Pressure pipeline detection device

Abstract

The invention discloses a pressure pipeline detection device, and relates to the technical field of pipeline detection. The bottom of the water storage tank is provided with a supporting frame; the number of the sliding plates is two, the sliding plates are in sliding fit with the two sides of the water storage tank respectively, the two sliding plates are connected through a connecting frame, and the bottom of the connecting frame is provided with a lap joint part used for fixing a pressure pipeline. Through mutual cooperation of the water storage tank, the sliding plate, the connecting frame, the lap joint part, the plugging plate, the sealing block, the water pump, the water inlet hole, the driving assembly, the pressure applying assembly, the detection assembly and the driving mechanism, the external pressure borne by the pressure pipeline during use can be simulated and detected. And the detection on the actual pressure resistance of the pipeline is relatively accurate.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline detection, and in particular to a pressure pipeline detection device. Background Art

[0002] Pressure pipeline is a part of pipeline, which is used to transport, distribute, mix, separate, discharge, measure, control and stop the flow of fluid. Pressure pipeline needs to be inspected during production to avoid defective pipelines entering the market.

[0003] After searching, the invention with patent publication number CN117990486B discloses a pressure pipeline detection device, which can perform water pressure detection on different types of pipelines to measure the pressure resistance of the pipelines. By driving the rotating plate to rotate through the driving member, the pipeline to be detected can be moved to the water tank, so that the inside of the pipeline to be detected is quickly filled with water. When detecting pipelines with larger inner diameters, the time required to fill the inside of the pipeline with water can be reduced, thereby improving the detection efficiency. The existing buried pressure pipeline is not only subjected to the pressure from the inside to the outside generated by the medium in the pipeline, but also subjected to the external pressure caused by the compacted backfill soil and the vehicles above. The outside of the pressure pipeline is squeezed, which will cause the internal pressure to further increase. At this time, the pressure pipeline is prone to rupture. In the prior art, there is no link for simulating and testing this phenomenon, and it is difficult to detect the actual pressure resistance of the pressure pipeline. In order to reasonably improve this problem, the present application proposes a pressure pipeline detection device. Summary of the invention

[0004] The purpose of the present application is to solve the problem that the existing buried pressure pipeline is not only subjected to the pressure from the inside to the outside generated by the medium in the pipe, but also subjected to the external pressure caused by the compacted backfill soil and the vehicles above. The outside of the pressure pipeline is squeezed, which will cause the internal pressure to further increase. At this time, the pressure pipeline is prone to rupture. However, in the prior art, there is no link for simulating and testing this phenomenon, and it is difficult to detect the actual pressure resistance of the pressure pipeline. The present application provides a pressure pipeline detection device.

[0005] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions: A pressure pipeline detection device, comprising: A water storage tank with a support frame installed at the bottom; There are two sliding plates, which are respectively slidably matched with the two sides of the water tank, and the two sliding plates are connected by a connecting frame, and the bottom of the connecting frame is provided with a lap part for fixing the pressure pipe; There are two blocking plates, which are respectively slidably matched with the two ends of the connecting frame. Sealing blocks are laid on the opposite sides of the two blocking plates. A water pump is installed in the water storage tank. A water inlet hole is constructed on one of the blocking plates, and the output end of the water pump is connected to the water inlet hole. A driving component is provided on the top of the connecting frame, and the two blocking plates can be driven to slide by the driving component; A pressure-applying component is arranged in the water storage tank, and can apply pressure to the outside of the pressure pipe through the pressure-applying component; The detection component is arranged in the water storage tank, and the internal and external pressures of the pressure pipe can be detected through the water storage tank; The driving mechanism is installed on the water tank, and the connecting frame can be driven to slide vertically through the driving mechanism.

[0006] Furthermore, the overlapping portion includes two frames, the two ends of the two sliding plates are respectively connected through the two frames, and the pressure pipeline is movably mounted on the top of the two frames.

[0007] Furthermore, the frame is V-shaped, and the sealing block is frustum-shaped.

[0008] Furthermore, the pressure-applying assembly includes mounting blocks constructed on the inner walls on both sides of the water tank, the tops of the mounting blocks are slidably fitted with movable plates, the opposite ends of the two movable plates are provided with arc plates, the opposite sides of the two arc plates are provided with flexible pads, and the two movable plates are linked with the sliding plate through a linkage assembly.

[0009] Furthermore, the arc plate is hinged on the movable plate, and the arc plate and the movable plate are connected via a torsion spring.

