CN217776809U

CN217776809U - Novel low-temperature type unloading arm QCDC end face flange separator

Info

Publication number: CN217776809U
Application number: CN202221304753.8U
Authority: CN
Inventors: 吴志平; 陆文龙; 张治国; 李振; 雷江开; 王秀全; 崔强; 司倡如; 苑伟民
Original assignee: National Pipe Network Group Beihai Lng Co ltd; China Oil and Gas Pipeline Network Corp
Current assignee: National Pipe Network Group Beihai Lng Co ltd; China Oil and Gas Pipeline Network Corp
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-11
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a novel low-temperature discharging arm QCDC end face flange separator, which belongs to the field of petrochemical industry and comprises a bearing beam, a plurality of puller hooks, a positioning assembly and a drawing assembly; the drawing assembly and the positioning assembly are both arranged on the force bearing cross beam; the drawing assembly comprises a plurality of drawing screws and a plurality of drawing nuts, the bottom of each drawing screw is fixedly connected with one of the drawing hooks, and the end part of each drawing screw is movably sleeved on the force-bearing cross beam and is connected with the force-bearing cross beam through one of the drawing nuts; the positioning assembly comprises a plurality of supporting screws and a plurality of positioning nuts; each support screw is fixedly connected to the bearing cross beam through two positioning nuts; and one side of the bottom of each puller hook is provided with an inverted hook part. The utility model discloses simple structure, easy dismounting, the operation is safe swift, has improved change rotary joint's efficiency and maintenance quality greatly, avoids end face flange impaired.

Description

Novel low-temperature type unloading arm QCDC end face flange separator

Technical Field

The utility model relates to a flange joint device field especially relates to a novel low temperature type is unloaded arm QCDC end face flange separator.

Background

The unloading arm is the key equipment for connecting the LNG ship and the receiving station and unloading the LNG. The arm of unloading is unloaded the oil filling riser through hydraulic drive, and the cooperation rotary joint carries out three-dimensional adjustment, realizes unloading the arm action, accomplishes the ship bank butt joint. QCDC is ship bank flange quick connect device, grasps the ship side flange through the action of hydraulic drive jack catch, and the wide application is the oil gas equipment of unloading. The discharging arm is directly assembled with the rotary joint by adopting QCDC (quaternary ammonium direct current), so that the structure is simplified, the space is saved, and the free rotation of the equipment in the direction vertical to the plane is realized. Along with the increase of equipment frequency of unloading, appear gradually that the rotary joint sealing member became invalid, need in time dismantle the rotary joint terminal surface, change the sealing member, otherwise will lead to the problem that the process LNG of unloading directly leaked to the environment. However, QCDC and rotary joint pass through QCDC terminal surface flange concave surface and rotary joint convex surface interference fit location, and rethread bolted connection constitutes an organic whole of constant diameter, during the maintenance operation, because the straight mouthful interference fit of concave-convex surface, and do not have direct drawing point, directly disassemble very difficult, be difficult to direct dismantlement, and the working space is limited, and maintenance operation is difficult, and conventional extracting tool and operation method cause the terminal surface flange convex surface to curl inwards very easily, cause spare part damage.

Disclosure of Invention

The utility model provides a novel low temperature type is unloaded arm QCDC end face flange separator, simple structure, easy dismounting, the operation is safe swift, has improved the efficiency and the maintenance quality of changing rotary joint greatly, avoids end face flange impaired.

In order to realize the purpose, the utility model discloses a technical scheme be:

a novel low-temperature type discharge arm QCDC end face flange separator comprises a force bearing cross beam, a plurality of puller hooks, a positioning assembly and a pulling assembly; the drawing assembly and the positioning assembly are both arranged on the force bearing cross beam; the drawing assembly comprises a plurality of drawing screw rods and a plurality of drawing nuts, the bottom of each drawing screw rod is fixedly connected with one drawing hook, and the end part of each drawing screw rod is movably sleeved on the bearing beam and is connected with the bearing beam through one drawing nut; the positioning assembly comprises a plurality of supporting screws and a plurality of positioning nuts; each supporting screw is fixedly connected to the bearing cross beam through two positioning nuts; and one side of the bottom of each puller hook is provided with an inverted hook part.

Furthermore, the cross section of the bearing beam is of an inverted U-shaped structure.

