Composite material winding mechanism

Abstract

The present invention discloses a composite material winding mechanism, including a motion mechanism, a winding mechanism, a tensioning mechanism, and a pressing mechanism. When the pipeline is repaired without stopping oil transportation, the sprocket motor provides power, so that the winding mechanism installed in the frame can rotate around the pipeline, thereby completing the winding of the composite material on the outer wall of the oil pipeline. This device can select different composite materials according to actual conditions for composite material winding repair, thereby realizing winding repair of composite materials of different materials, different widths, and different thicknesses, and meeting the requirements of different defect repair standards. In addition, this device can also design the roller deflection angle according to winding requirements such as the width of the composite material and the overlapping length at the junction of the winding belt to ensure that the composite material is wound smoothly; and can realize the function of adjusting the tension force according to the tension force requirements of different composite materials.

Description

Technical Field

[0001] The present invention relates to the technical field of oil and gas pipeline repair, in particular to a composite material winding mechanism. Background Art

[0002] With the continuous development of the economy, the demand for oil and gas resources has increased, which has put higher requirements on the transportation of oil and gas resources. Pipeline transportation has the characteristics of good timeliness, safety, reliability, and low cost. It can achieve long-term and stable transportation and has become the mainstream method of oil and gas transportation. However, as the use time increases, oil and gas transmission pipelines will suffer from minor or serious damage under the influence of the external environment and their own service life. At present, the composite winding mechanism has become an indispensable and important technical equipment for the repair of submarine oil and gas pipelines. It has been valued and applied by major maritime powers in the world. Many scientific research results have been applied to actual oil and gas pipeline repair projects, achieving considerable economic and social benefits. The composite winding mechanism repairs submarine pipelines by winding composite materials. Compared with the existing composite winding machine, the composite winding mechanism changes the long-standing backward manual operation method and can effectively improve the efficiency of composite winding.

[0003] Currently used composite materials still require manual winding, requiring a large number of installers on-site and requiring high-level skills. This leads to high labor costs, high labor intensity, poor safety, high rework rates, slow repairs, and, most importantly, difficulty ensuring winding quality. Manual winding of composite materials is difficult for submarine pipeline repairs, and when performed with a robotic arm, remote control can introduce errors, leading to winding failures, low efficiency, and other issues. Summary of the Invention

[0004] The purpose of the present invention is to provide a composite material winding mechanism to solve the problems existing in the above-mentioned prior art, and to complete the winding of the composite material on the outer wall of the pipeline without stopping the oil transportation during the repair of the pipeline.

[0005] To achieve the above object, the present invention provides the following solutions: The present invention provides a composite material winding mechanism, comprising

[0006] A motion mechanism, comprising a frame, a roller support beam and a sprocket motor, wherein the frame is mounted on the outer diameter of the pipe and a lifting ring is mounted on the frame; two roller support beams are respectively provided on the left and right sides of the frame, and the two roller support beams located on the same side of the frame are respectively an active beam and a passive beam, and a rubber roller is installed on the inner side of the passive beam, and the rubber roller is used to contact the surface of the pipe; a rolling drive shaft and a sprocket motor are provided on the active beam, and the sprocket motor is mounted on the active beam through a motor fixing base, and the sprocket motor drives the rolling drive shaft to move through a chain transmission, thereby driving the rubber roller to move and realize the rotation of the frame; and

[0007] The winding mechanism includes a winding shaft, a winding wheel, a composite material storage barrel mechanical interface, a guide wheel and a wrench-type fixed handle. The winding wheel installed on the winding shaft is installed with the composite material storage barrel required for winding pipe repair through the composite material storage barrel mechanical interface; both ends of the winding shaft pass through the reserved holes of the frame, and the wrench-type fixed handle is connected to the winding shaft on the outside of the frame; the guide wheel is installed on another winding shaft located next to the winding shaft where the winding wheel is located, and the winding wheel and the winding shaft are provided with an inclination angle according to the winding requirements; and

[0008] A tensioning mechanism, the tensioning mechanism being used to adjust the tensioning force of the composite material on the winding shaft; and

[0009] The pressing mechanism is used to press the composite material into contact with the pipe to be repaired.

