A device for facilitating disassembly of a composite pipe joint

Abstract

The utility model discloses a device convenient to realize composite pipe joint dismounting, at least includes: frame, clamping mechanism, install in frame and with composite pipe or composite pipe joint cooperation, be used for clamping composite pipe or composite pipe joint, first working mechanism, install in frame and be located clamping mechanism's first side, wherein, first working mechanism is used as heating mechanism or assembly mechanism with composite pipe joint cooperation. The device through the organic combination of non -contact even heating, mechanization straight -line drive operation and modularization replaceable design, systematically solved the uneven heating, the operation of the existing composite pipe joint dismounting technique is hard dangerous, the single function etc. problem, provided a kind of efficient, safe, accurate and multifunctional composite pipe joint dismounting solution.

Description

Technical Field

[0001] This utility model relates to the field of mechanical equipment technology, and in particular to a device that facilitates the assembly and disassembly of composite pipe joints. Background Technology

[0002] Flexible composite pipes have a series of advantages such as corrosion resistance, long single length, easy bending, light weight, and convenient transportation and construction. They have gradually gained favor among oilfield users and have now become an important part of the pipeline material selection for oil and gas fields at home and abroad.

[0003] For ease of installation and use, existing flexible composite pipes are generally equipped with composite pipe fittings. To save costs, most currently use reusable composite pipe fittings. After use, the existing method for separating the composite pipe and the fitting is to heat it with a flame and then pull it out with a pry bar or other tools. This method is difficult to control in terms of heating time and temperature, resulting in uneven heating. The outermost PE layer of the composite pipe may not soften or may melt excessively, leaving residual material on the fitting after the pipe is pulled out. Furthermore, the fitting is very hot after heating, posing a risk of burns. Utility Model Content

[0004] To address the aforementioned problems in the prior art, the present invention aims to provide a device that facilitates the assembly and disassembly of composite pipe joints.

[0005] According to one aspect of the present invention, a device is provided that facilitates the assembly and disassembly of composite pipe joints, comprising at least: frame; A clamping mechanism, mounted on the frame and mating with the composite pipe or composite pipe fitting, is used to clamp the composite pipe or composite pipe fitting. The first working mechanism is mounted on the frame and located on the first side of the clamping mechanism; The first working mechanism is used as a heating mechanism or assembly mechanism that mates with the composite pipe joint; When the first working mechanism is used as a heating mechanism, a heater body that can be fitted onto the outer periphery of the composite pipe joint is mounted on the first working mechanism. When the first working mechanism is used as an assembly mechanism, it is equipped with a clamping component that mates with the composite pipe joint.

[0006] In some embodiments, the first working mechanism includes a first driving member and a first movable frame, the first movable frame being movably mounted on the frame, the first driving member being mounted on the frame and the driving end being connected to the first movable frame.

[0007] In some embodiments, the first working mechanism further includes a first guide assembly, which includes a first linear guide rail mounted on the frame and a first slider mounted on the bottom of the first movable frame and slidingly engaged with the first linear guide rail.

[0008] In some embodiments, when the first working mechanism is used as a heating mechanism, the first working mechanism further includes a controller, which is mounted on the first movable frame, and the heater body is mounted on the controller and electrically connected to the controller.

[0009] In some embodiments, the clamping mechanism includes a third drive member, a mounting frame, an upper clamp, and a lower clamp. The mounting frame is mounted on the frame, the lower clamp is fixedly mounted on the mounting frame, the third drive member is mounted on the mounting frame and its drive end is connected to the upper clamp, and the upper clamp is matched with the lower clamp.

[0010] In some embodiments, the upper clamp has a first groove-shaped structure that is matched with the composite pipe or the composite pipe joint for positioning, and the lower clamp has a second groove-shaped structure that is matched with the composite pipe or the composite pipe joint for positioning.

[0011] In some embodiments, the device for facilitating the assembly and disassembly of the composite pipe joint further includes a second working mechanism mounted on the frame and located on the second side of the clamping mechanism. When the first working mechanism is used as a heating mechanism, the second working mechanism cooperates with the composite pipe to disengage the composite pipe from the composite pipe joint after it has been heated by the heating mechanism.

