Hot-dip galvanized steel pipe threading structure

Abstract

The utility model relates to the technical field of civil air defense construction, in particular to a hot-dip galvanized steel pipe threading structure which comprises a hot-dip galvanized steel pipe, the hot-dip galvanized steel pipe penetrates through a protective sealing wall, and a sealing rib is welded to the outer side of the middle of the hot-dip galvanized steel pipe; the resistance pieces are arranged at the two ends of the hot-dip galvanized steel pipe, at least two nuts are arranged on each resistance piece and located on the side away from the hot-dip galvanized steel pipe, the nuts are connected with bolts, and the bolts penetrate through the rear ends of the resistance pieces and are electrically welded to the outer wall of the hot-dip galvanized steel pipe; the cable or the sheath wire penetrates through the hot-dip galvanized steel pipe and the resistance sheet; the sealing filler and the oil hemp thread are arranged in the hot-dip galvanized steel pipe, the sealing filler is arranged close to the resistance piece, and the oil hemp thread is arranged far away from the resistance piece. The utility model has the advantages that the stability is enhanced by welding the sealing ribs, the sealing performance is improved by adopting the epoxy resin plugs, and the protection grade is improved. The resistance pieces on the two sides can resist shock waves on the two sides, the resistance requirements of nuclear grade 4, nuclear grade 5 and nuclear grade 5 are met, and the oil hemp threads and the epoxy resin at the two ends can buffer the shock waves and enhance the sealing performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a people's air defense engineering construction technical field, concretely relates to a hot galvanizing steel pipe threading structure. BACKGROUND

[0002] In the people's air defense engineering, the structure design of pipeline crossing the protective airtight wall is the key to ensure the engineering protection function and the normal operation in wartime. In peacetime, the pipeline is mainly used to meet the daily power, communication and water supply and drainage needs, while in wartime, the pipeline needs to have the ability to resist shock waves, nuclear weapons, conventional weapons and biological weapons. The protective airtight wall is an important part of the people's air defense engineering, mainly resisting the direct hit or close explosion of nuclear explosion shock waves and conventional weapons. In order to meet the protection requirements, when the pipeline crosses the protective airtight wall, it must pass through the pre-buried airtight sleeve, and it is strictly forbidden to open holes afterwards. In peacetime, the pipeline can not be sealed, but the protection and sealing or plugging must be completed within 30 days in wartime.

[0003] In wartime, the pipeline in the people's air defense engineering not only bears the effect of external shock waves, but also needs to ensure normal operation to meet the power, communication and water supply and drainage needs. Therefore, the structure design of pipeline crossing the protective airtight wall must consider both protection and function. For example, the electrical pipeline can be filled with sealing material in the junction box and closed with a protective cover plate. Through these measures, the pipeline structure can not only effectively resist external impact, but also maintain normal operation in wartime, ensuring that the protection function and use function of the people's air defense engineering can be realized. SUMMARY

[0004] The utility model aims at overcoming the insufficient of prior art, provides a kind of hot galvanizing steel pipe threading structure, to solve the problem that only unilateral resistance shock wave of existing hot galvanizing steel pipe threading structure, and improve the impact resistance, so that its protection ability is stronger.

[0005] In order to realize the above-mentioned purpose, the utility model designs a kind of hot galvanizing steel pipe threading structure, including hot galvanizing steel pipe, the hot galvanizing steel pipe passes through protective seal wall, and sealing rib is welded on the outer side of the middle part of hot galvanizing steel pipe;Resistance sheet is arranged at the both ends of hot galvanizing steel pipe, at least two nuts are provided on the resistance sheet, the nut is located at the side away from hot galvanizing steel pipe, nut connects bolt, and the bolt is electrically welded after passing through the rear end of resistance sheet and the outer wall of hot galvanizing steel pipe;Cable or sheathed wire passes through hot galvanizing steel pipe and resistance sheet located at the both ends of hot galvanizing steel pipe;Sealing filler and oil hemp are arranged in hot galvanizing steel pipe, the sealing filler is arranged close to the resistance sheet of both ends, and the oil hemp is arranged away from the resistance sheet of both ends.

