Multi-person welding device suitable for circumferential weld

By designing a multi-person welding device including galvanized grating plate, slag baffle and folding ladder, the problem of difficulty in achieving high efficiency and safety in welding B-type sleeve ring welds in mountainous areas is solved, and the simultaneous welding and slag protection of multiple people is achieved, improving welding quality and efficiency.

CN222608459UActive Publication Date: 2025-03-14PIPECHINA SOUTH CHINA CO +1
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Patent Information

Application Number
CN202420545443.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2025-03-14
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

When laying natural gas pipelines in mountainous areas, the welding of B-type sleeve ring welds requires 4 people to operate simultaneously, but due to the narrow site, it is difficult to achieve efficient welding and the welding quality is difficult to control.

Method used

A multi-person welding device is designed, including galvanized grating plates, welding slag baffles, folding ladders and B-type sleeve rings. The galvanized grating plates are fixed on the B-type sleeve rings, and the welding slag baffles and folding ladders are installed on the galvanized grating plates to achieve simultaneous welding and welding slag protection for multiple people.

Benefits of technology

Welding at the same time by 4 people is achieved, reducing welding time, ensuring operational safety, improving work efficiency and welding quality, and reducing heat loss and the possibility of welding cracks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a multi-person welding device suitable for circumferential welds, which comprises a welding slag baffle plate, a B-type sleeve ring, a galvanized grating plate and a folding ladder, the galvanized grating plate is arranged on the B-type sleeve ring, and the welding slag baffle plate and the folding ladder are both arranged on the galvanized grating plate. The galvanized grating plate is fixed on the B-type sleeve ring, so that a manned function can be realized, and multiple persons can simultaneously weld; the device is used for simultaneous welding of circumferential welds by four persons, welding operation time is shortened, welding slag can be prevented from falling off, operation safety is guaranteed, working efficiency is improved, the possibility of heat loss and welding crack generation in the welding process is further reduced, and operation quality management and control are improved. The folding ladder can be freely assembled, disassembled and folded, and the operation height can be freely adjusted. And the baffle can block welding slag falling during welding of the upper half part, so that the operation safety is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a multi-person welding device suitable for girth welds. Background Art

[0002] B-type sleeve repair work is a common form of emergency rescue work for natural gas pipelines. B-type sleeve girth welding requires 2 or 4 people to operate simultaneously. When welding B-type sleeve girth welds on pipelines laid in mountainous areas, it is difficult to achieve the four-person welding method at the same time due to the small site and the lack of auxiliary tools. It is time-consuming and labor-intensive, and the welding quality is difficult to control. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a multi-person welding device suitable for girth welds in view of the deficiencies in the prior art.

[0004] The utility model provides a technical solution to the above-mentioned technical problem as follows: a multi-person welding device suitable for circumferential welds, comprising: a welding slag baffle, a B-type sleeve ring, a galvanized grating plate, and a folding ladder, wherein the galvanized grating plate is installed on the B-type sleeve ring, and the welding slag baffle and the folding ladder are both installed on the galvanized grating plate.

[0005] The beneficial effects of the technical solution of the utility model are as follows: the galvanized grating plate is fixed on the B-type sleeve ring, which can realize the manned function and allow multiple people to weld at the same time; it is used for 4 people to weld the circumferential weld at the same time, reducing the welding operation time and preventing the slag from falling, ensuring the safety of the operation and improving the work efficiency, further reducing the heat loss and the possibility of welding cracks during the welding process, and improving the quality control of the operation. The folding ladder can be freely assembled, disassembled, and folded, and the working height can be freely adjusted. The baffle can block the slag that falls during the welding of the upper part, improving the safety of the operation.

[0006] Furthermore, the welding slag baffle is installed on the galvanized grid plate through a welding slag baffle back buckle.

[0007] The beneficial effect of adopting the above further technical solution is that the welding slag baffle is connected to the galvanized grating plate through the welding slag baffle back buckle, which can achieve the function of preventing the welding slag from falling during the welding operation.

[0008] Furthermore, the galvanized grating plate is provided with a first guardrail plate and a second guardrail plate, and the first guardrail plate is connected to the second guardrail plate through a guardrail back buckle.