[0012] In some embodiments, the second working mechanism includes a first connector, a second connector, a second drive member, and a second movable frame. The second movable frame is movably mounted on the frame. The second drive member is mounted on the frame and its drive end is connected to the second movable frame. The first connector is mounted on the second movable frame, and the second connector is connected to the first connector and the composite pipe.

[0013] In some embodiments, the second working mechanism further includes a second guide assembly, which includes a second linear guide rail mounted on the frame and a second slider mounted on the bottom of the second movable frame and slidingly engaging with the second linear guide rail.

[0014] In some embodiments, the second working mechanism also includes a column for mounting the first connector.

[0015] The beneficial effects of this utility model are: 1. Precise, controllable, and uniform heating method effectively ensures the integrity of the composite pipe: Abandoning the difficult-to-control open flame baking of existing technologies, this innovative method employs a ring heater (such as a high-frequency induction heater) that can be fitted around the periphery of the composite pipe joint. This non-contact, surrounding heating method can uniformly and controllably heat the composite pipe joint and the end of the composite pipe to which it is joined. Through precise temperature adjustment and timing by the controller, it ensures that the outermost PE layer of the composite pipe is uniformly and fully softened to the ideal state, thus avoiding excessive melting or carbonization of PE due to localized overheating, and also preventing the PE layer from remaining unsoftened due to insufficient heating. This fundamentally solves the problem of composite pipe residue or damage caused by uneven heating in existing technologies, laying the foundation for subsequent non-destructive separation or high-quality assembly (reusability of the composite pipe joint).

[0016] 2. Automated, labor-saving, and standardized operation significantly improves work efficiency and safety: By integrating clamping mechanisms (such as upper and lower clamps) and drive mechanisms (such as first and second drive components working with linear guides), reliable fixing of composite pipes or joints and mechanized, linearly driven disassembly / assembly actions are achieved. During disassembly, it replaces the laborious and unstable prying operation that relies on manual pry bars. A stable linear pulling force is used to pull the composite pipe out of the heated joint, making the process controllable, labor-saving, and consistent. During assembly, a stable pushing force is also provided. The entire operation reduces reliance on the operator's physical strength and experience, lowers labor intensity, improves the standardization and repeatability of disassembly and assembly operations, and significantly reduces the risk of work-related injuries caused by slipping tools or contact with high-temperature components.

[0017] 3. Modular and reconfigurable design enables multi-functionality and excellent economy: The core first working mechanism adopts a modular design concept. Its first movable frame serves as a universal platform, which can be flexibly equipped with different functional modules according to operational needs. In disassembly mode, the heater body and controller module are installed; in assembly mode, the clamping component module is replaced. This design allows the same frame, drive, and clamping system to be reused, and the two functional modes of "disassembly device" and "assembly device" can be quickly switched by simply changing the front-end tool module. This not only greatly expands the application scenarios of the equipment and improves the utilization rate of the equipment, but also avoids the cost of purchasing special equipment for different processes, demonstrating good functional integration and economy.

[0018] 3. The overall structure boasts high rigidity and precise guidance, ensuring stable and reliable operation: The main body of the device utilizes a robust frame, and each moving component (such as the first and second movable frames) is equipped with a high-precision guiding assembly consisting of linear guides and sliders. This structure ensures that key actions such as the insertion of the heater, the advancement of the clamping component, and the pulling out of the composite tube are performed smoothly and precisely along a preset linear trajectory, without deviation or jamming. Combined with upper and lower clamps featuring matching groove structures (first and second groove structures), it can effectively clamp pipes and joints of different specifications, preventing slippage or deformation during stress. The overall structural rigidity and motion precision guarantee the controllability and success rate of the assembly and disassembly process.

[0019] 4. Significantly improved working environment and safety: Because the heating process is enclosed and controllable, and the separation operation after heating is performed mechanically, operators do not need to be in close contact with high-temperature flames and high-temperature workpieces, fundamentally eliminating the risk of burns and improving the working environment. The mechanized operation also reduces the extreme requirements for operators' personal protective equipment and skill level.