[0010] Furthermore, the linkage assembly includes two screw rods rotatably installed on the relative inner walls of the water tank, and a spur gear is coaxially connected to the outer side of the screw rod. The sliding plates are each constructed with a rack that meshes with the spur gear. The bottom of the movable plate is each constructed with a fixed block that cooperates with the screw rod thread.

[0011] Furthermore, the detection component includes a display screen installed on the top of the connecting frame, a first pressure sensor is installed on the other sealing plate, the arc plate and the flexible pad are interconnected through a second pressure sensor, and the first pressure sensor and the second pressure sensor are both electrically connected to the display screen.

[0012] Furthermore, the driving assembly includes a rotating rod rotatably mounted on the top of the connecting frame, with threads at both ends of the rotating rod respectively passing through two blocking plates, and the threads at both ends of the rotating rod are in opposite directions, and a first motor for driving the rotating rod to rotate is installed on the top of the connecting frame.

[0013] Furthermore, the driving mechanism includes a second motor installed on the support frame, the sliding plate includes an inner plate and an outer plate parallel to each other, the tops of the two are connected to each other, a threaded rod is rotatably installed on the support frame, the threaded rod and the output shaft of the second motor are connected to each other through a bevel gear assembly, and the threaded rod is threadedly matched with one of the outer plates.

[0014] Furthermore, a distance sensor is installed at the bottom of another outer plate, a fixing plate is constructed on the support frame, and the distance sensor is movably overlapped with the fixing plate.

[0015] The beneficial effects of this application are as follows: The present application can simulate and detect the external pressure to which the pressure pipeline is subjected when in use through the mutual cooperation of the water storage tank, sliding plate, connecting frame, overlapping part, sealing plate, sealing block, water pump, water inlet hole, driving assembly, pressure-applying assembly, detection assembly and driving mechanism. Compared with the prior art, the present application can more accurately detect the actual pressure resistance of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of this application; Figure 2 It is a sectional view of the three-dimensional structure of the present application; Figure 3 This is a bottom view of the connecting frame structure of the present application; Figure 4 It is a schematic diagram of the internal structure of the water storage tank of this application; Figure 5 This application Figure 4 A magnified image of point A; Figure 6 This application Figure 1 A half-section side view of the structure; Reference numerals: 1, water tank; 2, support frame; 3, sliding plate; 301, inner plate; 302, outer plate; 4, connecting frame; 5, overlapping portion; 501, frame; 6, blocking plate; 7, sealing block; 8, water pump; 9, water inlet hole; 10, driving assembly; 1001, rotating rod; 1002, first motor; 11, pressure assembly; 1101, mounting block; 1102, movable plate; 1103, curved plate; 1104, flexible pad; 1105 , linkage assembly; 11051, lead screw; 11052, spur gear; 11053, rack; 11054, fixed block; 1106, torsion spring; 12, detection assembly; 1201, display screen; 1202, first pressure sensor; 1203, second pressure sensor; 13, driving mechanism; 1301, second motor; 1302, threaded rod; 1303, bevel gear assembly; 14, distance sensor; 15, fixed plate; 16, opening. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0018] like Figure 1-Figure 6 As shown, a pressure pipeline detection device proposed in one embodiment of the present application includes: A water tank 1, the cross section of which is rectangular, with a support frame 2 installed at the bottom; There are two sliding plates 3, which are respectively slidably matched with the two sides of the water tank 1. The two sliding plates 3 are symmetrically arranged and slidably matched with the water tank 1 in the vertical direction. The two sliding plates 3 are connected by a connecting frame 4. The tops of the two sliding plates 3 are detachably connected to the bottom of the connecting frame 4 by a bolt assembly. The bottom of the connecting frame 4 is provided with a lap joint 5 for fixing the pressure pipe. The pressure pipe can be laid on the lap joint 5 to limit its movement. When the connecting frame 4 slides downward and the water quickly fills the pressure pipe, the pressure pipe is not easy to be separated from the connecting frame 4; There are two sealing plates 6, which are respectively slidably matched with the two ends of the connecting frame 4. The two sealing plates 6 are respectively arranged on the opposite sides of the overlapping part 5, and both slide along the length direction of the connecting frame 4. Sealing blocks 7 are laid on the opposite sides of the two sealing plates 6. The sealing blocks 7 are rubber blocks. A water pump 8 is installed in the water storage tank 1. A water inlet hole 9 is constructed on one of the sealing plates 6. The water inlet hole 9 passes through the sealing block 7. The output end of the water pump 8 is connected to the water inlet hole 9. A driving component 10 is provided on the top of the connecting frame 4. The driving component 10 can drive the two sealing plates 6 to slide. When the water fills the pressure pipe, the driving component 10 can drive the two sealing plates 6 to slide relative to each other. At this time, the two sealing blocks 7 respectively block the two ends of the pressure pipe to seal the pressure pipe. Subsequently, the water in the water storage tank 1 can be pumped by the water pump 8, and the water is injected into the pressure pipe from the water inlet hole 9 to apply pressure to the inside of the pressure pipe. A pressure component 11 is disposed in the water storage tank 1. The pressure component 11 can be used to apply pressure to the outside of the pressure pipe, and then the pressure component 11 can be used to simulate the external pressure to which the pressure pipe is subjected when in use; The detection component 12 is arranged in the water storage tank 1, and the internal and external pressures of the pressure pipe can be detected through the water storage tank 1. The actual pressure resistance performance of the pressure pipe can be detected through the detection component 12; A driving mechanism 13 is installed on the water storage tank 1, and the connecting frame 4 can be driven to slide vertically through the driving mechanism 13; When in use, the pressure pipe can be placed on the overlapped portion 5, and then the connecting frame 4 can be driven to slide downward by the driving mechanism 13. At this time, the pressure pipe to be tested can be moved into the water tank so that the inside of the pressure pipe can be quickly filled with water. When testing a pressure pipe with a larger inner diameter, the time required to fill the inside of the pressure pipe with water can be reduced, effectively improving the detection efficiency. Subsequently, the two blocking plates 6 can be driven to slide relative to each other by the driving component 10, and the two ends of the pressure pipe can be respectively blocked by the two sealing blocks 7 to seal the pressure pipe, and the water in the water storage tank 1 can be drawn by the water pump 8, and the water can be injected into the pressure pipe from the water inlet hole 9 to pressurize the inside of the pressure pipe. Finally, the external pressure to which the pressure pipe is subjected when in use can be simulated by the pressure-applying component 11, and the actual pressure resistance of the pressure pipe can be tested by the detection component 12; The present application can simulate and detect the external pressure to which the pressure pipeline is subjected when in use through the mutual cooperation of the water storage tank 1, the sliding plate 3, the connecting frame 4, the overlapping part 5, the sealing plate 6, the sealing block 7, the water pump 8, the water inlet hole 9, the driving assembly 10, the pressure applying assembly 11, the detection assembly 12 and the driving mechanism 13. Compared with the prior art, the present application is more accurate in detecting the actual pressure resistance of the pipeline.