[0009] The beneficial effects of adopting the above further technical solution are: the guardrail can be freely assembled and disassembled, ensuring the safety of the workers and being easy to carry and store. The first guardrail is connected to the second guardrail through the guardrail back buckle, which can play a role in safety protection during welding operations. After the operation is completed, the first guardrail and the second guardrail can be rotated and folded through the guardrail back buckle for easy storage.

[0010] Furthermore, the first guardrail plate is connected to the galvanized grating plate through a guardrail limit switch.

[0011] The beneficial effect of adopting the above further technical solution is that the guardrail limit switch can realize the opening and closing of the guardrail plate. After the operation is completed, the first guardrail plate and the second guardrail plate can be rotated and folded through the guardrail plate back buckle for easy storage.

[0012] Furthermore, the folding ladder is provided with a folding ladder connecting buckle.

[0013] The beneficial effect of adopting the above further technical solution is that the folding ladder connecting buckle can connect the folding ladder to realize the disassembly function of the folding ladder.

[0014] Furthermore, a telescopic member device is connected to the top of the folding ladder, and the telescopic member device is connected to the galvanized grating plate.

[0015] The beneficial effect of adopting the above further technical solution is: the setting of the telescopic member device is used to achieve the foldable and telescopic effect of the folding ladder

[0016] Furthermore, one end of the telescopic member device is connected to the galvanized grating plate through a telescopic member fixing block, and the other end of the telescopic member device is connected to a reinforcing rib, and the reinforcing rib is connected to the top of the folding ladder.

[0017] The beneficial effect of adopting the above further technical solution is that the folding ladder connecting buckle, the reinforcing rib and the telescopic device together achieve the foldable and telescopic effect of the folding ladder. The telescopic device fixing block is connected to the galvanized grating plate to play a fixing role.

[0018] Furthermore, a folding ladder foot cover is provided at the bottom of the folding ladder.

[0019] The beneficial effect of adopting the above further technical solution is that the folding ladder foot cover can increase the friction force and play a stabilizing role.

[0020] Furthermore, a B-type sleeve ring clamping device is provided on the B-type sleeve ring.

[0021] The beneficial effect of adopting the above further technical solution is that the B-type sleeve ring clamping device can fix the B-type sleeve ring on the B-type sleeve, making it easy to install the device on the B-type sleeve ring.

[0022] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the structural schematic diagrams of the welding device provided in the embodiment of the utility model.

[0024] Figure 2 The second structural schematic diagram of the welding device provided in the embodiment of the utility model.

[0025] Figure 3 The third structural schematic diagram of the welding device provided in the embodiment of the utility model.

[0026] Explanation of the accompanying drawings: 1. Welding slag baffle; 2. B-type sleeve ring; 3. First guardrail; 4. Second guardrail; 5. Folding ladder foot cover; 6. Folding ladder connecting buckle; 7. Reinforcement rib; 8. Telescopic device; 9. Telescopic device fixing block; 10. Galvanized grating plate; 11. Folding ladder; 12. Guardrail back buckle; 13. Guardrail limit switch; 14. B-type sleeve ring clamping device; 15. Welding slag baffle back buckle. DETAILED DESCRIPTION

[0027] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The embodiments given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0028] like Figures 1 to 3 As shown, an embodiment of the utility model provides a multi-person welding device suitable for circumferential welds, comprising: a welding slag baffle 1, a B-type sleeve ring 2, a galvanized grating plate 10, and a folding ladder 11. The galvanized grating plate 10 is installed on the B-type sleeve ring 2, and the welding slag baffle 1 and the folding ladder 11 are both installed on the galvanized grating plate 10.

[0029] The beneficial effects of the technical solution of the utility model are as follows: the galvanized grating plate is fixed on the B-type sleeve ring, which can realize the manned function and allow multiple people to weld at the same time; it is used for 4 people to weld the circumferential weld at the same time, reducing the welding operation time and preventing the slag from falling, ensuring the safety of the operation and improving the work efficiency, further reducing the heat loss and the possibility of welding cracks during the welding process, and improving the quality control of the operation. The folding ladder can be freely assembled, disassembled, and folded, and the working height can be freely adjusted. The baffle can block the slag that falls during the welding of the upper part, improving the safety of the operation.

