Towing fixing and disconnecting connecting device for fair lead

Abstract

The invention relates to the technical field of fair-lead connection, in particular to a fixing and disconnecting device for towing of a fair-lead. The device comprises a fixing assembly, the fixing assembly comprises a first protruding block, a telescopic rod and a first compression spring are fixedly connected between the first protruding block and the inner wall of a sleeve, and a second protruding block is fixedly arranged on the side, away from the telescopic rod, of the first protruding block. The fixing bolt penetrates through the middle of the eye plates on one sides of the two fairlead devices, then a user sleeves the bottom of the fixing bolt with the sleeve, the first protruding block and the second protruding block gradually slide into the clamping grooves in one side of the fixing bolt along with the sleeve, the fixing bolt is fixed, the device can connect the two fairlead devices at the same time, and the use is convenient. A large amount of offshore operation time is saved, meanwhile, the operation space of the connection mode is sufficient, and the risk of offshore operation is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of fairlead connection, and more specifically, to a fairlead towing fixing and releasing connection device. Background Art

[0002] As an important equipment for offshore oil development, the structure of a floating platform includes an upper module and a lower floating body, and a multi-point permanent mooring system is mostly adopted. Among them, the fairlead that plays a guiding role for the mooring system can rotate freely during its service life. During long-distance towing, in order to prevent structural collisions, the fairlead needs to be fixed and released during offshore installation to complete the permanent mooring of the floating platform. The traditional fairlead towing fixation is to fix multiple fairleads in each group in series with anchor chains to the nodes of the lower floating body of the floating platform. This connection method cannot withstand the environmental loads during ocean towing. At the same time, underwater manual operation is required during offshore release, with complex operation procedures, long construction periods, and high safety risks. In view of this, we propose a fairlead towing fixing and releasing connection device. Summary of the Invention

[0003] The purpose of the present invention is to provide a fairlead towing fixing and releasing connection device to solve the problems raised in the above background art:

[0004] The traditional fairlead connection method has insufficient load-bearing capacity and complex operation.

[0005] To achieve the above purpose, the present invention provides a fairlead towing fixing and releasing connection device, including a fixing bolt. A sleeve is sleeved on the lower side of the fixing bolt. One end of the fixing bolt slidably penetrates through the middle of the sleeve. A fixing component is arranged inside the sleeve. The fixing component includes a first convex block. A notch matching the first convex block is opened inside the sleeve. A telescopic rod and a first compression spring are fixedly connected between the first convex block and the inner wall of the sleeve. The first compression spring is arranged outside the telescopic rod. Both the telescopic rod and the first compression spring are arranged in the notch inside the sleeve. A second convex block is fixedly arranged on the side of the first convex block away from the telescopic rod.

[0006] As a further improvement of this technical solution, a card slot matching the first convex block and the telescopic rod is opened on one side of the fixing bolt. The upper side of the first convex block is designed to be inclined downward. The upper side and both sides of the second convex block are designed to be inclined towards the center position of the second convex block.

[0007] As a further improvement of this technical solution, a slider is slidably arranged inside the card slot on one side of the fixing bolt. A slide rail for limiting the slider is fixedly arranged inside the card slot.

[0008] As a further improvement of the technical solution, a second compression spring is fixedly arranged on the side of the slider away from the second convex block, and the second compression spring is fixedly arranged inside the clamping groove on one side of the fixing bolt.

[0009] As a further improvement of the technical solution, a vertical notch is formed on the side of the fixing bolt close to the second convex block. The vertical notch is arranged on one side of the clamping groove, and the size of the vertical notch matches that of the first convex block and the second convex block.

[0010] As a further improvement of the technical solution, two eye plates are arranged on one side of the fixing bolt. Both of the two eye plates are arranged on the upper side of the sleeve, and the fixing bolt slidably penetrates through one end of the two eye plates.

[0011] As a further improvement of the technical solution, a lifting lug is fixedly arranged on the upper side of the fixing bolt, and a steel cable is fixedly arranged on the upper side of the lifting lug.

[0012] As a further improvement of the technical solution, cable guiding devices are fixedly arranged at one ends of the two eye plates away from the fixing bolt, and the cable guiding devices are fixedly arranged on the lower floating body nodes of the floating platform.

[0013] As a further improvement of the technical solution, the lifting lug is used to connect the fixing bolt and the steel cable.

