Pipeline connecting structure

Abstract

The utility model discloses a pipeline connecting structure and relates to the technical field of immersed tube inspection well construction, the pipeline connecting structure comprises an immersed tube and a main pipeline, a U-shaped opening is formed in one end of the bottom of the immersed tube in advance, and fixing plates are fixedly mounted on the outer surfaces of the two sides of the immersed tube; the two fixing plates are each provided with a positioning mechanism used for enhancing the stability of the immersed tube and the main line pipeline. Under the cooperation effect of the positioning plates and the like, the immersed tube is clamped to the main line pipeline through a U-shaped opening in the immersed tube, so that the pull rod is loosened, the two positioning plates are driven to position and fix the main line pipeline under the automatic reset effect of the reset spring, and then the stability of connection and installation of the immersed tube and the main line pipeline can be enhanced; in addition, the manual earth cutting amount and the concrete using amount can be reduced, the earth cutting difficulty can be reduced, and the inclination problem caused by unbalanced stress on the periphery of the pipeline due to manual earth cutting after bottom sitting can be effectively solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sinking pipe inspection well construction, in particular to a pipeline connecting structure. BACKGROUND

[0002] The existing sinking pipe inspection well construction method is to sink the vertical pipe to a certain distance from the pipeline through the sinking well process, and then excavate the remaining bottom soil to the design elevation by manual excavation and pour the bottom sealing concrete.

[0003] After the sinking pipe is sunk to a certain distance from the main pipeline, certain support measures need to be taken before the next step of manual excavation, which is complicated, and the pipe bottom is prone to uneven stress, causing the sinking pipe well to tilt. In addition, manual excavation, as the time of personnel working in the pipe well increases, the safety risk gradually rises and the outer expansion part of the soil is difficult to excavate and form. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving or at least alleviating the problems in the prior art that after the sinking pipe is sunk to a certain distance from the main pipeline, certain support measures need to be taken before the next step of manual excavation, which is complicated, and the pipe bottom is prone to uneven stress, causing the sinking pipe well to tilt.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pipeline connecting structure, comprising a sinking pipe and a main pipeline, a U-shaped opening is preformed at one end of the bottom of the sinking pipe, a fixing plate is fixedly installed on the outer surface of each side of the sinking pipe, and a positioning mechanism for enhancing the stability of the sinking pipe and the main pipeline is arranged on the two fixing plates;

[0006] The positioning mechanism comprises sliding columns on the two fixing plates, a connecting seat is fixedly installed at one end of the bottom of each sliding column, a positioning plate is fixedly installed on the outer wall of the bottom of each connecting seat, a connecting plate is fixedly installed at one end of the top of each sliding column, the same pull rod is fixedly installed on the outer wall of the top of each connecting plate, a reset spring is sleeved on each sliding column, and the two ends of each reset spring are fixedly installed on the outer wall of the side of the connecting seat and the fixing plate that are close to each other.

[0007] By pulling the pull rod to move upward, the pull rod moves upward to drive the two connecting plates, the two sliding columns, the two connecting seats and the two positioning plates to move upward and compress the reset spring, the U-shaped opening on the sinking pipe can be clamped on the main pipeline at this time, the pull rod is loosened and the two positioning plates are driven to position and fix the main pipeline through the automatic resetting action of the reset spring, thereby the stability of the sinking pipe and the main pipeline connecting installation can be enhanced, the amount of manual excavation, the amount of concrete and the difficulty of excavation can be reduced, and the tilting problem caused by the uneven stress around the pipeline due to manual excavation after sitting on the bottom can be effectively reduced.

[0008] Optionally, the top outer wall of the fixed plate is provided with a sliding hole, and the sliding column is slidingly installed in the sliding hole.

[0009] By setting the sliding hole, the sliding column can be limited to move.

[0010] Optionally, the two positioning plates are arc-shaped and are in close contact with the main pipeline.

[0011] By setting the two positioning plates to be arc-shaped and in close contact with the main pipeline, the positioning installation is facilitated.

[0012] Optionally, the side of each of the two positioning plates close to the main pipeline is provided with an anti-skid pad for increasing friction.

[0013] By setting the anti-skid pad, the friction between the positioning plate and the main pipeline can be increased.

[0014] Optionally, the main pipeline is located in a U-shaped port on the immersed tube, the height of the straight section of the U-shaped port is equal to the radius of the main pipeline, and the radius of the arc section of the U-shaped port is equal to the radius of the main pipeline.

[0015] By setting the radius of the arc section of the U-shaped port to be equal to the radius of the main pipeline, the installation and fixation are facilitated.

[0016] Optionally, the bottom outer surface of the main pipeline is symmetrically provided with two adjusting seats, the bottom outer wall of each of the two adjusting seats is fixedly provided with an extension rod, and the bottom end of each of the two extension rods is fixedly provided with a bottom plate.

[0017] By setting the extension rod, the extension rod can play a role of auxiliary adjustment and support.

[0018] Optionally, the side outer surface of each of the two extension rods is provided with a threaded hole, and a fixed bolt is screwed in each of the two threaded holes.

