Corrugated pipe sealing performance detection device

Abstract

The utility model discloses a corrugated pipe sealing performance detection device which comprises a detection table, a rotary feeding mechanism, a sealing butt joint mechanism and a detection mechanism, a support is fixedly arranged on the detection table, a rotating shaft is rotatably arranged in the middle of the detection table, spiral augers are symmetrically and fixedly arranged on the rotating shaft, and a first motor is fixedly arranged on one side of the detection table. A storage bin is fixedly arranged in the middle of the support, the bottom of the storage bin is open, first sliding grooves are symmetrically formed in the bottom of the storage bin, a baffle is slidably installed between the first sliding grooves, a sealing butt joint mechanism is arranged on the rear side of the support, and a detection mechanism is arranged on one side of the detection table. The baffle is pulled to open the storage bin for discharging, the first motor drives the rotating shaft and the spiral auger to rotate so as to be matched with a corrugated pipe protrusion to push discharging, the sealing sleeve is driven by the two-way threaded rod to move oppositely to sleeve the two ends of the corrugated pipe, and then the rubber ring and the sealing cover are attached to the corrugated pipe for sealing. The problem that the sealing performance detection effect is affected by gas leakage easily is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows processing, in particular to a bellows sealing performance detection device. Background Art

[0002] Bellows mainly include metal bellows, bellows expansion joints, bellows heat exchange tubes, diaphragm boxes and metal hoses, etc. Metal bellows are mainly used to compensate for pipeline thermal deformation, shock absorption, and absorb pipeline settlement deformation. They are widely used in petrochemical, instrumentation, aerospace, chemical, electric power, cement, metallurgy and other industries. The sealing performance of bellows needs to be tested using special testing equipment;

[0003] The utility model with application number 202022349448.8 discloses a sealing performance detection device for bellows processing. By providing a fixed plug and a connector, it is convenient to fix the two ends of the bellows. A fixing block, a threaded column and a rubber pad are provided to enhance the fixing effect. The detection device is convenient for fixing the bellows. During the detection process, the bellows is not easily loosened due to improper fixation, thereby reducing the detection error and improving the accuracy of the detection result. There is no need to waste a lot of time to fix the bellows, which improves the work efficiency of the detection work, facilitates the test of the sealing performance of the bellows, and brings great convenience to the detection work. By providing a threaded column and a threaded hole, the position of the rubber pad can be adjusted up and down, so that it can adapt to bellows of more diameters, and the design of the electric push rod enables it to adapt to bellows of more lengths. The detection device is easy to adjust and can adapt to the detection of bellows of various sizes, which is conducive to the daily detection work, improves the applicability of the detection device, and reduces the use defects of the device;

[0004] However, before each inspection, the above-mentioned bellows processing sealing performance detection device needs to manually remove the previous group of bellows and then align the bellows for inspection. It is impossible to perform batch inspection on the bellows, resulting in low inspection efficiency. When the above-mentioned bellows processing sealing performance detection device performs air blowing inspection, the two ends of the bellows body only rely on fixed plugs to push the bellows and the connecting head to dock. The lack of effective sealing can easily cause gas leakage and affect the sealing performance detection effect. Therefore, the utility model proposes a bellows sealing performance detection device to solve the problems existing in the prior art. Utility Model Content

[0005] In view of the above problems, the purpose of the utility model is to propose a bellows sealing performance testing device, which opens the storage bin to discharge materials by pulling the baffle. When discharging materials, the first motor drives the rotating shaft and the spiral auger to rotate to cooperate with the protrusion of the bellows to push the materials out, thereby solving the problem of manual handling and alignment of the bellows for testing. The sealing sleeve is driven by a two-way threaded rod to move toward each other and cover the two ends of the bellows, and then the rubber ring and the sealing cover are fitted to the bellows to seal. This solves the problem of insufficient sealing at both ends of the bellows during testing, which may easily cause gas leakage and affect the sealing performance test effect.