[0006] Preferably, the thickness of the sealing rib is greater than or equal to 5mm.

[0007] The utility model discloses still design a hot galvanizing steel pipe threading structure, including hot galvanizing steel pipe, the hot galvanizing steel pipe passes through the protective sealing wall, and the outside welding of the middle part of hot galvanizing steel pipe has sealing rib, cable or sheath wire, passes through the hot galvanizing steel pipe, and the cavity middle part of hot galvanizing steel pipe is equipped with oil flax, and the cavity of hot galvanizing steel pipe is equipped with epoxy resin filling near both ends, and the outside of both ends of hot galvanizing steel pipe is equipped with the epoxy resin plug of hemispherical shape, and the outer diameter of epoxy resin plug is greater than the inner diameter of hot galvanizing steel pipe.

[0008] Preferably, the hemispherical epoxy resin plug is integrally connected with the epoxy resin filling in the cavity of the hot galvanizing steel pipe.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] 1. The sealing ribs on both sides of the hot galvanizing steel pipe are welded, which enhances the overall reliability and stability of the wall-penetrating structure.

[0011] 2. The epoxy resin plug further improves the sealing performance of the structure, effectively resists the invasion of external shock waves, and has a protection level of nuclear 6, nuclear 6B, and conventional 6.

[0012] 3. The double-sided resistance sheet design forms double-impact protection, which not only resists impact waves from both sides, but also meets the requirements of nuclear 4, nuclear 4B, nuclear 5, and conventional 5 impact wave resistance load, significantly improving the impact resistance effect.

[0013] 4. In terms of protection function, the structure has the characteristics of anti-toxic, fireproof, and waterproof, and the oil flax and epoxy resin filled at both ends not only effectively buffer external shock waves, but also further enhance the sealing effect, ensuring the protection performance in complex environments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a schematic diagram of a hot galvanizing steel pipe threading structure according to an embodiment of the utility model.

[0015] Figure 2 Fig. 2 is a schematic diagram of a hot galvanizing steel pipe threading structure according to another embodiment of the utility model.

[0016] In the figure: 1, hot galvanizing steel pipe; 2, protective sealing wall; 3, sealing rib; 4, resistance sheet; 5, nut; 6, bolt; 7, cable or sheath wire; 8, sealing filler; 9, oil flax; 10, gasket; 11, epoxy resin plug. DETAILED DESCRIPTION

[0017] To make the purpose, principle and structure of the utility model clearer and more intelligible, the following further elaborates in combination with the drawings and specific embodiments.

[0018] Embodiment 1

[0019] Referring to Figure 1 , the embodiment 1 provides a hot-dip galvanized steel pipe threading structure, including a cylindrical structure of hot-dip galvanized steel pipe 1, the hot-dip galvanized steel pipe 1 vertically passes through the protective airtight wall 2, the outer side of the middle part of the hot-dip galvanized steel pipe 1 is welded with airtight rib 3, the thickness of the airtight rib 3 is greater than or equal to 5mm, the middle part of the hot-dip galvanized steel pipe 1 forms a cavity, the cable or sheath wire 7 passes through the cavity in the middle part of the hot-dip galvanized steel pipe 1, the two sides of the middle part of the cavity close to the resistance sheet 4 are filled with sealing filler 8, the inner side close to the sealing filler 8 is provided with an oil and hemp sealing layer 9, there is a certain gap in the middle of the oil and hemp sealing layer 9, so that even if the sealing filler 4 is damaged by impact force, the oil and hemp sealing layer 9 can still provide good protection function, and the gap between the oil and hemp 9 can produce a certain buffering effect on the external impact force, further improving the sealing effect. The two ends of the hot-dip galvanized steel pipe 1 are provided with resistance sheet 4, the outer side of the resistance sheet 4 is provided with a nut 5 upwards and downwards, the nut 5 is provided with gasket 10 between the resistance sheet 4, the nut 5 is connected with fixed bolt 6, the fixed bolt 6 is located in the inner side of the resistance sheet 4, the fixed bolt 6 is welded with the outer wall of the hot-dip galvanized steel pipe 1 after passing through the rear end of the resistance sheet 4, the hot-dip galvanized steel pipe threading structure can resist the effect of shock wave from both sides, ensure bilateral stress, and can resist nuclear 4 level, nuclear 4B level, nuclear 5 level and conventional 5 level shock wave.

