Unmanned auxiliary longitudinal seam back protection tool

Abstract

The utility model discloses an unmanned auxiliary longitudinal joint back protection tool which is used for being arranged at a joint of a pipeline and comprises a mounting C-shaped shell, and two groups of extending C-shaped shells are arranged in the mounting C-shaped shell; air inlet assemblies are arranged in the mounting C-shaped shell and the extending C-shaped shells, a mounting pipeline is arranged on the back face of the mounting C-shaped shell, extending screws are arranged on the extending C-shaped shells, and the extending screws are in threaded fit with the mounting pipeline, so that the two extending C-shaped shells move towards the center direction of the mounting C-shaped shell to be clamped at a pipeline joint; the welding protection device has the beneficial effects that through the structural design of the mounting C-shaped shell and the extending C-shaped shell and the threaded fit of the extending screw rod and the mounting pipeline, the precise positioning and clamping of a pipeline joint are realized, and the accuracy and reliability of welding protection are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of longitudinal seam back protection toolings of unmanned assistance. BACKGROUND

[0002] In the traditional non-ferrous metal welding field, special person needs to be placed in the welding back during welding Argon to form protective layer to prevent the generation of welding joint oxidation and porosity and other defects. And in the welding process, the protection personnel need to observe whether the welding position changes from time to time, and adjust the protection position in time, such operation is not only inefficient, and has potential harm to the eyes of protection personnel, in view of this, the utility model provides a kind of longitudinal seam back protection toolings of unmanned assistance, to solve the above problems. UTILITARIAN CONTENT

[0003] The utility model is to provide a kind of longitudinal seam back protection toolings of unmanned assistance, to solve the problem proposed in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of longitudinal seam back protection toolings of unmanned assistance, for being set in the joint of pipeline, including installation C-shaped housing, two groups of extension C-shaped housing are provided in the installation C-shaped housing;

[0006] Gas inlet assembly is provided in the installation C-shaped housing, extension C-shaped housing, the back of the installation C-shaped housing is provided with installation pipeline, extension screw rod is provided on the extension C-shaped housing, the extension screw rod is screwed with installation pipeline, so that two groups of extension C-shaped housing are displaced and clamped in the joint of pipeline towards the center direction of installation C-shaped housing.

[0007] As the improvement of the above technical scheme, extension plate is provided on the extension C-shaped housing, first connecting plate is provided on the extension plate;

[0008] Extension screw rod is rotationally arranged on the first connecting plate, and extension nut is fixedly sleeved on the outer wall of the extension screw rod.

[0009] As the improvement of the above technical scheme, second connecting plate is provided on the extension plate, and reinforcing plate is provided on the second connecting plate;

[0010] Two groups of pressing plates are provided on the reinforcing plate, and the pressing plates are in contact with the surface of the pipeline for reinforcement.

[0011] As the improvement of the above technical scheme, two groups of reinforcing threaded sleeves are provided on the reinforcing plate, and reinforcing screw rods are threadedly connected in the reinforcing threaded sleeves;

[0012] The pressing plate is rotatably arranged on a reinforcing screw rod, and the reinforcing screw rod is provided with a reinforcing hexagonal shifting block.

[0013] As an improvement of the above technical scheme, the mounting C-shaped shell is internally provided with two groups of guiding protrusions, and the two groups of guiding protrusions are symmetrically arranged.

[0014] The extending C-shaped shell is provided with two groups of guiding recessed grooves, and the two groups of guiding recessed grooves are matched with the two groups of guiding protrusions in position, and the guiding protrusions are slidingly arranged in the guiding recessed grooves.

[0015] As an improvement of the above technical scheme, the air inlet assembly comprises a mounting shell, and the mounting shell is arranged on the inner wall of the mounting C-shaped shell.

[0016] The mounting shell is provided with a mounting shunt pipeline at two ends, the extending pipeline is slidingly arranged in the mounting shunt pipeline, and the extending pipeline is connected with the side wall of the extending plate.