[0006] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a bellows sealing performance detection device, including a detection platform, a rotating feeding mechanism, a sealing docking mechanism and a detection mechanism, the rotating feeding mechanism includes a bracket, a rotating shaft, a spiral auger, a first motor, a storage bin, a first slide groove, and a baffle, the detection platform is fixed with a bracket, a rotating shaft is rotatably provided in the middle of the detection platform, a spiral auger is symmetrically fixed on the rotating shaft, a first motor is fixed on one side of the detection platform, the output end of the first motor is drivingly connected to the rotating shaft, a storage bin is fixed in the middle of the bracket, the bottom of the storage bin is open, and the bottom is symmetrically provided with a first slide groove, a baffle is slidably installed between the first slide grooves, a sealing docking mechanism is provided on the rear side of the bracket, and a detection mechanism is provided on one side of the detection platform.

[0007] A further improvement is that a support seat is fixedly provided in the middle of the detection platform, a through hole is opened below the support seat, and the rotating shaft rotates through the through hole.

[0008] A further improvement is that the sealed docking mechanism includes an electric telescopic rod, a telescopic frame, a bidirectional screw, a second motor, a threaded sleeve, a sealing sleeve and a sealing mechanism; the electric telescopic rod is symmetrically fixed on the rear side of the bracket; the telescopic frame is fixedly provided at the telescopic end of the electric telescopic rod; a bidirectional screw is rotatably provided on the front side of the telescopic frame; a second motor is fixedly provided on one side of the telescopic frame; the output end of the second motor is drivingly connected to the bidirectional screw; a threaded sleeve is symmetrically provided with a threaded matching sleeve on the bidirectional screw; a sealing sleeve is fixedly provided on the front side of the threaded sleeve; a sealing mechanism is provided inside the sealing sleeve.

[0009] A further improvement is that a second sliding groove is provided on the front side of the telescopic frame, a sliding block is fixedly provided on the rear side of the threaded sleeve, and the sliding block slides along the second sliding groove.

[0010] A further improvement is that the sealing mechanism comprises a rubber ring and a sealing cover, a rubber ring is fixedly provided on the inner side of the sealing sleeve, a sealing cover is fixedly provided around one side of the sealing sleeve, and the sealing cover is fixedly connected to the rubber ring.

[0011] A further improvement is that the detection mechanism includes an air pump, an air tank, a pressure gauge and a connecting hose. An air pump is fixedly provided on one side of the detection platform, the air pump is connected to an air tank, a pressure gauge is fixedly installed at the front end of the air tank, and a connecting hose is connected to the pressure gauge.

[0012] A further improvement is that the connecting hose is communicated with a sealing sleeve on one side.

[0013] The beneficial effects of the utility model are as follows: the utility model opens the storage bin to discharge materials by pulling the baffle plate, and when discharging materials, the first motor drives the rotating shaft and the spiral auger to rotate to facilitate the cooperation with the protrusion of the bellows to push the materials out, thereby solving the problem of manual handling and alignment of the bellows for inspection during testing, and the sealing sleeve is driven by the two-way threaded rod to move toward each other and cover the two ends of the bellows, and then the rubber ring and the sealing cover are fitted to the bellows for sealing, thereby solving the problem of insufficient sealing at both ends of the bellows during inspection, which may easily cause gas leakage and affect the sealing performance inspection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall top sectional view of the utility model;

[0015] Figure 2 It is a side sectional view of the storage bin of the utility model;

[0016] Figure 3 This is a front sectional view of the sealing sleeve of the utility model;

[0017] Figure 4 It is a side sectional view of the support seat of the utility model.