Further, the drawing assembly comprises two drawing screws and two drawing nuts; the two drawing screw rods are movably sleeved on the U-shaped transverse end of the bearing beam, one drawing screw rod is arranged at one end of the bearing beam in the length direction, and the other drawing screw rod is arranged at the other end of the bearing beam in the length direction; each drawing nut is in threaded connection with the end part of one drawing screw; the bottom of the drawing nut is abutted against the top of the U-shaped transverse end of the bearing beam.

Further, the puller hook is of a J-shaped structure, and the end part of the J-shaped transverse end of the puller hook protrudes upwards to form a barb part; the bottom of each drawing screw rod is in threaded connection with the end part of the J-shaped vertical end of one puller hook.

Further, the barb parts of the two puller hooks are arranged oppositely.

Furthermore, the positioning assembly comprises two supporting screws and four positioning nuts; the supporting screw is positioned between the two drawing screws; the end part of each supporting screw rod is in threaded connection with two positioning nuts, one positioning nut abuts against the top of the U-shaped transverse end of the force bearing cross beam, and the other positioning nut abuts against the bottom of the U-shaped transverse end of the force bearing cross beam.

The utility model has the advantages that:

the utility model discloses instrument simple structure, simple to operate, easily operation can realize realizing drawing separation of QCDC rotary joint and end flange, and the rational utilization end flange is operated the clearance between with QCDC main part, utilizes the barb portion of drawing the horse hook to dodge end flange, protects the end flange, and fixes a position drawing the position through locating component, prevents to draw the in-process skew to rock, avoids end flange impaired.

Drawings

The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the present invention;

the attached drawings are as follows:

1-bearing beam, 2-puller hook,

3-a positioning component, 4-a drawing component,

21-barb part, 31-supporting screw rod,

32-positioning nut, 41-drawing screw rod,

42-pulling the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, as long as it is not disposed at both ends within the scope defined by the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, the novel low-temperature discharge arm QCDC end face flange separator comprises a force bearing beam 1, a plurality of puller hooks 2, a positioning assembly 3 and a pulling assembly 4; the drawing assembly 4 and the positioning assembly 3 are both arranged on the bearing beam 1; the drawing assembly 4 comprises a plurality of drawing screws 41 and a plurality of drawing nuts 42, the bottom of each drawing screw 41 is fixedly connected with one drawing hook 2, and the end part of each drawing screw 41 is movably sleeved on the bearing beam 1 and is connected with the bearing beam 1 through one drawing nut 42; the positioning component 3 comprises a plurality of supporting screws 31 and a plurality of positioning nuts 32; each support screw 31 is fixedly connected to the bearing cross beam 1 through two positioning nuts 32; and one side of the bottom of each puller hook 2 is provided with an inverted hook part 21.

The cross section of the bearing cross beam 1 is of an inverted U-shaped structure. The drawing assembly 4 comprises two drawing screws 41 and two drawing nuts 42; the two drawing screws 41 are movably sleeved on the U-shaped transverse end of the force-bearing cross beam 1, one drawing screw 41 is arranged at one end of the force-bearing cross beam 1 in the length direction, and the other drawing screw 41 is arranged at the other end of the force-bearing cross beam 1 in the length direction; each drawing nut 42 is in threaded connection with the end of one drawing screw 41; the bottom of the drawing nut 42 is abutted against the top of the U-shaped transverse end of the bearing beam 1. The puller hook 2 is of a J-shaped structure, and the end part of the J-shaped transverse end of the puller hook 2 protrudes upwards to form a barb part 21; the bottom of each drawing screw rod 41 is in threaded connection with the end part of the J-shaped vertical end of one of the puller hooks 2. The barb parts 21 of the two puller hooks 2 are arranged oppositely. Specifically, an avoiding groove is formed between the barb portion 21 and the J-shaped vertical end of the puller hook 2, when the puller hook is used, the barb portion 21 of the puller hook 2 is adjusted to be in an opposite state, and the flange of the end face flange is arranged in the avoiding groove, so that the barb portion 21 abuts against a non-matching surface of the end face flange, and the matching surface on the flange is prevented from being damaged. The puller hook 2 is in threaded connection with the drawing screw rod 41, so that the disassembly and the assembly are convenient, and the working condition that the working space is small is suitable.

