CN113944822A - Manual side pressure quick connection and disconnection device for LNG (liquefied Natural gas) conveying hose - Google Patents

Abstract

The invention relates to the technical field of marine equipment, in particular to a manual lateral pressure quick connection and disconnection device for an LNG (liquefied natural gas) conveying hose, which comprises a handle, a plurality of pressing devices and a plurality of guides, wherein the pressing devices and the guides are arranged at intervals along the outer edge of a flange of the LNG conveying hose, the handle is arranged above the flange of the LNG conveying hose, each pressing device is hinged to the bottom of the flange of the LNG conveying hose, and each guide is slidably arranged on the side wall of the flange of the LNG conveying hose and connected with the handle. The device provided by the invention has the advantages of simple structure, time-saving and labor-saving operation and stable and reliable operation, and can realize the quick compression and release of the LNG conveying hose connecting flange and the LNG conveying hard pipe flange through the lateral compression and guide.

Description

Manual side pressure quick connection and disconnection device for LNG (liquefied Natural gas) conveying hose

Technical Field

The invention relates to the technical field of marine equipment, in particular to a manual lateral pressure quick connection and disconnection device for an LNG (liquefied natural gas) conveying hose.

Background

The floating liquefied natural gas production storage and unloading device (FLNG, also known as LNG-FPSO) is a floating production device for offshore natural gas field development, is positioned at sea through a mooring system, has the functions of exploiting, processing, liquefying, storing and loading and unloading natural gas, is matched with a Liquefied Natural Gas (LNG) ship for use, and realizes the exploitation and natural gas transportation of the offshore natural gas field through an LNG pipeline and LNG quick connection and disconnection device.

The LNG quick connect disconnect-from device (QCDC) of current application adopts the mode of hydraulic unit drive hydraulic cylinder more, has arranged following problem: a hydraulic unit is required to supply hydraulic power, the hydraulic unit comprises components such as a 100% redundant hydraulic pump set, a hydraulic oil tank, an energy accumulator, a working valve and the like, the structure is complex, authorized personnel of a manufacturer are required for maintenance, the maintenance cost is high, the maintenance is difficult and the like; in addition, the LNG quick connection and disconnection device with the hydraulic execution unit is heavy, is not beneficial to movement of the hose, and needs to be matched with a crane during hoisting.

Disclosure of Invention

The invention aims to solve the technical problem of providing a manual lateral pressure quick connection and disconnection device for an LNG (liquefied natural gas) conveying hose, which has a simple structure, is time-saving and labor-saving in operation, is stable and reliable in operation, and can realize quick compression and release of an LNG conveying hose connecting flange and an LNG conveying hard pipe flange through lateral compression and guiding.

The invention is realized by the following technical scheme:

the utility model provides a manual side pressure high-speed joint disengaging device of LNG transport hose, it includes shakes hands, a plurality of collet and a plurality of director, and a plurality of collet and director set up along the outer fringe interval of LNG transport hose flange, shake hands and locate LNG transport hose flange top, every collet hinge dress is in the bottom of LNG transport hose flange, every the director slidable install on LNG transport hose flange lateral wall and with shake hands and be connected.

Further, the pressing device comprises a pressing arm, a pressing block and a pressing bolt, the pressing arm is of a C-shaped structure, the bottom of the pressing arm is hinged to the LNG conveying hose flange through a hinge shaft, a threaded hole is formed in the upper portion of the pressing arm, the pressing bolt is installed at the threaded hole, and the pressing block is fixedly installed at the bottom of the pressing bolt.

Further, the guide way has been seted up on the LNG transport hose flange outer wall, the director includes guide part and connecting portion, the guide part is the gliding installation in guide way department of vertical member, connecting portion are fixed locate the guide part top and the connecting portion outside is equipped with the draw-in groove card and locates on shaking hands.

Preferably, the connecting part is of a trapezoidal structure.

Furthermore, the cross section of the guide groove is of a convex structure, the guide part is arranged on the outer side of the guide groove, the guide part is fixedly provided with a guide rod, and the end part of the guide rod is slidably arranged on the inner side of the guide groove.