[0018] Among them: 1. testing table; 2. bracket; 3. rotating shaft; 4. spiral auger; 5. first motor; 6. storage bin; 7. first slide; 8. baffle; 9. support seat; 10. through hole; 11. electric telescopic rod; 12. telescopic frame; 13. bidirectional screw; 14. second motor; 15. threaded sleeve; 16. sealing sleeve; 17. second slide; 18. slider; 19. rubber ring; 20. sealing cover; 21. air pump; 22. gas tank; 23. barometer; 24. connecting hose. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0020] according to Figure 1 , Figure 2 , Figure 3As shown, the present embodiment provides a bellows sealing performance testing device, including a testing platform 1, a rotating feeding mechanism, a sealing docking mechanism and a testing mechanism. The rotating feeding mechanism includes a bracket 2, a rotating shaft 3, a spiral auger 4, a first motor 5, a storage bin 6, a first slide 7, and a baffle 8. The testing platform 1 is fixedly provided with a bracket 2, a rotating shaft 3 is rotatably provided in the middle of the testing platform 1, and a spiral auger 4 is symmetrically fixed on the rotating shaft 3. A first motor 5 is fixedly provided on one side of the testing platform 1, and an output end of the first motor 5 is drivingly connected to the rotating shaft 3. A storage bin 6 is fixedly provided in the middle of the bracket 2, and the bottom of the storage bin 6 is open, and the bottom is symmetrically provided with a first slide 7. The first slide A baffle 8 is slidably installed between the grooves 7, a sealing docking mechanism is provided on the rear side of the bracket 2, a detection mechanism is provided on one side of the detection platform 1, a support seat 9 is fixedly provided in the middle of the detection platform 1, a through hole 10 is opened under the support seat 9, and the rotating shaft 3 rotates through the through hole 10. When unloading, the baffle 8 is pulled to make the corrugated pipe placed in the storage bin 6 fall onto the support seat 9 for detection. When the detection is completed, the first motor 5 starts to drive the rotating shaft 3 to rotate, and the spiral auger 4 rotates to cooperate with the corrugated sheet on the surface of the bellows to push the bellows out to realize unloading, which solves the need for manual handling of the bellows for alignment for detection, realizes automatic loading and feeding, and effectively improves the detection efficiency.

[0021] The sealing docking mechanism includes an electric telescopic rod 11, a telescopic frame 12, a bidirectional screw 13, a second motor 14, a threaded sleeve 15, a sealing sleeve 16 and a sealing mechanism. The electric telescopic rod 11 is symmetrically fixed on the rear side of the bracket 2, and the telescopic frame 12 is fixed on the telescopic end of the electric telescopic rod 11. The bidirectional screw 13 is rotatably provided on the front side of the telescopic frame 12. A second motor 14 is fixed on one side of the telescopic frame 12. The output end of the second motor 14 is drivingly connected to the bidirectional screw 13. A threaded sleeve 15 is symmetrically threaded on the bidirectional screw 13. A sealing sleeve 16 is fixed on the front side of the threaded sleeve 15. A sealing mechanism is provided in the sealing sleeve 16. When docking is performed, the electric telescopic rod 11 extends to drive the telescopic frame 12 to extend so that the sealing sleeve 16 moves to the two ends of the bellows. The second motor 14 starts to drive the bidirectional screw 13 to rotate, driving the threaded sleeve 15 and the sealing sleeve 16 to move toward each other and insert the two ends of the bellows into the sealing sleeve 16.

[0022] A second slide groove 17 is provided on the front side of the telescopic frame 12, and a slider is fixedly provided on the rear side of the threaded sleeve 15. The slider slides along the second slide groove 17. When the bidirectional screw 13 rotates to drive the threaded sleeve 15 and the sealing sleeve 16 to move, the threaded sleeve 15 drives the slider to slide along the second slide groove 17 to keep the threaded sleeve 15 and the sealing sleeve 16 stable.

[0023] The sealing mechanism includes a rubber ring 19 and a sealing cover 20. The rubber ring 19 is fixedly provided on the inner side of the sealing sleeve 16. The sealing cover 20 is fixedly provided around one side of the sealing sleeve 16. The sealing cover 20 is fixedly connected to the rubber ring 19. When docking, the elasticity of the rubber ring 19 is utilized to put the sealing cover 20 on the bellows, so as to effectively prevent the problem that insufficient sealing at both ends of the bellows may cause gas leakage and affect the sealing performance detection effect.

[0024] The detection mechanism includes an air pump 21, an air tank 22, a pressure gauge 23 and a connecting hose 24. The air pump 21 is fixedly provided on one side of the detection platform 1, and the air pump 21 is connected to the air tank 22. A pressure gauge 23 is fixedly installed at the front end of the air tank 22. A connecting hose 24 is connected to the pressure gauge 23, and the connecting hose 24 is connected to a sealing sleeve 16 on one side. When the detection is carried out, the air pump 21 is started to flow into the air tank 22, and the gas in the air tank 22 is sent into the bellows through the connecting hose 24, and the air pressure change is recorded by the pressure gauge 23.

