CN219190085U

CN219190085U - Low-temperature valve dismounting device

Info

Publication number: CN219190085U
Application number: CN202223469312.6U
Authority: CN
Inventors: 洪宏; 黄埝; 何嘉仪; 范美伶
Original assignee: Zhaoqing Foran Natural Gas Co ltd
Current assignee: Zhaoqing Foran Natural Gas Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-16
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a low-temperature valve dismounting device, which comprises a main pipe section, a first vertical pipe, a second vertical pipe, a first transverse pipe, a dismounting mechanism and a low-temperature valve, wherein the dismounting mechanism comprises a first telescopic sleeve, a second telescopic sleeve, a first telescopic rod, three clamping pieces, a second telescopic rod, a third telescopic rod, two dismounting pieces and a connecting string, the first telescopic rod and the second telescopic rod are respectively telescopic at two ends of the first telescopic sleeve, the second telescopic sleeve is vertically arranged on the first telescopic sleeve, the third telescopic rod is arranged at the end part of the second telescopic sleeve to be telescopic, and the clamping pieces are used for clamping the first vertical pipe or the second vertical pipe or the first transverse pipe. According to the utility model, the low-temperature valve is disassembled through the disassembly and assembly mechanism, so that the damage to the pipe caused by internal stress generated among the first vertical pipe, the second vertical pipe and the first transverse pipe after the low-temperature valve is disassembled is prevented.

Description

Low-temperature valve dismounting device

Technical Field

The utility model relates to the field of natural gas pipeline transportation, in particular to a low-temperature valve dismounting device.

Background

People often need to detach, replace and maintain the low-temperature valve when detecting the pipeline in daily life, at present people detach the low-temperature valve from the pipeline by using a wrench, however, the method often needs to use the wrench to detach, and a natural gas pipeline used for connecting the low-temperature valve in the detaching process often generates internal stress to bounce the pipeline, so that the pipeline often has certain abrasion.

The utility model discloses a simple device for safely disassembling a safety valve in 2016-04-13U of Chinese patent publication No. 205155443, which comprises a gas collecting pipe, wherein one side of the gas collecting pipe is connected with an air inlet valve communicated with a pipeline, the other side of the gas collecting pipe is respectively connected with an air outlet valve communicated with two pipelines, the upper part of the gas collecting pipe is sequentially connected with a safety valve bottom valve, an air vent valve and a safety valve in series by an air vent pipeline, the pipe diameter D of the gas collecting pipe is more than 273mm, the pipe diameter D of the air vent pipeline matched with the gas collecting pipe is more than 60mm, and an air collecting bottle communicated with the pipeline is arranged at the air vent end of the air vent valve. The device has the advantages of simple structure, easy operation, convenient maintenance and safety, effectively solves the problem of safe disassembly of the safety valve during maintenance and verification, and avoids the danger and waste caused by discharging a large amount of pipeline gas. However, a simple device for safely removing a safety valve disclosed in this patent has the following disadvantages: 1. the device is not provided with a switch valve for controlling the gas to enter and exit. 2. The device does not allow for ease of disassembly of the device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a low-temperature valve dismounting device which is convenient to dismount and simple to operate.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a low temperature valve dismounting device, includes main pipe section, first riser, second riser, first violently pipe, dismouting mechanism, low temperature valve, first riser and second riser are vertical to be set up on the main pipe section, second riser top is connected first violently pipe, be connected between first riser and the first violently pipe low temperature valve, wherein dismouting mechanism includes first telescopic tube, second telescopic tube, first telescopic link, three clamping pieces, second telescopic link, third telescopic link, two dismouting pieces and connection string, first telescopic link and second telescopic link are flexible at first telescopic tube both ends respectively, second telescopic tube is vertical to be set up on first telescopic tube, and the third telescopic link sets up in second telescopic tube tip is flexible, the clamping pieces set up in first riser or second riser or first violently pipe, connect string fixed connection in first telescopic tube and with two dismouting pieces, two dismouting pieces are used for the dismouting together. The beneficial effects of the utility model are as follows: the cryogenic valve is disassembled through the disassembly and assembly parts, and in the disassembly process, the three clamping parts clamp the first vertical pipe, the second vertical pipe and the first transverse pipe, so that internal stress generated between pipelines is prevented from bouncing the pipelines.

