Hough joint convenient to install

Abstract

The utility model relates to the field of pipeline connection, and discloses a Haff joint convenient to install, which comprises a first sealing component and a second sealing component, the first sealing component is fixedly installed at the top of the second sealing component, the first sealing component comprises a first arc-shaped shell, first connecting plates are welded at the two ends of the first arc-shaped shell, and the second sealing component is fixedly installed at the top of the second sealing component. Transverse square holes are uniformly formed in the upper surface of the first connecting plate; the first sealing component comprises a first arc-shaped shell, the second sealing component comprises a second arc-shaped shell, second connecting plates are welded to the two ends of the second arc-shaped shell, and longitudinal square holes are evenly formed in the surfaces of the second connecting plates. And the alignment difficulty of underwater connection between the first sealing component and the second sealing component is reduced, the underwater and water flow operation efficiency with low visibility is improved, and the use requirements of people are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pipeline connection, concretely relates to a half joint convenient to install. BACKGROUND

[0002] Half joint is a kind of key device commonly used in modern water delivery engineering, ocean engineering pipeline connection and repair construction, is the key link of building and maintaining underwater infrastructure, usually by two adjustable semicircular body and matched rubber gasket is formed, by simple fastening bolt connection mode, realize the quick wrapping and sealing of pipeline connection or defect site. In view of half joint with its no welding, quick installation and easy maintenance and other advantages, it occupies an important position in the field of pipeline connection, becomes the preferred scheme of underwater pipeline connection.

[0003] However, in underwater pipeline connection construction, the installation of traditional half joint faces a series of difficulties. Usually, the installation of half joint requires the accurate alignment of the fastening bolt holes on the two half cylinders, which is the prerequisite for the subsequent fastening bolt to pass through and fasten smoothly, and is crucial for establishing reliable pipeline sealing. But the underwater environment is often very low visibility, even if using professional diving lighting equipment, the operator is difficult to clearly identify the alignment mark or fastening bolt hole on the half cylinder of half joint unit, which directly hinders the quick and accurate alignment process. In addition, the instability of water flow and water pressure may cause the half cylinder to sway and deviate, resulting in the need to repeat the alignment work, which seriously slows down the construction progress.

[0004] These problems not only seriously affect the construction efficiency, but also may cause poor connection sealing due to inaccurate alignment, leaving leakage hazards, threatening the environment and engineering safety. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of half joint convenient to install, solve the following technical problems: underwater pipeline connection in traditional half joint installation faces the technical problem of great alignment difficulty, low underwater visibility and water flow affect operation efficiency.

[0006] The purpose of the utility model can be realized by the following technical scheme: a kind of half joint convenient to install, comprising: first sealing component and second sealing component, the first sealing component is fixedly installed at the top of second sealing component, the first sealing component includes first arc-shaped shell, the both ends of the first arc-shaped shell are welded with first connecting plate, the upper surface of the first connecting plate is evenly provided with horizontal square hole;

[0007] The second sealing component includes second arc-shaped shell, the both ends of the second arc-shaped shell are welded with second connecting plate, the surface of the second connecting plate is evenly provided with longitudinal square hole.

[0008] As a preferred scheme of the utility model: the inner surface of the first arc-shaped shell and the second arc-shaped shell is symmetrically provided with a limiting ring.

[0009] As a preferred scheme of the utility model: the outer surface of the limiting ring is connected with a binding belt.

[0010] As a preferred scheme of the utility model: the binding belt is provided with a rubber hose on the inner surface of the first arc-shaped shell and the second arc-shaped shell.

[0011] As a preferred scheme of the utility model: the upper surface of the first connecting plate and the second connecting plate is uniformly welded with a reinforcing rib plate.

[0012] As a preferred scheme of the utility model: the upper surface of the reinforcing rib plate is welded with a lifting rod.

[0013] As a preferred scheme of the utility model: the selected rubber hose has a compression amount of ten to forty millimeters, and the fastening bolt is inserted into the transverse square hole.