[0017] As an improvement of the above technical scheme, the surfaces of the mounting shunt pipeline and the extending pipeline are uniformly provided with a plurality of groups of air outlet holes, and the minimum distance between every two groups of air outlet holes is smaller than the diameter of the air outlet hole.

[0018] As an improvement of the above technical scheme, the air inlet assembly further comprises an air inlet pipeline, and the air inlet pipeline is arranged on the mounting C-shaped shell and communicates with the inner cavity of the mounting shell.

[0019] Compared with the prior art, the beneficial effects of the present application are:

[0020] Through the structural design of the mounting C-shaped shell and the extending C-shaped shell, and the threaded cooperation between the extending screw rod and the mounting pipeline, accurate positioning and clamping of the pipeline joint are realized, and the accuracy and reliability of the welding protection are ensured.

[0021] Through simple rotation of the extending screw rod, the displacement and clamping of the extending C-shaped shell are realized, the operation process is simplified, the operation difficulty is reduced, and the welding protection is suitable for various pipeline joints, and has strong environmental adaptability and universality.

[0022] By protecting the back of the pipeline joint, welding oxidation and defects are effectively prevented, the welding quality is improved, the welding protection reduces the labor cost, the welding qualified rate is improved, and the cost of rework and maintenance is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the present application;

[0024] Figure 2 It is the present application Figure 1Enlarged structural diagram at point A;

[0025] Figure 3 This is a schematic diagram of the structure of the present invention with the C-shaped housing installed;

[0026] Figure 4 This is a schematic diagram of the extended C-shaped shell of this utility model;

[0027] Figure 5 This is a schematic diagram of the back structure of the present invention with the C-shaped housing installed;

[0028] Figure 6 This utility model Figure 5 Enlarged structural diagram at point B;

[0029] Figure 7 This is a schematic diagram of the tooling of this utility model connected at the pipe joint.

[0030] In the diagram: 10. Install C-type housing; 11. Guide protrusion; 12. Install pipe; 20. Extend C-type housing; 21. Extension plate; 22. First connecting plate; 23. Second connecting plate; 24. Guide recess; 25. Extension screw; 251. Extension nut; 26. Reinforcing plate; 261. Reinforcing threaded sleeve; 27. Pressure plate; 28. Reinforcing screw; 29. ​​Reinforcing hexagonal actuating block; 30. Air intake assembly; 31. Air outlet; 32. Install diversion pipe; 33. Extension pipe; 34. Install housing; 35. Air intake pipe; 40. Pipe. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example:

[0033] like Figures 1-7 As shown, this embodiment proposes an unmanned longitudinal seam back protection tool for installation at the joint of pipe 40, including a C-shaped housing 10, wherein two sets of extended C-shaped housings 20 are provided inside the C-shaped housing 10.

[0034] The installation C-shaped shell 10, the extension C-shaped shell 20 are provided with the air inlet assembly 30, the back of the installation C-shaped shell 10 is provided with the installation pipeline 12, the extension C-shaped shell 20 is provided with the extension screw rod 25, the extension screw rod 25 is screwed with the installation pipeline 12, so that the two groups of extension C-shaped shells 20 are displaced towards the center direction of the installation C-shaped shell 10 and clamped at the joint of the pipeline 40.

[0035] In the embodiment, the two groups of extension C-shaped shells 20 are placed on the two sides of the pipeline 40, then the extension screw rod 25 is rotated, the extension C-shaped shell 20 is displaced towards the center direction of the installation C-shaped shell 10 by the extension screw rod 25, until the extension C-shaped shell 20 is in close contact with the side end surface of the pipeline 40, the clamping process is completed, so that the one group of installation C-shaped shells 10 and the two groups of extension C-shaped shells 20 are placed on the back of the joint of the pipeline 40, then the argon is injected into the installation C-shaped shell 10 and the extension C-shaped shell 20 by the air inlet assembly 30 to protect the joint, and the joint is welded on the front of the pipeline 40.

