Quick-release connecting structure for soft steel arm type single-point mooring system

Abstract

The utility model discloses a quick release soft steel arm type single point mooring system connecting structure, which comprises a first connecting column and a second connecting column, the first connecting column is connected with a mooring leg, the second connecting column is rotatably connected with a soft steel arm, one end of the first connecting column is fixedly connected with a sleeve, the inner surface of the sleeve is provided with an internal thread, and the other end of the first connecting column is provided with an external thread. A first flange plate is fixedly mounted on the first connecting column, first mounting holes are formed in the four corners of the first flange plate correspondingly, a first arc-shaped clamping block and a first arc-shaped clamping groove are fixedly mounted on the outer wall of one end of the first connecting column, an inner column is fixedly connected to one end of the second connecting column, and external threads are formed in the outer surface of the inner column. The utility model relates to the technical field of oil transportation, in particular to a quick-release connecting structure of a soft steel arm type single-point mooring system, and solves the problems that an existing connecting structure is poor in stability, a connecting hook is easy to loosen when working in a severe environment, the risk of accidental unhooking is increased, and the use safety is low.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum transportation, in particular to a quick-release soft steel arm type single-point mooring system connection structure. Background Art

[0002] The mooring leg and the soft steel arm are usually connected by a flange or a pin to achieve the release of the mooring, providing a releasable function for the permanent mooring operation of the barge or floating platform at sea. However, the connection method of the flange or the pin is relatively cumbersome in the removal process, which takes a long time and is extremely dangerous in the stormy environment at sea. In extreme cases, if the connection between the soft steel arm and the mooring leg is not quickly removed, the mooring system may be damaged.

[0003] In order to solve the above problems, patent CN202122929458.3 discloses a quick-release soft steel arm single-point mooring system connection structure. One use of the utility model is that the cam block can push the connecting hook into the connecting groove to ensure that the connecting hook does not fall out. If disassembly is required, only the cam block needs to be rotated. After releasing the connecting hook, the mooring leg or the soft steel arm can be rotated to complete the release without removing the bolts, which greatly improves the release speed of the soft steel arm and the mooring leg.

[0004] The following defects exist in the specific implementation process: this connection structure has poor stability, the connection hook is prone to loosening when operating in harsh environments, increasing the risk of accidental unhooking, and low safety in use. Therefore, we propose a quick-release soft steel arm single-point mooring system connection structure. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a quick-release soft steel arm type single-point mooring system connection structure, which solves the problems of poor stability of the existing connection structure, easy loosening of the connection hook under harsh operating environment, increased risk of accidental unhooking, and low safety of use.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a quick-release soft steel arm type single-point mooring system connection structure, including a first connecting column and a second connecting column, the first connecting column is connected to the mooring leg, the second connecting column is rotatably connected to the soft steel arm, one end of the first connecting column is fixedly connected with a sleeve, the inner surface of the sleeve is provided with an internal thread, a first flange plate is fixedly installed on the first connecting column, and first mounting holes are respectively provided at four corners of the first flange plate, a first arc-shaped clamping block and a first arc-shaped clamping groove are fixedly installed on the outer wall of one end of the first connecting column, an inner column is fixedly connected to one end of the second connecting column, the outer surface of the inner column is provided with an external thread, a second arc-shaped clamping groove movably connected to the first arc-shaped clamping block and a second arc-shaped clamping block movably connected to the first arc-shaped clamping groove are fixedly connected on the outer wall of one end of the second connecting column, a second flange plate is fixedly installed on the second connecting column, and second mounting holes are respectively provided at four corners of the second flange plate, the first mounting hole and the second mounting hole are locked and connected by locking bolts, and a sealing ring is also embedded and installed at the matching gap between the first connecting column and the second connecting column.

[0007] Preferably, the first connecting column and the second connecting column are cylindrical, and the diameters of the first connecting column and the second connecting column are larger than the diameter of the mooring leg.

[0008] Preferably, the inner diameter of the sleeve is matched with the outer diameter of the inner column, and the sleeve is threadedly clamped on the inner column.

[0009] Preferably, the specifications of the first flange plate and the second flange plate match, and the positions of the first mounting hole and the second mounting hole match.

[0010] Preferably, the first arc-shaped block and the first arc-shaped slot are located on the same circumference of the first connecting column, the second arc-shaped slot and the second arc-shaped block are located on the same circumference of the second connecting column, the outer dimensions of the first arc-shaped block are matched with the inner dimensions of the second arc-shaped slot, and the outer dimensions of the second arc-shaped block are matched with the inner dimensions of the first arc-shaped slot.

[0011] Preferably, the inner diameter of the sealing ring is matched with the outer diameter of the sleeve, and the sealing ring is movably mounted on the sleeve.

