CN211219453U

CN211219453U - Zirconium and zirconium alloy pipeline welding protection frock

Info

Publication number: CN211219453U
Application number: CN201922084506.6U
Authority: CN
Inventors: 戴�峰; 何家根; 林杰; 梅亮; 陈康
Original assignee: Jiangsu Jiang'an Group Co ltd
Current assignee: Jiangsu Jiang'an Group Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-11
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a zirconium and zircaloy pipeline welding protection frock, welding pipe and both sides including the centre are used for fixed first fixed pipe and the fixed pipe of second of treating the zircaloy pipeline, the both ends head in the inside welding chamber of welding pipe all inlays and is equipped with the rotation spout, and the tip of the fixed pipe of first fixed pipe and second is equipped with the annular slider that matches with the rotation spout, and it is as an organic whole to rotate through rotation spout and annular slider between welding pipe, the fixed pipe three of first fixed pipe and second, and the one end that annular slider was kept away from to the fixed pipe of first fixed pipe and second all is provided with scissor hand and staple bolt, scissor hand articulates on the pipe wall of the fixed pipe of first fixed pipe or second through the pivot, staple bolt and scissor hand rigid coupling, scissor hand pass through elastic component and the fixed pipe elastic connection of first fixed pipe and second.

Description

Zirconium and zirconium alloy pipeline welding protection frock

Technical Field

The utility model relates to a zirconium material welding protection frock technical field specifically is a zirconium and zirconium alloy pipeline welding protection frock.

Background

Zirconium and zirconium alloys have excellent nuclear performance and corrosion resistance, are widely used in nuclear power engineering, and gradually enter the chemical industry. However, in the process of welding zirconium and zirconium alloy, in order to avoid the problems that the welding quality is not too high, such as reduced toughness, increased brittleness and the like of the pipeline, inert gas is required for protection, so that the existing zirconium and zirconium alloy pipeline welding protection tool has the defects of complex equipment and complex operation;

therefore, the utility model discloses it is necessary to provide a zirconium and zirconium alloy pipeline welding protection frock of convenient operation, flexible structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zirconium and zirconium alloy pipeline welding protection frock to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a zirconium and zircaloy pipeline welding protection frock, is used for the fixed first fixed pipe and the fixed pipe of second of waiting to weld the zircaloy pipeline including middle welding pipe and both sides, the both ends head in the inside welding chamber of welding pipe all inlays and is equipped with the rotation spout, and the tip of the fixed pipe of first fixed pipe and second is equipped with the annular slider that matches with the rotation spout, and rotate through rotation spout and annular slider between welding pipe, the fixed pipe three of first fixed pipe and second and be connected as an organic wholely, and the one end that annular slider was kept away from to the fixed pipe of first fixed pipe and second all is provided with scissor hand and staple bolt, scissor hand articulates on the pipe wall of the fixed pipe of first fixed pipe or second through the pivot, staple bolt and scissor hand rigid coupling, scissor hand pass through elastic component and the fixed pipe elastic connection of first fixed pipe and second.

As an optimal technical scheme, offer on the welding pipe and supply welder male welder to enter the mouth, air inlet and the gas outlet of being connected with air feeder, welder entry, air inlet and gas outlet all communicate the welding chamber.

As an optimal technical scheme of the utility model, the pipeline inoxidizing coating has been laid to the medial surface of staple bolt.

As an optimized technical scheme of the utility model, still be provided with the observation window around the welder entry.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a zirconium and zirconium alloy pipeline welding protection frock, through the setting of rotating the connection between welding pipe, first fixed pipe and the second fixed pipe three, and scissors hand and the staple bolt of setting up at first fixed pipe and second fixed pipe tip, during the welding, the operation personnel will wait to weld the zirconium alloy pipeline and pass first fixed pipe and second fixed pipe and insert in the welding pipe, and fix the pipeline of waiting to weld with scissors hand and staple bolt, then insert welder from welder entrance in the welding chamber, use gas supply device to let in argon gas from the air inlet to the welding chamber, later weld, the operation personnel welds while welding, observe from the observation window, when this welding is finished, rotate first fixed pipe and second fixed pipe and turn the next welding point of pipeline to welder entrance, until the whole welding of pipeline is finished, to sum up, this protection frock simple structure, convenient operation.

Drawings

FIG. 1 is a cross-sectional view of a welded tube, a first stationary tube, and a second stationary tube of the present invention;

fig. 2 is an explosion diagram of the welded pipe, the first fixed pipe and the second fixed pipe of the present invention.