[0030] The welding rod box and the welding rod tube can be placed in the welding slag baffle.

[0031] like Figures 1 to 3As shown, further, the welding slag baffle 1 is installed on the galvanized grid plate 10 through the welding slag baffle back buckle 15.

[0032] The beneficial effect of adopting the above further technical solution is that the welding slag baffle is connected to the galvanized grating plate through the welding slag baffle back buckle, which can achieve the function of preventing the welding slag from falling during the welding operation.

[0033] like Figures 1 to 3 As shown, further, a first guardrail plate 3 and a second guardrail plate 4 are provided on the galvanized grating plate 10 , and the first guardrail plate 3 is connected to the second guardrail plate 4 through a guardrail back buckle 12 .

[0034] The beneficial effects of adopting the above further technical solution are: the guardrail can be freely assembled and disassembled, ensuring the safety of the workers and being easy to carry and store. The first guardrail is connected to the second guardrail through the guardrail back buckle, which can play a role in safety protection during welding operations. After the operation is completed, the first guardrail and the second guardrail can be rotated and folded through the guardrail back buckle for easy storage.

[0035] like Figures 1 to 3 As shown, further, the first guardrail plate 3 is connected to the galvanized grating plate 10 through a guardrail limit switch 13.

[0036] The beneficial effect of adopting the above further technical solution is that the guardrail limit switch can realize the opening and closing of the guardrail plate. After the operation is completed, the first guardrail plate and the second guardrail plate can be rotated and folded through the guardrail plate back buckle for easy storage.

[0037] like Figures 1 to 3 As shown, further, the folding ladder 11 is provided with a folding ladder connecting buckle 6.

[0038] The beneficial effect of adopting the above further technical solution is that the folding ladder connecting buckle can connect the folding ladder to realize the disassembly function of the folding ladder.

[0039] like Figures 1 to 3 As shown, further, a telescopic member device 8 is connected to the top of the folding ladder 11 , and the telescopic member device 8 is connected to the galvanized grating plate 10 .

[0040] The beneficial effect of adopting the above further technical solution is: the setting of the telescopic member device is used to achieve the foldable and telescopic effect of the folding ladder

[0041] like Figures 1 to 3 As shown, further, one end of the telescopic member device 8 is connected to the galvanized grating plate 10 through a telescopic device fixing block 9, and the other end of the telescopic member device 8 is connected to a reinforcing rib 7, and the reinforcing rib 7 is connected to the top of the folding ladder 11.

[0042] The beneficial effect of adopting the above further technical solution is that the folding ladder connecting buckle, the reinforcing rib and the telescopic device together achieve the foldable and telescopic effect of the folding ladder. The telescopic device fixing block is connected to the galvanized grating plate to play a fixing role.

[0043] like Figures 1 to 3 As shown, further, a folding ladder foot cover 5 is provided at the bottom of the folding ladder 11 .

[0044] The beneficial effect of adopting the above further technical solution is that the folding ladder foot cover can increase the friction force and play a stabilizing role.

[0045] like Figures 1 to 3 As shown, further, a B-type sleeve ring clamping device 14 is provided on the B-type sleeve ring 2.

[0046] The beneficial effect of adopting the above further technical solution is that the B-type sleeve ring clamping device can fix the B-type sleeve ring on the B-type sleeve, making it easy to install the device on the B-type sleeve ring.

[0047] The embodiment of the utility model provides a multi-person welding device suitable for girth welds. The device is designed with structures such as a bottom plate, a galvanized grating plate 10, a fixing frame, a folding ladder (folding ladder), a welding rod box, a baffle (welding slag baffle), etc. During the B-type sleeve girth weld welding operation, the device is fixed on the B-type sleeve ring, so that 4 people can weld the B-type sleeve girth weld at the same time. This improvement reduces the operation time by nearly half, prevents the welding slag from falling, and facilitates the placement of the welding rod tube, thereby ensuring the safety of the operation, improving the work efficiency, further reducing the heat loss during the welding process, reducing the possibility of welding cracks, and improving the operation quality control.