[0014] The utility model has the advantages of:

[0015] (1) the utility model constructs a underwater fastening bolt cross guide system through the combination design of the transverse square hole of the second arc-shaped shell and the longitudinal square hole of the first arc-shaped shell, utilizes the linear edge of the square hole to provide tactile guidance, effectively overcomes the fastening bolt installation problem under the visual limited environment, speeds up the fastening bolt butt joint speed, enhances the accuracy and efficiency of underwater assembly, allows certain installation error simultaneously, improves the flexibility and success rate of construction;

[0016] (2) the utility model constructs a set of high-efficiency underwater fastening bolt cross hole guide mechanism through the innovative combination of the transverse square hole of the second arc-shaped shell and the longitudinal square hole of the first arc-shaped shell.Compared with the standard circular hole, this cross guide hole design greatly optimizes the positioning and assembly process under the underwater visual limited condition, and the operator can rely on the tactile to quickly identify the edge of the guide groove, and directly reach the fastening bolt installation center along the intuitive linear path, without the need for fine visual alignment, which reduces the fastening bolt butt joint time and enhances the assembly efficiency.The design of square hole allows certain installation error tolerance, and even in the case that the initial alignment of the fastening bolt is not completely accurate, the operator can also realize correct connection through fine adjustment, thereby increasing the flexibility and success rate of construction. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings.

[0018] Figure 1 It is a half joint structure schematic view;

[0019] Figure 2A state structure schematic diagram for the half joint is shown in Figure 1;

[0020] Figure 3 A structure schematic diagram for the first sealing component is shown in Figure 2;

[0021] Figure 4 A structure schematic diagram for the second sealing component is shown in Figure 3.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, first sealing component; 2, second sealing component; 11, first arc-shaped shell; 12, reinforcing rib plate; 13, first connecting plate; 14, transverse square hole; 15, fastening bolt; 21, limiting ring; 22, binding belt; 23, second arc-shaped shell; 24, lifting rod; 25, second connecting plate; 26, longitudinal square hole; 27, rubber hose. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-4 The present application discloses a half joint convenient to install, which comprises a first sealing component 1 and a second sealing component 2. The first sealing component 1 is fixedly installed on the top of the second sealing component 2. The first sealing component 1 comprises a first arc-shaped shell 11. The two ends of the first arc-shaped shell 11 are welded with first connecting plates 13. The upper surfaces of the first connecting plates 13 are uniformly provided with transverse square holes 14.

[0025] The second sealing component 2 comprises a second arc-shaped shell 23. The two ends of the second arc-shaped shell 23 are welded with second connecting plates 25. The surfaces of the second connecting plates 25 are uniformly provided with longitudinal square holes 26.

[0026] The inner surfaces of the first arc-shaped shell 11 and the second arc-shaped shell 23 are symmetrically provided with limiting rings 21 on both sides. The outer surfaces of the limiting rings 21 are connected with binding belts 22, so that the rubber hose 27 can be fixedly installed on the inner surfaces of the first arc-shaped shell 11 and the second arc-shaped shell 23.

[0027] The binding belt 22 binds the rubber hose 27 on the inner surface of the first arc-shaped shell 11 and the second arc-shaped shell 23, wherein the rubber hose 27 is embedded in the inner surface of the first arc-shaped shell 11 and the second arc-shaped shell 23 as a key sealing element, and the rubber hose 27 has a compression amount of 10-40 mm, and when the upper second arc-shaped shell section is tightly connected through the fastening bolt 15, the rubber hose 27 is compressed and deformed, thereby effectively preventing medium leakage at the interface, ensuring the sealing integrity between the half section and the target pipes A and B, and improving the reliability and durability of the entire connection system.

[0028] The upper surface of the first connecting plate 13 and the second connecting plate 25 is uniformly welded with the reinforcing rib plate 12, which can effectively guide and disperse stress, thereby increasing the overall rigidity of the half section structure, and ensuring the integrity and stability during installation and use.

[0029] The upper surface of the reinforcing rib plate 12 is welded with the lifting rod 24, which can facilitate the hoisting and transportation of the first arc-shaped shell 11 and the second arc-shaped shell 23.