[0020] In summary, this utility model systematically solves the problems of uneven heating, laborious and dangerous operation, and limited functionality in existing composite pipe joint assembly and disassembly technologies by organically combining non-contact uniform heating, mechanized linear drive operation, and modular replaceable design. It provides an efficient, safe, accurate, and multifunctional solution for assembling and disassembling composite pipe joints. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the device for facilitating the assembly and disassembly of composite pipe joints (when used as a disassembly device) according to Embodiment 1 of this utility model.

[0022] Figure 2 for Figure 1 The diagram shown is a three-dimensional representation of the device for facilitating the assembly and disassembly of composite pipe joints, with some parts omitted.

[0023] Figure 3 This is a three-dimensional structural diagram of a device for facilitating the assembly and disassembly of composite pipe joints (when used as an assembly device) according to Embodiment 2 of this utility model.

[0024] Figure 1-3 Figure labels in the diagram: 1-Frame; 2-Clamping mechanism; 3-First working mechanism; 4-Second working mechanism; 5-Composite pipe; 6-Composite pipe connector; 21-Mounting frame; 22-Upper clamp; 23-Lower clamp; 24-Third driving component; 31-First driving component; 32-First movable frame; 33-Control cabinet; 34-Heater body; 35-First guide assembly; 36-Securing component; 41-Second driving component; 42-Second movable frame; 43-Column; 44-First connecting component; 45-Second guide assembly; 51-Connecting hole; 221-First groove structure; 231-Second groove structure; 351-First linear guide rail; 352-First slider; 451-Second linear guide rail; 452-Second slider. Detailed Implementation

[0025] The embodiments of this utility model will now be described clearly and completely with reference to the accompanying drawings.

[0026] Example 1 like Figure 1-2 As shown, this utility model discloses a device that facilitates the assembly and disassembly of composite pipe joints, demonstrating a preferred embodiment of this utility model as a composite pipe joint disassembly device.

[0027] The main body of the device is a welded rigid frame 1. A clamping mechanism 2 is installed in the middle of the frame 1. The clamping mechanism 2 includes a third drive component 24, a mounting frame 21, an upper clamp 22, and a lower clamp 23. The mounting frame 21 is mounted on the frame 1, and the lower clamp 23 is fixedly mounted on the mounting frame 21. The third drive component 24 is mounted on the mounting frame 21, and its drive end is connected to the upper clamp 22. The upper clamp 22 and the lower clamp 23 are matched. The mounting frame 21 of the clamping mechanism 2 is fixed on the frame 1, and the lower clamp 23 is fixed to the lower part of the mounting frame 21 by bolts. The third drive component 24 is a vertically mounted cylinder, the cylinder body of which is fixed to the top of the mounting frame 21, and the lower end of the piston rod (i.e., the drive end) is directly connected to the upper clamp 22. The bottom surface of the upper clamp 22 and the top surface of the lower clamp 23 are respectively machined with a C-shaped (arc-shaped) first groove structure 221 and a second groove structure 231.

[0028] On the right side (first side) of the clamping mechanism 2, a first working mechanism 3 serving as a heating mechanism is installed. The first working mechanism 3 includes a first driving component 31, a first movable frame 32, a first guide assembly 35, a controller, and a heater body 34. The first guide assembly 35 includes a first linear guide rail 351 mounted on the frame 1 and a first slider 352 mounted on the bottom of the first movable frame 32 and slidingly engaged with the first linear guide rail 351. The first movable frame 32 is slidably connected to two first linear guide rails 351 fixed on the frame 1 via two first sliders 352 at its bottom. The first driving component 31 is a horizontally mounted cylinder, servo electric push rod, or hydraulic cylinder, with its cylinder body fixed on the frame 1 and the end of the push rod connected to the first movable frame 32. A control cabinet 33 (containing a controller) and a ring-shaped high-frequency induction heater body 34 made of copper tubing are mounted on the first movable frame 32. The heater body 34 is connected to the controller via a cable, and the controller can be a PLC controller.