Preferably, the guide is integrally formed.

Further, a sealing cover is arranged above the LNG conveying hose flange.

The invention has the advantages of

The invention provides a manual lateral pressure quick connection and disconnection device for an LNG (liquefied natural gas) conveying hose, which has the following advantages:

1. be applied to LNG and carry hose QC/DC device with a plurality of compactors, use reliably, the fault rate is low, is favorable to continuously carrying out the LNG operation of carrying.

2. Simple structure, convenient operation does not need extra power, and the setting through a plurality of compactors compresses tightly LNG transport hose flange and LNG transport hard tube flange from the lateral part, just can realize the LNG transport hose flange and LNG transport fast compression and the loosening of hard tube flange in short time to accomplish LNG transport hose's connection and separation, realize the target of accomplishing the operation fast.

3. Through the setting of a plurality of directors for LNG transport hose flange moves more steadily reliably, can realize LNG transport hose flange and LNG transport hard tube flange's quick adjusting well.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the impactor construction;

FIG. 3 is a schematic view of a guide construction;

in the figure, 1, a handle, 2, a sealing cover, 3, an LNG conveying hose flange, 4, a guider, 5, a compactor, 6, a compaction arm, 7, a compaction bolt, 8, a pressing block, 9, a hinge shaft, 10, a connecting part, 11, a guide part, 12, a clamping groove, 13, a mounting hole and 14, a guide groove are arranged.

Detailed Description

The utility model provides a manual side pressure high-speed joint disengaging device of LNG transport hose, it is including 1 of shaking hands, a plurality of collet 5 and a plurality of director 4, can carry hard tube flange device fixed connection with LNG to shake hands, LNG transport hose connects and breaks away from the in-process, LNG transport hard tube flange device is fixed, the rigid that shakes hands promptly, the shape of shaking hands can be adapted to with the shape that LNG carried hard tube flange (not shown) and LNG transport hose flange 3, can be circular, also can be the direction, what adopt in the embodiment is circular structure.

A plurality of collet and director set up along the outer fringe interval of LNG transport hose flange, can realize the steady operation and the compressing tightly of LNG transport hose flange. The handle is arranged above the LNG conveying hose flange, each compressor is hinged to the bottom of the LNG conveying hose flange and can turn over, before compression is needed, the compressor is firstly turned over outside, the position of the LNG conveying hose flange is released, and butt joint with the LNG conveying hard pipe flange is facilitated.

Each guider is slidably mounted on the flange side wall of the LNG conveying hose and connected with the handle. The setting of a plurality of directors for LNG carries the hose flange and can follow established direction operation all the time to the in-process that LNG carried the hard tube flange to remove, and the direction two is adjusted well fast.

Further, the compactor comprises a compaction arm 6, a pressing block 8 and a compaction bolt 7, the compaction arm is of a C-shaped structure, the bottom of the compaction arm is hinged to the LNG conveying hose flange through a hinge shaft 9, a threaded hole is formed in the upper portion of the compaction arm, the compaction bolt is installed at the threaded hole, and the pressing block is fixedly installed at the bottom of the compaction bolt.

When LNG transport hose flange and LNG transport hard tube flange need the high-speed joint to carry out LNG and carry, a plurality of compactors are in the open mode, the briquetting is loosened, compress tightly the arm and overturn the back along the hinge outside, LNG transport hose flange drives LNG transport hose, a plurality of compactors remove to LNG transport hard tube flange direction, guide through a plurality of directors, make the removal of LNG transport hose flange can be along vertical direction steady removal, realize adjusting well fast and being close to the back with LNG transport hard tube flange, then inboard upset compresses tightly the arm, make the briquetting be located LNG transport hard tube flange directly over, then rotatory clamp bolt, make the clamp block move down until compressing tightly two flanges. Its structure is fairly simple, and the operation is also very labour saving and time saving, can realize carrying hose flange and LNG to carry hard tube flange rapid compression and loosen in the side.