[0025] The bellows sealing performance testing device places the bellows into a storage bin, and when unloading, pulls open the baffle along the first slide slot to make a group of bellows drop onto the support seat, the second motor starts to drive the bidirectional screw to rotate, driving the threaded sleeve and the sealing sleeve to move toward each other, and the sealing sleeve is inserted into the two ends of the bellows, and the two ends of the bellows are sealed by the elastic cooperation of the rubber ring and the sealing cover, and when testing, the air pump starts to inflate and pressurize the air storage tank, and the gas is filled into the sealing sleeve and the bellows through the connecting hose, and the air pressure change is observed by the barometer to determine the sealing performance of the bellows, after the test is completed, the second motor drives the bidirectional screw to reverse and pull the sealing sleeve in the opposite direction to release the docking seal, and the first motor starts to drive the rotating shaft and the spiral auger to rotate to push the bellows to move to the other side of the testing table for unloading.

[0026] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A bellows sealing performance detection device, characterized in that: The invention comprises a detection platform (1), a rotating feeding mechanism, a sealing docking mechanism and a detection mechanism, wherein the rotating feeding mechanism comprises a bracket (2), a rotating shaft (3), a spiral auger (4), a first motor (5), a storage bin (6), a first slide groove (7) and a baffle plate (8). The detection platform (1) is fixedly provided with a bracket (2), a rotating shaft (3) is rotatably provided in the middle of the detection platform (1), a spiral auger (4) is symmetrically fixed on the rotating shaft (3), a first motor (5) is fixedly provided on one side of the detection platform (1), an output end of the first motor (5) is drivingly connected to the rotating shaft (3), a storage bin (6) (6) is fixedly provided in the middle of the bracket (2), the bottom of the storage bin (6) (6) is open, and a first slide groove (7) is symmetrically provided at the bottom, a baffle plate (8) is slidably installed between the first slide grooves (7), a sealing docking mechanism is provided on the rear side of the bracket (2), and a detection mechanism is provided on one side of the detection platform (1).

2. A bellows sealing performance detection device according to claim 1, characterized in that: A support seat (9) is fixedly provided in the middle of the detection platform (1), a through hole (10) is provided below the support seat (9), and the rotating shaft (3) rotates through the through hole (10).

3. The bellows sealing performance detection device according to claim 1, characterized in that: The sealing docking mechanism comprises an electric telescopic rod (11), a telescopic frame (12), a bidirectional screw (13), a second motor (14), a threaded sleeve (15), a sealing sleeve (16) and a sealing mechanism. The electric telescopic rod (11) is symmetrically fixedly provided on the rear side of the bracket (2). The telescopic frame (12) is fixedly provided on the telescopic end of the electric telescopic rod (11). A bidirectional screw (13) is rotatably provided on the front side of the telescopic frame (12). A second motor (14) is fixedly provided on one side of the telescopic frame (12). The output end of the second motor (14) is drivingly connected to the bidirectional screw (13). A threaded sleeve (15) is symmetrically threadedly provided on the bidirectional screw (13). A sealing sleeve (16) is matched and fixedly provided on the front side of the threaded sleeve (15). A sealing mechanism is provided inside the sealing sleeve (16).

4. A bellows sealing performance detection device according to claim 3, characterized in that: A second sliding groove (17) is provided on the front side of the telescopic frame (12), and a sliding block (18) is fixedly provided on the rear side of the threaded sleeve (15), and the sliding block (18) slides along the second sliding groove (17).

5. The bellows sealing performance detection device according to claim 3, characterized in that: The sealing mechanism comprises a rubber ring (19) and a sealing cover (20); the rubber ring (19) is fixedly arranged on the inner side of the sealing sleeve (16); the sealing cover (20) is fixedly arranged around one side of the inner side of the sealing sleeve (16); and the sealing cover (20) is fixedly connected to the rubber ring (19).

6. The bellows sealing performance detection device according to claim 1, characterized in that: The detection mechanism comprises an air pump (21), an air storage tank (22), a pressure gauge (23) and a connecting hose (24); the air pump (21) is fixedly provided on one side of the detection platform (1); the air pump (21) is connected to the air storage tank (22); the pressure gauge (23) is fixedly installed at the front end of the air storage tank (22); and the pressure gauge (23) is connected to the connecting hose (24).

7. A bellows sealing performance detection device according to claim 6, characterized in that: The connecting hose (24) is in communication with a sealing sleeve (16) on one side.

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