Emergency unlocking tool for underwater multi-path quick connector

Abstract

The invention discloses an underwater multi-path quick connector emergency unlocking tool which comprises a hot plug male head and a hot plug female head, the hot plug male head is connected to the hot plug female head in an inserted mode, the hot plug female head is fixedly arranged on a force bearing strut beam, a hydraulic cylinder is arranged at the end of the force bearing strut beam, and the hydraulic cylinder is connected with the hot plug male head in an inserted mode. A telescopic rod of the hydraulic cylinder abuts against the fixed end of the underwater multi-path quick connector, an indicating sign abuts against the force-bearing strut beam, a guiding connector is arranged at the end, away from the indicating sign, of the force-bearing strut beam, an operating handle is inserted into the indicating sign, and the operating handle is connected with a split flange in the guiding connector in a clamped mode after sequentially penetrating through the indicating sign and the force-bearing strut beam. When the operating handle is rotated, the guide interface is inserted into the standard interface on the fixed end of the underwater multi-path quick connector, and the locking lug arranged on the guide interface is clamped and fixed with the standard interface. The emergency unlocking tool for the underwater multi-path quick connector is high in reliability, and unlocking and recycling of the underwater multi-path quick connector in an emergency state are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of marine engineering, and in particular relates to an emergency unlocking tool for an underwater multi-way quick connector. Background Art

[0002] Underwater multi-way quick connector is a device used to connect multiple hydraulic lines simultaneously in an underwater environment. It is mainly used to distribute underwater hydraulic control signals and make quick hydraulic connections underwater. The hydraulic fly head usually consists of a hydraulic fly head male head and a hydraulic fly head female head. The male head part is usually carried, operated and installed by an underwater robot, while the female head part is fixed on the underwater equipment.

[0003] In actual applications, underwater multi-way quick connectors work in deep water and harsh environments. When the mobile end of the underwater multi-way quick connector cannot be unlocked normally, since the current maximum diving depth of divers does not exceed 500 meters, an underwater robot is required to carry an unlocking tool to complete the emergency unlocking of the male and female heads.

[0004] Therefore, it is urgent to design an underwater multi-way quick connector emergency unlocking tool to solve the problem that the male and female fixed ends of the underwater multi-way quick connector mentioned above fail and cannot be unlocked. Summary of the invention

[0005] In order to solve the technical problem mentioned in the background technology that when the mobile end of the underwater multi-way quick connector cannot be unlocked normally, an underwater robot needs to carry an unlocking tool to complete the emergency unlocking of the male and female heads. An underwater multi-way quick connector emergency unlocking tool is provided to solve the problem that the fixed ends of the male and female heads of the underwater multi-way quick connector fail and cannot be unlocked.

[0006] To achieve the above purpose, the specific technical solution of the underwater multi-way quick connector emergency unlocking tool of the present invention is as follows: An underwater multi-way quick connector emergency unlocking tool comprises a hot-swappable male head and a hot-swappable female head, the hot-swappable male head is plugged into the hot-swappable female head, the hot-swappable female head is fixedly arranged on a load-bearing support beam, a hydraulic cylinder is arranged at the end of the load-bearing support beam, the telescopic rod of the hydraulic cylinder abuts against the fixed end of the underwater multi-way quick connector, an indication sign abuts against the load-bearing support beam, a guide interface is arranged at the end of the load-bearing support beam away from the indication sign, an operating handle is plugged into the indication sign, after the operating handle is inserted into the indication sign and the load-bearing support beam in turn, it is clamped with a split flange in the guide interface, the operating handle is rotated, the guide interface is inserted into the standard interface on the fixed end of the underwater multi-way quick connector, and the locking ear arranged on the guide interface is clamped and fixed with the standard interface.

[0007] Furthermore, a rectangular limit block is provided on the operating handle, and the indicator plate is provided on the center hole of the load-bearing support beam. The operating handle is sequentially inserted into the center hole of the indicator plate and the load-bearing support beam so that the rectangular limit block abuts against the indicator plate.