Preferably, the clamping member comprises a first clamping jaw and a second clamping jaw, and the first clamping jaw and the second clamping jaw are matched together to press the pipeline into the clamping member. According to the utility model, the pipeline is tightly pressed between the clamping pieces through the elastic principle between the first clamping jaw and the second clamping jaw, and the dismounting mechanism is fixed with the pipeline through the clamping pieces.

Preferably, the low-temperature valve further comprises a first connecting piece, one end of the first connecting piece is connected to the tail end of the first vertical pipe, the other end of the first connecting piece is in threaded connection with the low-temperature valve, and the middle section of the first connecting piece is in a hexagon structure. According to the utility model, the hexagonal structure is arranged in the first connecting piece, so that the dismounting is convenient.

Preferably, the low-temperature valve further comprises a second connecting piece, one end of the second connecting piece is connected to the tail end of the first transverse tube, the other end of the second connecting piece is in threaded connection with the low-temperature valve, and the middle section of the second connecting piece is in a hexagonal structure. According to the utility model, the hexagonal structure is arranged in the second connecting piece, so that the disassembly is convenient.

Preferably, the first telescopic sleeve and the second telescopic sleeve are in an integrated structure. According to the utility model, the first telescopic sleeve and the second telescopic sleeve are provided with the integrated structure, so that the disassembly and replacement of the disassembly and assembly mechanism are convenient.

Preferably, the dismounting mechanism further comprises three fixing nuts, the fixing nuts are used for locking and fixing the first telescopic rod, the second telescopic rod or the third telescopic rod, and the fixing nuts are in threaded connection with the end part of the first telescopic sleeve or the end part of the second telescopic sleeve. According to the utility model, the fixing nut is arranged at the end part of the first telescopic sleeve or the end part of the second telescopic sleeve, and the first telescopic rod or the second telescopic rod or the third telescopic rod is locked and fixed by tightening the fixing nut.

Preferably, the cross section of the dismounting piece is in a semi-hexagonal structure and is used for conveniently dismounting the low-temperature valve. According to the utility model, the dismounting piece with the cross section of the semi-hexagonal structure is arranged, so that the first connecting piece or the second connecting piece can be dismounted more effort-saving.

Preferably, the gas inlet and outlet device further comprises a first switch valve and a second switch valve, wherein the first switch valve is arranged on the first vertical pipe, the first switch valve is used for opening and closing the gas inlet and outlet of the first vertical pipe, the second switch valve is arranged on the second vertical pipe, and the second switch valve is used for opening and closing the gas inlet and outlet of the second vertical pipe. The first switch valve and the second switch valve are arranged, so that the output of gas in the first vertical pipe and the output of gas in the second vertical pipe can be controlled respectively.

Drawings

FIG. 1 is a schematic diagram of the whole structure of the present utility model.

FIG. 2 is a second schematic diagram of the overall structure of the present utility model.

Fig. 3 is a partial enlarged view of the area a in fig. 2.

Fig. 4 is a partial enlarged view of the region B in fig. 2.

FIG. 5 is a third schematic diagram of the whole structure of the present utility model (with the disassembly and assembly mechanism hidden).

Fig. 6 is a schematic structural view of the dismounting mechanism in the present utility model.

1-low temperature valve, 2-first vertical pipe, 21-first switch valve, 22-first connecting piece, 3-second vertical pipe, 31-second switch valve, 4-first transverse pipe, 42-second connecting piece, 5-main pipe section, 6-dismounting mechanism, 61-first telescopic rod, 611-clamping piece, 612-first clamping jaw, 613-second clamping jaw, 62-second telescopic rod, 63-third telescopic rod, 64-fixing nut, 65-connecting string, 66-dismounting piece, 67-first telescopic sleeve and 68-second telescopic sleeve.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The following description of the embodiments of the present utility model will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present utility model, for a part, but not all of the embodiments of the present utility model, without making any inventive effort.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, a cryogenic valve dismounting device in this embodiment includes a main pipe section 5, a first vertical pipe 2, a first connecting piece 22, a second vertical pipe 3, a first horizontal pipe 4, a second connecting piece 42, a cryogenic valve 1 and a dismounting mechanism 6, wherein the first vertical pipe 2 and the second vertical pipe 3 are vertically arranged at two ends of the main pipe section 5, the first horizontal pipe 4 is transversely arranged at the top of the second vertical pipe 3, the end part of the first vertical pipe 2 is connected with the first connecting piece 22, the end part of the first horizontal pipe 4 is connected with the second connecting piece 42, and the cryogenic valve 1 is in threaded connection with the first connecting piece 22 and the second connecting piece 42.