[0019] like Figure 2 , Figure 3 and Figure 6 As shown, in some embodiments, the lap joint 5 includes two frames 501, and the two ends of the two sliding plates 3 are respectively connected by the two frames 501, the two frames 501 are far away from each other, and the pressure pipe is movably mounted on the top of the two frames 501. The two ends of the pressure pipe can be respectively mounted on the two frames 501, so that it is not easy to separate from the connecting frame 4.

[0020] like Figure 2 , Figure 3 and Figure 6 As shown, in some embodiments, the frame 501 is V-shaped, and the V-shaped mouth of the frame 501 faces the connecting frame 4. Such a design can effectively fix pressure pipes of different diameters. The sealing block 7 is frustum-shaped. When the two sealing plates 6 move relative to each other, the ends of the two sealing blocks 7 can be respectively inserted into the pipe mouths of the pressure pipes. As the sealing block 7 continues to go deeper, under the action of the conical surface on the sealing block 7, the pressure pipes of different diameters can all be moved to be coaxial with the sealing block 7.

[0021] like Figure 4-Figure 6As shown, in some embodiments, the pressure-applying component 11 includes mounting blocks 1101 constructed on the inner walls on both sides of the water tank 1, the mounting blocks 1101 on both sides are symmetrically arranged and extend relative to each other, the tops of the mounting blocks 1101 are slidably matched with movable plates 1102, the movable plates 1102 are slidably matched along the length direction of the mounting blocks 1101, the opposite ends of the two movable plates 1102 are provided with arc plates 1103, the opposite sides of the two arc plates 1103 are provided with flexible pads 1104, the flexible pads 1104 are located on the inner side of the arc of the arc plates 1103, the flexible pads 1104 can be in contact with and overlap the outer side of the pressure pipe, the two movable plates 1102 are linked with the sliding plate 3 through the linkage component 1105, after the sealing block 7 seals the pressure pipe, the sliding plate 3 can be driven to continue to slide downward, under the action of the linkage component 1105, the two movable plates 1102 can be driven to slide relative to each other, at this time, the two flexible pads 1104 can respectively contact the two sides of the pressure pipe, thereby applying external pressure.

