Water meter sealing performance detection device with convenient docking mechanism

Abstract

The utility model discloses a water meter leakproofness detection device with a convenient docking mechanism, which relates to the field of water meter leakproofness detection and comprises a workbench, a first electric push cylinder and a second electric push cylinder are symmetrically mounted at two ends of the top of the workbench, and the output ends of the first electric push cylinder and the second electric push cylinder are opposite to each other. Fixing rods are fixedly installed at the output ends of the first electric push cylinder and the second electric push cylinder correspondingly, pressing plates are fixedly installed at the opposite ends of the two fixing rods correspondingly, sealing rings are installed at the opposite ends of the two pressing plates correspondingly, and a connecting pipe is fixedly connected to the upper portion of the periphery of the fixing rod connected with the first electric push cylinder; the connecting pipe is communicated with the fixing rod and an air hole in the pressing plate connected with the fixing rod. By arranging the centering mechanism and the aligning mechanism, pipelines at the two ends of the water meter can be quickly aligned with the pressing plate, and therefore the aim of facilitating butt joint is achieved.

Description

Technical Field

[0001] This utility model relates to the field of water meter sealing testing, specifically a water meter sealing testing device with a convenient docking mechanism. Background Technology

[0002] When testing the sealing performance of a water meter, an airtightness test is generally used. This involves adding compressed gas into the water meter chamber, maintaining the pressure, and monitoring it in real time using a pressure sensor to observe whether there is any leakage of the pressurized gas, thereby determining its sealing performance.

[0003] In existing technologies, an electric push cylinder is generally used to drive the sealing end plate to seal the pipes at both ends of the water meter. After that, gas at the rated pressure is filled in for testing. However, due to the offset of the water meter's placement position, the position of the water meter needs to be adjusted when the sealing end plate seals the pipes at both ends of the water meter, which is not convenient for easy docking. Summary of the Invention

[0004] The purpose of this utility model is to provide a water meter sealing detection device with a convenient docking mechanism in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a water meter sealing test device with a convenient docking mechanism, comprising a workbench, with a first electric push cylinder and a second electric push cylinder symmetrically installed at both ends of the top of the workbench. The output ends of the first electric push cylinder and the second electric push cylinder are opposite each other, and a fixing rod is fixedly installed at the output ends of both the first electric push cylinder and the second electric push cylinder. A pressure plate is fixedly installed at one end of each of the two fixing rods, and a sealing ring is installed at one end of each of the two pressure plates. A connecting pipe is fixedly connected to the upper outer periphery of the fixing rod connected to the first electric push cylinder. The connecting pipe communicates with the air hole inside the fixing rod and the pressure plate connected to the fixing rod. A pressure sensor is installed inside the pressure plate connected to the second electric push cylinder. A wire connected to the pressure sensor passes through the fixing rod and extends to the outside. A centering mechanism extending to the top of the workbench is installed at the bottom of the workbench, and an alignment mechanism extending to the top of the workbench is installed at the bottom of the workbench.

[0006] As a further embodiment of this utility model: the alignment mechanism includes clamping columns symmetrically arranged at both ends of the top of the workbench. Two positioning columns are fixedly and slidably installed on the inner wall of one clamping column. The bottom ends of the two positioning columns distributed diagonally are fixedly connected to the top ends of the same rotating arm. A sliding groove is provided inside the same side of the two rotating arms. A sliding rod is slidably installed inside the sliding groove. The bottom ends of the two sliding rods are fixedly connected to the bottom end of the same movable plate. A No. 3 electric push cylinder is fixedly installed at the bottom of the workbench. The piston rod end of the No. 3 electric push cylinder is fixedly connected to the vertical rod part of the movable plate.