[0029] On the left side (second side) of the clamping mechanism 2, a second working mechanism 4 is installed. The second working mechanism 4 includes a first connecting member 44, a second connecting member, a second driving member 41, a second movable frame 42, columns 43, and a second guide assembly 45. The second guide assembly 45 includes a second linear guide rail 451 mounted on the frame 1 and a second slider 452 mounted on the bottom of the second movable frame 42 and slidingly engaged with the second linear guide rail 451. The second movable frame 42 is slidably connected to two second linear guide rails 451 fixed on the frame 1 via two second sliders 452 at its bottom. The second driving member 41 is a horizontally mounted cylinder, servo electric push rod, or hydraulic cylinder, with its cylinder body fixed on the frame 1 and the end of its piston rod connected to the second movable frame 42. Two columns 43 are vertically fixed on the second movable frame 42, and a lifting eye screw is fixed to the top of each column 43 as a first connecting member 44. A sling serves as a second connector (not shown in the figure). One end of the sling is connected to one of the first connectors 44 by a knot. The other end first passes through the connecting holes on both sides of the composite pipe 5 (the clamping mechanism 2 clamps the composite pipe joint 6 and then punches holes through the punching device) before connecting to the other first connector 44.

[0030] The disassembly process of the composite tube 5 of this utility model: S1. Place the assembly of the composite pipe 5 and the composite pipe connector 6 to be disassembled horizontally, so that part of the composite pipe connector 6 is located in the clamping groove formed by the clamping mechanism 2. After adjusting the position of the assembly of the composite pipe 5 and the composite pipe connector 6, start the third drive component 24 to drive the upper clamp 22 to move down and firmly clamp the composite pipe connector 6.

[0031] S2. Drill holes on both sides of the composite pipe 5 to form connection holes 51.

[0032] S3. Drive the second movable frame 42 to move to the vicinity of the composite pipe 5 through the second driving member 41, and then use the second connecting member (sling or wire rope) to pass through the connecting hole 51 on the composite pipe 5 and fix it to the first connecting member 44 (lifting eye screw) on the column 43.

[0033] S4. Start the first driving component 31 to push the first movable frame 32 and the heater body 34 to move smoothly towards the composite pipe joint 6 until the heater body 34 completely covers the outer periphery of the composite pipe joint 6.

[0034] S5. Set the heating parameters (such as power and time) through the controller and start the high-frequency induction heater. The alternating magnetic field generated by the heater generates eddy currents in the metal part of the composite pipe joint 6 and the adjacent reinforcing layer of the composite pipe 5, which generates heat. The heat conduction causes the PE layer at the end of the composite pipe 5 to soften uniformly.

[0035] S7. When the heating time is up, the controller automatically stops heating. The first drive component 31 pulls the heater body 34 back to its original position.

[0036] S8. Activate the second drive unit 41. The hydraulic cylinder piston rod retracts, pulling the second movable frame 42, column 43, and first connecting member 44 backward smoothly. This applies a smooth axial tensile force to the composite pipe 5 through the second connecting member. Under this tensile force, the composite pipe 5, whose PE layer has softened, is completely pulled out of the composite pipe joint 6.

[0037] S9. Loosen the clamping mechanism 2, remove the separated composite pipe joint 6 and composite pipe 5, and complete the disassembly.

[0038] The disassembled composite pipe joint 6 can be reused.

[0039] Example 2 like Figure 3 As shown, this demonstrates the state of converting this device into a composite pipe fitting assembly device.

[0040] Before assembly, the heating module (control cabinet and heater body 34) of the first working mechanism 3 must be removed from the first movable frame 32. Then, a block or plate-shaped steel clamping member 73 that mates with the end face of the composite pipe joint 6 is bolted onto the first movable frame 32 to form the assembly mechanism.

[0041] The assembly process of this device as an assembly mechanism is as follows: S1. Clamp one end of the composite pipe 5 by clamping mechanism 2, so that the composite pipe connector 6 to be assembled is fitted onto the other end of the composite pipe 5, ensuring that the two are aligned.

