A device for testing a corrugated pipe

Abstract

The utility model relates to a kind of for corrugated pipe pressure testing device, comprising: support, its top end has mounting surface;Conveyor, the conveyor is set on mounting surface, and conveyor includes sorting component;Protective shell, the protective shell is set in the outside of conveyor, and protective shell outer surface is provided with control panel;Transshipment fixing mechanism, the transshipment fixing mechanism includes driving assembly and adjusting assembly, and driving assembly is set in the inside of protective shell;Detection mechanism, the detection mechanism includes lifting assembly and test component.The for corrugated pipe pressure testing device, corrugated pipe is sent into transshipment fixing mechanism inside using conveyor, then, using detection mechanism detects corrugated pipe in transshipment fixing mechanism, after detection, transshipment fixing mechanism returns corrugated pipe to conveyor output, so that corrugated pipe can be continuously sealed pressure testing detection, so that the whole pressure testing efficiency of device is better.

Description

Technical Field

[0001] This utility model relates to the field of pipe testing technology, specifically to a device for testing corrugated pipes. Background Technology

[0002] In piping systems, the core reason why corrugated pipes need to be pressure tested lies in their unique structural characteristics and key functional positioning. Corrugated pipes absorb displacement caused by thermal expansion and contraction, mechanical vibration or foundation settlement of the pipeline through corrugation deformation, while maintaining sealing and structural integrity. Pressure testing is a line of defense to verify whether they can safely perform these functions.

[0003] The traditional bellows pressure testing device seals both ends directly during the sealing pressure test and then introduces air pressure into the bellows for testing. This often requires manual operation and placement on the pressure testing equipment's workbench, making the manual operation of bellows testing cumbersome and resulting in poor testing continuity. Therefore, a new bellows pressure testing device is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a pressure testing device for bellows, which solves the problem of poor efficiency in bellows sealing pressure testing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bellows pressure testing device, comprising:

[0006] The bracket has a mounting surface at its top;

[0007] The conveyor is mounted on the mounting surface and includes a sorting component for rejecting defective corrugated pipes;

[0008] A protective shell is installed outside the transport aircraft, and a control panel is provided on the outer surface of the protective shell.

[0009] The transfer and fixing mechanism includes a drive component and an adjustment component. The drive component is located inside the protective shell and is used to drive the adjustment component to rotate, so that the bellows fixed inside can be flipped to multiple positions.

[0010] The testing mechanism includes a lifting component and a testing component. The lifting component is used to move the testing component to the bellows where the adjusting component is fixed to test the bellows.

[0011] In one embodiment, the drive assembly includes a drive unit disposed on one side of the protective shell, and a first rotating shaft is provided at the output end of the drive unit. The first rotating shaft is rotatably connected to the protective shell through a bearing.

[0012] In one embodiment, the adjustment assembly includes two positioning plates and two fastening plates. The two fastening plates are located between the two positioning plates. The positioning plates are fixed on a first rotating shaft. A double-ended screw is rotatably connected between the positioning plates. One end of the double-ended screw is provided with a screw head. The fastening plate is sleeved on the first rotating shaft and threadedly connected to the double-ended screw. A vacuum suction cup is provided on the opposite side of the fastening plate. A vent hole communicating with the vacuum suction cup is opened on the top of the fastening plate.

[0013] In one embodiment, the lifting assembly includes a lifting cylinder, four stabilizer bars, and a carrier plate. The lifting cylinder is on the protective shell and its output end is connected to the carrier plate. The four stabilizer bars are respectively arranged on the front and rear sides of the conveyor track and their other ends are connected to the protective shell. The carrier plate is sleeved on the outside of the stabilizer bar assembly and is used by the lifting cylinder to drive the carrier plate to move up and down on the stabilizer bar.

[0014] In one embodiment, the test assembly includes a dual-actuator linear module and an air pump. The dual-actuator linear module is disposed at the bottom of the carrier plate. The two output ends of the dual-actuator linear module are respectively provided with a blind plate and a flange via a triangular bracket. A sensor is disposed on one side of the blind plate extending into the bellows. The air pump is disposed on the outer peripheral wall of the protective shell. The outlet of the air pump is connected to the flange inlet via a telescopic hose.

[0015] In one embodiment, the sorting assembly includes a limiting cylinder and a guide groove both disposed on the side of the conveyor. The limiting cylinder is fixed with a second rotating shaft by a bearing. A baffle plate is fixed on the outer peripheral wall of the second rotating shaft. The baffle plate is located at the inlet of the guide groove. An adjusting cylinder is hinged to the bottom of the second rotating shaft, with one end of the cylinder hinged to the side of the conveyor.

