Universal joint for large-diameter arc-shaped pipeline arrangement

Abstract

The utility model relates to a universal joint for large-diameter arc-shaped pipeline arrangement. The universal joint comprises a first connecting pipe and a second connecting pipe, the flexible pipe is connected with the first connecting pipe; the second connecting pipe is connected with the flexible pipe; the flexible pipe is sleeved with the adjusting ring, a gap is formed between the adjusting ring and the flexible pipe, and the adjusting ring is connected with the first connecting pipe and the second connecting pipe through a support. According to the universal joint, the first connecting pipe and the second connecting pipe which are in butt joint with the arc-shaped pipeline are provided, the flexible pipe is arranged between the first connecting pipe and the second connecting pipe, the problem that the shape finding of the arc-shaped pipeline is difficult to control accurately is solved through the bending deformation capacity of the flexible pipe, and the flexible pipe can be adjusted accurately through fine adjustment of the adjusting ring after installation. The arc-shaped pipeline can be smooth, the installation and positioning time of the arc-shaped pipeline is shortened, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering construction, in particular to a universal joint used for arranging large-diameter arc-shaped pipelines. Background Art

[0002] Large sports stadiums are mostly designed with circular, elliptical or curved structures. In order to ensure a beautiful layout, the electromechanical pipelines also need to be arranged along the curved structure. However, it is difficult to achieve shape control of the curved pipelines during actual construction, especially at the interface between two curved pipelines, where problems such as corner bending and unevenness often occur. At the same time, it is difficult to achieve corners for small-angle curved pipelines, making construction and installation positioning difficult. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a universal joint for the arrangement of large-diameter arc pipes, so as to solve the problems of angle bending and non-smoothness at the docking position of the existing arc pipes, as well as the problems that small-angle arcs are difficult to achieve and installation and positioning are difficult.

[0004] The technical solution to achieve the above purpose is:

[0005] The utility model provides a universal joint for arranging large-diameter arc-shaped pipelines, comprising:

[0006] a first connecting pipe;

[0007] a flexible tube connected to the first connecting tube;

[0008] a second connecting pipe connected to the flexible pipe;

[0009] An adjusting ring is sleeved on the flexible tube, a gap is provided between the adjusting ring and the flexible tube, and the adjusting ring is connected to the first connecting tube and the second connecting tube through a bracket.

[0010] The universal joint of the utility model provides a first connecting tube and a second connecting tube that are connected to the arc-shaped pipe. A flexible tube is arranged between the first connecting tube and the second connecting tube. The bending and deformation ability of the flexible tube solves the problem that the shape of the arc-shaped pipe is difficult to control accurately. The flexible tube can achieve smoothness of the arc-shaped pipe by fine-tuning the adjustment ring after installation, thereby reducing the installation and positioning time of the arc-shaped pipe and improving the installation efficiency.

[0011] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that it also includes a reinforcing rod for connecting the first connecting pipe and the second connecting pipe.

[0012] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that two reinforcement rods are provided and are arranged opposite to each other.

[0013] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that a first ear plate is provided on the first connecting pipe, and a second ear plate is provided on the second connecting pipe corresponding to the first ear plate;

[0014] The reinforcing rod is connected to the first ear plate and the second ear plate.

[0015] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that the bracket includes a vertical frame and a horizontal frame connected to the vertical frame;

[0016] The vertical frame is connected to the corresponding first connecting pipe and second connecting pipe;

[0017] The horizontal frame is connected to the adjusting ring.

[0018] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that the horizontal frame comprises a pair of horizontal plates arranged in parallel, and the ends of the pair of horizontal plates are clamped on the adjusting ring and then tightly connected with the adjusting ring.

[0019] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that four brackets are provided, two of which are connected to the first connecting pipe, and the other two brackets are connected to the second connecting pipe.

[0020] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that the two brackets connected to the first connecting pipe are arranged opposite to each other;

[0021] The two brackets connected to the second connecting pipe are also arranged opposite to each other, and the bracket connected to the second connecting pipe is staggered with the bracket connected to the first connecting pipe.

[0022] A further improvement of the universal joint for arranging large-diameter arc-shaped pipelines of the utility model lies in that the flexible pipe is a corrugated pipe.

[0023] A further improvement of the universal joint for arranging large-diameter arc-shaped pipes of the utility model is that the inner diameters of the first connecting pipe and the second connecting pipe are larger than the outer diameter of the arc-shaped pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the universal joint used for arranging large-diameter arc-shaped pipelines according to the utility model.

[0025] Figure 2 The utility model is a schematic diagram of a three-dimensional structure in which a reinforcing rod is arranged on a universal joint for arranging large-diameter arc-shaped pipelines.

[0026] Figure 3 for Figure 2 Side view of the structure shown.