The dismounting mechanism 6 is arranged among the first vertical pipe 2, the second vertical pipe 3 and the first transverse pipe 4, the dismounting mechanism 6 comprises a first telescopic sleeve 67, a second telescopic sleeve 68, a first telescopic rod 61, a second telescopic rod 62, a third telescopic rod 63, three fixing nuts 64, three clamping pieces 611 and two dismounting pieces 66, the second telescopic sleeve 68 is vertically arranged on the first telescopic sleeve 67, the first telescopic sleeve 67 and the second telescopic sleeve 68 are integrally formed, the first telescopic rod 61 and the second telescopic rod 62 are respectively arranged at two ends of the first telescopic sleeve 67 to stretch, the third telescopic rod 63 is arranged at the end part of the second telescopic sleeve 68 to stretch, and the fixing nuts 64 are in threaded connection with the two ends of the first telescopic sleeve 67 or the end part of the second telescopic sleeve 68 to be used for locking and fixing the first telescopic rod 61 or the second telescopic rod 62 or the third telescopic rod 63.

In addition, the clamping member 611 is disposed at an end portion of the first telescopic rod 61 or the second telescopic rod 62 or the third telescopic rod 63, the clamping member 611 includes a first clamping jaw 612 and a second clamping jaw 613, and the first clamping jaw 612 and the second clamping jaw 613 cooperate to compress the first riser 2 or the second riser 3 or the first cross pipe 4 in the clamping member 611, wherein the clamping member 611 is made of an elastic material.

The detachable member 66 is fixedly connected to the first telescopic sleeve 67 via the connection string 65, and the detachable member 66 is rotated to unscrew the first and

second connectors

22 and 42, thereby detaching the low-temperature valve 1.

In addition, a first switch valve 21 for controlling gas output is arranged on the first vertical pipe 2, a second switch valve 31 for controlling gas output is arranged on the second vertical pipe 3, the gas in the first vertical pipe 2 is controlled to enter and exit through the opening and closing of the first switch valve 21, and the gas in the second vertical pipe 3 is controlled to enter and exit through the opening and closing of the second switch valve 31.

In this embodiment, a mounting process of the low temperature valve dismounting device is as follows: first, the natural gas output end is closed, the first riser 2 and the second riser 3 are respectively arranged at two ends of the main pipeline, then, the first switch valve 21 is installed on the first riser 2, the second switch valve 31 is installed on the second riser 3, meanwhile, the first transverse pipe 4 is arranged at the end part of the second riser 3, secondly, one end of the first connecting piece 22 is connected to the end part of the first riser 2, one end of the second connecting piece 42 is connected to the end part of the first transverse pipe 4, the cryogenic valve 1 is connected to the first connecting piece 22 and the other end of the second connecting piece 42 in a threaded manner, then, the dismounting mechanism 6 is installed in the first riser 2, the second riser 3 and the first transverse pipe 4, the first telescopic rod 61 and the second telescopic rod 62 are extended out of the first telescopic sleeve 67 through the elastic fixing nut 64, the third telescopic rod 63 is extended out of the second telescopic sleeve 68, wherein a first clamping jaw 612 on the end part 611 of the first telescopic rod 61 or the end part of the second telescopic rod 62 or the end part of the third telescopic rod 63 is matched with a second clamping jaw 613 on the end part of the first telescopic rod 61 or the clamping jaw 4 to be clamped together with a clamping jaw 66 or a clamping jaw 4 of the first riser 2 or the second clamping jaw 4, and finally, the clamping jaw 2 is connected to the clamping jaw 65 is clamped and connected to the first connecting piece or the outer connecting piece 2 or the clamping jaw 42.

