CN218786065U - Offshore mooring leg connecting device capable of being locked and separated quickly - Google Patents

Abstract

The utility model relates to the field of oil exploitation, in particular to a marine mooring leg connecting device capable of being quickly locked and separated, which comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are respectively provided with a connecting groove and a connecting part which are matched with each other, the connecting parts are laterally inserted into the connecting grooves, a lock sleeve is sleeved on the periphery of the connecting part of the connecting grooves and the connecting parts, a lower connecting flange is fixed at the bottom of the lower connecting piece, the bottom of the lock sleeve is fixedly connected with the lower connecting flange through a lock catch, a limit spring is arranged on the lock catch, and the lock catch is fixed in a locking state by the limit spring; the lock sleeve is fixed with the lower connecting flange through the lock catch, and the elasticity of the limiting spring ensures that the lock catch is in a locking state, so that the lock sleeve is convenient to disassemble and assemble, and can avoid inevitable small-probability damage in the moving process of the driving device compared with the existing driving device locking structure, thereby improving the safety of the device.

Description

Offshore mooring leg connecting device capable of being locked and separated quickly

Technical Field

The utility model relates to an oil development field, more specifically, the utility model relates to a but marine mooring leg connecting device of quick locking separation.

Background

The main function of the single point mooring system is to position the storage barge at sea to a predetermined sea area and to be able to transport petroleum and the like to the outside. The single point mooring system is mainly connected with the storage barge through a water soft steel arm, wherein a mooring leg is one of the important components of the soft steel arm.

The mooring legs and other components such as mooring steel arms are usually separated by connecting flanges or pins to provide a releasable function for the barge or floating platform to be permanently moored at sea. However, the connection mode of the connecting flange or the pin shaft is complicated in the installation and removal process, needs to consume long time, and is extremely dangerous in the offshore windy and wavy environment.

The mooring leg connecting device capable of realizing quick locking and separation is connected through mutual meshing of two connecting pieces and fixing of a lock sleeve as shown in a publication number CN109099034A, and the position of the lock sleeve is fixed through a driving device. The reliability of the driving device directly influences the safety of the whole mooring system, but because the marine environment is severe, the driving device is difficult to ensure that the lock sleeve can be effectively locked under the action of strong marine corrosion, and the connection is kept reliable; and the maintenance and repair of the driving device are frequent, and sometimes even the locking and separating time is occupied.

Therefore, a new connecting device for a mooring leg of a single point mooring system is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solve the problem that the connection reliability of current single point mooring system mooring leg is poor, need frequent maintenance.

According to the utility model discloses an aspect provides a but marine mooring leg connecting device of quick locking separation, including last connecting piece and lower connecting piece, go up the connecting piece and all be provided with the spread groove and the connecting portion of mutual matching on the connecting piece down, the connecting portion side direction is inserted in the spread groove, the spread groove with the junction periphery cover of connecting portion is equipped with the lock sleeve, the connecting piece bottom is fixed with down flange down, the bottom of lock sleeve with through hasp fixed connection between the flange down, be provided with limit spring on the hasp, limit spring is used for fixing the hasp is in lock state.

According to the scheme, after the connecting part is laterally inserted into the connecting groove, the lock sleeve is sleeved at the connecting part to prevent the connecting part from laterally moving out of the connecting groove, so that the upper connecting part and the lower connecting part are locked and fixed; the lock sleeve is fixed with the lower connecting flange through the lock catch, and the elasticity of the limiting spring ensures that the lock catch is in a locking state, so that the lock sleeve is convenient to disassemble and assemble, and can avoid inevitable small-probability damage in the moving process of the driving device compared with the existing driving device locking structure, thereby improving the safety of the device.

Preferably, the lock catch comprises a connecting hook fixed to the bottom of the lock sleeve and a hook groove arranged on the lower connecting flange, and the connecting hook is inserted into the hook groove to be fixedly connected through rotation.

Through this scheme, the lock sleeve supports to flange back down downwards, and rotatory lock sleeve makes the coupling hook insert and locks fixedly in the hook groove, operates convenient and fast more.