[0016] In one embodiment, a plurality of casters are evenly distributed at the bottom of the bracket.

[0017] In one embodiment, baffles are provided on both the front and back of the transport aircraft to cover the transport corrugated pipe.

[0018] In one embodiment, the control panel is electrically connected to the drive unit in the drive assembly, the air pump and the double-acting linear module in the test assembly, the lifting cylinder in the lifting assembly, the conveyor, and the adjusting cylinder in the sorting assembly.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] 1. This device for testing bellows uses a conveyor to send the bellows into the transfer and fixing mechanism. Then, a testing mechanism tests the bellows in the transfer and fixing mechanism. After testing, the transfer and fixing mechanism returns the bellows to the conveyor output, so that the bellows can be continuously tested for sealing, making the overall testing efficiency of the device better.

[0021] 2. This device is used for bellows pressure testing. The transfer and fixing mechanism can fix and adjust bellows of different models, making it suitable for pressure testing by the testing mechanism and improving the overall practicality of the device.

[0022] 3. This device is used for bellows pressure testing. The sorting component is used in conjunction with the control panel to directly remove unqualified bellows through the sorting component, thereby further improving the efficiency of bellows pressure testing. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the sorting component structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the transfer and fixing mechanism of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the testing mechanism of this utility model.

[0027] In the diagram: 1. Support frame; 2. Conveyor; 3. Guide groove; 4. Limiting cylinder; 5. Second rotating shaft; 6. Adjusting cylinder; 7. Baffle plate; 8. Protective shell; 9. Drive unit; 10. First rotating shaft; 11. Positioning plate; 12. Double-ended screw; 13. Fastening plate; 14. Vent hole; 15. Vacuum suction cup; 16. Tightening head; 17. Carrier plate; 18. Stabilizing bar; 19. Lifting cylinder; 20. Double-acting linear module; 21. Triangular bracket; 22. Blind plate; 23. Sensor; 24. Flange; 25. Air pump. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-4 A bellows pressure testing device in this embodiment includes:

[0030] Bracket 1 has a mounting surface at its top;

[0031] Conveyor 2, which is mounted on the mounting surface, includes a sorting assembly for rejecting defective corrugated pipes;

[0032] Protective shell 8 is installed outside the transport machine 2, and a control panel is provided on the outer surface of the protective shell 8.

[0033] The transfer and fixing mechanism includes a drive component and an adjustment component. The drive component is located inside the protective shell 8 and is used to drive the adjustment component to rotate, so that the bellows fixed inside can be flipped to multiple positions.

[0034] The testing mechanism includes a lifting assembly and a testing assembly. The lifting assembly is used to move the testing assembly to the bellows where the adjusting assembly is fixed to test the bellows.

[0035] In this embodiment, the drive assembly includes a drive unit 9, which is disposed on one side of the protective shell 8. The output end of the drive unit 9 is provided with a first rotating shaft 10, which is rotatably connected to the protective shell 8 through a bearing.

[0036] It should be understood that the contact method between one end of the bellows and the conveyor 2 is such that after the conveyor 2 transports the bellows of a specific length to the adjustment assembly, the bellows is fixed. Then, the drive unit 9 can drive the first rotating shaft 10 to rotate the bellows in the adjustment assembly to a horizontal position, so that the testing mechanism can perform a sealing pressure test on the bellows.

[0037] The drive unit 9 can be a geared motor, servo motor, or other motor that can achieve a self-locking function, and can be selected according to the actual application site.

[0038] In this embodiment, the adjustment assembly includes two positioning plates 11 and two fastening plates 13. The two fastening plates 13 are located between the two positioning plates 11. The positioning plates 11 are fixed on the first rotating shaft 10. A double-ended screw 12 is rotatably connected between the positioning plates 11. One end of the double-ended screw 12 is provided with a screw head 16. The fastening plate 13 is sleeved on the first rotating shaft 10 and threadedly connected to the double-ended screw 12. A vacuum suction cup 15 is provided on the opposite side of the fastening plate 13. A vent hole 14 communicating with the vacuum suction cup 15 is opened on the top of the fastening plate 13.

[0039] It should be understood that rotating the double-ended screw 12 causes the fastening plate 13 to move relative to or away from each other due to the opposite direction of the threads on both ends of the double-ended screw 12, thereby enabling the vacuum suction cup 15 to contact different types of bellows. The external vacuum pump is connected to the vacuum suction cup 15 through the vent hole 14, thereby achieving the fastening of the bellows.

