Airtightness testing machine for epoxy glass fiber reinforced plastic pipeline

Abstract

The utility model belongs to the technical field of epoxy glass fiber reinforced plastic pipeline airtightness detection, and discloses an epoxy glass fiber reinforced plastic pipeline airtightness testing machine which comprises a gas cylinder box body, the right side of the gas cylinder box body is communicated with an airtight pipe, the other end of the airtight pipe is communicated with an airtight base, and an epoxy glass fiber reinforced plastic pipeline is inserted into the top end of the airtight base. The outer side of the epoxy glass fiber reinforced plastic pipeline further comprises an air tightness detection assembly. The airtight detection assembly comprises a fixed seat fixedly arranged on the outer side of the airtight base, a connecting rod is spirally arranged in the fixed seat, and through a rubber pad and a collecting pipe in the airtight detection assembly, in the airtight detection process of the epoxy glass fiber reinforced plastic pipeline, the airtight detection efficiency is improved. A rubber pad in the air tightness detection assembly can be tightly attached to the outer wall of the epoxy glass fiber reinforced plastic pipeline, when air leakage occurs, the air leakage position of the epoxy glass fiber reinforced plastic pipeline can be quickly found by directly raising the water level in the collecting pipe and displaying the height through the displayer, and the time required for air tightness detection is shortened.

Description

Technical Field

[0001] The utility model belongs to the technical field of air tightness detection of epoxy glass fiber reinforced plastic pipelines, in particular to an air tightness testing machine for epoxy glass fiber reinforced plastic pipelines. Background Art

[0002] Epoxy FRP pipes are low-pressure molded materials that are composited by epoxy resin matrix and reinforcing materials through the interface between the two. Before being put into use, the pipe wall of the epoxy FRP pipe needs to be inspected to determine whether there is any leakage.

[0003] At the same time, the application number is 202022950544.8, which is a gas-tightness verification device for a steel cylinder valve, "including a containing device, an air-tight device is arranged inside the containing device, the containing device includes a box, a rotating shaft is arranged on the inner wall of one side of the box, the rotating shaft passes through the inner wall of one side of the box, a motor is arranged on the end of the rotating shaft outside the box, a turntable is arranged on the end of the rotating shaft inside the box, a valve clarification is arranged around the turntable, the air-tightness device includes a ventilation pipe, the ventilation pipe is sleeved with the rotating shaft, a branch pipe is arranged inside the rotating shaft, the branch pipe is fixedly connected to the valve clarification at one end away from the rotating shaft, and the valve clarification is connected to the bottle clarification on the steel cylinder";

[0004] During use, the existing air tightness detection equipment can only detect the air tightness of the epoxy FRP pipe to determine whether there is a leak. The specific leakage location of the epoxy FRP pipe still requires staff to use other devices for secondary detection for more accurate search, which greatly increases the detection time of the epoxy FRP pipe.

[0005] Therefore, in view of the above problems, an air tightness testing machine for epoxy glass fiber reinforced plastic pipes is proposed. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides an air tightness testing machine for epoxy glass fiber reinforced plastic pipes, which has the advantage of quickly detecting the air leak position of the epoxy glass fiber reinforced plastic pipes.

[0007] To achieve the above object, the utility model provides the following technical solutions: an airtightness tester for epoxy glass fiber reinforced plastic pipes, comprising a gas cylinder box, an airtight pipe is connected to the right side of the gas cylinder box, an airtight base is connected to the other end of the airtight pipe, an epoxy glass fiber reinforced plastic pipe is plugged into the top of the airtight base, and an airtightness detection component is also provided on the outside of the epoxy glass fiber reinforced plastic pipe;

[0008] The airtight detection component includes a fixed seat fixedly arranged on the outside of the airtight base, a connecting rod is spirally arranged inside the fixed seat, a hydraulic lifting shaft 1 is fixedly arranged on the other end of the connecting rod, a closed cover plate is fixedly arranged on the top of the hydraulic lifting shaft 1, and the closed cover plate is tightly arranged against the epoxy fiberglass reinforced plastic pipe, a tight side plate is tightly arranged on the outside of the epoxy fiberglass reinforced plastic pipe, a collecting pipe is fixedly arranged inside the tight side plate, a rubber pad is connected to the left end of the collecting pipe, and the rubber pad is slidably arranged against the outside of the epoxy fiberglass reinforced plastic pipe.

