Fire welding device for pipeline welding
By designing a pipeline welding ignition device, utilizing top wind protection, bottom ignition, and end sealing mechanisms, the problem of spark splashing in chemical production was solved, achieving all-round protection and safe and reliable welding operations.
Patent Information
- Application Number
- CN202422996172.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-05
AI Technical Summary
During hot work in chemical production, it is difficult to effectively prevent the problem of sparks flying, and existing fire protection devices cannot provide comprehensive protection, leading to safety hazards.
A pipe welding fire-receiving device was designed, which includes a top windproof mechanism, a bottom fire-receiving mechanism and an end sealing mechanism. It utilizes components such as a fireproof frame, a fire-receiving groove and a fireproof blanket to form all-round protection and prevent sparks from flying.
It effectively prevents sparks from flying, improves the safety of welding operations, reduces the waste of fire blankets, is easy to install, is suitable for various pipe specifications, is highly flexible, and is safe and reliable.
Smart Images

Figure CN223629742U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of safety protection, specifically relates to a pipeline welding fire connecting device. BACKGROUND
[0002] Chemical industry is the pillar industry of our national economy, but there are many potential dangerous factors in chemical production. Because the medium used in chemical production is flammable and explosive, toxic and harmful, corrosive and the like, in order to ensure normal production operation, daily inspection and maintenance are indispensable, and in this process, some special operations such as hot work are often carried out, if the measures for spark flying are not implemented, fire and explosion accidents are prone to occur, and most of the present hot work uses simple bottom fire connecting hopper or fire blanket surrounding by multiple people, which not only wastes manpower, but also cannot achieve safety and reliability.
[0003] In the prior art, the fire connecting hopper can only connect the sparks below the hot work point, and cannot prevent wind, and the sparks fly everywhere. In addition, the fire blanket directly connects the sparks, the high-temperature metal droplets burn through the fire blanket, causing a large amount of waste of the fire blanket and spark flying. CONTENT OF THE UTILITY MODEL
[0004] The technical problem to be solved by the utility model is to provide a pipeline welding fire connecting device to solve the problem of spark flying in hot work of the chemical enterprise.
[0005] The utility model provides a pipeline welding fire connecting device, which comprises a top windproof mechanism, a bottom fire connecting mechanism and an end sealing mechanism, wherein:
[0006] The top windproof mechanism comprises a fireproof frame, a welding window is arranged on the fireproof frame, sliding rails are arranged on the two sides of the welding window respectively, a plurality of horizontal rods are movably connected between the two sliding rails, a top fireproof blanket is connected between the horizontal rods, and a hook is arranged on one side of the fireproof frame;
[0007] The bottom fire connecting mechanism comprises a fire connecting groove, one side of the fire connecting groove is hingedly connected with the fireproof frame, and a hanging ring movably matched with the hook is arranged on the other side of the fire connecting groove;
[0008] The end sealing mechanism comprises semicircular holes arranged at the two ends of the fireproof frame and the fire connecting groove, and a plurality of tooth-shaped end fireproof blankets are arranged on the semicircular holes.
[0009] Preferably, the fireproof frame and the fire connecting groove are both semicylindrical, and the fireproof frame and the fire connecting groove are connected to be cylindrical.
[0010] Preferably, the two ends of the horizontal rod are respectively connected with sleeve rings, and the sleeve rings are sleeved on the sliding rails.
[0011] Preferably, one side of the fire connecting groove is hingedly connected with the fireproof frame through a hinge.
[0012] Preferably, the side of the fireproof frame is provided with an exhaust fan.
[0013] Preferably, the side of the fireproof frame or the fire receiving groove is provided with a rope tightener.
[0014] The working principle of the utility model is: the utility model pipeline welding fire receiving device, when using, first open the fire receiving groove and the fireproof frame, make the fire receiving groove and the fireproof frame through the semicircular hole of both ends to be sleeved on the pipeline to be welded, and utilize the hook and the hanging ring to lock. Then according to the welding work condition, pull the crossbar to make it slide on the slide rail, make the top fireproof blanket open appropriately, the staff starts welding, the flying sparks are prevented by the fireproof blanket, fall into the fire receiving groove, at the same time, the exhaust fan can be opened to discharge the smoke in the device. After welding work is finished, open the connection of the hook and the hanging ring, remove the device from the pipeline. When welding the vertical pipe, utilize the rope tightener to fix the device on the pipeline to be welded.
[0015] The utility model pipeline welding fire receiving device sets the top windproof mechanism and the bottom fire receiving mechanism that can open and close, utilizes the hinge to connect the fire receiving groove and the fireproof frame, is convenient for installing the whole device on the pipeline to be welded, and utilizes the hook and the hanging ring to lock, and the installation is convenient and reliable. Secondly, the welding window is set on the fireproof frame and is connected with the slide rail and the crossbar, and the top fireproof blanket can be pulled, when changing the operation direction, only need to pull the crossbar to adjust the opening and closing direction of the top fireproof blanket, and the adjustment is convenient, and the use is flexible and convenient. In addition, the end sealing mechanism is set, and the toothed end fireproof blanket can be adjusted according to the diameter of the pipeline, guarantees the sealing of the end, not only can effectively prevent the sparks from flying from the side, but also is convenient for the device to be used on various specifications of the pipe, and through the rope tightener, the device can be applied to the pipeline welding fire receiving of horizontal and vertical setting, and the versatility is strong. Utilize the device, can effectively prevent the sparks from flying during welding operation, can realize multiple face protection, effectively protects the safety of the staff, and the device can be repeatedly used, the area of the fireproof blanket is small, can greatly reduce the waste of the fireproof blanket. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the perspective view of the utility model pipeline welding fire receiving device embodiment 1;
[0017] Figure 2 It is the perspective view of the utility model pipeline welding fire receiving device embodiment 2.