[0027] Figure 4 for Figure 2 A front view of the end of the first connecting pipe of the structure shown. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] See also Figure 1 The utility model provides a universal joint for the arrangement of large-diameter arc pipes, which is used to solve the problems of angle bending and unevenness at the docking position of two arc pipes, and the arc pipe arrangement effect is neat and beautiful after installation. Traditional pipeline connections usually use welding, and most of the on-site welding is completed by manual welding. It is very difficult to locate and install the pipeline. The utility model solves the problem of the difficulty in accurately controlling the shape of the arc pipe during welding by setting a flexible pipe. When connecting, it is only necessary to align and weld the nodes of the arc pipes at both ends. After installation, fine-tuning can be performed to achieve smooth arc pipes, which can greatly reduce the installation and positioning time of the arc pipes, improve efficiency, and save costs. The utility model is described below in conjunction with the accompanying drawings.

[0030] See also Figure 1 , showing a three-dimensional structural schematic diagram of the universal joint used for arranging large-diameter arc-shaped pipes according to the utility model. Figure 1 , the universal joint of the utility model used for arranging large-diameter arc-shaped pipelines is described.

[0031] like Figure 1 As shown, the universal joint for large-diameter arc-shaped pipe arrangement of the utility model includes a first connecting tube 21, a flexible tube 22, a second connecting tube 23 and an adjusting ring 24. The flexible tube 22 is placed between the first connecting tube 21 and the second connecting tube 22, and the two ends of the flexible tube 22 are butt-connected with the corresponding first connecting tube 21 and the second connecting tube 22. The flexible tube 22 has a certain bending and deformation ability. The adjusting ring 24 is sleeved on the flexible tube 22. A gap is provided between the adjusting ring 24 and the flexible tube 22. The adjusting ring 24 is connected to the first connecting tube 21 and the second connecting tube 23 through a bracket 25.

[0032] Preferably, the inner diameter of the adjustment ring 24 is larger than the outer diameter of the flexible tube 22 .

[0033] When in use, the end of the first connecting tube 21 is used to connect to the corresponding arc-shaped pipe, and the end of the second connecting tube 23 is used to connect to the corresponding arc-shaped pipe. Through the bending and deformation ability of the flexible tube 22, smooth connection of the arc-shaped pipe is achieved.

[0034] In a specific embodiment of the present invention, Figure 2 As shown, a reinforcing rod 26 for connecting the first connecting tube 21 and the second connecting tube 23 is also included.

[0035] The reinforcement rod 26 can be provided to improve the structural strength of the universal joint so as to meet the pressure-bearing requirements of large-diameter arc-shaped pipelines.

[0036] Furthermore, combined with Figure 3 and Figure 4 As shown, two reinforcing rods 26 are provided and arranged opposite to each other.

[0037] Furthermore, the first connecting tube 21 is provided with a first ear plate 271, and the second connecting tube 23 is provided with a second ear plate 272 corresponding to the first ear plate 271; the reinforcing rod 26 is connected to the first ear plate 271 and the second ear plate 272. Specifically, through holes are provided on the first ear plate 271 and the second ear plate 272, and the ends of the reinforcing rod 26 pass through the corresponding through holes and are then screwed with a fastening nut, thereby achieving a fastening connection between the reinforcing rod 26 and the first ear plate 271 and the second ear plate 272. The reinforcing rod 26 is preferably a screw.

[0038] In a specific embodiment of the present invention, Figures 1 to 4 As shown, the bracket 25 includes a vertical frame 251 and a horizontal frame 252 connected to the vertical frame 251 ; the vertical frame 251 is connected to the corresponding first connecting pipe 21 and the second connecting pipe 23 ; the horizontal frame 252 is connected to the adjustment ring 24 .

[0039] Furthermore, the horizontal frame 252 includes a pair of horizontal plates arranged in parallel, the ends of which are clamped on the adjustment ring 24 and then fastened to the adjustment ring 24. Preferably, the adjustment ring 24 is provided with an adjustment hole, and the pair of horizontal plates are fastened to the adjustment hole by bolts.

[0040] Furthermore, four brackets 25 are provided, two of which are connected to the first connecting pipe 21 , and the other two brackets 25 are connected to the second connecting pipe 23 .

[0041] The two brackets 25 connected to the first connecting tube 21 are arranged opposite to each other; the two brackets 25 connected to the second connecting tube 23 are also arranged opposite to each other, and the brackets 25 connected to the second connecting tube 23 are staggered with the brackets 25 connected to the first connecting tube 21 .

[0042] Furthermore, the flexible tube 22 is a corrugated tube.

[0043] Furthermore, the inner diameters of the first connecting pipe 21 and the second connecting pipe 23 are larger than the outer diameter of the arc-shaped pipe.