[0009] Preferably, a fixing block is fixedly provided on the outer side of the closed cover plate, a hydraulic lifting shaft 2 is fixedly provided on the bottom end of the fixing block, and a positioning frame is fixedly provided on the other end of the hydraulic lifting shaft 2.

[0010] Preferably, a placement rack is fixedly provided on the right side of the side plate, and the placement rack is fixedly provided with the collection tube, and a display is fixedly provided on the front side of the collection tube, and the display passes through the placement rack.

[0011] Preferably, a telescopic shaft is fixedly provided on the right side of the placement rack, and the other end of the telescopic shaft is fixedly provided on the positioning rack. A spring is sleeved on the outer side of the telescopic shaft, and the spring is located between the positioning rack and the placement rack.

[0012] Preferably, columns are fixedly provided around the bottom end of the airtight base, and a base is fixedly provided at the other end of the column.

[0013] Preferably, a servo motor is fixedly arranged inside the top of the base, the main shaft end of the servo motor passes through the airtight base, a rotating plate is fixedly arranged at the main shaft end of the servo motor, and the rotating plate is slidably arranged with the epoxy fiberglass pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. In the process of air tightness detection of epoxy FRP pipes, the utility model can use the rubber pad in the air tightness detection component and the collecting tube to closely adhere to the outer wall of the epoxy FRP pipe. When leakage occurs, the water level inside the collecting tube is directly increased, and the height is displayed on the display, so that the leakage position of the epoxy FRP pipe can be quickly found, and the time required for air tightness detection can be shortened.

[0016] 2. The utility model uses a servo motor and a rotating plate structure. The servo motor drives the rotating plate to rotate inside the airtight base, controls the epoxy glass fiber reinforced plastic pipe to rotate inside the airtight base, performs circular drive detection on the epoxy glass fiber reinforced plastic pipe, and determines the leakage direction of the epoxy glass fiber reinforced plastic pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the enlarged structure of the utility model against the side plate;

[0019] Figure 3 It is a left side view of the utility model against the side plate;

[0020] Figure 4 This is a schematic diagram of the installation structure of the collecting pipe of the utility model;

[0021] Figure 5 It is a schematic diagram of the installation structure of the rotating plate of the utility model.

[0022] In the figure: 1. Gas cylinder box; 2. Airtight pipe; 3. Airtight base; 4. Epoxy fiberglass pipe;

[0023] 5. Airtightness detection assembly; 51. Fixed seat; 52. Connecting rod; 53. Hydraulic lifting shaft 1; 54. Closing cover; 55. Fixed block; 56. Hydraulic lifting shaft 2; 57. Positioning frame; 58. Placement frame; 59. Telescopic shaft; 510. Spring; 511. Press against side plate; 512. Collecting pipe; 513. Rubber pad; 514. Display;

[0024] 6. Base; 7. Column; 8. Servo motor; 9. Rotating plate. DETAILED DESCRIPTION

[0025] 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.

[0026] like Figures 1 to 5 As shown, the utility model provides an air tightness tester for epoxy glass fiber reinforced plastic pipes, comprising a gas cylinder box 1, an airtight pipe 2 is connected to the right side of the gas cylinder box 1, an airtight base 3 is connected to the other end of the airtight pipe 2, an epoxy glass fiber reinforced plastic pipe 4 is plugged into the top of the airtight base 3, and the inside of the epoxy glass fiber reinforced plastic pipe 4 is inflated through the gas cylinder box 1 and the airtight pipe 2 to perform airtightness detection, and an airtightness detection component 5 is also included on the outside of the epoxy glass fiber reinforced plastic pipe 4;

