Plugging device for hydrostatic test of high-working-pressure large-diameter glass reinforced plastic pipe

Abstract

The utility model discloses a high-working-pressure large-diameter glass steel pipe hydrostatic test plugging device which comprises a pipe groove, an embedded part is embedded in the inner wall of the pipe groove, connecting plates are fixedly assembled at the upper end and the lower end of the embedded part respectively, the two connecting plates penetrate through the pipe groove and are connected with a plugging structure, the inner wall of the pipe groove is connected with a glass steel pipe through a support, and the glass steel pipe is connected with the plugging structure through the support. The plugging structure for the hydrostatic test and the glass steel pipe are assembled through the pipe groove, the glass steel pipe is installed on the inner wall of the pipe groove through a support, the stability of the glass steel pipe is guaranteed through the support, the end of the other side of the glass steel pipe is connected with a top cover through a flange, and meanwhile the interior of the top cover is communicated with a water pressure pipeline. The installation stability of the plugging structure is guaranteed through the effect of the embedded part, the embedded part and the plugging structure are connected through the connecting plate, through the arrangement of the plugging structure, labor is saved, opening and closing can be achieved at any time, the welding plugging mode is avoided, and the working efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastic pipe water pressure test, in particular to a high working pressure large-diameter glass fiber reinforced plastic pipe water pressure test plugging device. Background Art

[0002] The large-diameter FRP pipe water pressure test refers to the water pressure test of FRP pipes with larger diameters to verify their pressure resistance under the design pressure. The water pressure test is one of the commonly used pipeline test methods, which can ensure that the pipeline will not leak or burst during use, and ensure the safety and reliability of the project. The existing high-pressure large-diameter FRP pipe water pressure test requires the use of a sealing plate to weld and seal the pipe mouth during the plugging work. This method is time-consuming and labor-intensive, and has low safety and poor practicality. Utility Model Content

[0003] The utility model aims to provide a high working pressure large diameter glass fiber reinforced plastic pipe water pressure test plugging device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-working pressure large-diameter glass fiber reinforced plastic pipe water pressure test plugging device, comprising a pipe groove, the inner wall of the pipe groove is embedded with embedded parts, the upper and lower ends of the embedded parts are fixedly equipped with connecting plates, the two connecting plates pass through the pipe groove and are connected to the plugging structure, the inner wall of the pipe groove is connected to the glass fiber reinforced plastic pipe through a bracket, and the upper end of the glass fiber reinforced plastic pipe is connected to a pressure gauge.

[0005] Preferably, the blocking structure includes a support plate, which is assembled between two connecting plates. The two support plates are connected by long screws. Hydraulic cylinders are symmetrically assembled on the upper and lower ends of the side walls of the support plate. The piston rod ends of the two hydraulic cylinders are fixedly assembled with blocking plates. The side of the blocking plate close to the pipe groove is a hollow sphere. The side wall of the blocking plate is fixedly connected with a plug, and the outer wall of the plug is sleeved with a sealing ring.

[0006] Preferably, it also includes a stabilizing structure, which includes a clamping plate, which is embedded in the outer wall surface of the pipe groove, and the inner wall of the clamping plate is screwed with a screw rod, which penetrates the pipe groove and the connecting plate and is screwed with the embedded part.

[0007] Preferably, the diameter of the sealing ring on the side close to the blocking plate is larger than the diameter of the side away from the blocking plate, and the sealing ring is inclined when viewed from the side.

[0008] Compared with the prior art, the utility model has the following beneficial effects: a plugging structure and a FRP pipe for water pressure test are assembled through a pipe groove; the FRP pipe is installed on the inner wall of the pipe groove through a bracket; the stability of the FRP pipe is ensured by the bracket; the other end of the FRP pipe is connected to the top cover through a flange; at the same time, the top cover is connected to the water pressure pipeline; the stability of the installation of the plugging structure is ensured by the embedded parts; the embedded parts and the plugging structure are connected by a connecting plate; the setting of the plugging structure saves labor, can be switched on and off at any time, avoids the use of welding plugging, and ensures work efficiency; the water pressure in the pipeline can be observed by the setting of the pressure gauge, avoids dangers such as pipe burst, and ensures the safety and stability of the equipment during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model;

[0010] Figure 2 It is a three-dimensional schematic diagram of the plugging structure;

[0011] Figure 3 for Figure 1 A schematic diagram of the enlarged structure in the middle.

[0012] In the figure: 1-pipe groove, 2-embedded parts, 3-connecting plate, 4-sealing structure, 41-support plate, 42-long screw, 43-hydraulic cylinder, 44-blocking plate, 45-insertion pipe, 46-sealing ring, 5-pressure gauge, 6-glass fiber reinforced plastic pipe, 7-bracket, 8-stabilizing structure, 81-screw, 82-card. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figure 1-3 The utility model provides a high-pressure large-diameter glass fiber reinforced plastic pipe water pressure test plugging device, including a pipe groove 1, the inner wall of the pipe groove 1 is embedded with an embedded part 2, the upper and lower ends of the embedded part 2 are fixedly equipped with connecting plates 3, the two connecting plates 3 pass through the pipe groove 1 and are connected with a plugging structure 4, the inner wall of the pipe groove 1 is connected with a glass fiber reinforced plastic pipe 6 through a bracket 7, and the upper end of the glass fiber reinforced plastic pipe 6 is connected with a pressure gauge 5.