[0010] Preferably, the frame includes a first clamp and a second clamp of the same structure, and the first clamp and the second clamp are connected by a roller support beam; the first clamp includes a left-side first clamp and a right-side first clamp that are symmetrically split, the first end of the left-side first clamp is hinged to the first end of the right-side first clamp, and the second end of the left-side first clamp is connected to the second end of the right-side first clamp by a locking mechanism; the lifting ring is provided at the hinge between the first end of the left-side first clamp and the first end of the right-side first clamp; the frame is lifted above the pipeline by the lifting ring, and the locking mechanism is used to install the frame on the outer diameter of the pipeline.

[0011] Preferably, a positioning groove wheel and a positioning outer cam are respectively provided at the second end of the left first clamp and the second end of the right first clamp, and the positioning groove wheel and the positioning outer cam match and are used for closing and positioning.

[0012] Preferably, a roller fork shaft chamber, a roller fork and a compression spring are installed on the inner side of the passive crossbeam, the roller fork shaft chamber is provided at the lower inner side of the passive crossbeam, the roller fork is cooperatedly installed in the roller fork shaft chamber, the outer ring of the roller fork is provided with the compression spring, and the end of the roller fork is installed with the rubber roller; the rubber roller is used to contact the surface of the pipeline to realize the coaxial relative rotation operation of the frame and the pipeline to be repaired.

[0013] Preferably, the active crossbeam further includes a driven sprocket and a driving sprocket, the driving sprocket is mounted on the output shaft of the sprocket motor, the driven sprocket is mounted on the rolling drive shaft arranged on one side of the active crossbeam, and the driving sprocket and the driven sprocket are connected by a chain transmission.

[0014] Preferably, the tensioning mechanism includes a winding wheel side brake, a screw motor, a linear motor base and a trapezoidal screw. The screw motor is fixed to the frame through the linear motor base, and the screw motor is in contact with the winding wheel side brake through the trapezoidal screw; the rotational motion of the screw motor is converted into linear reciprocating motion through the trapezoidal screw. During the winding process, the trapezoidal screw and the winding wheel side brake contact each other to generate a force. By controlling the forward and backward movement of the trapezoidal screw, the friction force on the winding wheel side brake is increased or decreased, thereby adjusting the tension of the composite material wrapped around the pipe.

[0015] Preferably, the clamping mechanism includes a screw motor, a motor fixing plate, a film rolling pressure plate, a trapezoidal screw and a film rolling pressure strip, and the screw motor is fixed to the roller support beam through the motor fixing plate; the screw motor is connected to the film rolling pressure strip through the trapezoidal screw, and the trapezoidal screw is used to realize the reciprocating motion of the film rolling pressure strip.

[0016] Compared with the prior art, the present invention has achieved the following beneficial technical effects:

[0017] The composite material winding mechanism disclosed herein comprises a motion mechanism, a winding mechanism, a tensioning mechanism, and a pressing mechanism. Powered by a sprocket motor, the winding mechanism, mounted within a frame, can rotate around the pipeline without stopping oil flow during repairs. This allows the composite material to be wound around the outer wall of the oil pipeline. This device can select different composite materials for composite winding repair based on actual conditions, enabling the winding repair of composite materials of varying materials, widths, and thicknesses to meet the requirements of various defect repair standards.

[0018] Furthermore, the device can design roller deflection angles based on winding requirements, such as composite material width and the overlap length at the intersection of the wrapping strips, to ensure smooth composite winding. The tension can be adjusted by controlling the motor to meet the different composite material tension requirements. The device's pressing mechanism ensures contact and compression between the composite material and the pipe being repaired, ensuring a precise and effective compression force. This is achieved by controlling the motor based on the desired compression force, resulting in a simple structure and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a three-dimensional view of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 3 It is a three-dimensional diagram of the structure of the device of the present invention;

[0023] Figure 4 Schematic diagram of the pressing mechanism of the present invention;