[0036] Through the structural design of the installation C-shaped shell 10 and the extension C-shaped shell 20, and the screwing of the extension screw rod 25 and the installation pipeline 12, the accurate positioning and clamping of the joint of the pipeline 40 are realized, and the accuracy and reliability of the welding protection are ensured.

[0037] Through the simple rotation of the extension screw rod 25, the displacement and clamping of the extension C-shaped shell 20 are realized, the operation process is simplified, the operation difficulty is reduced, and the welding protection of various joints of the pipeline 40 is applicable, which has strong environmental adaptability and universality.

[0038] Through the protection on the back of the joint of the pipeline 40, the welding oxidation and defects are effectively prevented, the welding quality is improved, the artificial cost is reduced, the welding qualified rate is improved, and the cost of rework and maintenance is reduced.

[0039] Specifically, the extension C-shaped shell 20 is provided with an extension plate 21, and the extension plate 21 is provided with a first connecting plate 22.

[0040] The extension screw rod 25 is rotationally arranged on the first connecting plate 22, and an extension nut 251 is fixedly sleeved on the outer wall of the extension screw rod 25.

[0041] In the embodiment, when the extension C-shaped shell 20 needs to be displaced towards the installation C-shaped shell 10, the extension nut 251 is rotated by a wrench, so that the extension screw rod 25 is rotated, the extension C-shaped shell 20 is displaced towards the installation C-shaped shell 10 through the screwing of the extension screw rod 25 and the installation pipeline 12, and the clamping process is performed.

[0042] Specifically, the second connecting plate 23 is arranged on the extension plate 21, and the reinforcing plate 26 is arranged on the second connecting plate 23.

[0043] The two groups of pressing plates 27 are arranged on the reinforcing plate 26, and the pressing plates 27 are in contact with the surface of the pipeline 40 for reinforcement.

[0044] Specifically, the two groups of reinforcing threaded sleeves 261 are arranged on the reinforcing plate 26, and the reinforcing threaded sleeves 261 are threadedly connected with the reinforcing screw rods 28.

[0045] The pressing plates 27 are rotationally arranged on the reinforcing screw rods 28, and the reinforcing hexagonal driving blocks 29 are arranged on the reinforcing screw rods 28.

[0046] In this embodiment, when the installation C-shaped shell 10 and the extension C-shaped shell 20 are clamped on the pipeline 40, the reinforcing hexagonal driving blocks 29 drive the reinforcing screw rods 28 to rotate, and the reinforcing screw rods 28 are threadedly matched with the reinforcing threaded sleeves 261, so that the pressing plates 27 are displaced towards the pipeline 40, until the installation C-shaped shell 10 and the extension C-shaped shell 20 are in close contact with the inner wall of the pipeline 40, i.e., the back surface of the joint, so as to improve the sealing performance.

[0047] Of course, the sealing tape can be attached to the place where the installation C-shaped shell 10 and the extension C-shaped shell 20 are in contact with the inner wall of the pipeline 40, so as to further improve the sealing performance.

[0048] Specifically, the installation C-shaped shell 10 is provided with two groups of guide protrusions 11, and the two groups of guide protrusions 11 are symmetrically arranged.

[0049] The extension C-shaped shell 20 is provided with two groups of guide recesses 24, the two groups of guide recesses 24 are positionally matched with the two groups of guide protrusions 11, and the guide protrusions 11 are slidingly arranged in the guide recesses 24.

[0050] In this embodiment, the guide protrusions 11 are slidingly arranged in the guide recesses 24, so that the extension C-shaped shell 20 can smoothly slide on the installation C-shaped shell 10, and the overall length can be adjusted to adapt to the width of the pipeline 40.

[0051] Specifically, the air inlet assembly 30 comprises an installation shell 34, and the installation shell 34 is arranged on the inner wall of the installation C-shaped shell 10.

[0052] The installation shell 34 is provided with installation shunt pipelines 32 at two ends, the extension pipelines 33 are slidingly arranged in the installation shunt pipelines 32, and the extension pipelines 33 are connected with the side wall of the extension plate 21.