[0008] Furthermore, a cylindrical limit block is provided at one end of the central hole of the operating handle inserted into the load-bearing support beam, and the cylindrical limit block is clamped with the split flange, and the split flange is used to limit the axial movement of the cylindrical limit block.

[0009] Furthermore, a first connecting rod and a second connecting rod are connected to the cylindrical limiting block, and the ends of the first connecting rod and the second connecting rod away from the cylindrical limiting block are respectively connected to locking ears at both ends of the guide interface, and a tension spring is arranged between the locking ears.

[0010] Furthermore, locking ears are symmetrically arranged on the guide interface, and a locking pin is inserted into the rectangular limiting hole of the locking ear, and the locking pin can freely extend and retract along the rectangular limiting hole.

[0011] Furthermore, a movable bolt is provided at one end of the lock pin inserted into the lock ear, and both ends of the tension spring are respectively hung on the movable bolt.

[0012] Furthermore, one end of the first connecting rod and the second connecting rod away from the cylindrical limiting block is fixedly connected to the locking pin, and the operating handle is rotated so that the locking pin moves horizontally in the rectangular limiting hole to be engaged with the standard interface.

[0013] Furthermore, hydraulic cylinders are provided at both ends of the load-bearing support beam, and the telescopic rods of the two hydraulic cylinders are abutted against the fixed ends of the underwater multi-way quick connector. The two hydraulic cylinders are connected by hydraulic pipelines, and the hydraulic pipelines are respectively connected to the oil outlet and oil inlet of the hot-swappable female connector.

[0014] Furthermore, a synchronization valve is connected in series to the oil outlet pipeline of the hot-swappable female connector to ensure that the telescopic rods of the two hydraulic cylinders are telescoped synchronously.

[0015] Furthermore, mounting holes are provided at both ends of the load-bearing support beam, and two hydraulic cylinders are fixed to the load-bearing support beam by bolts respectively.

[0016] The underwater multi-way quick connector emergency unlocking tool of the present invention has the following advantages: By arranging a hydraulic cylinder on the load-bearing support beam, the telescopic rod of the hydraulic cylinder is in contact with the underwater multi-way quick connector, and the operating handle is turned clockwise during the process of inserting the guide interface of the emergency unlocking tool into the standard interface to ensure that the locking device is in the open state, and after the guide interface of the emergency unlocking tool is fully inserted into the standard interface, the operating handle is turned counterclockwise, and the emergency unlocking tool is locked with the mobile end of the underwater multi-way quick connector. The present application has the advantages of simple structure, convenient operation, and high reliability, and realizes the unlocking and recovery of the underwater multi-way quick connector in an emergency state. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the underwater multi-way quick connector emergency unlocking tool of the present invention; Figure 2It is a top view of the emergency unlocking tool of the underwater multi-way quick connector of the present invention; Figure 3 It is a structural schematic diagram of the guide interface of the emergency unlocking tool of the underwater multi-way quick connector of the present invention; Figure 4 It is a partial cross-sectional view of the emergency unlocking tool of the underwater multi-way quick connector of the present invention; Figure 5 It is a working schematic diagram of the emergency unlocking tool for underwater multi-way quick connector of the present invention.

[0018] Description of the markings in the figure: 1. Hydraulic cylinder; 2. Hot-swappable male connector; 3. Hot-swappable female connector; 4. Operating handle; 5. Indicator plate; 6. Load-bearing support beam; 7. Hydraulic pipeline; 8. Guide interface; 9. Tension spring; 10. Locking ear; 11. Locking pin; 12. Split flange; 13. First connecting rod; 14. Second connecting rod; 15. Visible bolt; 16. Underwater multi-way quick connector moving end; 17. Underwater multi-way quick connector fixed end; 18. Synchronous valve; 19. Standard interface; 20. Rectangular limit block; 21. Cylindrical limit block; 22. Telescopic rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 those skilled in the art without creative work are within the scope of protection of the present invention.