[0012] Beneficial Effects

[0013] The utility model provides a quick-release soft steel arm type single-point mooring system connection structure. Compared with the prior art, it has the following beneficial effects:

[0014] 1. A quick-release soft steel arm single-point mooring system connection structure, wherein a first connection column is connected to a mooring leg, a second connection column is rotatably connected to the soft steel arm, one end of the first connection column is connected to a sleeve, and one end of the second connection column is connected to an inner column, the sleeve is threadedly connected to the inner column, and a first arc-shaped clamping block and a first arc-shaped clamping groove are installed on the first connection column, and a second arc-shaped clamping groove and a second arc-shaped clamping block are installed on the second connection column. When the sleeve is threadedly connected to the inner column, the first arc-shaped clamping block and the first arc-shaped clamping groove can be respectively engaged with the second arc-shaped clamping groove and the second arc-shaped clamping block to ensure that the first connection column and the second connection column will not be unhooked, so that the first connection column and the second connection column can be quickly disassembled through threaded connection and embedded clamping, thereby quickly realizing the quick release and separation of the soft steel arm and the mooring leg. The structure is simple and the stability is high, and it is suitable for use in a single-point mooring system.

[0015] 2. A quick-release soft steel arm type single-point mooring system connection structure, a first flange plate is also installed on the first connecting column, a first mounting hole is opened on the first flange plate, a second flange plate is installed on the second connecting column, a second mounting hole is opened on the second flange plate, the first mounting hole and the second mounting hole are locked and connected by locking bolts, so that further bolt fixing is added after the first connecting column and the second connecting column are fixed by threads and clamping, and the connection between the first connecting column and the second connecting column is made more stable by the triple fixing method, which can be suitable for use of ships in extremely harsh environments, avoid accidental unhooking, and increase safety protection in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the matching installation structure of the first connecting column and the second connecting column of the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of the first connecting column of the utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure of the second connecting column of the utility model.

[0020] In the figure: 1, first connecting column; 2, second connecting column; 3, sleeve; 4, first flange plate; 41, first mounting hole; 5, first arc-shaped clamping block; 6, first arc-shaped clamping groove; 7, inner column; 8, second arc-shaped clamping groove; 9, second arc-shaped clamping block; 10, second flange plate; 101, second mounting hole; 11, locking bolt; 12, sealing ring; 13, mooring leg. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides two technical solutions:

[0023] Embodiment 1:

[0024] A quick-release soft steel arm type single-point mooring system connection structure, comprising a first connection column 1 and a second connection column 2, the first connection column 1 is connected to a mooring leg 13, the second connection column 2 is rotatably connected to the soft steel arm, one end of the first connection column 1 is fixedly connected to a sleeve 3, the inner surface of the sleeve 3 is provided with an internal thread, a first flange plate 4 is fixedly installed on the first connection column 1, and first mounting holes 41 are respectively provided at the four corners of the first flange plate 4, a first arc-shaped block 5 and a first arc-shaped slot 6 are fixedly installed on the outer wall of one end of the first connection column 1, and one end of the second connection column 2 is fixedly connected to There is an inner column 7, the outer surface of the inner column 7 is provided with an external thread, the outer wall of one end of the second connecting column 2 is fixedly connected with a second arc-shaped groove 8 movably connected to the first arc-shaped block 5 and a second arc-shaped block 9 movably connected to the first arc-shaped groove 6, a second flange plate 10 is fixedly installed on the second connecting column 2, and second mounting holes 101 are respectively opened at the four corners of the second flange plate 10, the first mounting hole 41 and the second mounting hole 101 are locked and connected by locking bolts 11, and a sealing ring 12 is also embedded and installed at the matching gap between the first connecting column 1 and the second connecting column 2.

[0025] Embodiment 2:

[0026] The main difference from the first embodiment is:

[0027] A quick-release soft steel arm type single-point mooring system connection structure, wherein a first connection column 1 and a second connection column 2 are cylindrical, and the diameters of the first connection column 1 and the second connection column 2 are larger than the diameter of the mooring leg 13. The large diameter can increase the torque, thereby improving the connection stability and reliability between the mooring leg and the soft steel arm; the inner diameter of the sleeve 3 is adapted to the outer diameter of the inner column 7, and the sleeve 3 is threadedly clamped on the inner column 7, and the threaded connection is convenient for quick disassembly and assembly; the specifications of the first flange plate 4 and the second flange plate 10 match, the positions of the first mounting hole 41 and the second mounting hole 101 match, and the first mounting hole 41 and the second mounting hole 101 are locked and connected by a locking bolt 11, so that the first connection column 1 and the second connection column 2 can be bolted and fixed; the first arc-shaped clamping block 5 and the first arc-shaped clamping groove 6 are located at the same position of the first connection column 1 On a circumferential line, the second arc-shaped groove 8 and the second arc-shaped block 9 are located on the same circumferential line of the second connecting column 2, the outer dimensions of the first arc-shaped block 5 are matched with the inner dimensions of the second arc-shaped groove 8, and the outer dimensions of the second arc-shaped block 9 are matched with the inner dimensions of the first arc-shaped groove 6. When the sleeve 3 is threadedly rotated and connected to the inner column 7, the first arc-shaped block 5 and the first arc-shaped groove 6 can be respectively engaged with the second arc-shaped groove 8 and the second arc-shaped block 9 to ensure that the first connecting column 1 and the second connecting column 2 will not break free and disengage; the inner diameter of the sealing ring 12 is matched with the outer diameter of the sleeve 3, and the sealing ring 12 is movably sleeved on the sleeve 3. The sealing ring 12 increases the sealing performance of the connection between the first connecting column 1 and the second connecting column 2, reduces the corrosion of the connection caused by the entry of external water vapor, and improves the stability of the connection structure.