In the figure: 1. welding the pipe; 2. a first stationary tube; 3. a second stationary tube; 4. a welding cavity; 5. rotating the chute; 6. an annular slider; 7. a scissor hand; 8. hooping; 9. a rotating shaft; 10. an elastic member; 11. a torch inlet; 12. an air inlet; 13. an air outlet; 14. and (4) a pipeline protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a zirconium and zirconium alloy pipeline welding protection tool comprises a welding pipe 1 in the middle, a first fixing pipe 2 and a second fixing pipe 3 which are used for fixing a zirconium alloy pipeline to be welded on two sides, the two ends of the welding cavity 4 in the welding pipe 1 are embedded with rotating chutes 5, the end parts of the first fixed pipe 2 and the second fixed pipe 3 are provided with annular sliders 6 matched with the rotating chutes 5, the welding pipe 1, the first fixed pipe 2 and the second fixed pipe 3 are rotationally connected into a whole through the rotating chutes 5 and the annular sliders 6, and one ends of the first fixed pipe 2 and the second fixed pipe 3 far away from the annular slide block 6 are respectively provided with a scissor handle 7 and a hoop 8, the scissor hand 7 is hinged on the pipe wall of the first fixed pipe 2 or the second fixed pipe 3 through a rotating shaft 9, staple bolt 8 and scissors hand 7 rigid coupling, scissors hand 7 pass through elastic component 10 and first fixed pipe 2 and the fixed pipe 3 elastic connection of second.

Furthermore, a welding gun inlet 11 for inserting a welding gun, an air inlet 12 connected with an air supply device and an air outlet 13 are formed in the welding pipe 1, and the welding gun inlet 11, the air inlet 12 and the air outlet 13 are all communicated with the welding cavity 4.

Furthermore, a pipeline protective layer 14 is laid on the inner side face of the hoop 8, and the pipeline protective layer has the function of protecting a pipeline.

Furthermore, the periphery of the welding gun inlet 11 is provided with observation windows, so that operators can observe the welding condition of the pipeline conveniently.

The working principle is as follows:

during welding, the operator inserts the zirconium alloy pipeline to be welded into the welding cavity 4 of the welding pipe 1 through the first fixed pipe 2 and the second fixed pipe 3, fixes the pipeline to be welded by using the scissor handle 7 and the hoop 8, inserts the welding gun into the welding cavity 4 from the welding gun inlet 11, and introduces argon gas into the welding cavity 4 from the air inlet 12 by using the air supply device, and then performs welding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The zirconium and zirconium alloy pipeline welding protection tool is characterized by comprising a middle welding pipe (1), a first fixing pipe (2) and a second fixing pipe (3), wherein the two sides of the first fixing pipe (2) and the second fixing pipe (3) are used for fixing a zirconium alloy pipeline to be welded, rotating chutes (5) are embedded in two ends of a welding cavity (4) in the welding pipe (1), annular sliders (6) matched with the rotating chutes (5) are arranged at the end parts of the first fixing pipe (2) and the second fixing pipe (3), the welding pipe (1), the first fixing pipe (2) and the second fixing pipe (3) are rotatably connected into a whole through the rotating chutes (5) and the annular sliders (6), scissors hands (7) and anchor ears (8) are arranged at one ends, far away from the annular sliders (6), of the first fixing pipe (2) and the second fixing pipe (3), the scissors hands (7) are hinged to the upper pipe wall of the first fixing pipe (2) or the second fixing pipe (3) through rotating shafts (9), staple bolt (8) and scissors hand (7) rigid coupling, scissors hand (7) pass through elastic component (10) and first fixed pipe (2) and second fixed pipe (3) elastic connection.

2. The zirconium and zirconium alloy pipeline welding protection tool according to claim 1, wherein a welding gun inlet (11) for inserting a welding gun, an air inlet (12) and an air outlet (13) connected with an air supply device are formed in the welding pipe (1), and the welding gun inlet (11), the air inlet (12) and the air outlet (13) are all communicated with the welding cavity (4).

3. The zirconium and zirconium alloy pipeline welding protection tool as claimed in claim 1, wherein a pipeline protection layer (14) is laid on the inner side face of the hoop (8).

4. The zirconium and zirconium alloy pipeline welding protection tool according to claim 2, wherein an observation window is further arranged around the welding gun inlet (11).