[0020] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0021] Please refer to the attached Figure 1 To Attachment Figure 5 The invention discloses an emergency unlocking tool for an underwater multi-way quick connector.

[0022] like Figure 1As shown, the underwater multi-way quick connector emergency unlocking tool in the present invention includes a hot-swappable male head 2 and a hot-swappable female head 3, the hot-swappable male head 2 is plugged into the hot-swappable female head 3, the hot-swappable female head 3 is fixedly arranged on the load-bearing support beam 6, a hydraulic cylinder 1 is provided at the end of the load-bearing support beam 6, the telescopic rod 22 of the hydraulic cylinder 1 is abutted against the fixed end 17 of the underwater multi-way quick connector, an indication sign 5 is abutted on the load-bearing support beam 6, a guide interface 8 is provided at one end of the load-bearing support beam 6 away from the indication sign 5, an operating handle 4 is plugged into the indication sign 5, after the operating handle 4 is inserted into the indication sign 5 and the load-bearing support beam 6 in turn, it is clamped with the split flange 12 in the guide interface 8, the operating handle 4 is rotated, the guide interface 8 is inserted into the standard interface 19 on the fixed end 17 of the underwater multi-way quick connector, and the locking ear 10 provided on the guide interface 8 is clamped and fixed with the standard interface 19.

[0023] By arranging the hydraulic cylinder 1 on the load-bearing support beam 6, the telescopic rod 22 of the hydraulic cylinder 1 is in contact with the underwater multi-way quick connector, and the operating handle 4 is turned clockwise during the process of inserting the guide interface 8 of the emergency unlocking tool into the standard interface 19 to ensure that the locking device is in the open state. After the guide interface 8 of the emergency unlocking tool is fully inserted into the standard interface, the operating handle 4 is turned counterclockwise, and the emergency unlocking tool is locked with the mobile end of the underwater multi-way quick connector. The present application has the advantages of simple structure, convenient operation, and high reliability, and realizes the unlocking and recovery of the underwater multi-way quick connector in an emergency state.

[0024] Further, if Figures 1 to 3 As shown, a rectangular limit block 20 is provided on the operating handle 4, and the indicator plate 5 is provided on the center hole of the load-bearing support beam 6. The operating handle 4 is inserted into the center holes of the indicator plate 5 and the load-bearing support beam 6 in sequence so that the rectangular limit block 20 abuts against the indicator plate 5; a cylindrical limit block 21 is provided at one end of the operating handle 4 inserted into the center hole of the load-bearing support beam 6, and the cylindrical limit block 21 is clamped with the split flange 12, and the split flange 12 is used to limit the axial movement of the cylindrical limit block 21; the cylindrical limit block 21 is connected to the first connecting rod 13 and the second connecting rod 14, and the first connecting rod 13 and the second connecting rod 14 are connected to the locking ears 10 at both ends of the guide interface 8 at one end away from the cylindrical limit block 21, and a tension spring 9 is provided between the locking ears 10.

[0025] In this embodiment, preferably, the operating handle 4 is D-shaped, a rectangular limit block 20 is fixedly provided on the outer wall of the operating handle 4, the indicator sign 5 abuts against the center hole of the load-bearing support beam 6, the indicator sign 5 is a hollow disc shape, and the indicator letters "O" and "S" are engraved on the upper surface of the indicator sign 5.

[0026] The D-shaped operating handle 4 has a rotational freedom, and the rectangular limit block 20 is limited by two anti-rotation screws installed on the load-bearing support beam 6 and can only rotate 90 degrees. The rotation limit positions of the rectangular limit block 20 point to the indicator letters "O" and "S" on the indicator sign respectively.

[0027] Preferably, the upper end of the operating handle 4 is a D-shaped structure, which is convenient for the underwater robot to grasp and operate. A rectangular limit block 20 is welded in the middle, and the length of the rectangular limit block 20 is greater than the center opening of the indicator sign 5. A cylindrical limit block 21 is welded at the lower end of the operating handle 4, and the diameter of the cylindrical limit block 21 is greater than the hollow diameter of the split flange 12.

