Seal welding and heat insulation integrated device for steel structure building

Abstract

The utility model discloses a seal welding and heat insulation integrated device of a steel structure building, which relates to the technical field of pipeline welding, and comprises a pipe body, a first ring plate and a second ring plate, the first inflation pipe is vertically arranged on the first annular plate, the bottom end of the first inflation pipe penetrates through the first annular plate and extends to the position below the first annular plate, and a first valve capable of blocking the first inflation pipe is arranged on the first inflation pipe; and the sealing air bag is arranged along the peripheral surfaces of the first annular plate and the second annular plate, and the first annular plate is provided with an inflation structure used for inflating the sealing air bag. By sealing the welding part, air and external impurities are prevented from entering a welding area, and the probability of air holes and slag inclusion is reduced, so that a welding seam is more compact and continuous, the quality of the welding part is remarkably improved, and the overall sealing performance, strength and durability of a steel structure building are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field, concretely is a sealed welding and heat insulation integrated device of steel structure building. BACKGROUND

[0002] In the field of steel structure building, it is crucial to ensure the quality of pipeline welding.

[0003] However, at present in the pipeline welding process, usually after pipeline butt joint directly carries out welding, due to the lack of sealing of pipeline back, the unsealed back will make air enter the welding area, on the one hand, the oxygen, nitrogen and other gases in air will react with molten metal under high temperature, and porosity is generated, on the other hand, the impurities of outside may also mix into the welding area, and form slag, and these defects greatly reduce the welding quality, so that the sealing property of pipeline is difficult to guarantee.

[0004] Secondly, the lack of sealing will make the welding process be interfered by outside air, under the high-temperature welding condition, the welding seam metal contacts with oxygen in air, and oxidation reaction occurs, and oxide is generated, so as to reduce its strength, toughness and other properties.

[0005] Therefore, the present application is provided. UTILITY MODEL CONTENT

[0006] The utility model discloses a sealed welding and heat insulation integrated device of steel structure building, to solve the problem in the background art.

[0007] To solve the above technical problem, the utility model provides a sealed welding and heat insulation integrated device of steel structure building, comprising

[0008] The pipe body is in two-end open structure, and one end is connected with the first ring plate, and the other end is connected with the second ring plate;

[0009] The first inflation pipe is vertically arranged on the first ring plate, and the bottom end penetrates the first ring plate and extends below the first ring plate, and a first valve for plugging the first inflation pipe is arranged on the first inflation pipe;

[0010] The sealing air bag is arranged along the outer circumferential surface of the first ring plate and the second ring plate, and the first ring plate is provided with an inflation structure for inflating the sealing air bag.

[0011] Further, the inflation structure comprises

[0012] The second inflation pipe is vertically arranged on the first ring plate, and the bottom end is communicated with the sealing air bag installed on the first ring plate, and a second valve for plugging the second inflation pipe is arranged on the second inflation pipe;

[0013] A communication hose is arranged between the first ring plate and the second ring plate, and ends of the communication hose are communicated with the two sealing air bags respectively.

[0014] Further, annular grooves are formed on the outer circumferential surfaces of the first ring plate and the second ring plate, and the sealing air bags are fixedly installed in the annular grooves.

[0015] Further, the pipe body comprises

[0016] The upper pipe section is in a hollow straight pipe structure, the first ring plate is connected to the top end of the upper pipe section, and an extension part extending along the axis of the upper pipe section is connected to the bottom end of the upper pipe section.

[0017] The lower pipe section is in a hollow straight pipe structure, the second ring plate is connected to the bottom end of the lower pipe section, an insertion part extending along the axis of the lower pipe section is formed on the top end of the lower pipe section, and the extension part is inserted into the insertion part.

[0018] The corrugated pipe is connected to the bottom surface of the extension part, and the bottom end of the corrugated pipe is fixed to the groove bottom of the insertion part.

[0019] Further, a threaded ring is sleeved on the outer wall of the upper pipe section, and the upper pipe section and the lower pipe section are fixed through the threaded ring.

[0020] Further, anti-skid lines are arranged on the outer wall of the threaded ring, internal threads are arranged on the inner wall of the threaded ring, and external threads matched with the internal threads are arranged on the outer walls of the upper pipe section and the lower pipe section.

[0021] Further, a flat key is arranged on the outer wall of the extension part, and a key groove for embedding the flat key is arranged on the inner wall of the insertion part.

[0022] Further, the bottom surface of the upper pipe section is attached to the top surface of the lower pipe section, and the outer wall of the extension part is attached to the inner wall of the insertion part.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] 1. The first ring plate and the second ring plate are placed into the pipeline to be welded, the sealing air bags are inflated through the second inflation pipe, the air in the sealing air bags expands after entering the sealing air bags, and the sealing air bags abut against the inner wall of the pipeline to form a closed space with the pipeline wall, so that air and impurities in the outside are prevented from entering the welding area, the probability of pores and slag is reduced, the welding seam is more dense and continuous, the quality of the welding part is improved, and the overall sealing property, strength and durability of the steel structure building are enhanced.

