CN213018854U

CN213018854U - LNG gas cylinder atmospheric pressure test auxiliary device

Info

Publication number: CN213018854U
Application number: CN202021484552.1U
Authority: CN
Inventors: 贺春影; 朱承双; 陈水生; 师为鹏; 张晶伟; 高长久; 田文龙; 于兴权; 禚佳; 董晓旻
Original assignee: Changchun Zhiyuan New Energy Equipment Co ltd
Current assignee: Changchun Zhiyuan New Energy Equipment Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-20
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a belong to LNG gas cylinder inner bag experimental technical field, specifically be an LNG gas cylinder atmospheric pressure test auxiliary device, it includes: gas cylinder inner bag, stop collar and fixed cover, gas cylinder inner bag left side is connected with the pipeline, the terminal outer wall of pipeline sets up the stop collar, the terminal outside of pipeline sets up fixed cover, fixed cover top all is provided with clamping screw with the bottom right side, fixed cover left side wall central authorities are provided with the conical head screw, the setting of mutually supporting of the mouth of pipe of conical head screw and pipeline can save the mouth of pipe closure piece, reduces the welding procedure of stifled pipe one simultaneously, reduces the procedure of cutting one before the welding valve piece, can avoid the angle mill incision simultaneously uneven, leads to the crooked and welding difficulty of valve piece location and the condition emergence of cutting maloperation gas cylinder vacuum loss.

Description

LNG gas cylinder atmospheric pressure test auxiliary device

Technical Field

The utility model relates to a LNG gas cylinder inner bag is experimental technical field, specifically is an LNG gas cylinder atmospheric pressure test auxiliary device.

Background

The LNG gas cylinder standard is stipulated, in order to guarantee the safety of the gas cylinder, the inner container of the gas cylinder needs to be subjected to a pressure test, therefore, all interfaces communicated with the outside on the inner container need to be sealed, and a vacuum interlayer pressure tube system on the inner container is communicated with the outside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LNG gas cylinder atmospheric pressure test auxiliary device can save the mouth of pipe closure piece, reduces the welding procedure of stifled pipe one simultaneously, reduces the procedure of cutting one before the welding valve member, can avoid the angle grinder incision simultaneously uneven, leads to the valve member to fix a position crooked and weld the condition emergence of difficulty and cutting maloperation gas cylinder vacuum loss.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a LNG gas cylinder atmospheric pressure test auxiliary device, it includes: gas cylinder inner bag, stop collar and fixed cover, gas cylinder inner bag left side is connected with the pipeline, the terminal outer wall of pipeline sets up the stop collar, the terminal outside of pipeline sets up fixed cover, fixed cover top all is provided with clamping screw with the bottom right side, fixed cover left side wall central authorities are provided with the conical head screw, the conical head screw sets up with the mouth of pipe of pipeline is mutually supported.

As an LNG gas cylinder atmospheric pressure test auxiliary device's an preferred scheme, wherein: the limiting sleeve is fixedly connected with the outer wall of the tail end of the pipeline, and the right end of the limiting sleeve is tightly attached to the clamping screw.

As an LNG gas cylinder atmospheric pressure test auxiliary device's an preferred scheme, wherein: the right end of the conical head screw is conical, the conical surface of the right end of the conical head screw extends into the pipe orifice of the pipeline, and a sealing rubber sleeve is arranged outside the conical surface of the right end of the conical head screw.

As an LNG gas cylinder atmospheric pressure test auxiliary device's an preferred scheme, wherein: the axis of the conical head screw is coincided with the axis of the pipeline.

As an LNG gas cylinder atmospheric pressure test auxiliary device's an preferred scheme, wherein: the external edges of the fixed sleeve are provided with fillets.

Compared with the prior art: the pipe orifice blocking piece can be saved, the welding procedure of one blocking pipe is reduced, the procedure of one cutting is reduced before the valve is welded, and meanwhile, the condition that the valve is positioned askew, the welding is difficult and the vacuum degree of the gas cylinder is lost due to the fact that the notches of the angle grinder are not uniform can be avoided.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of the present invention.

In the figure: 100 gas cylinder inner containers, 110 pipelines, 200 limiting sleeves, 300 fixing sleeves, 310 clamping screws and 320 conical head screws.