[0042] S2. Start the first driving component 31 to push the first movable frame 32 and the clamping component 36 to move smoothly toward the composite pipe joint 6.

[0043] S3. The clamping member 36 contacts and presses against the tail of the composite pipe connector 6, and continues to apply thrust, thereby pressing the composite pipe connector 6 smoothly and linearly into the end of the composite pipe 5 until the preset insertion depth is reached.

[0044] S4. The first driving component 31 drives the clamping component 36 to retract, releasing the clamping mechanism 2, and taking out the assembled product to complete the assembly.

[0045] The device of this utility model that facilitates the assembly and disassembly of composite pipe joints has at least the following advantages over the prior art: 1. Precise, controllable, and uniform heating method effectively ensures the integrity of the composite pipe 5: It abandons the difficult-to-control open flame baking method of existing technologies and innovatively adopts a ring heater (such as a high-frequency induction heater) that can be fitted around the periphery of the composite pipe joint 6. This non-contact, surrounding heating method can uniformly and controllably heat the composite pipe joint 6 and the end of the composite pipe 5 connected to it. Through precise temperature adjustment and timing by the controller, it can ensure that the outermost PE layer of the composite pipe 5 is uniformly and fully softened to the ideal state, thereby avoiding excessive melting or carbonization of PE due to local overheating, and also preventing the PE layer from not softening due to insufficient heating. This fundamentally solves the problem of composite pipe 5 residue or damage caused by uneven heating in existing technologies, laying the foundation for subsequent non-destructive separation or high-quality assembly (reuse of the composite pipe joint 6).

[0046] 2. Automated, labor-saving, and standardized operation significantly improves work efficiency and safety: By integrating the clamping mechanism 2 (such as upper and lower clamps) and the drive mechanism (such as the first and second drive components working with linear guides), reliable fixing of the composite pipe 5 or the joint, as well as mechanized and linearly driven disassembly / assembly actions, are achieved. During disassembly, it replaces the laborious and unstable prying operation that relies on manual pry bars. The composite pipe 5 is pulled out of the heated joint through a stable linear pulling force, making the process controllable, labor-saving, and consistent. During assembly, a stable pushing force is also provided. The entire operation process reduces reliance on the operator's physical strength and experience, lowers labor intensity, improves the standardization and repeatability of disassembly and assembly operations, and significantly reduces the risk of work-related injuries caused by slippage of operating tools or contact with high-temperature components.

[0047] 3. Adopting a modular and reconfigurable design, this machine achieves multiple uses, offering excellent functionality and economy: The core first working mechanism 3 employs a modular design concept. Its first movable frame 32 serves as a universal platform, allowing for flexible assembly of different functional modules according to operational needs. In disassembly mode, the heater body 34 and controller module are installed; in assembly mode, the clamping component 36 module is replaced. This design allows for the reuse of the same frame, drive, and clamping system, enabling rapid switching between the "disassembly device" and "assembly device" functional modes simply by changing the front-end tool module. This not only greatly expands the equipment's application scenarios and improves equipment utilization but also avoids the cost of purchasing dedicated equipment for different processes, demonstrating excellent functional integration and economy.

[0048] 3. The overall structure boasts high rigidity and precise guidance, ensuring stable and reliable operation: The main body of the device utilizes a robust frame 1, and high-precision guiding components consisting of linear guides and sliders are installed for each moving part (such as the first and second movable frames). This structure ensures that key actions such as the insertion of the heater body 34, the advancement of the clamping member 36, and the pulling out of the composite tube 5 are performed smoothly and precisely along a preset linear trajectory, without deviation or jamming. Combined with upper and lower clamps featuring matching groove structures (first and second groove structures), it can effectively clamp pipes and joints of different specifications, preventing slippage or deformation during stress. The rigidity and motion precision of the overall structure guarantee the controllability and success rate of the assembly and disassembly process.

[0049] 4. Significantly improved working environment and safety: Because the heating process is enclosed and controllable, and the separation operation after heating is performed mechanically, operators do not need to be in close contact with high-temperature flames and high-temperature workpieces, fundamentally eliminating the risk of burns and improving the working environment. The mechanized operation also reduces the extreme requirements for operators' personal protective equipment and skill level.