[0040] The screw head 16 is covered with a silicone sleeve to increase friction with the hand, making it easier to rotate the double-ended screw 12.

[0041] In addition, the two vacuum suction cups 15 are arranged in a V-shape, and the vacuum suction cups 15 are made of silicone, which makes it easy for the corrugated tube to enter between the two vacuum suction cups 15 and fit tightly with them, so as to make the vacuum fastening effect better.

[0042] In this embodiment, the lifting assembly includes a lifting cylinder 19, four stabilizer bars 18, and a carrier plate 17. The lifting cylinder 19 is on the protective shell 8, and its output end is connected to the carrier plate 17. The four stabilizer bars 18 are respectively arranged on the front and rear sides of the conveyor 2 track, and their other ends are connected to the protective shell 8. The carrier plate 17 is sleeved on the outside of the stabilizer bars 18, and is used by the lifting cylinder 19 to drive the carrier plate 17 to move up and down on the stabilizer bars 18.

[0043] It should be understood that when the bellows is driven to be placed horizontally by the drive assembly, the lifting cylinder 19 descends, causing the carrier plate 17 to drive the test assembly down to the bellows, thereby achieving the sealing pressure test.

[0044] The stabilizer bar 18 improves the stability of the carrier plate 17 during vertical movement.

[0045] In this embodiment, the test assembly includes a dual-actuator linear module 20 and an air pump 25. The dual-actuator linear module 20 is disposed at the bottom of the carrier plate 17. The two output ends of the dual-actuator linear module 20 are respectively provided with a blind plate 22 and a flange 24 through a triangular bracket 21. The blind plate 22 extends into the bellows and a sensor 23 is disposed on one side. The air pump 25 is disposed on the outer peripheral wall of the protective shell 8. The outlet of the air pump 25 is connected to the inlet of the flange 24 through a telescopic hose.

[0046] It should be understood that after the bellows is placed horizontally and fixed, the double-acting linear module 20 moves relative to the bellows, causing the flange 24 and the blind plate 22 to seal the two ends of the bellows respectively. The sensor 23 monitors the air pressure inside the pipe in real time. The air pump 25 introduces gas into the bellows through the flange 24 via the telescopic hose. The sensor 23 can capture minute pressure changes inside the pipe and feed the data back to the control panel for judgment. After the sealing pressure test is completed, the drive unit 9 drives the first rotating shaft 10 to continue rotating 90 degrees, so that the other end of the bellows contacts the bellows. The external vacuum pump releases the air, so that the vacuum suction cup 15 does not vacuum-adhere to the bellows, allowing the bellows to continue to be transported.

[0047] Among them, sensor 23 is a high-precision pressure sensor that can sense minute pressure changes inside the pipe, thereby accurately determining whether the bellows sealing performance is good and avoiding damage to the pipe caused by over-inflation.

[0048] In addition, the flange 24 and the blind plate 22 can be selected according to different bellows models, and then installed on the triangular bracket 21 for use, so as to be compatible with various bellows pressure tests.

[0049] In this embodiment, the sorting component includes a limiting cylinder 4 and a guide groove 3 both disposed on the side of the conveyor 2. The limiting cylinder 4 is fixed with a second rotating shaft 5 by a bearing. A baffle plate 7 is fixed on the outer peripheral wall of the second rotating shaft 5. The baffle plate 7 is located at the inlet of the guide groove 3. An adjusting cylinder 6 is hinged to the bottom of the second rotating shaft 5, one end of which is hinged to the side of the conveyor 2.

[0050] It should be understood that when the control panel determines that the bellows sealing pressure test is unqualified, the regulating cylinder 6 is activated to drive the second rotating shaft 5 to rotate in the direction of the conveyor 2 track with the rotation point of the limit cylinder 4 as the center, so that the baffle plate 7 blocks the track transport road, thereby removing the unqualified bellows from the guide groove 3.

[0051] In this embodiment, multiple casters are evenly arranged at the bottom of the bracket 1.

[0052] It should be understood that the casters make the device easy to adjust its position and convenient to move around.

[0053] In this embodiment, baffles are provided on both the front and back of the transport aircraft 2 to shield the transport aircraft 2 from transporting the corrugated pipe.

[0054] The baffle is designed to protect the corrugated pipes on transport aircraft 2, preventing them from shifting and falling and causing damage.

