Gas protection dragging cover tool

By designing a gas-protected drag shield fixture, the problem of external protection of weld seams in titanium alloy pipe welding was solved, enabling single-person operation and efficient welding, reducing costs and improving quality.

CN223518836UActive Publication Date: 2025-11-07DALIAN XINCHUAN HEAVY IND MARINE FITTING EQUIP CO
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Patent Information

Application Number
CN202422589481.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-11-07
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

Traditional titanium alloy pipe welding requires two people to work together, and it is difficult to achieve external protection of the weld, which affects the welding quality and efficiency.

Method used

Design a gas protection drag shield tooling, including stainless steel plate, pipe, screen and heat-resistant silicone plate, forming an integrated structure. Single person can complete welding and protect the weld. Multi-layer fine screen is used to divert argon gas and avoid gas turbulence.

Benefits of technology

This technology enables a single person to complete titanium alloy welding, reducing labor costs by 50%, increasing work efficiency, and improving welding quality.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223518836U_ABST
    Figure CN223518836U_ABST
Patent Text Reader

Abstract

The utility model discloses a gas protection dragging cover tool, which belongs to the technical field of safety protection and comprises a first stainless steel plate, second stainless steel plates are arranged on two sides below the first stainless steel plate, and stainless steel pipes are arranged below the second stainless steel plates; a fine filter screen is attached to the lower plate face of the first stainless steel plate, and a coarse filter screen is attached to the lower portion of the fine filter screen. A U-shaped hole is formed in the front end of the upper portion of the first stainless steel plate, the opening direction of the U-shaped hole faces the front end of the first stainless steel plate, the arc vertical plate is embedded in the U-shaped hole, and a stainless steel hoop is arranged on the inner wall of the arc vertical plate; a drill hole is formed in the center above the first stainless steel plate, and the air inlet pipe is embedded in the drill hole; a tail plug pipe is arranged at the tail end of the first stainless steel plate, and a groove used for containing the heat-resisting silica gel plate is formed in the inclined lower portion of the tail plug pipe. The device can be integrated with a welding gun, welding operation and weld joint protection can be completed by only one person in construction, meanwhile, the working efficiency can be improved, and the labor cost can be reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safety protection, more particularly to a gas protection drag cover tool. BACKGROUND

[0002] The traditional titanium alloy pipe welding construction method needs two people to cooperate, that is, one person welds and the other person pushes the external gas protection drag cover; and the two people need to be well matched, the pushing speed of the drag cover cannot affect the welding operation, and the uncooled weld metal needs to be prevented from contacting air to avoid oxidation; if the pipe diameter is small, it is more difficult to match the construction. SUMMARY

[0003] In the welding process of titanium alloy pipe, not only the inside of the pipe needs to be protected by argon, but also the outside of the weld needs to be protected by argon to prevent the weld from being oxidized and discolored, which affects the weld quality. Since the protection range of the welding gun porcelain nozzle is limited, a gas protection drag cover needs to be made for external protection of the weld, so that the welding pool and the uncooled weld metal are not oxidized, to meet the weld quality requirements. The present application provides a gas protection drag cover tool, which is a light protection drag cover that can be integrated with the welding gun. In the construction, only one person can complete the welding operation and the weld protection, and the work efficiency can be improved and the labor cost can be reduced.

[0004] In order to achieve the above purpose, the present application provides a gas protection drag cover tool, which comprises a first stainless steel plate, two second stainless steel plates are arranged on the lower sides of the first stainless steel plate, and a stainless steel pipe is arranged below the second stainless steel plates; a fine filter screen is attached to the lower surface of the first stainless steel plate, and a coarse filter screen is attached below the fine filter screen;

[0005] A U-shaped hole is formed in the upper front end of the first stainless steel plate, the opening direction of the U-shaped hole faces the front end of the first stainless steel plate, a circular arc stand is embedded in the U-shaped hole, and a stainless steel clamp is arranged on the inner wall of the circular arc stand; a drill hole is formed in the upper center of the first stainless steel plate, and an air inlet pipe is embedded in the drill hole; a tail plug pipe is arranged at the end of the first stainless steel plate, and a recess for placing a heat-resistant silica gel plate is formed in the obliquely lower side of the tail plug pipe;

[0006] The stainless steel clamp comprises a sleeve ring part and a locking part, the sleeve ring part is provided with an opening, the locking part comprises a third stainless steel plate and a fourth stainless steel plate, the third stainless steel plate and the fourth stainless steel plate are arranged opposite to each other at the two ends of the opening of the sleeve ring part, screw holes are formed in the opposite positions of the third stainless steel plate and the fourth stainless steel plate, respectively, a screw is connected in series in the two screw holes, and a nut is threadedly connected to the tail part of the screw.

[0007] Preferably, the first stainless steel plate is arc-shaped, and the shape of the connecting surface between the stainless steel pipe and the first stainless steel plate is adapted to the arc of the first stainless steel plate.