[0025] 2. The extension part is pulled out from the inside of the insertion part, so that the upper pipe section and the lower pipe section can be bent, the pipe body can be applied to straight pipeline welding and elbow pipeline welding, and the overall applicability of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a front view structural diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the bottom-up structure of the present invention;

[0028] Figure 3 This is a schematic diagram of the top structure of the utility model;

[0029] Figure 4 For the Figure 3 Schematic diagram of the structure along the middle section line AA.

[0030] In the figure: 1. tube body; 101. upper tube part; 102. lower tube part; 103. extension part; 104. plug-in part; 105. bellows; 106. threaded ring; 2. first ring plate; 3. second ring plate; 4. first inflation tube; 5. first valve; 6. sealing airbag; 7. second inflation tube; 8. second valve; 9. connecting hose. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figures 1-4 The utility model provides a technical solution: a sealing welding and heat insulation integrated device for steel structure buildings, including

[0033] The tube body 1 is open at both ends, one end of which is connected to the first ring plate 2 and the other end is connected to the second ring plate 3;

[0034] A first inflation tube 4 is vertically arranged on the first ring plate 2, with its bottom end passing through the first ring plate 2 and extending to the bottom of the first ring plate 2, and a first valve 5 for sealing the first inflation tube is provided on the first inflation tube;

[0035] The sealing airbag 6 is arranged along the outer circumferential surface of the first ring plate 2 and the second ring plate 3 , and an inflation structure for inflating the sealing airbag 6 is provided on the first ring plate 2 .

[0036] Specifically, the welding position of the pipeline can be sealed by placing the pipe body 1, the first ring plate 2 and the second ring plate 3 into the pipeline and inflating the sealing air bag 6, air and external impurities are prevented from entering the welding area, the probability of pores and slag is reduced, the welding is more dense and continuous, the quality of the welding position is significantly improved, and the overall sealing, strength and durability of the steel structure building are enhanced.

[0037] Referring to Figures 1-3 , the inflatable structure comprises

[0038] A second inflatable pipe 7 is vertically arranged on the first ring plate 2, the bottom end of the second inflatable pipe 7 is communicated with the sealing air bag 6 installed on the first ring plate 2, and a second valve 8 for plugging the second inflatable pipe 7 is arranged on the second inflatable pipe 7.

[0039] A communication hose 9 is arranged between the first ring plate 2 and the second ring plate 3, and the ends of the communication hose 9 are respectively communicated with the two sealing air bags 6.

[0040] Specifically, by connecting the second inflatable pipe 7 with an external inflation pump and opening the second valve 8, the inflation pump can inflate the inside of the sealing air bag 6 through the second inflatable pipe 7, and the two sealing air bags 6 are inflated through the connection of the communication hose 9.

[0041] Referring to Figure 4 , the outer circumferential surface of the first ring plate 2 and the second ring plate 3 is provided with an annular groove, and the sealing air bag 6 is fixedly installed in the annular groove.

[0042] Specifically, the annular groove can improve the stability of the installation of the sealing air bag 6.

[0043] Referring to Figure 4 , the pipe body 1 comprises

[0044] The upper pipe part 101 is in a hollow straight pipe structure, the first ring plate 2 is connected to the top end of the upper pipe part 101, and an extension part 103 extending along the axis of the upper pipe part 101 is connected to the bottom end of the upper pipe part 101;

[0045] The lower pipe part 102 is in a hollow straight pipe structure, the second ring plate 3 is connected to the bottom end of the lower pipe part 102, and a plug-in part 104 extending along the axis of the lower pipe part 102 is arranged at the top end of the lower pipe part 102, and the extension part 103 is inserted into the plug-in part 104;

[0046] The corrugated pipe 105 is connected to the bottom surface of the extension part 103, and the bottom end of the corrugated pipe 105 is fixed to the groove bottom of the plug-in part 104.

[0047] Specifically, by pulling out the extension part 103 from the inside of the plug-in part 104, the upper pipe part 101 and the lower pipe part 102 can be bent, and thus the pipe body 1 can be suitable for straight pipeline welding and elbow pipeline welding, and the overall applicability of the device is improved.

[0048] Referring to Figure 4The outer part of the upper pipe part 101 is sleeved with a threaded ring 106, and the upper pipe part 101 and the lower pipe part 102 are fixed through the threaded ring 106.

[0049] Specifically, the upper pipe part 101 and the lower pipe part 102 can be fixed through the threaded ring 106, and displacement of the straight pipe during sealing of the pipe welding can be avoided.