[0020] Embodiment 2

[0021] Referring to Figure 2 , the embodiment 2 provides another hot-dip galvanized steel pipe threading structure, including a cylindrical structure of hot-dip galvanized steel pipe 1, the hot-dip galvanized steel pipe 1 vertically passes through the protective airtight wall 2, the outer side of the middle part of the hot-dip galvanized steel pipe 1 is welded with airtight rib 3, the thickness of the airtight rib 3 is greater than or equal to 5mm, the middle part of the hot-dip galvanized steel pipe 1 forms a cavity, the cable or sheath wire 7 passes through the cavity in the middle part of the hot-dip galvanized steel pipe 1, the two sides close to the end part of the middle part of the cavity are filled with epoxy resin material, the inner side close to the epoxy resin material is provided with an oil and hemp sealing layer 9, there is a certain gap in the middle of the oil and hemp sealing layer 9, so that even if the sealing filler 4 is damaged by impact force, the oil and hemp sealing layer 9 can still provide good protection function, and the gap between the oil and hemp 9 can produce a certain buffering effect on the external impact force, further improving the sealing effect, the outer side of the two ends of the hot-dip galvanized steel pipe 1 is provided with a hemispherical epoxy resin plug 11, the hemispherical epoxy resin plug 11 is connected with the epoxy resin in the cavity of the hot-dip galvanized steel pipe as a whole, and the outer diameter of the epoxy resin plug 11 is greater than the inner diameter of the hot-dip galvanized steel pipe 1. The hot-dip galvanized steel pipe threading structure can resist the shock wave from one side, resist up to nuclear 6 level, nuclear 6B level and conventional 6 level shock wave.

[0022] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and novel concept of the present application, makes equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A hot-dip galvanized steel pipe threading structure, characterized by The utility model provides a kind of heat galvanized steel pipe, the heat galvanized steel pipe passes through protective sealing wall, and sealing rib is welded in the middle outside of heat galvanized steel pipe; Resistance sheet is arranged at the both ends of heat galvanized steel pipe, and at least two nuts are arranged on the resistance sheet, the nut is located at the side away from heat galvanized steel pipe, and the nut is connected with bolt, and the bolt is welded with the outer wall of heat galvanized steel pipe after passing through the back end of resistance sheet; Cable or sheathed wire passes through heat galvanized steel pipe and resistance sheet at the both ends of heat galvanized steel pipe; Sealing filler and oil hemp are arranged in heat galvanized steel pipe, the sealing filler is arranged close to resistance sheet at both ends, and oil hemp is arranged away from resistance sheet at both ends. The thickness of sealing rib is greater than or equal to 5mm.

2. A threaded structure for a hot-dipped galvanized steel pipe according to claim 1, wherein The utility model provides a kind of heat galvanized steel pipe, the heat galvanized steel pipe passes through protective sealing wall, and sealing rib is welded in the middle outside of heat galvanized steel pipe; 3. A hot-dip galvanized steel pipe threading structure, characterized by Cable or sheathed wire passes through heat galvanized steel pipe; Oil hemp is arranged in the middle of cavity of heat galvanized steel pipe, and epoxy resin filling is arranged close to both ends of the cavity of heat galvanized steel pipe; Hemispherical epoxy resin plug is arranged at the outside of both ends of heat galvanized steel pipe, and the outer diameter of epoxy resin plug is greater than the inner diameter of heat galvanized steel pipe. The hemispherical epoxy resin plug is connected with epoxy resin filling in the cavity of heat galvanized steel pipe as a whole. ​ 4. A galvanised steel tube threading arrangement as claimed in claim 3, wherein, ​

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