[0008] Preferably, the stainless steel pipe is welded below the second stainless steel plate, and the second stainless steel plate is welded on both sides below the first stainless steel plate.

[0009] Preferably, the stainless steel pipe is a hollow pipe, and the stainless steel pipe is provided with a slot, and one end of the heat-resistant silica gel plate is clamped in the slot of the stainless steel pipe.

[0010] Preferably, 3-8 layers of fine filter screens are attached to the plate surface below the first stainless steel plate.

[0011] In some embodiments of the present application, 5-8 layers of fine filter screens are attached to the plate surface below the first stainless steel plate.

[0012] Preferably, the outer wall of the air inlet pipe is closed and welded in the drill hole.

[0013] Preferably, the air inlet pipe is bent to a certain arc to form an L shape.

[0014] Preferably, the locking part is arranged opposite to the circular arc stand on both sides of the sleeve ring part.

[0015] Preferably, the second stainless steel plate is arc-shaped, and the arc opening of the second stainless steel plate is arranged inward.

[0016] Preferably, the sleeve ring part and the locking part are integrally connected.

[0017] In some embodiments of the present application, the selected materials are shown in the following table:

[0018]

[0019] In some embodiments of the present application, the angle of the slot of the stainless steel pipe is 15-20°, preferably 18°.

[0020] In some embodiments of the present application, the width of the slot of the stainless steel pipe is 2-4 cm, preferably 3 cm.

[0021] In some embodiments of the present application, the ratio of the width of the slot of the stainless steel pipe to the diameter of the stainless steel pipe is 1:2.

[0022] The beneficial effect of the present application is that the present application is a light protective cover which can be integrated with a welding gun, and one person can complete the welding operation and protect the weld during construction, and the original Φ60*3.5mm titanium alloy welding time is 40min, and two people are needed to cooperate to process, if the degree of tacit cooperation of two people during the construction process is not enough, the welding quality and welding efficiency will be affected. The present application can complete the titanium alloy welding by one person and the required time is 30min, the labor cost is reduced by 50%, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the front view of the present application;

[0024] Figure 2 is the top view of the present application;

[0025] Figure 3 is the left view of the present application;

[0026] Figure 4 is the cross-sectional view of the stainless steel pipe of the present application.

[0027] In the figure, 1 is a stainless steel clamp, 2 is a circular arc vertical plate, 3 is a first stainless steel plate, 4 is a stainless steel pipe, 5 is a heat-resistant silica gel plate, 6 is an air inlet pipe, 7 is a fine filter screen, 8 is a coarse filter screen, 9 is a tail plug pipe, 10 is a second stainless steel plate, 11 is a third stainless steel plate, and 12 is a fourth stainless steel plate. DETAILED DESCRIPTION

[0028] The present application will be further described below in conjunction with the embodiments and the drawings.

[0029] A gas protection cover tool, comprising a first stainless steel plate 3, two second stainless steel plates 10 are arranged below the first stainless steel plate 3, and a stainless steel pipe 4 is arranged below the second stainless steel plate 10; a fine filter screen 7 is arranged on the lower surface of the first stainless steel plate 3, and a coarse filter screen 8 is arranged below the fine filter screen 7;

[0030] A U-shaped hole is formed in the upper front end of the first stainless steel plate 3, the opening direction of the U-shaped hole is towards the front end of the first stainless steel plate 3, a circular arc vertical plate 2 is embedded in the U-shaped hole, and a stainless steel clamp 1 is arranged on the inner wall of the circular arc vertical plate 2; a drill hole is formed in the upper center of the first stainless steel plate 3, and an air inlet pipe 6 is embedded in the drill hole; a tail plug pipe 9 is arranged at the end of the first stainless steel plate 3, and a recess for placing a heat-resistant silica gel plate is formed in the obliquely lower side of the tail plug pipe 9;

[0031] The stainless steel clamp 1 comprises a collar part and a locking part, the collar part is provided with an opening, the locking part comprises a third stainless steel plate 11 and a fourth stainless steel plate 12, the third stainless steel plate 11 and the fourth stainless steel plate 12 are oppositely arranged at both ends of the opening of the collar part, and bolt holes are respectively arranged at opposite positions of the third stainless steel plate 11 and the fourth stainless steel plate 12, bolts are connected in series in the two bolt holes, and nuts are threadedly connected with tail parts of the bolts.

[0032] The first stainless steel plate 3 is arc-shaped, and the shape of the connecting surface between the stainless steel pipe 4 and the first stainless steel plate 3 is adapted to the arc of the first stainless steel plate 3.

[0033] The stainless steel pipe 4 is welded below the second stainless steel plate 10, and the second stainless steel plate 10 is welded on both sides below the first stainless steel plate 3.

[0034] The stainless steel pipe 4 is a hollow pipe, the stainless steel pipe 4 is provided with a slot, and one end of the heat-resistant silica gel plate 5 is clamped at the slot of the stainless steel pipe 4.

[0035] Three layers of fine filter screens 7 are attached to the lower surface of the first stainless steel plate 3.