[0028] Preferably, the split flange 12 is composed of two parts, which are put together into a circular ring shape, and the middle part is a hollow structure, which is fixed to the bottom of the load-bearing support beam 6 by bolts. The split flange 12 limits the axial movement of the cylindrical limit block 21 at the end of the operating handle 4.

[0029] Two mounting holes are symmetrically arranged on the lower end surface of the cylindrical limit block 21 of the operating handle 4. The first connecting rod 13 and the second connecting rod 14 are respectively connected to the mounting holes of the cylindrical limit block 21 by pins. When the operating handle 4 rotates, the first connecting rod 13 and the second connecting rod 14 are driven to move around the operating handle 4.

[0030] Further, if Figure 1 and Figure 4 As shown, locking ears 10 are symmetrically arranged on the guide interface 8, and a locking pin 11 is inserted into the rectangular limiting hole of the locking ear 10, and the locking pin 11 can freely extend and retract along the rectangular limiting hole; a movable bolt 15 is provided at one end of the locking pin 11 inserted into the locking ear 10, and the two ends of the tension spring 9 are respectively hung on the movable bolt 15; the first connecting rod 13 and the second connecting rod 14 are fixedly connected with the locking pin 11 at one end away from the cylindrical limiting block 21, and the operating handle 4 is turned, and the locking pin 11 moves horizontally in the rectangular limiting hole to clamp the standard interface 19.

[0031] In this embodiment, preferably, two square holes are designed at symmetrical positions on the upper cylindrical surface of the guide interface 8, and two locking ears 10 are welded at the square holes. The locking ears 10 are provided with a step structure, which can pass through the mounting holes on the load-bearing support beam 6 and be welded and fixed to the bottom surface of the load-bearing support beam 6.

[0032] A rectangular guide hole is opened in the middle of the lock ear 10 , and the rectangular guide hole is communicated with the square hole of the guide interface 8 . The lock pin 11 of the locking device can freely extend and retract in the guide hole of the lock ear 10 .

[0033] Preferably, the first connecting rod 13 and the second connecting rod 14 are connected to the end of the lock pin 11 inserted into the lock ear 10 through pins. The two lock pins 11 are respectively equipped with a live bolt, and the two ends of the tension spring 9 are hung on the live bolt 15.

[0034] Further, if Figure 1 and Figure 5As shown, hydraulic cylinders 1 are respectively provided at both ends of the load-bearing support beam 6, and the telescopic rods 22 of the two hydraulic cylinders 1 are both abutted against the fixed end 17 of the underwater multi-way quick connector, and the two hydraulic cylinders 1 are connected by a hydraulic pipeline 7, and the hydraulic pipeline 7 is respectively connected to the oil outlet and the oil inlet of the hot-swappable female connector 3; a synchronization valve 18 is connected in series to the oil outlet pipeline of the hot-swappable female connector 3 to ensure that the telescopic rods 22 of the two hydraulic cylinders 1 are synchronously extended and retracted; mounting holes are provided at both ends of the load-bearing support beam 6, and the two hydraulic cylinders 1 are respectively fixed to the load-bearing support beam 6 by bolts.

[0035] In this embodiment, preferably, the load-bearing support beam 6 is a three-dimensional frame structure and is provided with weight-reducing openings; reinforcing rib structures are welded on both sides of the upper surface of the load-bearing support beam 6, and an operating handle 4 and an indicator sign 6 are installed in the center; buoyancy block installation holes are designed on the reinforcing ribs on both sides of the load-bearing support beam 6; hydraulic cylinder 1 installation positions and positioning holes are designed symmetrically at both ends of the load-bearing support beam 6, and the telescopic rod 22 of the hydraulic cylinder 1 passes through the positioning hole of the load-bearing support beam 6 and abuts against the fixed end 17 of the underwater multi-way quick connector.