Further, a guide groove 14 is formed in the outer wall of the flange of the LNG conveying hose, the guider comprises a guide portion 11 and a connecting portion 10, the guide portion is installed in the guide groove in a sliding mode through a vertical rod piece, the connecting portion is fixedly arranged at the top of the guide portion, a clamping groove 12 is formed in the outer side of the connecting portion, the clamping groove is arranged on the handle, and the guider is simple in structure and very convenient to assemble and disassemble.

When LNG carries hose flange and LNG to carry hard tube flange to need the high-speed joint to carry out LNG and carry, LNG carries hose flange rebound's in-process because the cooperation of director and guide way for LNG carries hose flange vertical rebound all the time, can realize LNG carries hose flange and LNG to carry hard tube flange's quick alignment.

Optimized, connecting portion are the trapezium structure for the director simple structure is firm, and the direction is reliable, and can not take place to touch the director at the in-process that LNG carries hose flange and remove.

Further, the guide way cross-section is convex structure, and the guide part has seted up mounting hole 13 on locating the guide way outside and the guide part, and mounting hole department fixed mounting has a guide bar (not shown), and the guide bar tip is gliding locates the guide way inboard. The reliability of the guide of the guider is further improved, so that the operation of the LNG conveying hose flange is more stable and reliable.

Optimized, director integrated into one piece, the preparation is convenient, and overall structure is more firm.

Further, the top of LNG transport hose flange is equipped with closing cap 2, is in the state of unclamping when LNG transport hose flange and LNG transport hard tube flange, when not carrying out LNG transport, can cover the closing cap in the top of LNG transport hose flange, prevents that the foreign matter from entering into in the LNG transport hose.

In conclusion, the LNG conveying hose manual lateral pressure quick connection and disconnection device provided by the invention has the advantages of simple structure, time and labor saving in operation, stable and reliable operation, and capability of realizing quick compression and release of the LNG conveying hose connecting flange and the LNG conveying hard pipe flange through lateral compression and guiding.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a manual side pressure high-speed joint disengaging device of LNG transport hose which characterized in that: the LNG conveying hose flange clamping device comprises a handle, a plurality of pressing devices and a plurality of guides, wherein the pressing devices and the guides are arranged at intervals along the outer edge of the LNG conveying hose flange, the handle is arranged above the LNG conveying hose flange, each pressing device is hinged to the bottom of the LNG conveying hose flange, and each guide is slidably arranged on the side wall of the LNG conveying hose flange and connected with the handle.

2. The LNG conveying hose manual lateral pressure quick connection and disconnection device as claimed in claim 1, wherein the pressing device comprises a pressing arm, a pressing block and a pressing bolt, the pressing arm is of a C-shaped structure, the bottom of the pressing arm is hinged to the LNG conveying hose flange through a hinge shaft, a threaded hole is formed in the upper portion of the pressing arm, the pressing bolt is mounted at the threaded hole, and the pressing block is fixedly mounted at the bottom of the pressing bolt.

3. The LNG conveying hose manual lateral pressure quick connection and disconnection device as claimed in claim 1, wherein a guide groove is formed in an outer wall of the LNG conveying hose flange, the guide comprises a guide portion and a connecting portion, the guide portion is a vertical rod slidably mounted in the guide groove, the connecting portion is fixedly arranged at the top of the guide portion, and a clamping groove is formed in the outer side of the connecting portion and clamped on the handle.

4. The LNG transfer hose manual lateral pressure quick connection and disconnection device of claim 3, wherein the connection portion is of a trapezoidal structure.

5. The LNG transfer hose side pressure quick connection and disconnection device as claimed in claim 3 or 4, wherein the guide groove has a convex cross section, the guide portion is disposed outside the guide groove, the guide portion is fixedly provided with the guide rod, and the end of the guide rod is slidably disposed inside the guide groove.

6. The LNG transfer hose manual lateral pressure quick-connect and disconnect device of claim 3, wherein the guide is integrally formed.

7. The LNG transfer hose manual lateral pressure quick connection and disconnection device of claim 1, wherein a sealing cover is arranged above the LNG transfer hose flange.

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