Butterfly valve bidirectional detection device

Abstract

The utility model discloses a butterfly valve two-way detection device which comprises a rack, a controller and a plurality of butterfly valve bodies, the controller and the butterfly valve bodies are fixedly installed on the outer wall of one side of the rack, a gear motor is fixedly installed on the outer wall of one side of the rack, the gear motor is fixedly connected with a main shaft, and the main shaft completely penetrates through the rack. And a plurality of fixing seats are fixedly connected to the two sides of the outer surface of the main shaft correspondingly, clamping assemblies are fixedly installed on the multiple fixing seats correspondingly, and the butterfly valve body is located on the inner sides of the clamping assemblies. According to the utility model, the gear motor, the main shaft, the fixed seat, the clamping assembly, the air cylinder, the movable seat, the sealing pressing plate, the air pressure sensor, the electromagnetic valve, the air supply assembly and the butterfly valve are fixed at one time, so that bidirectional detection can be carried out, manual overturning is not needed, the labor intensity of workers is reduced, and the detection efficiency is also improved; and secondly, detection of the butterfly valve and feeding and discharging are carried out in a superposed manner, so that the detection efficiency of the butterfly valve can be obviously improved in a large-batch detection process.

Description

Technical Field

[0001] This utility model relates to the field of butterfly valve testing technology, and in particular to a bidirectional butterfly valve testing device. Background Technology

[0002] A butterfly valve, also known as a flap valve or butterfly valve, is a type of valve that opens, closes, or regulates the flow of media by rotating a disc-shaped opening and closing element (butterfly plate) around a valve shaft. It is widely used in low-pressure pipeline systems to control the flow of various fluids, including air, water, steam, corrosive media, slurry, oil, liquid metals, and radioactive media.

[0003] Currently, butterfly valves used in scenarios where the medium flow direction is not fixed and reverse leakage needs to be prevented require bidirectional testing to ensure their airtightness.

[0004] A butterfly valve airtightness testing device with prior art disclosure number CN221198835U includes an installation module and a testing module, wherein: the installation module includes an installation platform, the top of the installation platform is provided with a lifting component, and the front end of the installation platform is provided with a testing surface.

[0005] Although this device can test multiple butterfly valves simultaneously, it has significant limitations in practical applications: First, it can only perform unidirectional testing on butterfly valves. If bidirectional testing is required, workers must manually flip the valves, which not only increases the labor intensity of workers but also reduces testing efficiency. Second, after each test, workers need to remove all the tested butterfly valves before installing the valve to be tested. This disassembly and reassembly process takes a considerable amount of time, which significantly reduces the testing efficiency, especially during large-scale testing.

[0006] Therefore, a bidirectional detection device for butterfly valves is proposed. Utility Model Content

[0007] This utility model is a two-way detection device for butterfly valves proposed to overcome the shortcomings of existing technologies.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a butterfly valve bidirectional detection device, comprising a frame and a controller and multiple butterfly valve bodies fixedly installed on one outer wall of the frame. A geared motor is fixedly installed on one outer wall of the frame, and the geared motor is fixedly connected to a main shaft, which completely penetrates the frame. Multiple fixing seats are fixedly connected to both sides of the outer surface of the main shaft, and clamping components are fixedly installed on each of the multiple fixing seats, with the butterfly valve body located inside the clamping components.

[0009] Two cylinders are symmetrically embedded at the top and bottom of the frame. The movable ends of two adjacent cylinders are fixedly connected to a movable seat. Multiple sealing plates are fixedly connected to the adjacent side of the two movable seats. A pressure sensor is fixedly installed on the side of the multiple sealing plates away from the butterfly valve body.

[0010] Multiple solenoid valves are fixedly connected to the side of each of the two movable seats away from the sealing pressure plate, and one of the interfaces of the solenoid valves passes through the movable seat and is fixedly connected to the sealing pressure plate. A gas supply assembly is installed together among the multiple solenoid valves on the same movable seat.

[0011] Furthermore, the spindle is rotatably connected to the frame, and the frame provides support for the spindle, which facilitates spindle installation.

[0012] Furthermore, each of the clamping components includes a dual-axis motor, which is fixedly embedded in the middle of the fixed base. Both drive ends of the dual-axis motor are fixedly connected to screws, and the screws are rotatably connected to the fixed base. The outer surfaces of the two screws are threaded with jaws, which can drive the two jaws to move closer to each other to clamp and fix the butterfly valve body.

[0013] Furthermore, both grippers are slidably connected to a first slide rail, and the first slide rail is fixedly connected to the fixed base. The first slide rail has a limiting effect on the grippers, which can ensure the stability of the gripper movement.

[0014] Furthermore, each of the aforementioned sealing pressure plates includes a pressure plate body, which is fixedly connected to the movable seat and to the adjacent interfaces of the air pressure sensor and the solenoid valve. A sealing gasket is fixedly connected to one side of the butterfly valve body. The pressure plate body and the sealing gasket are provided with an inflation hole and a detection hole. The inflation hole is interconnected with the adjacent interface of the solenoid valve, and the detection hole is interconnected with the detection end of the air pressure sensor. The sealing gasket ensures the sealing performance after the pressure plate body and the butterfly valve body are pressed together.

[0015] Furthermore, both of the aforementioned air supply components include an air pump, and the air pump is fixedly connected to the frame. The output end of the air pump is fixedly connected to a main pipe, and a flexible hose is fixedly connected between the main pipe and the adjacent interfaces of the three adjacent solenoid valves. The flexible hose is designed to avoid affecting the movement of the solenoid valves.