[0024] In the figure: 1—movement mechanism, 1-1—lifting ring, 1-2—sprocket motor, 1-3—motor fixing base, 1-4—positioning groove wheel, 1-5—positioning external cam, 1-6—roller support beam, 1-7—roller fork shaft chamber, 1-8—compression spring, 1-9—roller fork, 1-10—rubber roller, 1-11—rolling drive shaft, 1-12—driven sprocket, 1-13—driving sprocket, 1-14—frame, 2—winding mechanism, 2-1—winding and releasing Shaft, 2-2—winding and unwinding wheel, 2-3—mechanical interface of composite material storage cylinder, 2-4—guide wheel, 2-5—wrench-type fixing handle, 3—tensioning mechanism, 3-1—winding and unwinding wheel side brake, 3-2—screw motor, 3-3—linear motor base, 3-4—trapezoidal screw, 4—pipe, 5—sticking mechanism, 5-1—screw motor, 5-2—motor fixing plate, 5-3—film rolling clamping plate, 5-4—trapezoidal screw, 5-5—film rolling clamping strip, 6—locking mechanism. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The purpose of the present invention is to provide a composite material winding mechanism to solve the problems existing in the above-mentioned prior art, and to complete the winding of the composite material on the outer wall of the pipeline without stopping the oil transportation during the repair of the pipeline.

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] like Figures 1-4 As shown, the present invention provides a composite material winding mechanism, which mainly includes a motion mechanism 1, a winding mechanism 2, a tensioning mechanism 3, a pressing mechanism 5 and a locking mechanism 6.

[0029] like Figure 1-3 As shown, the motion mechanism 1 primarily comprises a lifting ring 1-1, a sprocket motor 1-2, a motor mounting base 1-3, a positioning groove wheel 1-4, a positioning external cam 1-5, a roller support beam 1-6, a roller fork shaft chamber 1-7, a compression spring 1-8, a roller fork 1-9, a rubber roller 1-10, a rolling drive shaft 1-11, a driven sprocket 1-12, a driving sprocket 1-13, and a frame 1-14. The frame 1-14 is bisymmetrically split, with one end hinged and provided with a lifting ring 1-1, and the other end with a locking mechanism 6. The frame 1-14 is hoisted above the pipe 4 via the lifting ring 1-1 and mounted on the outer diameter of the pipe 4 using the locking mechanism 6. This replaces the long-standing, outdated manual installation method and effectively improves the efficiency of composite winding. The positioning groove wheel 1-4 and positioning external cam 1-5 provided on the locking mechanism 6 facilitate closing and positioning.

[0030] The frame 1-14 has two roller-supporting beams 1-6 on each side, one active beam and one passive beam. The passive beam houses a roller fork shaft chamber 1-7, a roller fork 1-9, a compression spring 1-8, and a rubber roller 1-10. The roller fork shaft chamber 1-7 is mounted below the beam, mating with the roller fork 1-9. A compression spring 1-8 is mounted on the outer ring, and the rubber roller 1-10 is connected to the roller fork 1-9. The rubber roller 1-10 contacts the surface of the pipe 4, enabling coaxial relative rotation between the frame 1-14 and the pipe 4 to be repaired. The compression spring 1-8 above the roller acts as a telescopic protection, ensuring close contact between the rubber roller 1-10 and the outer wall of the pipe 4. The active beam also includes a rolling drive shaft 1-11, a driven sprocket 1-12, a motor mounting base 1-3, a driving sprocket 1-13, and a sprocket motor 1-2. The sprocket motor 1-2 drives the rolling drive shaft 1-11 through a chain transmission, thereby driving the rubber roller 1-10 to move, thereby realizing the rotation of the frame 1-14. The winding mechanism 2, the tensioning mechanism 3, the pressing mechanism 5 and the locking mechanism 6 are all connected to the frame 1-14 and move with the frame 1-14.

[0031] like Figure 3 As shown, the winding mechanism 2 primarily comprises a winding shaft 2-1, a winding wheel 2-2, a composite material storage drum mechanical interface 2-3, a guide wheel 2-4, and a wrench-type fixing handle 2-5. The winding wheel 2-2 is attached to the composite material storage drum required for pipe repair through the composite material storage drum mechanical interface 2-3. One side of the winding wheel 2-2 is connected to the winding wheel side brake 3-1, and the winding wheel 2-2 is mounted on the winding shaft 2-1. The winding shaft 2-1 passes through a pre-recorded hole in the frame. The wrench-type fixing handle 2-5 connects to the winding shaft 2-1 outside the frame 1-14, connecting the winding shaft 2-1 to the frame 1-14. The guide wheel 2-4 is mounted on another winding shaft 2-1 located below the winding wheel 2-2. The winding wheel 2-2 and the winding shaft 2-1 are tilted at a certain angle according to the winding requirements to ensure overlapping winding of the composite material. The composite material is pressed against the pipe via the guide wheel 2-4 using the pressing mechanism 5. The winding of the composite material can be achieved by the tilt angle and the movement of the rack 1-14. The winding process of the composite material can be regarded as a spiral movement of the composite material along the axial direction of the pipe.