[0044] In a specific embodiment of the present invention, the first connecting tube 21 and the second connecting tube 23 are aluminum alloy tubes, the flexible tube 22 is an aluminum alloy corrugated tube, the adjustment ring 24 is an aluminum alloy tube, the bracket 25 is also an aluminum alloy bracket, and the reinforcement rod 26 is an aluminum alloy rod.

[0045] In a specific implementation of the utility model, the universal joint of the utility model is suitable for small-angle bending arrangement of arc-shaped pipes, and the range of the small angle is greater than 0° and less than 5°.

[0046] The following is an explanation of the use of the universal joint for arranging large-diameter arc-shaped pipelines of the present invention.

[0047] During installation, the arc-shaped pipe is inserted into the first connecting pipe, and the arc-shaped pipe and the first connecting pipe are welded and fixed.

[0048] Then, the next arc-shaped pipe section is preliminarily positioned, the next arc-shaped pipe section is inserted into the second connecting pipe, and the next arc-shaped pipe section is fixed to the second connecting pipe by welding.

[0049] Shake the adjustment ring to adjust the curvature of the flexible pipe to make a smooth transition between the two sections of the curved pipe. Then pass the reinforcement rod through the corresponding first ear plate and second ear plate, and then tighten the fastening nut to complete the docking installation of the curved pipe.

[0050] The universal joint used for arranging large-diameter arc-shaped pipelines of the utility model can meet the arrangement and pressure-bearing requirements of large-diameter arc-shaped pipelines.

[0051] The universal joint used for arranging large-diameter arc-shaped pipes of the utility model can be deepened according to different pipe diameters, can be applicable to the installation of arc-shaped pipes of various sizes, and has strong promotional potential.

[0052] The utility model is a universal joint for arranging large-diameter arc-shaped pipes. The adjustment ring supports left and right fine-tuning of the shape, and can achieve a smooth arc transition section with a small angle at the interface position of two arc-shaped pipes, with a beautiful arrangement effect.

[0053] The universal joint for arranging large-diameter arc-shaped pipes of the utility model can meet the pressure-bearing requirements of large-diameter arc-shaped pipes by arranging a slightly curved reinforcement rod, a first ear plate, a second ear plate, etc., and is simple to install and easy to install and operate, thereby improving efficiency and saving costs.

[0054] The utility model is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various variations of the utility model according to the above description. Therefore, some details in the embodiments should not constitute a limitation of the utility model, and the scope of protection of the utility model shall be defined by the scope of the attached claims.

Claims

1. A universal joint for arranging large-diameter arc-shaped pipes, characterized in that: include: a first connecting pipe; a flexible tube connected to the first connecting tube; a second connecting pipe connected to the flexible pipe; An adjusting ring is sleeved on the flexible tube, a gap is provided between the adjusting ring and the flexible tube, and the adjusting ring is connected to the first connecting tube and the second connecting tube through a bracket.

2. The universal joint for arranging large-diameter arc-shaped pipes according to claim 1, characterized in that: The invention also includes a reinforcing rod for connecting the first connecting tube and the second connecting tube.

3. The universal joint for arranging large diameter arc-shaped pipes according to claim 2, characterized in that: The reinforcement rods are provided with two and are arranged opposite to each other.

4. The universal joint for arranging large diameter arc-shaped pipes according to claim 2, characterized in that: The first connecting pipe is provided with a first ear plate, and the second connecting pipe is provided with a second ear plate corresponding to the first ear plate; The reinforcing rod is connected to the first ear plate and the second ear plate.

5. The universal joint for arranging large diameter arc-shaped pipes according to claim 1, characterized in that: The support comprises a vertical frame and a horizontal frame connected to the vertical frame; The vertical frame is connected to the corresponding first connecting pipe and second connecting pipe; The horizontal frame is connected to the adjusting ring.

6. The universal joint for arranging large diameter arc-shaped pipes according to claim 5, characterized in that: The horizontal frame comprises a pair of horizontal plates arranged in parallel, and the ends of the pair of horizontal plates are clamped on the adjusting ring and are further fastened to the adjusting ring.

7. The universal joint for arranging large diameter arc-shaped pipes according to claim 1, characterized in that: There are four brackets, two of which are connected to the first connecting pipe, and the other two brackets are connected to the second connecting pipe.

8. The universal joint for arranging large diameter arc-shaped pipes according to claim 7, characterized in that: Two brackets connected to the first connecting pipe are arranged opposite to each other; The two brackets connected to the second connecting pipe are also arranged opposite to each other, and the bracket connected to the second connecting pipe is staggered with the bracket connected to the first connecting pipe.

9. The universal joint for arranging large diameter arc-shaped pipes according to claim 1, characterized in that: The flexible tube is a corrugated tube.

10. The universal joint for arranging large diameter arc-shaped pipes according to claim 1, characterized in that: The inner diameters of the first connecting pipe and the second connecting pipe are larger than the outer diameter of the arc-shaped pipeline.

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