[0018] In the diagram: Top windproof mechanism 1, fireproof frame 11, welded window 12, slide rail 13, crossbar 14, top fireproof blanket 15, hook 16, collar 17; Bottom fire-receiving mechanism 2, fire-receiving groove 21, hanging ring 22, hinge 23; End sealing mechanism 3, semi-circular opening 31, toothed end fireproof blanket 32, exhaust fan 33, rope tensioner 34. Detailed Implementation
[0019] To make the technical solution of this utility model easier to understand, the technical solution of this utility model will now be clearly and completely described in conjunction with the accompanying drawings and specific embodiments.
[0020] Example 1:
[0021] like Figure 1 As shown, the pipe welding ignition device of this embodiment includes a top windproof mechanism 1, a bottom ignition mechanism 2, and an end sealing mechanism 3, wherein:
[0022] The top windproof mechanism 1 includes a fireproof frame 11, a welding window 12 on the fireproof frame 11, a slide rail 13 on both sides of the welding window 12, a number of crossbars 14 movably connected between the two slide rails 13, a top fireproof blanket 15 connected between the crossbars 14, and a hook 16 on one side of the fireproof frame 11.
[0023] The bottom fire-receiving mechanism 2 includes a fire-receiving groove 21. One side of the fire-receiving groove 21 is hinged to the fireproof frame 11, and the other side of the fire-receiving groove 21 is provided with a hanging ring 22 that is movably fitted with the hook 16.
[0024] The end sealing mechanism 3 includes semi-circular openings 31 at both ends of the fireproof frame 11 and the fire receiving groove 21, and a plurality of toothed end fireproof blankets 32 are provided on the semi-circular openings 31.
[0025] Example 2:
[0026] like Figure 2 As shown, the pipe welding ignition device of this embodiment includes a top windproof mechanism 1, a bottom ignition mechanism 2, and an end sealing mechanism 3, wherein:
[0027] The top windproof mechanism 1 includes a fireproof frame 11, a welding window 12 on the fireproof frame 11, and slide rails 13 on both sides of the welding window 12. Several crossbars 14 are movably connected between the two slide rails 13, and a top fireproof blanket 15 is connected between the crossbars 14. A hook 16 is provided on one side of the fireproof frame 11. The two ends of the crossbars 14 are respectively connected to collars 17, and the collars 17 are fitted onto the slide rails 13.
[0028] The bottom ignition mechanism 2 comprises an ignition groove 21, one side of the ignition groove 21 is hinged with the fireproof frame 11, and the other side of the ignition groove 21 is provided with a hanging ring 22 movably matched with the hook 16; one side of the ignition groove 21 is hinged with the fireproof frame 11 through a hinge 23; the fireproof frame 11 and the ignition groove 21 are both semicylindrical, and the fireproof frame 11 and the ignition groove 21 are connected to be cylindrical;
[0029] The end sealing mechanism 3 comprises semicircular openings 31 arranged at two ends of the fireproof frame 11 and the ignition groove 21, and a plurality of tooth-shaped end fireproof blankets 32 are arranged on the semicircular openings 31; the side of the fireproof frame 11 is provided with an exhaust fan 33, and the side of the fireproof frame 11 or the ignition groove 21 is provided with a rope tightener 34.
[0030] It should be noted that the embodiments described herein are only some embodiments of the present application, not all implementation manners of the present application, the embodiments are only exemplary, and the role is only to provide a more intuitive and clear way to understand the content of the present application, and is not a limitation on the technical solutions of the present application. Without departing from the concept of the present application, all other embodiments that can be thought of by those skilled in the art without creative labor, and other simple replacements and various changes of the technical solutions of the present application, all belong to the protection scope of the present application.
Claims
1. A pipe welding torch, characterized by Including top windproof mechanism (1), bottom fire receiving mechanism (2) and end sealing mechanism (3), wherein: The top windproof mechanism (1) comprises a fireproof frame (11), the fireproof frame (11) is provided with a welding window (12), both sides of the welding window (12) are respectively provided with a sliding rail (13), a plurality of horizontal rods (14) are movably connected between the two sliding rails (13), the horizontal rods (14) are connected with a top fireproof blanket (15), and one side of the fireproof frame (11) is provided with a hook (16); The bottom fire receiving mechanism (2) comprises a fire receiving groove (21), one side of the fire receiving groove (21) is hinged to the fireproof frame (11), and the other side of the fire receiving groove (21) is provided with a hanging ring (22) movably matched with the hook (16); The end sealing mechanism (3) comprises semicircular openings (31) arranged at both ends of the fireproof frame (11) and the fire receiving groove (21), and a plurality of tooth-shaped end fireproof blankets (32) are arranged on the semicircular openings (31).
2. The pipe welding ignition apparatus of claim 1, wherein The fireproof frame (11) and the fire receiving groove (21) are both semicylindrical, and the fireproof frame (11) and the fire receiving groove (21) are connected to be cylindrical.
3. The tubing welding ignition apparatus of claim 1, wherein, The horizontal rods (14) are respectively connected with sleeve rings (17) at both ends, and the sleeve rings (17) are sleeved on the sliding rails (13).
4. The tubing welding ignition apparatus of claim 1, wherein, One side of the fire receiving groove (21) is hinged to the fireproof frame (11) through a hinge (23).
5. The tubing welding ignition apparatus of claim 1 wherein, The side of the fireproof frame (11) is provided with an exhaust fan (33).
6. The tubing welding ignition apparatus of claim 1, wherein, The side of the fireproof frame (11) or the fire receiving groove (21) is provided with a rope tightener (34).