323 has an L-shaped cross-section and is welded to the first mounting bracket 321 and the second mounting bracket 322. The third mounting bracket 323 is inclined and its upper end face is flush.

[0054] The heating module 5 includes a grill handle 51 mounted on a slide plate 32 and a fuel bottle (not shown in the figure) connected to the grill handle 51. Specifically, the grill handle 51 is provided in two sets (two handles in each set) and is detachably fixed to the third mounting bracket 323 by fastening components 52.

[0055] See Figure 6 As shown, specifically, the fastening assembly 52 includes a fastening base plate 521, four limiting posts 522 integrally formed on the fastening base plate 521, and an arc-shaped limiting groove 523 formed between every two limiting posts 522 for placing the grill handle 51. Two connecting through holes are provided on the fastening base plate 521, and the two ends of the U-shaped fastening buckle 524 pass downward through the connecting through holes and extend to the bottom of the fastening base plate 521. When the grill handle 51 is inserted into the limiting groove 523 and the fastening buckle 524, the two ends of the fastening buckle 524 below the fastening base plate 521 are threaded with fastening nuts 525, and the grill handle 51 is fixed by tightening the fastening nuts 525.

[0056] See Figure 7As shown, the roller coating module 6 includes a roller coating frame welded to the slide table 2, a roller coating box 61 mounted on the roller coating frame 61, and a roller 62 rotatably connected to the bottom opening of the roller coating box 61. When the roller 63 comes into contact with the surface of the pipe 8, it rotates with the pipe 8, thereby applying the epoxy resin in the roller coating box 62 to the surface of the pipe 8 through its bottom opening and the roller 63.

[0057] Furthermore, to facilitate adjustment of the height and coating direction of the coating box 62 and the roller 63,

[0058] The roller coating frame includes a fixed bracket 63 welded to the slide table 2. The fixed bracket 63 is a hollow, vertically arranged frame structure. A fastening screw 64 is vertically fixed to the fixed bracket 63 near the pipe 8. A connecting bracket 65 is rotatably sleeved on the fastening screw 64. An upper nut 66 and a lower nut 67 are threaded onto the fastening screw 64 above and below the connecting bracket 65, respectively. The roller coating box 61 is welded to the connecting bracket 65. Thus, by adjusting and locking the relative positions of the upper nut 66 and the lower nut 67 on the fastening screw 64, the height and rotation angle of the roller coating box 61 can be adjusted and fixed.

[0059] Furthermore, to enhance the locking strength of the connecting bracket 65 and facilitate adjustment of its horizontal angle, a support plate 68 is rotatably fitted onto the fastening screw 64 between the connecting bracket 65 and the lower nut 67. Two limiting blocks 69 are provided on the support plate 68 to limit the rotation of the connecting bracket 65, meaning the connecting bracket 65 is engaged between the two limiting blocks 69. Thus, when the upper nut 66 is not tightened, the connecting bracket 65 can be moved, causing the coating box 61 and the support plate 68 to rotate around the fastening screw 64. When the upper nut 66 is tightened, the height and horizontal angle of the connecting bracket 65 are fixed.

[0060] See Figure 8 As shown, the bottom of the roller coating box 61 is a sloping structure and has a roller coating box opening 611 at its bottom. The roller 62 is rotatably connected to the two end faces of the roller coating box 61 below the roller coating box opening 611.

[0061] See Figure 9 , 10 As shown, the winding module 7 includes a winding frame 71 welded to the slide table 2 and a coating box 72. A guide assembly is provided on the coating box 72 to limit and guide the fiberglass cloth 9. The rolled fiberglass cloth 9 is rotatably connected to the winding frame 71 so that the fiberglass cloth 9 can be wound onto the pipe 8 via the coating box 72.

[0062] Specifically, the guiding assembly includes a first guide group 73 disposed on the upper surface of the paint tank 72 near the winding frame 71, a second guide group 74 disposed on the lower side wall of the paint tank 72, and a third guide group 75 disposed on the upper surface of the paint tank 72 away from the winding frame 71. The first guide group 73 and the third guide group 75 each have two guide rods arranged parallel to each other vertically, while the second guide group 74 has a single guide rod.