[0022] like Figure 4-Figure 6 As shown, in some embodiments, the arc plate 1103 is hinged on the movable plate 1102, and the arc plate 1103 and the movable plate 1102 are connected by a torsion spring 1106, the fixed end of the torsion spring 1106 is connected to the movable plate 1102, and the movable end of the torsion spring 1106 is connected to the arc plate 1103, and the torsion spring 1106 can drive the two arc plates 1103 to flip upward. With this design, under normal conditions, the distance between the tops of the two arc plates 1103 is larger, which facilitates the pressure pipeline to enter the distance between the two arc plates 1103, and when the pressure pipeline enters between the two arc plates 1103 and contacts the bottom of the two arc plates 1103, the two arc plates 1103 can rotate with the pressure pipeline.

[0023] like Figure 3-Figure 6 As shown, in some embodiments, the linkage assembly 1105 includes two screw rods 11051 rotatably installed on the inner walls relative to the water tank 1, the screw rods 11051 are perpendicular to the inner wall of the water tank 1, and a spur gear 11052 is coaxially connected to the outer side of the screw rod 11051, and a rack 11053 is constructed on the sliding plate 3, and the rack 11053 is meshed with the spur gear 11052. When the sliding plate 3 slides downward, the screw rod 11051 can be driven to rotate by the spur gear 11052 and the rack 11053. A fixed block 11054 is constructed at the bottom of the movable plate 1102, and the fixed block 11054 is threadedly matched with the screw rod 11051. When the screw rod 11051 rotates, the movable plate 1102 can be driven to slide toward the pressure pipe by the fixed block 11054.

[0024] like Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, in some embodiments, the detection component 12 includes a display screen 1201 installed on the top of the connecting frame 4, and a first pressure sensor 1202 is installed on another sealing plate 6. The first pressure sensor 1202 is a water pressure sensor. The end of the first pressure sensor 1202 passes through the sealing plate 6 and the sealing block 7, so that the water pressure inside the pressure pipe can be detected. The arc plate 1103 and the flexible pad 1104 are interconnected through the second pressure sensor 1203. The second pressure sensor 1203 is a plate pressure sensor, which can detect the pressure applied to the outside of the pressure pipe, and the first pressure sensor 1202 and the second pressure sensor 1203 are both electrically connected to the display screen 1201. The internal and external pressures of the pressure pipe are displayed on the display screen 1201 for easy observation.

[0025] like Figure 1 As shown, in some embodiments, the driving assembly 10 includes a rotating rod 1001 rotatably installed on the top of the connecting frame 4, and the axis of the rotating rod 1001 extends along the length direction of the connecting frame 4. The two ends of the rotating rod 1001 are respectively threaded through the two blocking plates 6, and the thread directions at the two ends of the rotating rod 1001 are opposite. When the rotating rod 1001 rotates, the two blocking plates 6 can be driven to slide relative to or away from each other. A first motor 1002 for driving the rotating rod 1001 to rotate is installed on the top of the connecting frame 4. The first motor 1002 is a hollow shaft motor, and the middle part of the rotating rod 1001 is connected to its hollow shaft.

[0026] like Figure 2 , Figure 4 and Figure 6 As shown, in some embodiments, the driving mechanism 13 includes a second motor 1301 installed on the support frame 2, the second motor 1301 is a servo motor, and is located at the bottom of the water tank 1. The sliding plate 3 includes an inner plate 301 and an outer plate 302 parallel to each other. The sliding plate 3 is in a "F" shape, and the tops of the two are connected to each other. The inner plate 301 is provided with an opening 16 for passing the mounting block 1101 and the movable plate 1102, and the rack 11053 is arranged in the opening 16. A threaded rod 1302 is rotatably installed on the support frame 2, and the threaded rod 1302 is rotatably installed on the support frame 2. The rod 1302 is vertical, and the threaded rod 1302 and the output shaft of the second motor 1301 are connected to each other through a bevel gear assembly 1303. The bevel gear assembly 1303 includes two bevel gears, which are respectively installed on the threaded rod 1302 and the output shaft of the second motor 1301, and the threaded rod 1302 is threadedly matched with one of the outer plates 302. When the second motor 1301 is working, the threaded rod 1302 can be driven to rotate through the bevel gear assembly 1303, thereby driving the sliding plate 3 to drive the connecting frame 4 to slide.

[0027] like Figure 1 and Figure 6As shown, in some embodiments, a distance sensor 14 is installed at the bottom of the other outer panel 302. The distance sensor 14 is a high-precision distance sensor 14, which is electrically connected to the display screen 1201. A fixed plate 15 is constructed on the support frame 2. The distance sensor 14 and the fixed plate 15 are movably overlapped. Through the mutual cooperation between the distance sensor 14 and the fixed plate 15, the sliding distance of the connecting frame 4 can be accurately measured, so that the movable distance of the movable plate 1102 can be accurately controlled.