[0050] Referring to Figure 4 The outer wall of the threaded ring 106 is provided with anti-skid lines, the inner wall of the threaded ring 106 is provided with internal threads, and the outer walls of the upper pipe part 101 and the lower pipe part 102 are provided with external threads matched with the internal threads.

[0051] Specifically, the threaded ring 106 can be threadedly connected to the outer parts of the upper pipe part 101 and the lower pipe part 102 through the threaded structure, so that the fixing of the upper pipe part 101 and the lower pipe part 102 is more convenient.

[0052] The outer wall of the extension part 103 is provided with a flat key, and the inner wall of the insertion part 104 is provided with a key groove for embedding the flat key.

[0053] Specifically, the upper pipe part 101 and the lower pipe part 102 will not rotate through the cooperation of the flat key and the key groove.

[0054] Referring to Figure 4 The bottom surface of the upper pipe part 101 is attached to the top surface of the lower pipe part 102, and the outer wall of the extension part 103 is attached to the inner wall of the insertion part 104.

[0055] Specifically, the sealing effect can be achieved to avoid leakage of heat-insulating gas from the connection between the upper pipe part 101 and the lower pipe part 102.

[0056] Working principle: the first ring plate 2 and the second ring plate 3 are placed in the pipe to be welded, the sealing air bag 6 is inflated through the second inflation pipe 7, the gas inflating into the sealing air bag 6 expands and abuts against the inner wall of the pipe, and the sealing air bag 6 and the pipe wall jointly form a sealed space, which prevents air and impurities from the outside from entering the welding area, reduces the probability of occurrence of pores and slag, makes the weld more dense and continuous, significantly improves the quality of the welding part, and enhances the overall sealing property, strength and durability of the steel structure building, then a certain flow of argon gas is filled into the sealed space from the first inflation pipe 4, and the air in the space is discharged, so that the argon gas fills the entire back space of the weld, achieves the effect of preventing oxidation and heat insulation of the back of the weld, and ensures that the pressure of the back space of the weld remains stable.

Claims

1. A sealing welding and heat insulation integrated device for a steel structure building, characterized in that, The utility model relates to a kind of inflatable pipe structure, including Pipe body (1), open structure in both ends, one end is connected with first ring plate (2), the other end is connected with second ring plate (3); First inflation pipe (4), vertically arranged on first ring plate (2), its bottom end penetrates first ring plate (2) and extends to below first ring plate (2), and first valve (5) for plugging is arranged on it; Sealing air bag (6) is arranged along the outer circumferential surface of first ring plate (2) and second ring plate (3), and the first ring plate (2) is provided with inflation structure for inflating sealing air bag (6).

2. The integrated sealing and insulation device for a steel structure building of claim 1, wherein: The inflation structure includes Second inflation pipe (7), vertically arranged on first ring plate (2), its bottom end is communicated with the sealing air bag (6) installed on first ring plate (2), and second valve (8) for plugging is arranged on the second inflation pipe (7); Communication hose (9) is arranged between first ring plate (2) and second ring plate (3), and the end part is communicated with two sealing air bags (6) respectively.

3. The integrated sealing and insulation device for a steel construction building according to claim 2, characterized in that: Annular groove is opened on the outer circumferential surface of first ring plate (2) and second ring plate (3), and sealing air bag (6) is fixedly installed in the annular groove.

4. The integrated sealing and insulation device for a steel structure building of claim 1, wherein: The pipe body (1) includes Upper pipe part (101), hollow straight pipe structure, first ring plate (2) is connected at its top end, and extension (103) extending along its axis is connected at its bottom end; Lower pipe part (102), hollow straight pipe structure, second ring plate (3) is connected at its bottom end, and plug-in part (104) extending along its axis is opened at its top end, and extension (103) is plugged into plug-in part (104) inside; Bellows (105) is connected to the bottom surface of extension (103), and the bottom end is fixed with the groove bottom of plug-in part (104).

5. A sealing welding and thermal insulation integrated device for a steel structure building according to claim 4, characterized in that: Thread ring (106) is sleeved on the outside of upper pipe part (101), and upper pipe part (101) and lower pipe part (102) are fixed by thread ring (106).

6. A sealing welding and thermal insulation integrated device for a steel structure building according to claim 5, characterized in that: Anti-slip pattern is arranged on the outer wall of thread ring (106), internal thread is arranged on the inner wall of thread ring (106), and external thread matched with internal thread is arranged on the outer wall of upper pipe part (101) and lower pipe part (102).

7. The integrated sealing and insulation apparatus for a steel construction building according to claim 4, wherein: Flat key is arranged on the outer wall of extension (103), and key groove for embedding flat key is arranged on the inner wall of plug-in part (104).

8. The integrated sealing and insulation apparatus for a steel construction building according to claim 4, wherein: The bottom surface of upper pipe part (101) is attached to the top surface of lower pipe part (102), and the outer wall of extension (103) is attached to the inner wall of plug-in part (104).

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