[0053] Specifically, the surfaces of the installation shunt pipeline 32 and the extension pipeline 33 are uniformly provided with a plurality of groups of air outlet holes 31, and the minimum spacing between every two groups of the air outlet holes 31 is smaller than the diameter of the air outlet hole 31.

[0054] Specifically, the air inlet assembly 30 further comprises an air inlet pipeline 35, which is arranged on the installation C-shaped shell 10 and communicates with the inner cavity of the installation shell 34.

[0055] In this embodiment, when the argon is introduced into the installation C-shaped shell 10 and the extension C-shaped shell 20, the equipment for providing argon is connected to the air inlet pipeline 35 through a pipeline, introduced into the installation shell 34 through the air inlet pipeline 35, and subjected to shunt treatment through the installation shunt pipeline 32 and the extension pipeline 33, and then discharged through the plurality of groups of air outlet holes 31.

[0056] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A non-automatic longitudinal seam back protection fixture, characterized in that: For installation at the joint of the pipe (40), including the installation of a C-shaped housing (10), wherein two sets of extended C-shaped housings (20) are provided inside the installation C-shaped housing (10). An air intake assembly (30) is provided inside the mounting C-shaped housing (10) and the extended C-shaped housing (20). An installation pipe (12) is provided on the back of the mounting C-shaped housing (10). An extension screw (25) is provided on the extended C-shaped housing (20). The extension screw (25) is threadedly engaged with the installation pipe (12), so that the two sets of extended C-shaped housings (20) are displaced toward the center direction of the mounting C-shaped housing (10) and clamped at the joint of the pipe (40).

2. The unmanned longitudinal seam back protection fixture according to claim 1, characterized in that: An extension plate (21) is provided on the extended C-shaped housing (20), and a first connecting plate (22) is provided on the extension plate (21). The extension screw (25) is rotatably mounted on the first connecting plate (22), and the outer wall of the extension screw (25) is fixedly sleeved with an extension nut (251).

3. The unmanned longitudinal seam back protection fixture according to claim 2, characterized in that: The extension plate (21) is provided with a second connecting plate (23), and the second connecting plate (23) is provided with a reinforcing plate (26). Two sets of pressure plates (27) are provided on the reinforcing plate (26), and the pressure plates (27) are in contact with the surface of the pipe (40) for reinforcement.

4. The unmanned longitudinal seam back protection fixture according to claim 3, characterized in that: The reinforcing plate (26) is provided with two sets of reinforcing threaded sleeves (261), and the reinforcing threaded sleeves (261) are internally threaded with reinforcing screws (28). The pressure plate (27) is rotatably mounted on the reinforcing screw (28), and the reinforcing screw (28) is provided with a reinforcing hexagonal toggle block (29).

5. The unmanned longitudinal seam back protection fixture according to claim 4, characterized in that: The C-shaped housing (10) is provided with two sets of guide protrusions (11), and the two sets of guide protrusions (11) are symmetrically arranged. The extended C-shaped housing (20) is provided with two sets of guide recesses (24), the two sets of guide recesses (24) are matched with the two sets of guide protrusions (11), and the guide protrusions (11) are slidably disposed in the guide recesses (24).

6. The unmanned longitudinal seam back protection fixture according to claim 5, characterized in that: The intake assembly (30) includes a mounting housing (34) disposed on the inner wall of the mounting C-type housing (10); The mounting housing (34) is provided with mounting diversion pipes (32) at both ends, and an extension pipe (33) is slidably provided inside the mounting diversion pipe (32). The extension pipe (33) is connected to the side wall of the extension plate (21).

7. The unmanned longitudinal seam back protection fixture according to claim 6, characterized in that: Multiple sets of air outlets (31) are evenly opened on the surface of the installation diversion pipe (32) and extension pipe (33), and the minimum distance between each two sets of air outlets (31) is less than the diameter of the air outlet (31).

8. The unmanned longitudinal seam back protection fixture according to claim 7, characterized in that: The air intake assembly (30) also includes an air intake pipe (35), which is disposed on the mounting C-shaped housing (10) and communicates with the inner cavity of the mounting housing (34).

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