[0063] To prevent epoxy polyester liquid from dripping from the fiberglass cloth 9 drawn from the paint tank 72 onto the outside of the paint tank 72, thus wasting epoxy polyester, in this embodiment, the winding module 7 also includes a flow guiding component 76. The flow guiding component 76 includes a flow guiding bracket 761 welded to the slide 2 on the outside of the third guide group 75, and a flow guiding disk 762 inclinedly arranged on the flow guiding bracket 761. The flow guiding disk 762 has a flow guiding disk opening 7621 at the bottom. The epoxy resin that falls into the flow guiding disk 762 falls back into the paint tank 72 through the flow guiding disk opening 7621.

[0064] See Figure 11 As shown, an adjusting screw 763 is vertically fixedly embedded in the flow guide bracket 761. A flow guide connecting frame 764 is sleeved on the adjusting screw 763, and the flow guide connecting frame 764 is hinged to the flow guide plate 762. Adjusting nuts 765 are threadedly connected to the adjusting screws 763 above and below the flow guide connecting frame 764. The tilt angle of the flow guide plate 762 can be adjusted and locked by adjusting the relative position of the adjusting nuts 765 on the adjusting screws 763.

[0065] In addition, a fourth guide group 77 is provided on the guide plate 762, and the fourth guide group 77 is a single guide rod. Fiberglass cloth 9 is sequentially threaded between the first guide groups 73, below the second guide group 74, between the third guide groups 75, and below the fourth guide group 77.

[0066] See Figure 12 As shown, a construction method using the above-mentioned pipe fiberglass protective layer construction device includes the following steps:

[0067] Step 1: Place the idler roller 81 on one side of the construction device and place the pipe 8 to be constructed on the idler roller 81 along the length of the base 1 so that the pipe 8 rotates along its axis under the drive of the idler roller 81;

[0068] Step 2: The motor 22 drives the slide table 2 to slide on the base 1, and the slide table 2 is adjusted to one end of the pipe 8. The handle 34 is turned to drive the lead screw 33 to rotate, thereby adjusting the slide plate 32 of the sliding module 3 so that the roughening roller 42 abuts against the pipe 8. The pipe 8 is rotated and the surface of the pipe 8 is baked by the baking handle 51 of the heating module 5. During the baking process of the pipe 8, the motor 22 drives the slide table 2 to slide to the other end of the pipe 8 so that the surface of the pipe 8 is roughened by the roughening roller 42 after baking. In order to achieve cross roughening, the motor 22 can drive the slide table 2 again to slide to the initial roughening end of the pipe 8. During this process, the pipe 8 is still baked and roughened.

[0069] Step 3: Turn off the heating module. Adjust the position of the upper nut 66 and lower nut 67 on the fastening screw 64 to adjust the height of the roller coating box 61, connecting bracket 65, and support plate 68 so that the roller 62 abuts against the surface of the pipe 8. Adjust the angle of the roller 62 relative to the pipe 8 by rotating the connecting bracket 65 so that the axis of the roller 62 is parallel to or at a certain angle to the axis of the pipe 8, so that the roller 62 rotates when the pipe 8 rotates. After the above adjustments are completed, tighten the upper nut 66 and lower nut 67 to fix the height and angle of the roller coating box 61. Add epoxy resin into the roller coating box 61. Drive the slide table 2 to slide on the base 1 through the motor 22. Adjust the slide table 2 to one end of the pipe 8. When the roller 62 rotates, the epoxy resin in the roller coating box 61 flows out from the opening 611 of the roller coating box and is roller coated on the surface of the pipe 8. Move the slide table 2 from one end of the pipe 8 to the other end so that the roller 62 coats the entire surface of the pipe 8 with epoxy resin.

[0070] Step 4: Loosen the upper nut 66 and the lower nut 67 and rotate the connecting bracket 65 to move the roller coating box 61 to the initial position, and move the slide table 2 to one end of the pipe 8; place the rolled glass fiber cloth 9 on the winding frame 71 and rotate on the winding frame 71; add epoxy resin into the coating box 72, and let one end of the glass fiber cloth 9 pass through the coating box 72 and be wound on the pipe 8 under the action of the guide component and the flow guiding component 76, so that the slide table 2 slides from one end of the pipe 8 to the other end, so that the glass fiber cloth 9 is wound on the entire surface of the pipe 8.