Detailed Description

The invention is further explained below with reference to the drawings:

the utility model provides a LNG gas cylinder atmospheric pressure test auxiliary device can save the mouth of pipe closure piece, reduces the welding procedure of stifled pipe one simultaneously, reduces the procedure of cutting one before the welding valve piece, can avoid the angle mill incision simultaneously uneven, leads to the condition emergence that the valve piece location is crooked and the welding is difficult and cutting maloperation gas cylinder vacuum loses, please refer to figure 1 and figure 2, include: the gas cylinder comprises a gas cylinder liner 100, a limiting sleeve 200 and a fixing sleeve 300;

referring to fig. 1 again, the gas cylinder liner 100 is connected to the pipeline 110, and the pipeline 110 is communicated with the inner cavity of the gas cylinder liner 100, so as to facilitate the gas pressure test of the gas cylinder liner 100.

Referring to fig. 1 and 2 again, the stop collar 200 is disposed on the outer wall of the end of the pipe 110, the stop collar 200 is fixedly connected to the outer wall of the end of the pipe 110 by bonding, and the stop collar 200 provides a protruding structure to cooperate with the clamping screw 310 to prevent the end of the pipe 110 from falling off from the fixing sleeve 300.

Referring to fig. 1 and 2 again, the fixing sleeve 300 includes a clamping screw 310 and a conical head screw 320, specifically, the fixing sleeve 300 is sleeved outside the end of the pipe 110, the clamping screw 310 is installed at both the top and the bottom right ends of the fixing sleeve 300, the clamping screw 310 extends into the fixing sleeve 300 to contact with the right end of the limiting sleeve 200, the limiting sleeve 200 is limited by the clamping screw 310, the end of the pipe 110 is prevented from falling off from the fixing sleeve 300, the conical head screw 320 is installed at the center of the left side wall of the fixing sleeve 300, and the conical surface of the conical head screw 320 is inserted into the pipe orifice of the pipe 110 to seal the pipe 110.

When the air pressure test device is used specifically, the fixed sleeve 300 is sleeved outside the tail end of the pipeline 110, the clamping screw 310 extends into the fixed sleeve 300 to be in contact with the right end of the limiting sleeve 200, the limiting sleeve 200 is limited by the clamping screw 310, the tail end of the pipeline 110 is prevented from falling off from the fixed sleeve 300, the conical head screw 320 is installed in the center of the left side wall of the fixed sleeve 300, the conical surface of the conical head screw 320 is inserted into the pipe orifice of the pipeline 110 to seal the pipeline 110, and the pipe orifice of the pipeline 110 is guaranteed to be airtight during an air pressure test.

The limiting sleeve 200 is fixedly connected with the outer wall of the tail end of the pipeline 110, the right end of the limiting sleeve 200 is tightly attached to the clamping screw 310, the limiting sleeve 200 is conveniently limited by the clamping screw 310 as much as possible, and the tail end of the pipeline 110 is prevented from falling off from the fixed sleeve 300.

The conical head screw 320 right-hand member is the toper, conical head screw 320 right-hand member conical surface stretches into inside the pipeline 110 mouth of pipe, conical head screw 320 right-hand member conical surface outside is provided with sealed gum cover, improves and connects the leakproofness, avoids leaking gas.

The axis of the conical head screw 320 coincides with the axis of the pipeline 110, so that the conical head screw 320 is attached to the pipe orifice of the pipeline 110, and a gap is prevented from existing after the conical head screw 320 is connected with the pipe orifice of the pipeline 110.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a LNG gas cylinder atmospheric pressure test auxiliary device which characterized in that includes: gas cylinder inner bag (100), stop collar (200) and fixed cover (300), gas cylinder inner bag (100) left side is connected with pipeline (110), the terminal outer wall of pipeline (110) sets up stop collar (200), the terminal outside of pipeline (110) sets up fixed cover (300), fixed cover (300) top all is provided with clamping screw (310) with the bottom right side, fixed cover (300) left side wall central authorities are provided with conical head screw (320), conical head screw (320) and the mouth of pipe of pipeline (110) mutually support the setting.

2. The LNG cylinder gas pressure test auxiliary device of claim 1, characterized in that the limiting sleeve (200) is fixedly connected with the outer wall of the tail end of the pipeline (110), and the right end of the limiting sleeve (200) is tightly attached to the clamping screw (310).

3. The LNG cylinder air pressure test auxiliary device of claim 1, wherein the right end of the conical head screw (320) is conical, the conical surface of the right end of the conical head screw (320) extends into the pipe orifice of the pipeline (110), and a sealing rubber sleeve is arranged outside the conical surface of the right end of the conical head screw (320).

4. The LNG cylinder gas pressure test auxiliary device of claim 1, characterized in that the axis of the conical head screw (320) is coincident with the axis of the pipeline (110).

5. The LNG cylinder gas pressure test auxiliary device of claim 1, wherein the corners of the outer part of the fixing sleeve (300) are provided with round corners.