[0007] As a further embodiment of this utility model: the centering mechanism includes a straight groove in the shape of an "X" at the center of the worktable, a rotating disk is rotatably mounted at the bottom end of the straight groove, an arc-shaped groove is opened inside the rotating disk, the center of the arc-shaped groove is offset from the center of the rotating disk, a movable shaft is movably connected to the inside of the straight groove and the arc-shaped groove, and a centering rod extending to the top of the movable shaft is rotatably mounted on the top of the movable shaft.

[0008] As a further improvement of this utility model: a limiting groove is provided inside the worktable, and a limiting ring that is slidably connected to the limiting groove is fixedly connected to the outer wall of the movable shaft.

[0009] As a further embodiment of this utility model: a telescopic air pipe is fixedly installed at the input end of the connecting pipe, the output end of the telescopic air pipe is connected to the compressor, and a solenoid valve is fixedly installed on the outer wall of the connecting pipe.

[0010] As a further embodiment of this utility model: the two rotating arms arranged in an "X" shape are rotatably connected to the rotating shaft at the center of the bottom end of the rotating disk through bearings, and a forward and reverse motor is mounted on the bottom end of the worktable through a bracket, and the output shaft of the forward and reverse motor is fixedly connected to the rotating shaft through a coupling.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. By setting up a centering mechanism and an alignment mechanism, the pipes at both ends of the water meter can be quickly aligned with the pressure plate, thereby facilitating connection. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is another perspective on the structural entity of this utility model;

[0015] Figure 3 For the present utility model Figure 2 Enlarged view of a portion of point A in the middle;

[0016] Figure 4 This is a schematic diagram of the installation of the centering mechanism of this utility model.

[0017] In the diagram: 1. Workbench; 2. Electric push cylinder No. 1; 3. Electric push cylinder No. 2; 4. Pressure plate; 5. Sealing ring; 6. Pressure sensor; 7. Connecting pipe; 8. Straight groove; 9. Clamping column; 10. Centering rod; 11. Forward and reverse motor; 12. Positioning column; 13. Air hole; 14. Movable shaft; 15. Limiting ring; 16. Limiting groove; 17. Electric push cylinder No. 3; 18. Movable plate; 19. Rotating arm; 20. Slide groove; 21. Slide rod; 22. Rotating disk; 23. Arc groove. Detailed Implementation

[0018] 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.

[0019] Please see Figures 1-4 In this embodiment of the present invention, a water meter sealing test device with a convenient docking mechanism includes a workbench 1. A first electric push cylinder 2 and a second electric push cylinder 3 are symmetrically installed at both ends of the top of the workbench 1. The output ends of the first electric push cylinder 2 and the second electric push cylinder 3 are opposite each other, and a fixing rod is fixedly installed at the output ends of both the first electric push cylinder 2 and the second electric push cylinder 3. A pressure plate 4 is fixedly installed at the opposite end of each of the two fixing rods, and a sealing ring 5 is installed at the opposite end of each of the two pressure plates 4. A connecting pipe is fixedly connected to the upper outer periphery of the fixing rod connected to the first electric push cylinder 2. 7. The connecting pipe 7 is connected to the fixed rod and the air hole 13 inside the clamping plate 4 connected to the fixed rod. The clamping plate 4 connected to the second electric push cylinder 3 is equipped with a pressure sensor 6. The wire connected to the pressure sensor 6 passes through the fixed rod and extends to the outside. The bottom end of the worktable 1 is equipped with a centering mechanism extending to the top of the worktable 1. The bottom end of the worktable 1 is equipped with an alignment mechanism extending to the top of the worktable 1. The input end of the connecting pipe 7 is fixedly equipped with a telescopic air pipe. The output end of the telescopic air pipe is connected to the compressor. The outer wall of the connecting pipe 7 is fixedly equipped with a solenoid valve.