[0027] The airtight detection component 5 includes a fixed seat 51 fixedly arranged on the outside of the airtight base 3, a connecting rod 52 is spirally arranged inside the fixed seat 51, a hydraulic lifting shaft 53 is fixedly arranged on the other end of the connecting rod 52, a closed cover plate 54 is fixedly arranged on the top of the hydraulic lifting shaft 53, and the closed cover plate 54 is tightly arranged against the epoxy fiberglass reinforced plastic pipe 4, the hydraulic lifting shaft 53 controls the closed cover plate 54 to move up and down to close the top port of the epoxy fiberglass reinforced plastic pipe 4, a tight side plate 511 is tightly arranged against the outside of the epoxy fiberglass reinforced plastic pipe 4, a collecting pipe 512 is fixedly arranged inside the tight side plate 511, a rubber pad 513 is connected to the left end of the collecting pipe 512, and the rubber pad 513 is slidably arranged against the outside of the epoxy fiberglass reinforced plastic pipe 4, the rubber pad 513 is attached to the outer wall of the epoxy fiberglass reinforced plastic pipe 4, collects the leaked air, and guides it into the inside of the collecting pipe 512.

[0028] Specifically, a fixed block 55 is fixedly provided on the outer side of the closed cover plate 54, a hydraulic lifting shaft 56 is fixedly provided on the bottom end of the fixed block 55, a positioning frame 57 is fixedly provided on the other end of the hydraulic lifting shaft 56, and the hydraulic lifting shaft 56 can drive the positioning frame 57 to move up and down to control the height of the side plate 511.

[0029] Furthermore, a placement rack 58 is fixedly provided on the right side of the side plate 511, and the placement rack 58 is fixedly provided with the collecting tube 512. A display 514 is fixedly provided on the front side of the collecting tube 512, and the display 514 penetrates the placement rack 58. The side plate 511 is pressed against to guide the collected gas into the interior of the collecting tube 512, and the water level inside rises and is displayed through the display 514.

[0030] Furthermore, a telescopic shaft 59 is fixedly provided on the right side of the placement frame 58, and the other end of the telescopic shaft 59 is fixedly provided on the positioning frame 57. A spring 510 is sleeved on the outer side of the telescopic shaft 59, and the spring 510 is located between the positioning frame 57 and the placement frame 58. The telescopic shaft 59 is expanded by the outer spring 510 to push the side plate 511 tightly against the outer side of the epoxy fiberglass pipe 4.

[0031] It is worth noting that columns 7 are fixedly provided around the bottom end of the airtight base 3 , and a base 6 is fixedly provided at the other end of the column 7 , so that the airtight base 3 is supported by the base 6 and the columns 7 .

[0032] It is worth noting that a servo motor 8 is fixedly installed inside the top of the base 6, and the end of the main shaft of the servo motor 8 passes through the airtight base 3. A rotating plate 9 is fixedly installed at the end of the main shaft of the servo motor 8, and the rotating plate 9 is slidingly installed with the epoxy glass fiber reinforced plastic pipe 4. The servo motor 8 can drive the rotating plate 9 to rotate inside the airtight base 3 to control the epoxy glass fiber reinforced plastic pipe 4 to rotate.

[0033] Among them, the servo motor 8 is a prior art and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of this patent and will not be described in detail.

[0034] Working principle and process:

[0035] The staff places the epoxy glass fiber reinforced plastic pipe 4 to be tested inside the top of the airtight base 3, controls the hydraulic lifting shaft 1 53 in the airtight detection component 5 to descend, and can control the hydraulic lifting shaft 1 53 to lower the closed cover plate 54 to seal the top of the epoxy glass fiber reinforced plastic pipe 4. The gas cylinder inside the gas cylinder box 1 is inflated into the epoxy glass fiber reinforced plastic pipe 4 inside the airtight base 3 through the airtight pipe 2 to perform airtightness detection. The hydraulic lifting shaft 2 56 at the bottom of the fixed block 55 controls the positioning frame 57 to move up and down, and can control the telescopic shaft 5 The placement rack 58 connected by 9 and the side plate 511 are attached to the outer wall of the epoxy fiberglass reinforced plastic pipe 4, and the servo motor 8 inside the top of the base 6 drives the rotating plate 9 inside the airtight base 3 to rotate, which can control the rotation of the epoxy fiberglass reinforced plastic pipe 4. As the side plate 511 is pressed against the rubber pad 513 and the collecting pipe 512 to recover the leaked gas and fill it into the collecting pipe 512, the liquid level inside the collecting pipe 512 and the display 514 rises, which can facilitate the staff to observe and quickly determine the leakage direction of the epoxy fiberglass reinforced plastic pipe 4.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] 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. An epoxy glass fiber reinforced plastic pipe air tightness testing machine, comprising a gas cylinder box (1), characterized in that: The right side of the gas cylinder box (1) is connected to an airtight pipe (2), the other end of the airtight pipe (2) is connected to an airtight base (3), the top of the airtight base (3) is plugged with an epoxy glass fiber reinforced plastic pipe (4), and the outside of the epoxy glass fiber reinforced plastic pipe (4) also includes an airtight detection component (5); The airtight detection component (5) comprises a fixing seat (51) fixedly arranged on the outside of the airtight base (3), a connecting rod (52) being spirally arranged inside the fixing seat (51), a hydraulic lifting shaft (53) being fixedly arranged on the other end of the connecting rod (52), a closing cover plate (54) being fixedly arranged on the top end of the hydraulic lifting shaft (53), and the closing cover plate (54) being tightly arranged against the epoxy glass fiber reinforced plastic pipe (4), a pressing side plate (511) being tightly arranged against the outside of the epoxy glass fiber reinforced plastic pipe (4), a collecting pipe (512) being fixedly arranged inside the pressing side plate (511), a rubber pad (513) being connected to the left end of the collecting pipe (512), and the rubber pad (513) being slidingly arranged against the outside of the epoxy glass fiber reinforced plastic pipe (4).

2. The air tightness testing machine for epoxy glass fiber reinforced plastic pipe according to claim 1, characterized in that: A fixing block (55) is fixedly arranged on the outer side of the closed cover plate (54), a hydraulic lifting shaft 2 (56) is fixedly arranged on the bottom end of the fixing block (55), and a positioning frame (57) is fixedly arranged on the other end of the hydraulic lifting shaft 2 (56).

3. The air tightness testing machine for epoxy glass fiber reinforced plastic pipe according to claim 1, characterized in that: A placement rack (58) is fixedly arranged on the right side of the abutting side plate (511), and the placement rack (58) and the collection tube (512) are fixedly arranged. A display (514) is fixedly arranged on the front side of the collection tube (512), and the display (514) passes through the placement rack (58).

4. The air tightness testing machine for epoxy glass fiber reinforced plastic pipe according to claim 3, characterized in that: A telescopic shaft (59) is fixedly arranged on the right side of the placement frame (58), and the other end of the telescopic shaft (59) is fixedly arranged on the positioning frame (57). A spring (510) is sleeved on the outer side of the telescopic shaft (59), and the spring (510) is located between the positioning frame (57) and the placement frame (58).

5. The air tightness testing machine for epoxy glass fiber reinforced plastic pipe according to claim 1, characterized in that: The bottom of the airtight base (3) is fixedly provided with columns (7) all around, and the other end of the column (7) is fixedly provided with a base (6).

6. The air tightness testing machine for epoxy glass fiber reinforced plastic pipe according to claim 5, characterized in that: A servo motor (8) is fixedly arranged inside the top of the base (6), the main shaft end of the servo motor (8) passes through the airtight base (3), and a rotating plate (9) is fixedly arranged at the main shaft end of the servo motor (8), and the rotating plate (9) is slidably arranged with the epoxy glass fiber reinforced plastic pipe (4).

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