[0019] By pulling the extension rod to move upward, the height of the main pipeline can be adjusted, the position can be adjusted according to the needs of the construction site, the extension rod can be fixed and limited by rotating the fixed bolt, and the sinking of the main pipeline is prevented.

[0020] Optionally, the top outer wall of the bottom plate is symmetrically provided with four through holes for cooperating with external expansion bolts for installation.

[0021] By setting the through holes, the bottom plate can be fixed and installed by the external expansion bolts, and the stability is improved.

[0022] In summary, the application has the following advantages:

[0023] 1. In the new application, the positioning plate and other components cooperate to clamp the main pipeline through the U-shaped opening on the sinking pipe, thereby loosening the pull rod and automatically resetting the pull rod through the reset spring, driving the two positioning plates to position and fix the main pipeline, thereby enhancing the stability of the sinking pipe and the main pipeline connection and installation, reducing the amount of manual excavation, the amount of concrete used, and the difficulty of excavation, and effectively reducing the tilting problem caused by uneven stress around the pipeline due to manual excavation after sitting on the bottom.

[0024] 2. In the new application, the extension rod and other components cooperate to move upward by pulling the extension rod, thereby adjusting the height of the main pipeline, facilitating the adjustment of the position according to the needs of the construction site, and fixing and limiting the extension rod by rotating the fixing bolt to prevent the main pipeline from sinking. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the overall schematic diagram of the application;

[0026] Figure 2 is the positioning plate schematic diagram of the application;

[0027] Figure 3 is the U-shaped opening schematic diagram of the application;

[0028] Figure 4 is the extension rod schematic diagram of the application.

[0029] BRIEF DESCRIPTION OF DRAWINGS: In the figure: 1, sinking pipe; 2, main pipeline; 3, positioning plate; 4, bottom plate; 5, connecting seat; 6, sliding column; 7, sliding hole; 8, fixed plate; 9, reset spring; 10, connecting plate; 11, pull rod; 12, U-shaped opening; 13, extension rod; 14, threaded hole; 15, fixing bolt; 16, adjusting seat; 17, through hole. DETAILED DESCRIPTION

[0030] The following will be combined with the Figures 1-4 The application will be further described in detail.

[0031] Please refer to Figures 1-3 A pipeline connection structure, comprising a sinking pipe 1 and a main pipeline 2, the bottom end of the sinking pipe 1 is pre-provided with a U-shaped opening 12, which facilitates connection with the main pipeline 2, the outer surfaces of both sides of the sinking pipe 1 are fixedly installed with fixed plates 8, and the two fixed plates 8 are provided with positioning mechanisms for enhancing the stability of the sinking pipe 1 and the main pipeline 2;

[0032] The positioning mechanism comprises sliding columns 6 on the two fixed plates 8, a connecting seat 5 fixedly installed at one end of the bottom of the sliding column 6, a positioning plate 3 fixedly installed on the outer wall of the bottom of the connecting seat 5, a connecting plate 10 fixedly installed on the sliding column 6, a pull rod 11 fixedly installed with the connecting plate 10, a reset spring 9 sleeved on the sliding column 6, and the reset spring 9 is arranged to automatically reset, and the two ends of the two reset springs 9 are fixedly installed on the outer walls of the sides of the connecting seat 5 and the fixed plate 8 close to each other.

[0033] In use, the pull rod 11 is pulled upward to move upward, which drives the two connecting plates 10, the two sliding columns 6, the two connecting seats 5 and the two positioning plates 3 to move upward and compress the reset spring 9, at this time, the U-shaped port 12 on the pipe 1 is clamped on the main pipeline 2, and then the pull rod 11 is released and the two positioning plates 3 are driven to position and fix the main pipeline 2 by the automatic resetting action of the reset spring 9, thereby the stability of the connection and installation of the pipe 1 and the main pipeline 2 is improved, the amount of manual excavation, the amount of concrete and the difficulty of excavation are reduced, and the tilting problem caused by the uneven stress around the pipeline due to manual excavation after sitting on the bottom is effectively reduced.

[0034] With reference to Figure 1 and Figure 2 , the top outer wall of the fixed plate 8 is provided with a sliding hole 7, and the sliding column 6 is slidingly installed in the sliding hole 7. The sliding hole 7 is arranged to limit the movement of the sliding column 6.

[0035] With reference to Figure 1 and Figure 2 , the two positioning plates 3 are arc-shaped and are in close contact with the main pipeline 2. The two positioning plates 3 are arc-shaped and are in close contact with the main pipeline 2, which facilitates positioning and installation.

[0036] With reference to Figure 2 , the side of each of the two positioning plates 3 close to the main pipeline 2 is provided with an anti-skid pad for improving the friction. The anti-skid pad is arranged to improve the friction between the positioning plate 3 and the main pipeline 2.