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pressure pipeline detection device, characterized in that: include: A water storage tank (1) having a support frame (2) installed at the bottom; Two sliding plates (3) are respectively slidably matched with two sides of the water storage tank (1); the two sliding plates (3) are connected via a connecting frame (4); a lap joint (5) for fixing a pressure pipe is provided at the bottom of the connecting frame (4); There are two blocking plates (6) which are respectively slidably matched with the two ends of the connecting frame (4); sealing blocks (7) are laid on opposite sides of the two blocking plates (6); a water pump (8) is installed in the water storage tank (1); a water inlet hole (9) is constructed on one of the blocking plates (6); the output end of the water pump (8) is connected to the water inlet hole (9); a driving component (10) is provided on the top of the connecting frame (4); and the two blocking plates (6) can be driven to slide by the driving component (10); A pressure-applying component (11) is disposed in the water storage tank (1), and can apply pressure to the outside of the pressure pipe through the pressure-applying component (11); A detection component (12) is disposed in the water storage tank (1) and can detect the internal and external pressures of the pressure pipeline through the water storage tank (1); The driving mechanism (13) is mounted on the water storage tank (1), and the connecting frame (4) can be driven to slide vertically by the driving mechanism (13).

2. The pressure pipeline detection device according to claim 1, characterized in that: The overlapping portion (5) comprises two frames (501), the two ends of the two sliding plates (3) are respectively connected via the two frames (501), and the pressure pipeline is movably mounted on the top of the two frames (501).

3. The pressure pipeline detection device according to claim 2, characterized in that: The frame (501) is V-shaped, and the sealing block (7) is frustum-shaped.

4. The pressure pipeline detection device according to claim 1, characterized in that: The pressure-applying assembly (11) comprises mounting blocks (1101) constructed on the inner walls of both sides of the water storage tank (1); the tops of the mounting blocks (1101) are slidably matched with movable plates (1102); the opposite ends of the two movable plates (1102) are provided with arc-shaped plates (1103); the opposite sides of the two arc-shaped plates (1103) are provided with flexible pads (1104); and the two movable plates (1102) are linked with the sliding plate (3) via a linkage assembly (1105).

5. The pressure pipeline detection device according to claim 4, characterized in that: The arc-shaped plate (1103) is hinged on the movable plate (1102), and the arc-shaped plate (1103) and the movable plate (1102) are connected via a torsion spring (1106).

6. The pressure pipeline detection device according to claim 4, characterized in that: The linkage assembly (1105) comprises two screw rods (11051) rotatably mounted on opposite inner walls of the water tank (1), and a spur gear (11052) is coaxially connected to the outer side of the screw rods (11051), a rack (11053) is constructed on the sliding plate (3), the rack (11053) is meshed with the spur gear (11052), and a fixed block (11054) is constructed at the bottom of the movable plate (1102), and the fixed block (11054) is threadedly matched with the screw rod (11051).

7. The pressure pipeline detection device according to claim 4, characterized in that: The detection assembly (12) comprises a display screen (1201) mounted on the top of the connecting frame (4); a first pressure sensor (1202) is mounted on the other sealing plate (6); the arc plate (1103) and the flexible pad (1104) are connected to each other via a second pressure sensor (1203); and both the first pressure sensor (1202) and the second pressure sensor (1203) are electrically connected to the display screen (1201).

8. The pressure pipeline detection device according to claim 7, characterized in that: The driving assembly (10) comprises a rotating rod (1001) rotatably mounted on the top of the connecting frame (4), wherein two ends of the rotating rod (1001) are respectively threaded through two blocking plates (6), and the threads at the two ends of the rotating rod (1001) are in opposite directions. A first motor (1002) for driving the rotating rod (1001) to rotate is mounted on the top of the connecting frame (4).

9. The pressure pipeline detection device according to claim 6, characterized in that: The driving mechanism (13) comprises a second motor (1301) mounted on the support frame (2); the sliding plate (3) comprises an inner plate (301) and an outer plate (302) which are parallel to each other and are connected to each other at the top; a threaded rod (1302) is rotatably mounted on the support frame (2); the threaded rod (1302) and an output shaft of the second motor (1301) are connected to each other via a bevel gear assembly (1303); and the threaded rod (1302) is threadably engaged with one of the outer plates (302).

10. The pressure pipeline detection device according to claim 9, characterized in that: A distance sensor (14) is installed at the bottom of the other outer plate (302), a fixing plate (15) is constructed on the support frame (2), and the distance sensor (14) and the fixing plate (15) are movably overlapped.

Images