The positioning component 3 comprises two supporting screws 31 and four positioning nuts 32; the supporting screw 31 is positioned between the two drawing screws 41; the end part of each supporting screw rod 31 is connected with two positioning nuts 32 through threads, one positioning nut 32 abuts against the top of the U-shaped transverse end of the bearing cross beam 1, and the other positioning nut 32 abuts against the bottom of the U-shaped transverse end of the bearing cross beam 1. Specifically, the upper half part of the support screw 31 is a thread, the lower half part of the support screw 31 is a polished rod, and the end part of the polished rod is provided with a chamfer. The end part of each supporting screw rod 31 is in threaded connection with the two positioning nuts to be fixed on the bearing beam 1, the positioning nut 32 positioned at the bottom of the U-shaped transverse end of the bearing beam 1 is fixed between the two U-shaped vertical ends of the bearing beam 1, and the fixing can be realized only by screwing the positioning nut 32 at the top of the U-shaped transverse end of the bearing beam 1.

Specifically, the force-bearing beam 1, the puller hook 2, the pulling screw 41, the pulling nut 42, the support screw 31 and the positioning nut 32 are all made of SUS316 stainless steel materials.

The utility model discloses a using-way:

1) The bolts on the end face sealing flange are disassembled, the two supporting screw rods 31 are sleeved into the corresponding bolt holes, the force bearing cross beam 1 is erected on the end face flange, and the two supporting screw rods 31 are tightly matched with the corresponding bolt holes to prevent the force bearing cross beam 1 from shaking;

2) Installing a drawing screw rod 41 along the outer diameter edge of the end face flange, hooking the end face flange by using a puller hook 2, abutting a barb part 21 of the puller hook 2 on a non-matching surface, placing a flange in an avoiding groove, connecting the puller hook 2 with the drawing screw rod 41, and connecting a drawing nut 42 at the other end of the drawing screw rod 41;

3) After the drawing screw rod 41 is installed, the drawing nuts 42 at the two ends of the bearing beam 1 are simultaneously screwed clockwise, and the end face flange is gradually separated from the rotary joint.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. A novel low-temperature type discharge arm QCDC end face flange separator is characterized by comprising a force bearing cross beam, a plurality of puller hooks, a positioning assembly and a pulling assembly; the drawing assembly and the positioning assembly are both arranged on the force bearing cross beam; the drawing assembly comprises a plurality of drawing screws and a plurality of drawing nuts, the bottom of each drawing screw is fixedly connected with one of the drawing hooks, and the end part of each drawing screw is movably sleeved on the force-bearing cross beam and is connected with the force-bearing cross beam through one of the drawing nuts; the positioning assembly comprises a plurality of supporting screws and a plurality of positioning nuts; each supporting screw is fixedly connected to the bearing cross beam through two positioning nuts; and one side of the bottom of each puller hook is provided with an inverted hook part.

2. The QCDC end face flange separator of the new low temperature type discharge arm of claim 1, wherein the cross section of said force bearing beam is of inverted U-shaped configuration.

3. The QCDC end flange separator for a new cryogenic discharge arm of claim 2, wherein said drawing assembly comprises two drawing screws and two drawing nuts; the two drawing screw rods are movably sleeved on the U-shaped transverse end of the bearing beam, one drawing screw rod is arranged at one end of the bearing beam in the length direction, and the other drawing screw rod is arranged at the other end of the bearing beam in the length direction; each drawing nut is in threaded connection with the end part of one drawing screw; the bottom of the drawing nut is abutted against the top of the U-shaped transverse end of the bearing beam.

4. The novel low-temperature type discharge arm QCDC end face flange separator of claim 3, wherein said puller hook is J-shaped, the end of the J-shaped transverse end of said puller hook is upwards protruded to form a barb part; the bottom of each drawing screw is in threaded connection with the end part of the J-shaped vertical end of one puller hook.

5. The QCDC end face flange separator of the novel low temperature type discharge arm of claim 4, wherein the barb portions of both said puller hooks are oppositely disposed.

6. The QCDC end face flange separator of the new low temperature type discharge arm of claim 3, wherein said positioning assembly comprises two support screws and four positioning nuts; the supporting screw is positioned between the two drawing screws; the end part of each supporting screw rod is in threaded connection with two positioning nuts, one positioning nut abuts against the top of the U-shaped transverse end of the force bearing cross beam, and the other positioning nut abuts against the bottom of the U-shaped transverse end of the force bearing cross beam.