[0037] With reference to Figure 1 and Figure 3 , the main pipeline 2 is located in the U-shaped port 12 on the pipe 1, the height of the straight section of the bayonet of the U-shaped port 12 is equal to the radius of the main pipeline 2, and the radius of the arc section of the U-shaped port 12 is equal to the radius of the main pipeline 2. The radius of the arc section of the U-shaped port 12 is equal to the radius of the main pipeline 2, which facilitates installation and fixation.

[0038] With reference to Figure 1 and Figure 4The outer bottom surface of the main line pipeline 2 is symmetrically fixedly provided with two adjusting seats 16, the outer bottom wall of each adjusting seat 16 is fixedly provided with an extension rod 13, and the bottom end of each extension rod 13 is fixedly provided with a bottom plate 4. The extension rod 13 can assist in adjusting and supporting.

[0039] Referring to Figure 4 The outer side surface of each extension rod 13 is provided with a threaded hole 14, and the threaded hole 14 is screwed with a fixed bolt 15. The extension rod 13 is pulled to move upwards, so that the height of the main line pipeline 2 can be adjusted, the position can be adjusted according to the needs of the construction site, the extension rod 13 can be fixed and limited by rotating the fixed bolt 15, and the phenomenon of sinking of the main line pipeline 2 is prevented.

[0040] Referring to Figure 1 and Figure 4 The top outer wall of the bottom plate 4 is symmetrically provided with four through holes 17 for cooperating with external expansion bolts. The through holes 17 are provided, so that the bottom plate 4 can be fixedly installed by external expansion bolts, and the stability is improved.

[0041] The implementation principle of the application is as follows: in use, first, the pull rod 11 is pulled to move upwards, the pull rod 11 moves upwards to drive the two connecting plates 10, the two sliding columns 6, the two connecting seats 5 and the two positioning plates 3 to move upwards, and the reset spring 9 is compressed, at this time, the U-shaped port 12 on the sinking pipe 1 can be clamped on the main line pipeline 2, the pull rod 11 is loosened, and the two positioning plates 3 are driven to position and fix the main line pipeline 2 by the automatic reset action of the reset spring 9, so that the stability of the sinking pipe 1 and the main line pipeline 2 can be improved, the amount of manual excavation, the amount of concrete and the difficulty of excavation can be reduced, the tilting problem caused by uneven stress around the pipeline due to manual excavation after sitting on the bottom can be effectively reduced;

[0042] The extension rod 13 is pulled to move upwards, so that the height of the main line pipeline 2 can be adjusted, the position can be adjusted according to the needs of the construction site, the extension rod 13 can be fixed and limited by rotating the fixed bolt 15, and the phenomenon of sinking of the main line pipeline 2 is prevented.

[0043] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A pipe connection structure comprising a sinking pipe (1) and a main line pipe (2), characterized in that: The bottom end of the immersed pipe (1) is provided with a U-shaped opening (12), and the outer surfaces of the two sides of the immersed pipe (1) are fixedly provided with fixed plates (8), and the two fixed plates (8) are provided with positioning mechanisms for enhancing the stability of the immersed pipe (1) and the main pipeline (2). The positioning mechanism comprises sliding columns (6) provided on the two fixed plates (8), the bottom end of the two sliding columns (6) is fixedly provided with connecting seats (5), the bottom outer wall of the two connecting seats (5) is fixedly provided with positioning plates (3), the top end of the two sliding columns (6) is fixedly provided with connecting plates (10), the top outer wall of the two connecting plates (10) is fixedly provided with the same pull rod (11), the two sliding columns (6) are provided with reset springs (9), and the two ends of the two reset springs (9) are fixedly provided on the outer walls of the sides of the connecting seat (5) and the fixed plate (8) that are close to each other.

2. A pipe coupling according to claim 1, wherein: The top outer wall of the fixed plate (8) is provided with a sliding hole (7), and the sliding column (6) is slidingly installed in the sliding hole (7).

3. A pipe coupling according to claim 1, wherein: The two positioning plates (3) are arc-shaped and are attached to the main pipeline (2).

4. A pipe coupling according to claim 3, wherein: The side of the two positioning plates (3) close to the main pipeline (2) is provided with anti-skid pads for improving friction.

5. A pipe coupling according to claim 4, wherein: The main pipeline (2) is located in the U-shaped opening (12) of the immersed pipe (1), and the height of the straight section of the bayonet of the U-shaped opening (12) is equal to the radius of the main pipeline (2), and the radius of the arc section of the U-shaped opening (12) is equal to the radius of the main pipeline (2).

6. A pipe coupling according to claim 5, wherein: The bottom outer surfaces of the main pipeline (2) are fixedly provided with two adjusting seats (16), the bottom outer walls of the two adjusting seats (16) are fixedly provided with telescopic rods (13), and the bottom end of the two telescopic rods (13) is fixedly provided with a bottom plate (4).

7. A pipe coupling according to claim 6, wherein: The outer surfaces of the two telescopic rods (13) are provided with threaded holes (14), and the two threaded holes (14) are screwed with fixed bolts (15).

8. A pipe coupling according to claim 1, wherein: The top outer wall of the bottom plate (4) is symmetrically provided with four through holes (17) for cooperating with external expansion bolts.

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