[0071] In the above process, in order to improve the automation level of the entire construction device, a controller (not shown in the figure) is required. The controller can control the rotation of motor 22 to drive the slide table 2 to move. The controller can also control the ignition and shutdown process of heating module 5. The controller can control roller 81 to drive pipe 8 to rotate. The connection relationship and control logic between the controller and its control components are for automated operation to improve production efficiency. The relevant operation control is existing technology. As long as it can meet the above work process, it is sufficient and will not be described in detail here.

[0072] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pipe fiberglass protective layer construction device, comprising a base and a sliding table that slides along the length of the base, characterized in that: It also includes, A sliding module is disposed on the sliding platform; the sliding module includes a sliding frame fixedly connected to the sliding platform, a sliding plate slidably mounted on the sliding frame, and a lead screw rotatably connected to the sliding frame and the sliding plate, wherein rotating the lead screw can drive the sliding plate to slide. The deburring module includes a deburring bracket disposed on a sliding member of the sliding module and a deburring roller disposed on the deburring bracket; The heating module includes a grill handle disposed on a slider of the sliding module and a fuel bottle connected to the grill handle; A roller coating module includes a roller coating frame mounted on a slide table, a roller coating box mounted on the roller coating frame, and a roller rotatably connected to the bottom opening of the roller coating box. The roller coating frame includes a fixed bracket fixedly connected to the slide table, a fastening screw vertically fixedly connected to the fixed bracket, a connecting bracket sleeved on the fastening screw, and an upper nut and a lower nut threadedly connected to the fastening screws above and below the connecting bracket, respectively. The roller coating box is fixedly connected to the connecting bracket. A support plate is sleeved on the fastening screw between the connecting bracket and the lower nut, and a limiting block is provided on the support plate to limit the rotation of the connecting bracket. The winding module includes a winding frame and a paint tank disposed on the slide table, and a guide component is disposed on the paint tank; the winding module also includes a flow guiding component, which includes a flow guiding bracket disposed on the slide table and a flow guiding disk disposed at an inclination on the flow guiding bracket.

2. The pipe fiberglass protective layer construction device according to claim 1, characterized in that: A rotating handle is fixedly connected to the end of the lead screw on the outside of the sliding frame.

3. The pipe fiberglass protective layer construction device according to claim 1, characterized in that: A mounting bracket is provided on the skateboard, and the grill handle is detachably and fixedly connected to the mounting bracket by a fastening assembly.

4. The pipe fiberglass protective layer construction device according to claim 3, characterized in that: The fastening assembly includes a fastening base plate, a limiting post provided on the fastening base plate, and a U-shaped fastening lock that can be detachably and fixedly embedded in the fixed base plate.

5. The pipe fiberglass protective layer construction device according to claim 1, characterized in that: An adjusting screw is vertically fixedly embedded in the flow guide bracket, and a flow guide connecting frame is sleeved on the adjusting screw. The flow guide connecting frame is hinged to the flow guide plate, and adjusting nuts are threadedly connected to the adjusting screws above and below the flow guide connecting frame.

6. A construction method using the fiberglass protective layer construction device for pipelines as described in claim 1, characterized in that: The steps include: Step 1: Place the idler roller on one side of the construction device and place the pipe to be constructed on the idler roller along the length of the base; Step 2: Adjust the slide table to one end of the pipe and adjust the sliding module so that the roughening rollers abut against the pipe, causing the pipe to rotate and the surface of the pipe to be baked by the heating module. Then slide the slide table to the other end of the pipe so that the pipe is roughened by the roughening rollers after baking. Step 3: Turn off the heating module, make the roller abut against the pipe surface, add epoxy resin into the roller coating box, and slide the slide table from one end of the pipe to the other end so that the roller coats the pipe surface with epoxy resin. Step 4: Place the rolled fiberglass cloth on the winding frame, add epoxy resin to the coating box, and wind one end of the fiberglass cloth onto the pipe through the coating box. Then, slide the slide table from one end of the pipe to the other end so that the fiberglass cloth is wound on the surface of the pipe.

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