[0030] The working principle of the utility model discloses: when connecting between A and B pipelines under water, first, the second arc-shaped shell 23 is fixedly connected with one end of pipe A on the water surface, then pipe B is hoisted to the specified position of pipe A connection, and pipe B is fixedly connected with the second arc-shaped shell 23, so that the end of pipe A and pipe B is aligned on the upper surface of the second arc-shaped shell 23, and pipe A and pipe B drive the second arc-shaped shell 23 into water simultaneously, so that the underwater installation time of half joint is reduced, the first arc-shaped shell 11 and the second arc-shaped shell 23 can be reliably connected with pipe A and pipe B, the joint strength is enhanced, and the underwater pipe head butt joint of the two pipe sections during pipe sinking is facilitated, and the underwater butt joint efficiency of the pipe joint is improved, so after pipe A and pipe B are installed under water, the hoisting rope is connected with the hoisting rod 24 at both ends of the second arc-shaped shell 23, the first arc-shaped shell 11 is hoisted to the upper side of the second arc-shaped shell 23 under water and then enters water, then the operator gets into water, the fastening bolt 15 is inserted into the horizontal square hole 14 at both ends of the first arc-shaped shell 11 in alignment, until the bottom end of the fastening bolt 15 penetrates the longitudinal square hole 26 at both ends of the second arc-shaped shell 23, then the fastening nut is connected with the fastening bolt 15, the distance between the first connecting plate 13 and the second connecting plate 25 is tightened, the rubber hose 27 is pressed against the outer surface of pipe A and pipe B, thereby playing a sealing role, until the two shells are completely butt-jointed on both sides, and the pipeline connection work is finally completed, wherein, when the first connecting plate 13 and the second connecting plate 25 are aligned, the horizontal square hole 14 and the longitudinal square hole 26 are aligned to form a cross-shaped guide hole, and the cross-shaped guide hole creates a more intuitive physical guide path under the limited underwater visual environment, compared with the circular hole, the straight edge of the square hole provides tactile guidance for the operator, and by virtue of the enhanced tactile feedback, the fastening bolt installation center can be reached along the intuitive linear path, the fastening bolt alignment difficulty is reduced, the assembly efficiency is improved, the underwater connection operation is ensured to be fast and accurate, so by arranging the horizontal square hole 14 and the longitudinal square hole 26 at both ends of the first arc-shaped shell 11 and the second arc-shaped shell 23, the alignment difficulty of the first sealing part 1 and the second sealing part 2 under water is reduced, the underwater operation efficiency under the low visibility and water flow is improved, and the use requirement of people is met.

[0031] The above embodiment of the utility model is described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as limiting the implementation scope of the utility model. Any equivalent change and improvement within the scope of the utility model application shall still belong to the patent coverage scope of the utility model.

Claims

1. A hirth joint for ease of installation, comprising: A first sealing component (1) and a second sealing component (2), the first sealing component (1) is fixedly installed on the top of the second sealing component (2); The first sealing component (1) comprises a first arc-shaped shell (11), both ends of the first arc-shaped shell (11) are welded with a first connecting plate (13), and the upper surface of the first connecting plate (13) is uniformly provided with a transverse square hole (14). The second sealing component (2) comprises a second arc-shaped shell (23), both ends of the second arc-shaped shell (23) are welded with a second connecting plate (25), and the surface of the second connecting plate (25) is uniformly provided with a longitudinal square hole (26).

2. A hirth coupling for ease of installation according to claim 1, wherein, The inner surfaces of the first arc-shaped shell (11) and the second arc-shaped shell (23) are symmetrically provided with a limiting ring (21).

3. A hirth coupling for ease of installation according to claim 2, wherein, The outer surface of the limiting ring (21) is connected with a binding belt (22).

4. A hirth coupling for ease of installation according to claim 3, wherein, The binding belt (22) is bound with a rubber hose (27) on the inner surfaces of the first arc-shaped shell (11) and the second arc-shaped shell (23).

5. A hirth coupling for ease of installation according to claim 4, wherein, The upper surfaces of the first connecting plate (13) and the second connecting plate (25) are uniformly welded with a reinforcing rib plate (12).

6. A hirth coupling for ease of installation according to claim 5, wherein, The upper surface of the reinforcing rib plate (12) is welded with a lifting rod (24).

7. A hirth joint for ease of installation according to claim 6, wherein, The selected rubber hose (27) has a compression amount of ten to forty millimeters, and the transverse square hole (14) is inserted with a fastening bolt (15).

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