[0032] like Figure 3As shown, the tensioning mechanism 3 mainly includes a winding wheel side brake 3-1, a screw motor 3-2, a linear motor base 3-3 and a trapezoidal screw 3-4. The screw motor 3-2 is fixed to the frame 1-14 through the linear motor base 3-3, and contacts the winding wheel side brake 3-1 through the trapezoidal screw 3-4. The rotational motion of the screw motor 3-2 is converted into linear reciprocating motion through the trapezoidal screw 3-4. During the winding process, the composite material requires a certain tensioning force to be firmly wound on the pipe. The trapezoidal screw 3-4 and the winding wheel side brake 3-1 are in contact with each other to generate a force. By controlling the forward and backward movement of the trapezoidal screw 3-4, the tensioning force required for the composite material winding is provided, and the friction force on the winding wheel side brake 3-1 is increased or decreased, thereby adjusting the tension of the composite material wrapped on the pipe 4. The function of adjusting the tensioning force can be achieved by controlling the motor according to the tensioning force requirements of different composite materials. The structure is simple and the operation is easy.

[0033] like Figure 4 As shown, the pressing mechanism 5 primarily comprises a screw motor 5-1, a motor fixing plate 5-2, a film pressing plate 5-3, a trapezoidal screw 5-4, and a film pressing strip 5-5. The screw motor 5-1 is fixed to the roller support beam 1-6 via the motor fixing plate 5-2. The screw motor 5-1 is connected to the film pressing strip 5-5 via the trapezoidal screw 5-4. The trapezoidal screw 5-4 is used to achieve reciprocating motion of the film pressing strip 5-5. The pressing mechanism 5 is used to press the composite material into contact with the pipe to be repaired, ensuring a sufficient pressing force. Controlled by a motor, the pressing mechanism has a simple structure and is easily accessible for subsequent structural maintenance.

[0034] The following describes the working steps of this embodiment with reference to the accompanying drawings:

[0035] Before starting, select composite materials of varying materials, widths, and thicknesses based on the damage to the pipe 4 to be repaired. Based on the repair needs, determine winding requirements, such as the overlap length at the intersection of the wrapping strips. Design the roller deflection angle to determine the required composite repair length. Pre-install the composite storage drum onto the winding and release wheel 2-2 and winding and release shaft 2-1 via the composite storage drum mechanical interface 2-3.

[0036] The entire device is hoisted above the pipe 4 to be repaired with the assistance of a frogman or a track, and the entire device is lowered by gravity and installed on the outer diameter of the pipe 4 by means of a locking mechanism 6. Asphalt is applied to the beginning of the composite material to increase its adhesion to the pipe, and it is adhered to the pipe 4 with the help of a clamping mechanism 5 through a guide wheel 2-4. The sprocket motor 1-2 drives the rolling drive shaft 1-11 to move through a chain transmission, thereby driving the rubber roller 1-10 to move, and realizing the rotation of the frame 1-14. The rotation and deflection design of the frame 1-14 enables the overall winding mechanism to perform a rotary motion while performing an axial motion along the pipe, completing the automatic winding of the pipe composite material. During the winding process, the composite material requires a certain amount of tension to be firmly wound around the pipe. The rotational motion of the screw motor 3-2 is converted into a linear reciprocating motion through the trapezoidal screw 3-4. The trapezoidal screw 3-4 and the winding wheel side brake 3-1 contact each other to generate a force. By controlling the forward and backward movement of the trapezoidal screw 3-4, the friction force on the winding wheel side brake 3-1 is increased or decreased, thereby adjusting the tension of the composite material wound on the pipe 4. After the composite material is wound, the end of the composite material is pressed against the pipe 4 by the pressing mechanism 5.

[0037] After the winding work is completed, the frame 1-14 is unlocked by the locking mechanism 6 and lifted away by the lifting ring 1-1 with the assistance of the track.

[0038] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description. It is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention, and any reference signs in the claims should not be construed as limiting the claims to which they relate.