[0020] In this embodiment: First, the water meter to be tested is placed at the top center of workbench 1. Then, the centering mechanism is activated to clamp the water meter, aligning its center with the center of the top surface of workbench 1. Next, the alignment mechanism is activated, clamping the pipes at both ends of the water meter's outer perimeter, aligning them with electric push cylinders 2 and 3. Then, electric push cylinders 2 and 3 extend, driving the connected clamping plates 4 towards both ends of the water meter. When the clamping plate 4 abuts against the pipes at both ends of the water meter, the sealing ring 5 deforms under pressure, effectively sealing the mating position. At this time, the compressor compresses air into the telescopic air pipe (i.e., telescopic corrugated pipe), then through the telescopic air pipe into the connecting pipe 7, and finally into the inner cavity of the water meter through the air hole 13. At this time, the pressure sensor 6 monitors the air pressure in the water meter cavity in real time. When the pressure reaches the preset pressure, the pressure sensor 6 sends an electrical signal to the controller, and the controller controls the solenoid valve to close and maintain the pressure. During the pressure maintenance process, the pressure sensor 6 can monitor the pressure in the water meter cavity to detect whether there is a pressure leak.

[0021] Please refer to this carefully. Figure 1 , Figure 2 and Figure 4 The alignment mechanism includes clamping columns 9 symmetrically arranged at both ends of the top of the workbench 1. Two positioning columns 12 are fixedly and slidably installed on the inner wall of one clamping column 9. The bottom ends of the two positioning columns 12 distributed diagonally are fixedly connected to the top ends of the same rotating arm 19. Slide grooves 20 are opened inside the same side of the two rotating arms 19. Slide rods 21 are slidably installed inside the slide grooves 20. The bottom ends of the two slide rods 21 are fixedly connected to the bottom end of the same movable plate 18. A third electric push cylinder 17 is fixedly installed at the bottom end of the workbench 1. The piston rod end of the third electric push cylinder 17 is fixedly connected to the vertical rod part of the movable plate 18.

[0022] In this embodiment: After centering the placed water meter, the No. 3 electric push cylinder 17 is activated. The operation of the No. 3 electric push cylinder 17 drives the movable plate 18 to move synchronously. The moving movable plate 18 drives the two slide rods 21 to move axially. The slide rods 21 slide inside the slide groove 20. At this time, the slide rods 21 squeeze the inner wall of the slide groove 20. At this time, the two rotating arms 19 rotate towards each other. The two rotating arms 19 drive the positioning column 12 to clamp the outer wall of the water meter pipe, so that the pipes at both ends of the water meter are aligned with the ends of the No. 1 electric push cylinder 2 and the No. 2 electric push cylinder 3, which facilitates the subsequent airtightness test.

[0023] Please refer to this carefully. Figure 1 , Figure 2 and Figure 3The centering mechanism includes a straight groove 8 in an "X" shape at the center of the worktable 1. A rotating disk 22 is rotatably mounted at the bottom of the straight groove 8. An arc-shaped groove 23 is opened inside the rotating disk 22. The center of the arc-shaped groove 23 is offset from the center of the rotating disk 22. The straight groove 8 and the arc-shaped groove 23 are movably connected inside by a movable shaft 14. A centering rod 10 extending to the top of the worktable 1 is rotatably mounted on the top of the movable shaft 14. Two rotating arms 19 distributed in an "X" shape are rotatably connected to the rotating shaft at the center of the bottom of the rotating disk 22 through bearings. A forward and reverse motor 11 is mounted at the bottom of the worktable 1 through a bracket. The output shaft of the forward and reverse motor 11 is fixedly connected to the rotating shaft through a coupling.

[0024] In this embodiment: when centering the water meter, the forward and reverse motor 11 is started first. The forward and reverse motor 11 drives the rotating disk 22 to rotate through the rotating shaft. At this time, the arc groove 23 rotates synchronously. The rotating arc groove 23 squeezes the outer wall of the movable shaft 14. At this time, the movable shaft 14 under pressure moves along the straight groove 8. At this time, the movable shaft 14 drives the centering rod 10 to clamp the water meter, so that its center coincides with the center of the workbench 1.