[0028] When the quick-release soft steel arm single-point mooring system connection structure is in use, the first connection column 1 is connected to the mooring leg 13, the second connection column 2 is rotatably connected to the soft steel arm, one end of the first connection column 1 is connected to the sleeve 3, and one end of the second connection column 2 is connected to the inner column 7, the sleeve 3 is threadedly connected to the inner column 7, and at the same time, the first arc-shaped clamping block 5 and the first arc-shaped clamping groove 6 are installed on the first connection column 1, and the second arc-shaped clamping groove 8 and the second arc-shaped clamping block 9 are installed on the second connection column 2. When the sleeve 3 is threadedly connected to the inner column 7, the first arc-shaped clamping block 5 and the first arc-shaped clamping groove 6 can be respectively engaged with the second arc-shaped clamping groove 8 and the second arc-shaped clamping block 9 to ensure that the first connection column 1 and the second connection column 2 will not be unhooked, so that the first connection column 1 and the second connection column 2 can be easily connected through the threaded connection and the chimeric clamping connection. It can be quickly disassembled, so as to quickly realize the release and separation of the soft steel arm and the mooring leg. It has a simple structure and high stability and is suitable for use in a single-point mooring system. In addition, a first flange plate 4 is installed on the first connecting column 1, and a first mounting hole 41 is provided on the first flange plate 4. A second flange plate 10 is installed on the second connecting column 2, and a second mounting hole 101 is provided on the second flange plate 10. The first mounting hole 41 and the second mounting hole 101 are locked and connected by a locking bolt 11, so that further bolt fixing is added after the first connecting column 1 and the second connecting column 2 are fixed by threads and clamping. The connection between the first connecting column 1 and the second connecting column 2 is made more stable through the triple fixing method, which can be suitable for use of ships in extremely harsh environments, avoid accidental unhooking, and increase safety in use.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-release soft steel arm type single-point mooring system connection structure, comprising a first connection column (1) and a second connection column (2), wherein the first connection column (1) is connected to a mooring leg (13), and the second connection column (2) is rotatably connected to the soft steel arm, characterized in that: One end of the first connecting column (1) is fixedly connected to a sleeve (3), the inner surface of the sleeve (3) is provided with an internal thread, a first flange plate (4) is fixedly mounted on the first connecting column (1), four corners of the first flange plate (4) are respectively provided with first mounting holes (41), a first arc-shaped clamping block (5) and a first arc-shaped clamping groove (6) are fixedly mounted on the outer wall of one end of the first connecting column (1), one end of the second connecting column (2) is fixedly connected to an inner column (7), the outer surface of the inner column (7) is provided with an external thread, and the outer wall of one end of the second connecting column (2) is fixedly connected to A second arc-shaped clamping groove (8) movably clamped with the first arc-shaped clamping block (5) and a second arc-shaped clamping block (9) movably clamped with the first arc-shaped clamping groove (6) are connected; a second flange plate (10) is fixedly mounted on the second connecting column (2); second mounting holes (101) are respectively opened at four corners of the second flange plate (10); the first mounting hole (41) and the second mounting hole (101) are locked and connected by locking bolts (11); and a sealing ring (12) is also embedded and mounted at the matching gap between the first connecting column (1) and the second connecting column (2).

2. A quick-release mild steel arm type single point mooring system connection structure according to claim 1, characterized in that: The first connecting column (1) and the second connecting column (2) are cylindrical, and the diameters of the first connecting column (1) and the second connecting column (2) are greater than the diameter of the mooring leg (13).

3. A quick-release mild steel arm type single point mooring system connection structure according to claim 1, characterized in that: The inner diameter of the sleeve (3) matches the outer diameter of the inner column (7), and the sleeve (3) is threadedly clamped on the inner column (7).

4. A quick-release mild steel arm type single point mooring system connection structure according to claim 1, characterized in that: The specifications of the first flange plate (4) and the second flange plate (10) match each other, and the positions of the first mounting hole (41) and the second mounting hole (101) match each other.

5. A quick-release mild steel arm type single point mooring system connection structure according to claim 1, characterized in that: The first arc-shaped clamping block (5) and the first arc-shaped clamping groove (6) are located on the same circumference of the first connecting column (1), and the second arc-shaped clamping groove (8) and the second arc-shaped clamping block (9) are located on the same circumference of the second connecting column (2). The outer dimensions of the first arc-shaped clamping block (5) are matched with the inner dimensions of the second arc-shaped clamping groove (8), and the outer dimensions of the second arc-shaped clamping block (9) are matched with the inner dimensions of the first arc-shaped clamping groove (6).

6. A quick-release mild steel arm type single point mooring system connection structure according to claim 1, characterized in that: The inner diameter of the sealing ring (12) is matched with the outer diameter of the sleeve (3), and the sealing ring (12) is movably sleeved on the sleeve (3).

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