[0014] As a further improvement of the technical solution, the two ends of the steel cable are respectively fixedly connected to the lifting lug and the lifting position.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] In the cable guide towing fixing and releasing connection device, the user first passes the fixing bolt through the middle of the eye plates on one side of the two cable guiding devices. Then, the user sleeves the sleeve on the bottom of the fixing bolt. The first convex block and the second convex block gradually slide into the clamping groove on one side of the fixing bolt along with the sleeve, and the fixing bolt is fixed. This device can connect the two cable guiding devices simultaneously, saving a large amount of time for offshore operations. At the same time, this connection form has sufficient operating space, reducing the risk of offshore operations. Moreover, this device fixes the cable guiding device on the side away from the floating platform. For a floating platform with an outward floating structure, it can reduce the risk of the lifting member colliding with the outward floating structure, providing sufficient margin for the layout of the members. This device effectively improves the ability to resist large environmental loads during long-distance towing and meets the towing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the present invention;

[0018] Figure 2 is the enlarged structural view of part A in the invention Figure 1 in;

[0019] Figure 3 For the invention Figure 1 Top view of the structure at position A in

[0020] Figure 4 For the invention Figure 1 Bottom view of the structure at position A in

[0021] Figure 5 Schematic diagram of the fixing bolt structure of the invention

[0022] Figure 6 Cross-sectional view of the sleeve structure of the invention

[0023] Figure 7 Schematic diagram of the fixing component structure of the invention

[0024] Figure 8 Schematic diagram of the slider structure of the invention

[0025] Figure 9 Cross-sectional view of the fixing bolt structure of the invention

[0026] The meanings of the various reference numerals in the figure are as follows:

[0027] 1. Fixing bolt; 2. Sleeve; 3. Fixing component; 31. First convex block; 32. Telescopic rod; 33. First compression spring; 34. Second convex block; 35. Slider; 36. Second compression spring;

[0028] 4. Eye plate; 5. Shackle; 6. Steel cable; 7. Cable guiding device. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0031] Embodiment 1

[0032] Please refer to Figures 1-5 As shown, this embodiment provides a towing fixing and releasing connection device for a fairlead. To achieve the above object, the present invention provides a towing fixing and releasing connection device for a fairlead, which includes a fixing bolt 1. A sleeve 2 is sleeved on the lower side of the fixing bolt 1. One end of the fixing bolt 1 slidably penetrates through the middle of the sleeve 2. Two eye plates 4 are arranged on one side of the fixing bolt 1. Both of the two eye plates 4 are arranged on the upper side of the sleeve 2. The fixing bolt 1 slidably penetrates through one end of the two eye plates 4. A lifting lug 5 is fixedly arranged on the upper side of the fixing bolt 1. A steel cable 6 is fixedly arranged on the upper side of the lifting lug 5. Fixed guide devices 7 are fixedly arranged at one end of the two eye plates 4 away from the fixing bolt 1. The guide device 7 is fixedly arranged on the lower floating body node of the floating platform. The lifting lug 5 is used to connect the fixing bolt 1 and the steel cable 6. The two ends of the steel cable 6 are respectively fixedly connected to the lifting lug 5 and the lifting position. When using this device, the user first docks the eye plates 4 on one side of two adjacent guide devices 7, and then the user inserts the fixing bolt 1 into one end of the two eye plates 4 to connect the two eye plates 4. After passing the fixing bolt 1 through the two eye plates 4, the user sleeved the sleeve 2 on the bottom of the fixing bolt 1.

[0033] Please refer to Figures 1-9As shown, a fixing component 3 is arranged inside the sleeve 2. The fixing component 3 includes a first convex block 31. A notch matching the first convex block 31 is formed inside the sleeve 2. A telescopic rod 32 and a first compression spring 33 are fixedly connected between the first convex block 31 and the inner wall of the sleeve 2. The first compression spring 33 is arranged outside the telescopic rod 32. Both the telescopic rod 32 and the first compression spring 33 are arranged in the notch inside the sleeve 2. A second convex block 34 is fixedly arranged on the side of the first convex block 31 away from the telescopic rod 32. A clamping groove matching the first convex block 31 and the telescopic rod 32 is formed on one side of the fixing bolt 1. The upper side of the first convex block 31 is designed to be inclined downward. The upper side and both sides of the second convex block 34 are designed to be inclined toward the center position of the second convex block 34. When the sleeve 2 is sleeved on the bottom of the fixing bolt 1, the first convex block 31 and the second convex block 34 gradually approach the bottom of the fixing bolt 1 along with the sleeve 2 and come into contact with the fixing bolt 1. When the first convex block 31 contacts the fixing bolt 1, the fixing bolt 1 presses the first convex block 31 into the notch on one side of the sleeve 2. Then the user continues to move the sleeve 2 upward. When the first convex block 31 and the second convex block 34 pass through the clamping groove on one side of the fixing bolt 1, the first compression spring 33 immediately presses the first convex block 31 and the second convex block 34 into the clamping groove on one side of the fixing bolt 1 and fixes the fixing bolt 1. A slider 35 is slidably arranged inside the clamping groove on one side of the fixing bolt 1. A slide rail for limiting the slider 35 is fixedly arranged inside the clamping groove. The side of the slider 35 close to the second convex block 34 is designed to be inclined. When the second convex block 34 is clamped into the clamping groove on one side of the fixing bolt 1, one side of the second convex block 34 is in mutual contact with one side of the slider 35. A second compression spring 36 is fixedly arranged on the side of the slider 35 away from the second convex block 34. The second compression spring 36 is fixedly arranged inside the clamping groove on one side of the fixing bolt 1. When it is necessary to take out the fixing bolt 1, the user rotates the sleeve 2 to drive the second convex block 34 to slide toward the side close to the slider 35. Under the extrusion of the second convex block 34, the slider 35 slides into the clamping groove on one side of the fixing bolt 1. At the same time, the second convex block 34 moves toward the side close to the slider 35. A vertical notch is formed on the side of the fixing bolt 1 close to the second convex block 34. The vertical notch is arranged on one side of the clamping groove. The size of the vertical notch matches the first convex block 31 and the second convex block 34. When the second convex block 34 rotates into the vertical notch, the user moves the sleeve 2 downward. Then the user pulls the fixing bolt 1 upward and takes it out from between the two eye plates 4.