[0025] Please refer to this carefully. Figure 3 The worktable 1 has a limiting groove 16 inside, and the outer wall of the movable shaft 14 is fixedly connected to a limiting ring 15 that is slidably connected to the limiting groove 16.

[0026] In this embodiment, this design can prevent the movable shaft 14 from separating from the straight groove 8 and the arc groove 23.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A water meter sealing test device with a convenient docking mechanism, comprising a workbench (1), characterized in that, A first electric push cylinder (2) and a second electric push cylinder (3) are symmetrically installed at both ends of the top of the workbench (1). The output ends of the first electric push cylinder (2) and the second electric push cylinder (3) are opposite each other, and a fixing rod is fixedly installed on the output ends of the first electric push cylinder (2) and the second electric push cylinder (3). A pressure plate (4) is fixedly installed on one end of each of the two fixing rods, and a sealing ring (5) is installed on one end of each of the two pressure plates (4). A fixing rod is fixedly connected to the upper outer periphery of the fixing rod connected to the first electric push cylinder (2). The connecting pipe (7) is connected to the fixed rod and the air hole (13) inside the clamping plate (4) connected to the fixed rod. The clamping plate (4) connected to the second electric push cylinder (3) is equipped with a pressure sensor (6). The wire connected to the pressure sensor (6) passes through the fixed rod and extends to the outside. The bottom end of the worktable (1) is equipped with a centering mechanism extending to the top of the worktable (1). The bottom end of the worktable (1) is equipped with an alignment mechanism extending to the top of the worktable (1).

2. The water meter sealing test device with a convenient docking mechanism according to claim 1, characterized in that, The alignment mechanism includes clamping columns (9) symmetrically arranged at both ends of the top of the workbench (1). Two positioning columns (12) are fixedly and slidably installed on the inner wall of one of the clamping columns (9). The bottom ends of the two positioning columns (12) distributed on the diagonal are fixedly connected to the top ends of the same rotating arm (19). A sliding groove (20) is opened in the same side of the two rotating arms (19). A sliding rod (21) is slidably installed in the sliding groove (20). The bottom ends of the two sliding rods (21) are fixedly connected to the bottom end of the same movable plate (18). A third electric push cylinder (17) is fixedly installed at the bottom end of the workbench (1). The piston rod end of the third electric push cylinder (17) is fixedly connected to the vertical rod part of the movable plate (18).

3. The water meter sealing test device with a convenient docking mechanism according to claim 2, characterized in that, The centering mechanism includes an X-shaped straight groove (8) at the center of the workbench (1). A rotating disk (22) is rotatably mounted at the bottom end of the straight groove (8). An arc-shaped groove (23) is provided inside the rotating disk (22). The center of the arc-shaped groove (23) is offset from the center of the rotating disk (22). A movable shaft (14) is movably connected inside the straight groove (8) and the arc-shaped groove (23). A centering rod (10) extending above the workbench (1) is rotatably mounted on the top of the movable shaft (14).

4. The water meter sealing test device with a convenient docking mechanism according to claim 3, characterized in that, The workbench (1) has a limiting groove (16) inside, and the outer wall of the movable shaft (14) is fixedly connected with a limiting ring (15) that is slidably connected to the limiting groove (16).

5. A water meter sealing test device with a convenient docking mechanism according to claim 1, characterized in that, A telescopic air pipe is fixedly installed at the input end of the connecting pipe (7), the output end of the telescopic air pipe is connected to the compressor, and a solenoid valve is fixedly installed on the outer wall of the connecting pipe (7).

6. A water meter sealing test device with a convenient docking mechanism according to claim 4, characterized in that, The two rotating arms (19) arranged in an "X" shape are rotatably connected to the rotating shaft at the bottom center of the rotating disk (22) through bearings. The bottom of the worktable (1) is equipped with a forward and reverse motor (11) through a bracket. The output shaft of the forward and reverse motor (11) is fixedly connected to the rotating shaft through a coupling.

Images