[0036] The outer wall of the air inlet pipe 6 is closed and welded in the drill hole.

[0037] The air inlet pipe 6 is bent by a certain arc to form an L shape.

[0038] The locking part is oppositely arranged on both sides of the collar part relative to the circular arc stand plate 2.

[0039] The second stainless steel plate 10 is arc-shaped, and the arc opening of the second stainless steel plate 10 is arranged inward.

[0040] The collar part and the locking part are integrally connected.

[0041] The structure of the present application comprises: Figures 1-3 As shown in the figure, the gas protection drag cover tool mainly comprises nine parts: a stainless steel clamp 1, a circular arc stand plate 2, a first stainless steel plate 3, a stainless steel pipe 4, a heat-resistant silica gel plate 5, an air inlet pipe 6, a fine filter screen 7, a coarse filter screen 8, and a tail plug pipe 9.

[0042] The first stainless steel plate 3 and the stainless steel pipe 4 are bent to the required arc and welded and fixed; the stainless steel pipe 4 is slotted on the side, and the slot width can accommodate and fix the silica gel plate; the stainless steel clamp 1 is fixed on the circular arc vertical plate 2; the U-shaped slot is opened at the front end of the first stainless steel plate 3, and the circular arc vertical plate 2 is fixed at the bottom of the U-shaped slot; the hole is drilled at the center of the stainless steel plate 3, the air inlet pipe 6 is bent to a certain arc and welded and closed with the drilled hole; when welding, the other end port of the air inlet pipe 6 is connected with the argon tube belt. The fine filter screen 7 is stacked and attached to the inner wall of the first stainless steel plate 3 in multiple layers, and the coarse filter screen 8 is fixed outside the fine filter screen 7; the tail plug pipe 9 is fixed at the tail of the first stainless steel plate 3, and the heat-resistant silica gel plate 5 is installed in the slot obliquely below the tail plug pipe 9, and the width of the slot is just the same as the thickness of the silica gel plate, and the silica gel plate is directly clamped in the slot.

[0043] The operation process of the present application is:

[0044] The argon arc welding gun porcelain nozzle is fixed in the clamp, the height of the porcelain nozzle, the welding gun angle and the gas flow of the drag cover are adjusted, attention is paid to the force direction of the welding gun during welding, and the protective drag cover is completely attached to the outer wall of the pipe. When the welding is completed, the protective drag cover is not removed immediately to avoid the oxidation of the incompletely cooled weld metal by contacting with air.

[0045] The heat-resistant silica gel plate is a consumable product, and if it is burned, worn or affected, it can be replaced in time.

[0046] The design principle of the present application is:

[0047] The gas protection drag cover tool is composed of stainless steel plate, pipe, screen and heat-resistant silica gel plate, which can protect the molten pool and incompletely cooled weld metal during welding; the inside of the drag cover is padded with multiple layers of fine screen, and the purpose is to divide the argon gas entering the drag cover to avoid turbulence due to excessive gas flow. The arc and size of the drag cover can be determined according to different diameters of the pipe.

[0048] The application of the protective drag cover tool can realize the welding and protection work completed by one person, and it is recycled; the use of the tool can greatly reduce the labor cost, improve the work efficiency and improve the welding quality.

[0049] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A gas shielded booting tool characterized by, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; 2. The gas shielded boot apparatus of claim 1, wherein, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; 3. The gas shielded boot apparatus of claim 2, wherein, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; 4. The gas shielded boot apparatus of claim 1, wherein, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; 5. The gas shielded boot apparatus of claim 1, wherein, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; 6. The gas shielded boot apparatus of claim 1, wherein, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with U-shaped hole, and the opening direction of U-shaped hole is towards the front end of first stainless steel plate (3), and circular arc vertical board (2) is embedded in U-shaped hole, and stainless steel clamp (1) is arranged on the inner wall of circular arc vertical board (2);The upper side of first stainless steel plate (3) is equipped with drill hole, and air inlet pipe (6) is embedded in drill hole;The tail of first stainless steel plate (3) is equipped with tail plug pipe (9), and the oblique lower side of tail plug pipe (9) is equipped with recess for placing heat-resistant silica gel plate; 7. The gas shielded boot apparatus of claim 1, wherein, The utility model provides a kind of stainless steel pipe and first stainless steel plate (3) of heat-resistant silica gel plate, it is characterized by the following: including first stainless steel plate (3), the two sides below first stainless steel plate (3) are equipped with second stainless steel plate (10), the lower side of second stainless steel plate (10) is equipped with stainless steel pipe (4);The lower side of first stainless steel plate (3) is equipped with fine filter screen (7), and the lower side of fine filter screen (7) is equipped with coarse filter screen (8);The upper side of first stainless steel plate (3) is equipped with 8. The gas shielded boot apparatus of claim 1, wherein, ​ 9. The gas shielded boot apparatus of claim 1, wherein, ​ 10. The gas shielded boot apparatus of claim 1, wherein, ​