[0055] In this embodiment, the control panel is electrically connected to the drive unit 9 in the drive assembly, the air pump 25 and the double-acting linear module 20 in the test assembly, the lifting cylinder 19 in the lifting assembly, the conveyor 2, and the adjusting cylinder 6 in the sorting assembly.

[0056] It should be understood that the control panel settings allow for more flexible allocation and better controllability of structures such as the drive unit 9 in the drive assembly, the air pump 25 and the double-acting linear module 20 in the test assembly, the lifting cylinder 19 in the lifting assembly, the conveyor 2, and the adjusting cylinder 6 in the sorting assembly.

[0057] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0058] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A device for testing the pressure of bellows, characterized in that, include: The bracket (1) has a mounting surface at its top; The conveyor (2) is mounted on the mounting surface and includes a sorting component for rejecting unqualified corrugated pipes; A protective shell (8) is provided outside the transport machine (2), and a control panel is provided on the outer surface of the protective shell (8); The transfer and fixing mechanism includes a drive component and an adjustment component. The drive component is located inside the protective shell (8). The drive component is used to drive the adjustment component to rotate so that the bellows fixed inside can be flipped to multiple positions. The testing mechanism includes a lifting component and a testing component. The lifting component is used to move the testing component to the bellows where the adjusting component is fixed to test the bellows.

2. The device for testing bellows according to claim 1, characterized in that, The drive assembly includes a drive unit (9), which is disposed on one side of the protective shell (8). The output end of the drive unit (9) is provided with a first rotating shaft (10), which is rotatably connected to the protective shell (8) through a bearing.

3. The bellows pressure testing device according to claim 2, characterized in that, The adjustment assembly includes two positioning plates (11) and two fastening plates (13). The two fastening plates (13) are located between the two positioning plates (11). The positioning plates (11) are fixed on the first rotating shaft (10). A double-headed screw (12) is rotatably connected between the positioning plates (11). A screw head (16) is provided at one end of the double-headed screw (12). The fastening plate (13) is sleeved on the first rotating shaft (10) and threadedly connected to the double-headed screw (12). A vacuum suction cup (15) is provided on the opposite side of the fastening plate (13). A vent hole (14) communicating with the vacuum suction cup (15) is opened on the top of the fastening plate (13).

4. The bellows pressure testing device according to claim 1, characterized in that, The lifting assembly includes a lifting cylinder (19), four stabilizer bars (18) and a carrier plate (17). The lifting cylinder (19) is on the protective shell (8) and its output end is connected to the carrier plate (17). The four stabilizer bars (18) are respectively set on the front and rear sides of the conveyor (2) track and the other end is connected to the protective shell (8). The carrier plate (17) is sleeved on the outside of the stabilizer bar (18) and is used for the lifting cylinder (19) to drive the carrier plate (17) to move up and down on the stabilizer bar (18).

5. The bellows pressure testing device according to claim 4, characterized in that, The test assembly includes a dual-actuator linear module (20) and an air pump (25). The dual-actuator linear module (20) is located at the bottom of the carrier plate (17). The two output ends of the dual-actuator linear module (20) are respectively equipped with a blind plate (22) and a flange (24) through a triangular bracket (21). The blind plate (22) extends into the bellows and is equipped with a sensor (23) on one side. The air pump (25) is located on the outer peripheral wall of the protective shell (8). The outlet of the air pump (25) is connected to the inlet of the flange (24) through a telescopic hose.

6. The bellows pressure testing device according to claim 1, characterized in that, The sorting assembly includes a limiting cylinder (4) and a guide groove (3) both located on the side of the conveyor (2). The limiting cylinder (4) is fixed with a second rotating shaft (5) by a bearing. A baffle plate (7) is fixed on the outer peripheral wall of the second rotating shaft (5). The baffle plate (7) is located at the inlet of the guide groove (3). An adjusting cylinder (6) with one end hinged to the bottom of the second rotating shaft (5) is connected to the side of the conveyor (2).

7. The device for testing bellows according to claim 1, characterized in that, The bottom of the bracket (1) is evenly provided with multiple casters.

8. The bellows pressure testing device according to claim 1, characterized in that, The transport machine (2) is equipped with baffles on both the front and back sides to cover the transport corrugated pipes transported by the transport machine (2).

9. A bellows pressure testing device according to any one of claims 1, 2, 4, and 5, characterized in that, The control panel is electrically connected to the drive unit (9) in the drive assembly, the air pump (25) and the double-acting linear module (20) in the test assembly, the lifting cylinder (19) in the lifting assembly, the transport machine (2) and the adjusting cylinder (6) in the sorting assembly.

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