Hydraulic Coupler with Segmented Clamping for Pipe Connection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing coupler devices for connecting and disconnecting pressurized fluid conduits, such as those used in FPSO operations, are cumbersome, require heavy and expensive equipment for pre-tensioning, and lack efficient mechanisms for quick and reliable coupling and decoupling, leading to handling difficulties and potential leakage issues.
Innovation Solution
A coupler device featuring two connector hubs with inclined mating surfaces and a clamp with multiple clamping members and rods, where hydraulic actuators provide controlled axial forces for clamping, and safety locking mechanisms ensure secure connections and quick releases, allowing for compact and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional bolts and pre-tensioning equipment are used to clamp connector hubs, then the connection provides structural stability, but the equipment becomes large, heavy, and expensive requiring special handling tools
Solution Approach 1:
The clamp is divided into two separate clamping members that can be independently positioned and actuated. Each clamping member can be controlled by its own actuator, allowing the system to achieve the required clamping force without needing a single large, heavy clamp assembly. This segmentation enables the use of smaller, lighter components while maintaining connection stability.
Solution Approach 2:
The patent replaces traditional mechanical pre-tensioning equipment with hydraulic actuators that apply axial forces to the clamping members. This hydraulic system provides the necessary clamping force with compact, lightweight actuators instead of large mechanical pre-tensioning devices, reducing equipment weight and eliminating the need for special handling tools.
2Ease of manufacture
If manual make up process is used for clamps and connector hubs, then the connection can be established, but the process becomes time consuming and requires special handling tools
Solution Approach 1:
The clamp transitions from a static manual assembly to a dynamic automated system. The two clamping members are equipped with actuators that automatically position and apply clamping force, replacing the manual make-up process. This dynamic system can rapidly establish connections without requiring special handling tools or manual intervention, significantly reducing coupling time.
Solution Approach 2:
The automated actuation system enables the clamp to perform its own assembly and positioning functions without external assistance. The actuators automatically drive the clamping members into the correct positions and apply the required forces, making the system self-sufficient during the coupling process and eliminating the need for special handling tools.
3Stress or pressure
If large diameter clamps are used for high pressure and large bore conduits, then the connection can handle higher pressures, but the clamps become large and heavy requiring auxiliary handling equipment
Solution Approach 1:
The clamp is segmented into two independently actuated clamping members. This allows each member to be smaller and lighter while collectively providing the necessary pressure handling capacity. The segmentation enables better distribution of the clamping force and reduces the size and weight of individual components, improving handling ease without compromising pressure handling capability.
Solution Approach 2:
Hydraulic actuators provide the force necessary to maintain secure connections under high pressure conditions. These actuators can generate high forces in compact packages, allowing the clamp to handle high pressures without requiring oversized mechanical components. This hydraulic force application improves the ease of operation by enabling remote or automated control without heavy auxiliary equipment.
4Adaptability or versatility
If integrated valves are added to connector hubs, then the coupling function is enhanced, but the diameter must be increased making the device larger and heavier
Solution Approach 1:
The valve functions are integrated directly into the connector hub structure, merging the coupling and valve functions into a single component. This integration eliminates the need for separate valve assemblies that would increase diameter and weight. The connector hub is designed with internal valve mechanisms that provide enhanced coupling functionality without requiring larger external dimensions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables rapid and reliable connection and disconnection of pipe bodies with even pressure distribution, reducing the need for heavy equipment and minimizing leakage risks, while providing accurate force control and stability during operations.
Implementation Method 1
hydraulic actuators provide controlled axial forces for clamping
Implementation Method 2
Clamps and connector hubs provide an alternative to standard flange connections
Data Source
AI summary
A coupler device for coupling first and second pipe bodies and a method for using the coupler device are disclosed, the coupler device including—a first connector hub configured to be connected to the first pipe body;a second connector hub configured to be connected to the second pipe body;a clamp configured to clamp the first and second connector hubs together, the clamp comprising two or more clamping members; andtwo or more clamping rods, along which the clamping members are configured to be displaced, wherein the at least two clamping rods are rigidly connected to the first connector hub.