[0015] A plugging structure 4 and a FRP pipe 6 for water pressure test are assembled through the pipe groove 1. The FRP pipe 6 is installed on the inner wall of the pipe groove 1 through a bracket 7. The stability of the FRP pipe 6 is ensured by the bracket 7. The other end of the FRP pipe 6 is connected to the top cover through a flange. At the same time, the top cover is connected to the water pressure pipeline. The stability of the installation of the plugging structure 4 is ensured by the embedded part 2. The embedded part 2 and the plugging structure 4 are connected by the connecting plate 3. The setting of the plugging structure 4 saves labor and can be opened and closed at any time, avoiding the use of welding plugging method to ensure work efficiency. The water pressure in the pipeline can be observed by the setting of the pressure gauge 5 to avoid dangers such as pipe burst in the pipeline and ensure safety and stability during equipment testing.

[0016] The blocking structure 4 includes a support plate 41, which is assembled between the two connecting plates 3. The two support plates 41 are connected by long screws 42. Hydraulic cylinders 43 are symmetrically assembled at the upper and lower ends of the side walls of the support plate 41. The piston rod ends of the two hydraulic cylinders 43 are fixedly assembled with blocking plates 44. The side of the blocking plate 44 close to the pipe groove 1 is a hollow sphere. The side wall of the blocking plate 44 is fixedly connected with a plug 45, and the outer wall of the plug 45 is sleeved with a sealing ring 46.

[0017] When the blocking structure 4 is needed, first open the two hydraulic cylinders 43 to control the piston rod to move toward the direction of the FRP pipe 6. At this time, the blocking plate 44 can be driven to move. The side of the blocking plate 44 close to the pipe groove 1 is a hollow sphere, which can thin the plate and save raw materials. At the same time, the pressure-bearing capacity can be guaranteed. At this time, the insert tube 45 is inserted into the FRP pipe 6, and the sealing ring 46 of the outer wall is driven to fit tightly against the inner wall of the FRP pipe 6. The support plate 41 is connected between the connecting plates 3 by long screws 42 to ensure the stability of the installation.

[0018] It also includes a stabilizing structure 8, which includes a clamping plate 82, which is embedded in the outer wall surface of the pipe groove 1, and the inner wall of the clamping plate 82 is screwed with a screw 81, which penetrates the pipe groove 1 and the connecting plate 3 and is screwed with the embedded part 2.

[0019] When the embedded part 2 is installed, the clamping plate 82 is fitted into the pipe groove 1 and fixed with cement. At the same time, the screw 81, the pipe groove clamping plate 82 and part of the pipe groove 1 are penetrated, and the upper connecting plate 3 is also screwed to the embedded part 2 to better ensure stability.

[0020] The diameter of the sealing ring 46 on the side close to the blocking plate 44 is larger than the diameter of the side away from the blocking plate 44 , and the sealing ring 46 is inclined when viewed from the side.

[0021] As the sealing ring 46 continues to penetrate into the glass fiber reinforced plastic tube 6, the sealing effect can be better ensured.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-pressure large-diameter glass fiber reinforced plastic pipe water pressure test plugging device, characterized in that: The invention comprises a pipe groove (1), wherein an embedded part (2) is embedded in the inner wall of the pipe groove (1), and connecting plates (3) are fixedly mounted at the upper and lower ends of the embedded part (2), and the two connecting plates (3) penetrate the pipe groove (1) and are connected to a blocking structure (4); the inner wall of the pipe groove (1) is connected to a glass fiber reinforced plastic pipe (6) through a bracket (7), and the upper end of the glass fiber reinforced plastic pipe (6) is connected to a pressure gauge (5); The blocking structure (4) comprises a support plate (41), the support plate (41) is mounted between two connecting plates (3), the two support plates (41) are connected via long screws (42), hydraulic cylinders (43) are symmetrically mounted at the upper and lower ends of the side wall of the support plate (41), the piston rod ends of the two hydraulic cylinders (43) are fixedly mounted with a blocking plate (44), the side of the blocking plate (44) close to the pipe groove (1) is a hollow sphere, the side wall of the blocking plate (44) is fixedly connected with a plug (45), and the outer wall of the plug (45) is sleeved with a sealing ring (46).

2. According to claim 1, a high-pressure large-diameter glass fiber reinforced plastic pipe water pressure test plugging device is characterized in that: The invention also comprises a stabilizing structure (8), wherein the stabilizing structure (8) comprises a clamping plate (82), the clamping plate (82) being embedded in the outer wall surface of the pipe groove (1), the inner wall of the clamping plate (82) being screwed with a screw rod (81), and the screw rod (81) passing through the pipe groove (1) and the connecting plate (3) and being screwed with the embedded part (2).

3. The high-pressure large-diameter glass fiber reinforced plastic pipe water pressure test plugging device according to claim 2 is characterized by: The diameter of the sealing ring (46) on the side close to the blocking plate (44) is larger than the diameter of the side away from the blocking plate (44), and the sealing ring (46) is inclined when viewed from the side.

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