[0050] In summary, this utility model systematically solves the problems of uneven heating, laborious and dangerous operation, and limited functionality in existing composite pipe joint assembly and disassembly technologies by organically combining non-contact uniform heating, mechanized linear drive operation, and modular replaceable design. It provides an efficient, safe, accurate, and multifunctional solution for assembling and disassembling composite pipe joints.

[0051] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A device for facilitating the assembly and disassembly of composite pipe joints, characterized in that, At least including: Rack (1); A clamping mechanism (2) is installed on the frame (1) and cooperates with the composite pipe (5) or the composite pipe joint (6) for clamping the composite pipe (5) or the composite pipe joint (6); The first working mechanism (3) is installed on the frame (1) and located on the first side of the clamping mechanism (2); The first working mechanism (3) is used as a heating mechanism or assembly mechanism that cooperates with the composite pipe joint (6); When the first working mechanism (3) is used as a heating mechanism, the first working mechanism (3) is equipped with a heater body (34) that can be fitted onto the outer periphery of the composite pipe joint (6); When the first working mechanism (3) is used as an assembly mechanism, the first working mechanism (3) is equipped with a clamping member (36) that cooperates with the composite pipe joint (6).

2. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 1, characterized in that, The first working mechanism (3) includes a first driving member (31) and a first movable frame (32). The first movable frame (32) is movably mounted on the frame (1). The first driving member (31) is mounted on the frame (1) and its driving end is connected to the first movable frame (32).

3. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 2, characterized in that, The first working mechanism (3) further includes a first guide assembly (35), which includes a first linear guide rail (351) mounted on the frame (1) and a first slider (352) mounted on the bottom of the first movable frame (32) and slidingly engaged with the first linear guide rail (351).

4. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 2, characterized in that, When the first working mechanism (3) is used as a heating mechanism, the first working mechanism (3) further includes a controller, the controller is mounted on the first movable frame (32), and the heater body (34) is mounted on the controller and electrically connected to the controller.

5. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 1, characterized in that, The clamping mechanism (2) includes a third drive member (24), a mounting frame (21), an upper clamp (22), and a lower clamp (23). The mounting frame (21) is mounted on the frame (1), and the lower clamp (23) is fixedly mounted on the mounting frame (21). The third drive member (24) is mounted on the mounting frame (21) and its drive end is connected to the upper clamp (22). The upper clamp (22) is matched with the lower clamp (23).

6. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 5, characterized in that, The upper clamp (22) has a first groove structure (221) that is matched with the composite pipe (5) or the composite pipe joint (6), and the lower clamp (23) has a second groove structure (231) that is matched with the composite pipe (5) or the composite pipe joint (6).

7. The device for facilitating the assembly and disassembly of composite pipe joints according to any one of claims 1-6, characterized in that, It also includes a second working mechanism (4), which is installed on the frame (1) and located on the second side of the clamping mechanism (2). When the first working mechanism (3) is used as a heating mechanism, the second working mechanism (4) cooperates with the composite tube (5) to make the composite tube (5) detach from the composite tube joint (6) after being heated by the heating mechanism.

8. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 7, characterized in that, The second working mechanism (4) includes a first connector (44), a second connector, a second drive (41), and a second movable frame (42). The second movable frame (42) is movably mounted on the frame (1). The second drive (41) is mounted on the frame (1) and its drive end is connected to the second movable frame (42). The first connector (44) is mounted on the second movable frame (42). The second connector is connected to the first connector (44) and the composite pipe (5) respectively.

9. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 8, characterized in that, The second working mechanism (4) further includes a second guide assembly (45), which includes a second linear guide rail (451) mounted on the frame (1) and a second slider (452) mounted on the bottom of the second movable frame (42) and slidingly engaged with the second linear guide rail (451).

10. The device for facilitating the assembly and disassembly of composite pipe joints according to claim 8, characterized in that, The second working mechanism (4) also includes a column (43) for mounting the first connector (44).

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