[0048] The beneficial effects of the present invention may include the following:

[0049] (1) The galvanized grating plate can be fixed on the B-type sleeve ring, allowing 4 people to weld at the same time. (2) The folding ladder (folding ladder) can be freely assembled, disassembled, and folded, and the working height can be freely adjusted. (3) The baffle (welding slag baffle) can block the welding slag that falls during the upper part of the welding, improving the safety of the operation. (4) The guardrail (first guardrail plate and second guardrail plate) can be freely assembled and disassembled to ensure the safety of the operators and is easy to carry and store.

[0050] The utility model provides a multi-person welding device suitable for girth welds, which is composed of a welding slag baffle 1, a B-type sleeve ring 2, a first guardrail plate 3, a second guardrail plate 4, a folding ladder foot cover 5, a folding ladder connecting buckle 6, a reinforcing rib 7, a telescopic device 8, a telescopic device fixing block 9, a galvanized grid plate 10, a folding ladder 11, a guardrail back buckle 12, a guardrail limit switch 13, a B-type sleeve ring clamping device 14, and a welding slag baffle back buckle 15;

[0051] The welding slag baffle 1 is connected to the galvanized grid plate 10 through the welding slag baffle back buckle 15, which can realize the function of preventing the welding slag from falling during the welding operation;

[0052] The galvanized grating plate 10 is fixed on the B-type sleeve ring 2, which can realize the manned function and allow multiple people to weld at the same time;

[0053] The first guardrail plate 3 is connected to the second guardrail plate 4 through the guardrail plate back buckle 12, which can play a role in safety protection during welding operations. The guardrail limit switch 13 can realize the switch of the guardrail plate 3. After the operation is completed, the first guardrail plate 3 and the second guardrail plate 4 can be rotated and folded through the guardrail plate back buckle 12 for easy storage;

[0054] The folding ladder connecting buckle 6 can be connected to the folding ladder 11 to realize the disassembly function of the folding ladder 11, and together with the reinforcing rib 7 and the telescopic member device 8, the folding and telescopic effect of the folding ladder 11 can be achieved. The folding ladder foot cover 5 can increase the friction force and play a stabilizing role;

[0055] The telescopic device fixing block 9 is connected to the galvanized grid plate 10 to fix it;

[0056] The B-type sleeve ring clamping device 14 can fix the B-type sleeve ring on the B-type sleeve, making it easier for the device to be installed on the B-type sleeve ring.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A multi-person welding device suitable for girth welds, characterized in that: include: A welding slag baffle (1), a B-type sleeve ring (2), a galvanized grating plate (10), and a folding ladder (11), wherein the galvanized grating plate (10) is mounted on the B-type sleeve ring (2), and the welding slag baffle (1) and the folding ladder (11) are both mounted on the galvanized grating plate (10).

2. A multi-person welding device suitable for girth welds according to claim 1, characterized in that: The welding slag baffle (1) is installed on the galvanized grid plate (10) via a welding slag baffle back buckle (15).

3. A multi-person welding device suitable for girth welds according to claim 1, characterized in that: The galvanized grating plate (10) is provided with a first guardrail plate (3) and a second guardrail plate (4), and the first guardrail plate (3) is connected to the second guardrail plate (4) via a guardrail back buckle (12).

4. A multi-person welding device suitable for girth welds according to claim 3, characterized in that: The first guardrail plate (3) is connected to the galvanized grating plate (10) via a guardrail limit switch (13).

5. A multi-person welding device suitable for girth welds according to claim 1, characterized in that: The folding ladder (11) is provided with a folding ladder connecting buckle (6).

6. A multi-person welding device suitable for girth welds according to claim 1, characterized in that: The top of the folding ladder (11) is connected to a telescopic member device (8), and the telescopic member device (8) is connected to the galvanized grating plate (10).

7. A multi-person welding device suitable for girth welds according to claim 6, characterized in that: One end of the telescopic device (8) is connected to the galvanized grating plate (10) via a telescopic device fixing block (9), and the other end of the telescopic device (8) is connected to a reinforcing rib (7), and the reinforcing rib (7) is connected to the top of the folding ladder (11).

8. A multi-person welding device suitable for girth welds according to claim 1, characterized in that: A folding ladder foot cover (5) is provided at the bottom of the folding ladder (11).

9. A multi-person welding device suitable for girth welds according to claim 1, characterized in that: The B-type sleeve ring (2) is provided with a B-type sleeve ring clamping device (14).