Preferably, the hooking groove comprises an insertion part extending along the axial direction of the lower connecting flange, a fixing part perpendicular to the insertion part, and a hooking part parallel to the insertion part, the fixing part is arranged on one side of the bottom of the insertion part, and the hooking part is arranged on the top of one end of the fixing part; and a hook part matched with the hook connecting part is arranged on the connecting hook.

Through this scheme, the rotatory back rebound that inserts in the fixed portion of coupling hook makes hook portion insert in the hookup portion, can fix the coupling hook, avoids the unhook risk that the proper motion rotation of lock sleeve caused, improves the reliability of this device.

Preferably, the top of the upper connecting piece is provided with an upper connecting flange, the limiting spring is sleeved on the upper connecting piece, two ends of the limiting spring are respectively fixed on the upper connecting flange and the lock sleeve, and the limiting spring always exerts upward pulling force on the lock sleeve.

Through the scheme, the limiting spring can upwards tension the lock sleeve, so that the hook part can be inserted into the hook connecting part, and unhooking caused by downward movement and rotation of the lock sleeve is avoided; when the lock sleeve is disassembled, only external force is needed to be applied to enable the lock sleeve to move downwards and rotate reversely.

Preferably, the hooking groove is provided at a circumferential surface of the lower coupling flange.

Through this scheme, the convenience is operated in order to realize the unhooking to the lock sleeve to and the convenience adds maintenance measures such as lubricating oil to the junction, improves the convenience of operation and maintenance.

The utility model discloses a technological effect lies in, this device simple structure, convenient operation compares in needs drive arrangement to carry out the scheme that the lock sleeve is fixed, and this device reliability is higher, and the cost is lower moreover.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a quick-locking detachable marine mooring leg connecting device according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the quick lock disconnect marine mooring leg attachment of fig. 1.

Fig. 3 is a schematic view of a coupling structure of the lock sleeve and the lower coupling flange of fig. 1.

Fig. 4 is a schematic structural diagram of the positions of the connecting portion and the connecting groove in fig. 2.

Reference numerals are as follows: 110. an upper connecting piece; 120. a lower connecting member; 102. connecting grooves; 101. a connecting portion; 130. a lock sleeve; 140. a lower connecting flange; 150. a limiting spring; 160. an upper connecting flange; 200. locking; 210. a connecting hook; 220. a hook groove; 221. an insertion portion; 222. a fixed part; 223. a hooking portion; 211. a hook part.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The embodiment is as follows: as shown in fig. 1 to 4, the quick-locking and separable offshore mooring leg connecting device in this embodiment includes an upper connecting member 110 and a lower connecting member 120, wherein the upper connecting member 110 and the lower connecting member 120 are respectively provided with a connecting groove 102 and a connecting portion 101 that are matched with each other, the connecting portion 101 is laterally inserted into the connecting groove 102, a lock sleeve 130 is sleeved on an outer periphery of a connection portion between the connecting groove 102 and the connecting portion 101, a lower connecting flange 140 is fixed to a bottom of the lower connecting member 120, a bottom of the lock sleeve 130 is fixedly connected to the lower connecting flange 140 through a lock catch 200, the lock catch 200 is connected to a limit spring 150, and the limit spring 150 is used for fixing the lock catch 200 in a locking state.

By the scheme of this embodiment, after the connecting portion 101 is laterally inserted into the connecting groove 102, the locking sleeve 130 is sleeved at the connecting portion to prevent the connecting portion 101 from laterally moving out of the connecting groove 102, so as to lock and fix the upper connecting member 110 and the lower connecting member 120; the lock sleeve 130 is fixed with the lower connecting flange 140 through the lock catch 200, and the lock catch 200 is in a locking state through the elasticity of the limiting spring 150, so that the lock sleeve is convenient to disassemble and assemble, and can avoid inevitable small-probability damage in the moving process of the driving device compared with the existing driving device locking structure, and the safety of the device is improved.