When the low-temperature valve 1 needs to be disassembled and replaced, larger internal stress is generated between the first vertical pipe 2 and the first transverse pipe 4, the internal stress can spring the first vertical pipe 2, the second vertical pipe 3 and the first transverse pipe 4, the clamping piece 611 in the disassembly and assembly structure is matched with the first telescopic rod 61, the second telescopic rod 62 and the third telescopic rod 63 in a clamping mode, and after the low-temperature valve 1 is disassembled, the first vertical pipe 2 and the first transverse pipe 4 can be prevented from being spring open due to huge internal stress, so that abrasion to a pipeline is reduced.

The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.

Claims

1. The utility model provides a low temperature valve dismounting device which characterized in that: the utility model provides a main pipe section (5), first riser (2), second riser (3), first violently manage (4), dismouting mechanism (6), low temperature valve (1), first riser (2) and second riser (3) vertical setting are on main pipe section (5), second riser (3) top are connected first violently manage (4), be connected between first riser (2) and first violently manage (4) the low temperature valve, wherein dismouting mechanism (6) include first telescopic sleeve (67), second telescopic sleeve (68), first telescopic link (61), three clamping piece (611), second telescopic link (62), third telescopic link (63), two dismouting piece (66) and connection string (65), first telescopic link (61) and second telescopic link (62) are respectively at first telescopic sleeve (67) both ends flexible, second telescopic sleeve (68) vertical setting is on first telescopic sleeve (67), third telescopic link (63) set up in second telescopic sleeve (68) tip (611), first telescopic link (63) or second telescopic link (611) are used for first telescopic link (3) or second telescopic link (62) are used for clamping piece (3), the connecting string (65) is fixedly connected in the first telescopic sleeve and connected with two dismounting pieces (66), and the two dismounting pieces (66) are used for jointly dismounting the low-temperature valve (1).

2. A cryogenic valve disassembly device as recited in claim 1, wherein: the clamping piece (611) comprises a first clamping jaw (612) and a second clamping jaw (613), and the first clamping jaw (612) and the second clamping jaw (613) are matched together to press a pipeline into the clamping piece (611).

3. A cryogenic valve disassembly device as recited in claim 1, wherein: the low-temperature valve is characterized by further comprising a first connecting piece (22), wherein one end of the first connecting piece (22) is connected to the tail end of the first vertical pipe (2), the other end of the first connecting piece is in threaded connection with the low-temperature valve (1), and the middle section of the first connecting piece (22) is of a hexagonal structure.

4. A cryogenic valve disassembly device as recited in claim 1, wherein: the low-temperature valve is characterized by further comprising a second connecting piece (42), wherein one end of the second connecting piece (42) is connected to the tail end of the first transverse tube (4), the other end of the second connecting piece is in threaded connection with the low-temperature valve (1), and the middle section of the second connecting piece (42) is of a hexagonal structure.

5. A cryogenic valve disassembly device as recited in claim 1, wherein: the first telescopic sleeve (67) and the second telescopic sleeve (68) are of an integrated structure.

6. A cryogenic valve disassembly device as recited in claim 1, wherein: the dismounting mechanism (6) further comprises three fixing nuts (64), the fixing nuts (64) are used for locking and fixing the first telescopic rod (61), the second telescopic rod (62) or the third telescopic rod (63), and the fixing nuts (64) are connected with the end part of the first telescopic sleeve (67) or the end part of the second telescopic sleeve (68) in a threaded mode.

7. The cryogenic valve disassembly device of claim 4, wherein: the cross section of the dismounting piece (66) is of a semi-hexagonal structure and is used for conveniently dismounting the low-temperature valve (1).

8. A cryogenic valve disassembly device as recited in claim 1, wherein: still include first ooff valve (21), second ooff valve (31), first ooff valve (21) set up in on first riser (2), first ooff valve (21) are used for opening and close the gas business turn over of first riser (2), second ooff valve (31) set up in on second riser (3), second ooff valve (31) are used for opening and close the gas business turn over of second riser (3).