[0036] The hydraulic cylinder 1 is fixed on the load-bearing support beam 6 by bolt connection. A hot-swap female connector mounting position is welded next to the hydraulic cylinder 1 mounting position on one side of the load-bearing support beam 6. The hot-swap female connector 3 is fixed by bolt connection. A guide interface 8 is welded at the center position of the lower surface of the load-bearing support beam 6. The guide interface 8 is cylindrical and has a guide chamfer at the lower end for easy insertion.

[0037] Preferably, the hot-swappable connector has two hydraulic channels inside, which correspond to the two hydraulic interfaces of the hot-swappable female connector 3 respectively. The hydraulic channels inside the hot-swappable connector are connected to the interfaces at both ends of the hydraulic cylinder 1 through the hydraulic pipeline 7. The hydraulic cylinder 1 is a double-acting hydraulic cylinder, and the two hydraulic cylinders 1 are in parallel. A synchronization valve 18 is connected in series to the oil outlet pipeline of the hot-swappable female connector 3 to ensure that the two hydraulic cylinders 1 are extended and retracted synchronously.

[0038] The underwater multi-way quick connector is divided into a multi-way quick connector fixed end 17 and a multi-way quick connector mobile end 16. An emergency unlocking operation interface, namely a standard interface 19, is provided on the underwater multi-way quick connector mobile end 16. When in use, a suitable buoyancy block is selected according to the weight of the tool in the sea water, and is connected to the reinforcing ribs on both sides of the load-bearing support beam 6 by bolts. The hot-swappable male connector 2 pipeline is connected to the hydraulic source and inserted into the hot-swappable female connector 3 to establish a hydraulic circulation path, and check and confirm that the telescopic rods of the two hydraulic cylinders are in a retracted state.

[0039] The working steps of the underwater multi-way quick connector emergency unlocking tool in this application are as follows: Use the underwater robot to grasp the D-shaped operating handle 4, and move it to the vicinity of the emergency unlocking operating interface of the underwater multi-way quick connector mobile end 16 under the guidance of the underwater robot's visual system. Under the guidance of the underwater robot's visual system, align the guide interface of the emergency unlocking tool with the emergency unlocking operating interface. During the insertion process, turn the operating handle clockwise to align it with the letter "O" engraved on the indicator plate; Make sure that the locking device is in the open state, insert the guide interface of the emergency unlocking tool completely into the emergency unlocking operation interface, and then turn the operating handle 4 counterclockwise to align it with the letter "S" on the indicator label 5. The emergency unlocking tool is locked with the underwater multi-way quick connector moving end 16; The underwater robot is controlled to grasp the hot-swappable male connector 2, and the hot-swappable male connector 2 is inserted into the hot-swappable female connector 3 to establish a hydraulic passage. Subsequently, the hydraulic source is started to extend the telescopic rod 22 of the emergency unlocking tool hydraulic cylinder 1. The fulcrum of the telescopic rod 22 of the hydraulic cylinder 1 is on the fixed end 17 of the underwater multi-way quick connector. Under the strong push of the telescopic rod 22 of the hydraulic cylinder 1, the mobile end 16 of the underwater multi-way quick connector is detached from the inside of the fixed end 17 of the underwater multi-way quick connector, thereby realizing emergency unlocking.

[0040] The underwater multi-way quick connector emergency unlocking tool is based on the hydraulic cylinder 1 set on the load-bearing support beam 6, the telescopic rod 22 of the hydraulic cylinder 1 is in contact with the underwater multi-way quick connector, and the operating handle 4 is turned clockwise during the process of inserting the guide interface 8 of the emergency unlocking tool into the standard interface 19 to ensure that the locking device is in the open state. After the guide interface of the emergency unlocking tool is fully inserted into the standard interface 19, the operating handle 4 is turned counterclockwise, and the emergency unlocking tool is locked with the mobile end of the underwater multi-way quick connector. The present application has the advantages of simple structure, convenient operation, and high reliability, and realizes the unlocking and recovery of the underwater multi-way quick connector in an emergency state.