In this embodiment or other embodiments, the lock catch 200 includes a coupling hook 210 fixed to the bottom of the lock sleeve 130 and a hook groove 220 disposed on the lower coupling flange 140, and the coupling hook 210 is rotatably inserted into the hook groove 220 for coupling and fixing. After the lock sleeve 130 is pushed downward to the lower connecting flange 140, the lock sleeve 130 is rotated to enable the connecting hook 210 to be inserted into the hook groove 220 for locking and fixing, and the operation is more convenient and faster. Only axial push-pull force and bending force perpendicular to the axial direction can be generated between the mooring legs, and the rotation condition can not be generated, so that the rotation of the lock sleeve 130 can not be caused, and the mooring structure is more reliable.

In this embodiment or other embodiments, the hook groove 220 includes an insertion portion 221 extending axially along the lower connecting flange 140, a fixing portion 222 perpendicular to the insertion portion 221, and a hooking portion 223 parallel to the insertion portion 221, the fixing portion 222 is disposed at a bottom side of the insertion portion 221, and the hooking portion 223 is disposed at a top of one end of the fixing portion 222; the coupling hook 210 is provided with a hook 211 matching with the hooking part 223. The connecting hook 210 is inserted into the fixing portion 222 in a rotating manner and then moves upwards, so that the hook portion 211 is inserted into the hooking portion 223, and the hooking portion 223 can fix the connecting hook 210, thereby avoiding the unhooking risk caused by the self-rotation of the lock sleeve 130 and improving the reliability of the device.

In this embodiment or other embodiments, an upper connecting flange 160 is disposed at the top of the upper connecting member 110, the limiting spring 150 is sleeved on the upper connecting member 110, and both ends of the limiting spring 150 are respectively fixed to the upper connecting flange 160 and the lock sleeve 130, and the limiting spring 150 always applies an upward pulling force to the lock sleeve 130. The limiting spring 150 can strain the lock sleeve 130 upwards, so that the hook part 211 can be inserted into the hook connecting part 223, and unhooking caused by downward movement and rotation of the lock sleeve 130 is avoided; when the lock sleeve 130 is detached, only an external force is applied to move the lock sleeve down and rotate the lock sleeve in the reverse direction.

In this or other embodiments, the hooking groove 220 is formed on the circumference of the lower coupling flange 140. The convenient lock sleeve 130 of operating in order to realize the unhook to and the convenience adds maintenance measures such as lubricating oil to the junction, improve the convenience of operation and maintenance.

The technical effect of this embodiment lies in, this device simple structure, convenient operation, compare in the scheme that needs drive arrangement to carry out the lock sleeve fixed, this device reliability is higher, and the cost is lower moreover.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (5)

1. The utility model provides a but marine mooring leg connecting device of quick locking separation, includes connecting piece and lower connecting piece, go up the connecting piece and all be provided with the spread groove and the connecting portion of mutual matching on the connecting piece down, the connecting portion side direction is inserted in the spread groove, the spread groove with the junction periphery cover of connecting portion is equipped with the lock sleeve, a serial communication port, the connecting piece bottom is fixed with flange down, the bottom of lock sleeve with through hasp fixed connection between the flange down, be connected with limit spring on the hasp, limit spring is used for fixing the hasp is in the lock state.

2. The quick-lock disconnect offshore mooring leg connection device of claim 1, wherein the shackle comprises a coupling hook fixed to the bottom of the lock sleeve and a hook groove provided in the lower coupling flange, the coupling hook being fixedly coupled by being rotatably inserted into the hook groove.

3. The quick-lock disconnect offshore mooring leg connection device according to claim 2, wherein the hooking recess comprises an insertion portion extending axially along the lower connection flange, a fixing portion perpendicular to the insertion portion, and a hooking portion parallel to the insertion portion, the fixing portion being disposed at a bottom side of the insertion portion, the hooking portion being disposed at an end top of the fixing portion; and a hook part matched with the hook connecting part is arranged on the connecting hook.

4. The quick-locking offshore mooring leg connection device according to claim 3, wherein an upper connection flange is provided at the top of the upper connection member, the limiting spring is sleeved on the upper connection member and has both ends fixed to the upper connection flange and the lock sleeve, respectively, and the limiting spring always exerts an upward pulling force on the lock sleeve.

5. A quick-lock disconnectable offshore mooring leg connection device according to any of claims 2-4, characterized in that said hook groove is provided at the circumference of said lower connection flange.

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