[0039] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A composite material winding mechanism, characterized in that: include A motion mechanism, comprising a frame, a roller support beam and a sprocket motor, wherein the frame is mounted on the outer diameter of the pipe and a lifting ring is mounted on the frame; two roller support beams are respectively provided on the left and right sides of the frame, and the two roller support beams located on the same side of the frame are respectively an active beam and a passive beam, and a rubber roller is installed on the inner side of the passive beam, and the rubber roller is used to contact the surface of the pipe; a rolling drive shaft and a sprocket motor are provided on the active beam, and the sprocket motor is mounted on the active beam through a motor fixing base, and the sprocket motor drives the rolling drive shaft to move through a chain transmission, thereby driving the rubber roller to move and realize the rotation of the frame; and The winding mechanism includes a winding shaft, a winding wheel, a composite material storage barrel mechanical interface, a guide wheel and a wrench-type fixed handle. The winding wheel installed on the winding shaft is installed with the composite material storage barrel required for winding pipe repair through the composite material storage barrel mechanical interface; both ends of the winding shaft pass through the reserved holes of the frame, and the wrench-type fixed handle is connected to the winding shaft on the outside of the frame; the guide wheel is installed on another winding shaft located next to the winding shaft where the winding wheel is located, and the winding wheel and the winding shaft are provided with an inclination angle according to the winding requirements; and A tensioning mechanism, the tensioning mechanism being used to adjust the tensioning force of the composite material on the winding shaft; and The pressing mechanism is used to press the composite material into contact with the pipe to be repaired.

2. The composite material winding mechanism according to claim 1, characterized in that: The frame includes a first clamp and a second clamp of the same structure, and the first clamp and the second clamp are connected by a roller support beam; the first clamp includes a left first clamp and a right first clamp that are symmetrically split, the first end of the left first clamp is hinged to the first end of the right first clamp, and the second end of the left first clamp is connected to the second end of the right first clamp by a locking mechanism; the hinge between the first end of the left first clamp and the first end of the right first clamp is provided with the lifting ring; the frame is lifted above the pipeline by the lifting ring, and the locking mechanism is used to install the frame on the outer diameter of the pipeline.

3. The composite material winding mechanism according to claim 2, characterized in that: A positioning groove wheel and a positioning outer cam are respectively provided at the second end of the left first clamp and the second end of the right first clamp. The positioning groove wheel and the positioning outer cam match and are used for closing and positioning.

4. The composite material winding mechanism according to claim 1, characterized in that: A roller fork shaft chamber, a roller fork and a compression spring are installed on the inner side of the passive crossbeam; the roller fork shaft chamber is provided at the lower inner side of the passive crossbeam; the roller fork is cooperatedly installed in the roller fork shaft chamber; the outer ring of the roller fork is provided with the compression spring; the end of the roller fork is installed with the rubber roller; the rubber roller is used to contact the surface of the pipeline to realize the coaxial relative rotation operation of the frame and the pipeline to be repaired.

5. The composite material winding mechanism according to claim 1, characterized in that: A driving sprocket is installed on the output shaft of the sprocket motor, a driven sprocket is installed on the rolling drive shaft arranged on one side of the driving beam, and the driving sprocket and the driven sprocket are connected through a chain transmission.

6. The composite material winding mechanism according to claim 1, characterized in that: The tensioning mechanism includes a winding wheel side brake, a screw motor, a linear motor base and a trapezoidal screw. The screw motor is fixed to the frame through the linear motor base, and the screw motor contacts the winding wheel side brake through the trapezoidal screw; the rotational motion of the screw motor is converted into linear reciprocating motion through the trapezoidal screw. During the winding process, the trapezoidal screw and the winding wheel side brake contact each other to generate a force. By controlling the forward and backward movement of the trapezoidal screw, the friction force on the winding wheel side brake is increased or decreased, thereby adjusting the tension of the composite material wrapped around the pipe.

7. The composite material winding mechanism according to claim 1, characterized in that: The clamping mechanism includes a screw motor, a motor fixing plate, a trapezoidal screw and a film pressing strip. The screw motor is fixed to the roller support beam through the motor fixing plate; the screw motor is connected to the film pressing strip through the trapezoidal screw, and the trapezoidal screw is used to realize the reciprocating motion of the film pressing strip.

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