[0041] Obviously, the above embodiments of the present invention are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An underwater multi-way quick connector emergency unlocking tool, characterized in that: It includes a hot-swappable male head and a hot-swappable female head, the hot-swappable male head is plugged into the hot-swappable female head, the hot-swappable female head is fixedly arranged on the load-bearing support beam, a hydraulic cylinder is arranged at the end of the load-bearing support beam, the telescopic rod of the hydraulic cylinder is abutted against the fixed end of the underwater multi-way quick connector, an indicator sign is abutted on the load-bearing support beam, a guide interface is arranged at the end of the load-bearing support beam away from the indicator sign, an operating handle is plugged into the indicator sign, after the operating handle is inserted into the indicator sign and the load-bearing support beam in turn, it is clamped with the split flange in the guide interface, the operating handle is turned, the guide interface is inserted into the standard interface on the fixed end of the underwater multi-way quick connector, and the locking ear arranged on the guide interface is clamped and fixed with the standard interface.

2. The underwater multi-way quick connector emergency unlocking tool according to claim 1, characterized in that: A rectangular limit block is arranged on the operating handle, and the indication plate is arranged on the central hole of the load-bearing support beam. The operating handle is sequentially inserted into the indication plate and the central hole of the load-bearing support beam so that the rectangular limit block abuts against the indication plate.

3. The underwater multi-way quick connector emergency unlocking tool according to claim 2, characterized in that: A cylindrical limit block is arranged at one end of the central hole of the operating handle inserted into the load-bearing support beam, and the cylindrical limit block is clamped with the split flange, and the split flange is used to limit the axial movement of the cylindrical limit block.

4. The underwater multi-way quick connector emergency unlocking tool according to claim 3, characterized in that: The cylindrical limiting block is connected with a first connecting rod and a second connecting rod. One end of the first connecting rod and the second connecting rod away from the cylindrical limiting block is respectively connected with locking ears at both ends of the guide interface, and a tension spring is arranged between the locking ears.

5. The underwater multi-way quick connector emergency unlocking tool according to claim 4, characterized in that: Locking ears are symmetrically arranged on the guide interface, and a locking pin is inserted into a rectangular limiting hole of the locking ear, and the locking pin can freely extend and retract along the rectangular limiting hole.

6. The underwater multi-way quick connector emergency unlocking tool according to claim 5, characterized in that: A live bolt is arranged at one end of the lock pin inserted into the lock ear, and two ends of the tension spring are respectively hung on the live bolt.

7. The underwater multi-way quick connector emergency unlocking tool according to claim 5, characterized in that: The first connecting rod and the second connecting rod are fixedly connected with the locking pin at one end away from the cylindrical limiting block. When the operating handle is rotated, the locking pin moves horizontally in the rectangular limiting hole to be clamped to the standard interface.

8. The underwater multi-way quick connector emergency unlocking tool according to claim 1, characterized in that: Hydraulic cylinders are provided at both ends of the load-bearing support beam, and the telescopic rods of the two hydraulic cylinders are abutted against the fixed ends of the underwater multi-way quick connector. The two hydraulic cylinders are connected by hydraulic pipelines, and the hydraulic pipelines are respectively connected to the oil outlet and oil inlet of the hot-swappable female connector.

9. The underwater multi-way quick connector emergency unlocking tool according to claim 8, characterized in that: A synchronization valve is connected in series to the oil outlet pipeline of the hot-swappable female connector to ensure that the telescopic rods of the two hydraulic cylinders are extended and retracted synchronously.

10. The underwater multi-way quick connector emergency unlocking tool according to claim 8, characterized in that: Both ends of the load-bearing support beam are provided with mounting holes, and the two hydraulic cylinders are fixed on the load-bearing support beam by bolts respectively.

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