[0034] When the cable guide towing fixing and release connection device of this embodiment is used, the user first connects the eye plates 4 at one end of the two cable guide devices 7, and then the user passes the fixing bolt 1 through the eye plates 4 on one side of the two cable guide devices 7, and then the user puts the sleeve 2 on the bottom of the fixing bolt 1, and the No. 1 protrusion 31 and the No. 2 protrusion 34 gradually slide into the groove on one side of the fixing bolt 1 as the sleeve 2 slides, and fixes the fixing bolt 1. When the fixing bolt 1 needs to be removed, the user rotates the sleeve 2 and drives the No. 2 protrusion 34 to slide into the vertical groove on one side of the fixing bolt 1, and then the user pushes the sleeve 2 downward, and then the user takes out the fixing bolt 1 by pulling the fixing bolt 1 upward. The device can connect the two cable guide devices 7 at the same time, saving a lot of time for offshore operations. At the same time, this connection form has ample operating space and reduces the risk of offshore operations.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A towing fixing and releasing connection device for a fairlead, comprising a fixing bolt (1), a sleeve (2) is sleeved on the lower side of the fixing bolt (1), and one end of the fixing bolt (1) slidably penetrates through the middle of the sleeve (2), characterized in that: Inside the sleeve (2), a fixing component (3) is provided. The fixing component (3) includes a first bump (31). A notch matching the first bump (31) is formed inside the sleeve (2). A telescopic rod (32) and a first compression spring (33) are fixedly connected between the first bump (31) and the inner wall of the sleeve (2). The first compression spring (33) is arranged outside the telescopic rod (32). Both the telescopic rod (32) and the first compression spring (33) are arranged in the notch inside the sleeve (2). A second bump (34) is fixedly arranged on the side of the first bump (31) away from the telescopic rod (32).

2. The fairlead towing fixing and releasing connection device according to claim 1, characterized in that: On one side of the fixing bolt (1), a clamping groove matching the first bump (31) and the telescopic rod (32) is formed. The upper side of the first bump (31) is designed to be inclined downward. The upper side and both sides of the second bump (34) are designed to be inclined towards the center position of the second bump (34).

3. The fairlead towing fixing and releasing connection device according to claim 2, characterized in that: A slider (35) is slidably arranged inside the clamping groove on one side of the fixing bolt (1). Inside the clamping groove, a slide rail for limiting the slider (35) is fixedly arranged.

4. The fairlead towing fixing and releasing connection device according to claim 3, characterized in that: On the side of the slider (35) away from the second bump (34), a second compression spring (36) is fixedly arranged. The second compression spring (36) is fixedly arranged inside the clamping groove on one side of the fixing bolt (1).

5. The fairlead towing fixing and releasing connection device according to claim 2, characterized in that: On the side of the fixing bolt (1) close to the second bump (34), a vertical notch is formed. The vertical notch is arranged on one side of the clamping groove. The size of the vertical notch matches the first bump (31) and the second bump (34).

6. The fairlead towing fixing and releasing connection device according to claim 1, characterized in that: On one side of the fixing bolt (1), two eye plates (4) are provided. Both of the two eye plates (4) are arranged on the upper side of the sleeve (2). The fixing bolt (1) slidably penetrates through one end of the two eye plates (4).

7. The fairlead towing fixing and releasing connection device according to claim 1, characterized in that: On the upper side of the fixing bolt (1), a lifting lug (5) is fixedly arranged. On the upper side of the lifting lug (5), a steel cable (6) is fixedly arranged.

8. The fairlead towing fixing and releasing connection device according to claim 6, characterized in that: At the ends of the two eye plates (4) away from the fixing bolt (1), cable guiding devices (7) are fixedly arranged. The cable guiding devices (7) are fixedly arranged on the lower floating body nodes of the floating platform.

9. The fairlead towing fixing and releasing connection device according to claim 7, characterized in that: The lifting lug (5) is used to connect the fixing bolt (1) and the steel cable (6).

10. The fairlead towing fixing and releasing connection device according to claim 7, characterized in that: Both ends of the steel cable (6) are fixedly connected to the lifting lug (5) and the lifting position respectively.

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