[0016] Furthermore, the inner walls on both sides of the frame are fixedly connected with second slide rails, and the second slide rails are slidably connected to the two movable seats. The second slide rails have a limiting effect on the movable seats, which can ensure the stability of the movement of the movable seats.

[0017] The beneficial effects of this utility model are:

[0018] In use, this utility model provides a bidirectional testing device for butterfly valves. Through the inclusion of a geared motor, main shaft, fixed base, clamping assembly, cylinder, movable base, sealing plate, air pressure sensor, solenoid valve, and air supply assembly, the butterfly valve can be fixed once for bidirectional testing without manual flipping, reducing labor intensity and improving testing efficiency. Furthermore, by coinciding butterfly valve testing with loading and unloading, the testing efficiency can be significantly improved during large-scale testing. Attached Figure Description

[0019] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 : A first-view structural diagram of the present invention;

[0021] Figure 2 : Overall second-view structural diagram of this utility model;

[0022] Figure 3 : A three-dimensional view of the sealing pressure plate of this utility model;

[0023] Figure 4 : A diagram showing the positional relationship between the clamping assembly and the butterfly valve body of this utility model.

[0024] The attached figures are labeled as follows:

[0025] 1. Frame; 2. Air pump; 3. Gear motor; 4. Butterfly valve body; 5. Main shaft; 6. Controller; 7. Cylinder; 8. Solenoid valve; 9. Second slide rail; 10. Air pressure sensor; 11. Sealing gasket; 12. Movable seat; 13. Hose; 14. Main pipe; 15. Inflation port; 16. Detection port; 17. Pressure plate body; 18. Gripper; 19. Dual-axis motor; 20. Screw; 21. First slide rail; 22. Fixed seat. Detailed Implementation

[0026] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figures 1 to 4As shown, a bidirectional detection device for butterfly valves is disclosed, comprising a frame 1, a controller 6 fixedly mounted on one outer wall of the frame 1, and multiple butterfly valve bodies 4. A geared motor 3 is fixedly mounted on one outer wall of the frame 1, and a main shaft 5 is fixedly connected to the geared motor 3, with the main shaft 5 completely penetrating the frame 1. The main shaft 5 is rotatably connected to the frame 1, and the frame 1 and the main shaft 5 are connected by bearings. The inner ring of the bearing is fixedly connected to the main shaft 5, and the outer ring of the bearing is fixedly connected to the frame 1 to reduce the rotational resistance of the main shaft 5. Multiple fixing seats 22 are fixedly connected to both sides of the outer surface of the main shaft 5, and the multiple fixing seats 22 are fixedly mounted. The valve body 4 is located inside the clamping assembly. Each clamping assembly includes a dual-axis motor 19, which is fixedly embedded in the middle of the fixed base 22. Both drive ends of the dual-axis motor 19 are fixedly connected to screws 20, and the screws 20 are rotatably connected to the fixed base 22. The outer surfaces of the two screws 20 are threaded with grippers 18, and the two grippers 18 are slidably connected to a first slide rail 21. The first slide rail 21 is fixedly connected to the fixed base 22. The first slide rail 21 has a limiting function for the grippers 18, which can ensure the stability of the movement of the grippers 18.

[0028] Two cylinders 7 are symmetrically fitted into the top and bottom of the frame 1. The movable ends of two adjacent cylinders 7 are fixedly connected to movable seats 12. Second slide rails 9 are fixedly connected to the inner walls of both sides of the frame 1, and the second slide rails 9 are slidably connected to the two movable seats 12. Multiple sealing plates are fixedly connected to adjacent sides of the two movable seats 12. Pressure sensors 10 are fixedly installed on the side of the multiple sealing plates away from the butterfly valve body 4. Multiple solenoid valves 8 are fixedly connected to the side of the two movable seats 12 away from the sealing plates, and one of the interfaces of the solenoid valve 8 passes through the movable seat 1. 2. A sealing pressure plate is set and fixedly connected. Multiple sealing pressure plates include a pressure plate body 17, and the pressure plate body 17 is fixedly connected to the movable seat 12 and fixedly connected to the adjacent interface of the air pressure sensor 10 and the solenoid valve 8. The pressure plate body 17 is fixedly connected to a sealing gasket 11 on one side of the butterfly valve body 4. The pressure plate body 17 and the sealing gasket 11 are provided with an inflation hole 15 and a detection hole 16. The inflation hole 15 is interconnected with the adjacent interface of the solenoid valve 8, and the detection hole 16 is interconnected with the detection end of the air pressure sensor 10. The air pressure sensor 10 is an SMC PSE530-R01 model used to detect air pressure.

[0029] Multiple solenoid valves 8 on the same movable seat 12 are connected by a common air supply assembly. Both air supply assemblies include an air pump 2, and the air pump 2 is fixedly connected to the frame 1. The output end of the air pump 2 is fixedly connected to a main pipe 14. The main pipe 14 and the adjacent interfaces of the three adjacent solenoid valves 8 are fixedly connected by a hose 13. The air pump 2 provides an air source for detection.

[0030] The controller 6 is electrically connected to the solenoid valve 8, the air pressure sensor 10, the dual-axis motor 19, the air pump 2, and the cylinder 7 to facilitate overall control. The specific data analysis and processing involved to further realize the control function are methods that can be implemented by those skilled in the art based on common knowledge. These methods are not within the scope of this solution. The above description is only to illustrate the beneficial effects that can be achieved by this hardware structure improvement in conjunction with common knowledge.

[0031] Working principle: The butterfly valve body 4 is placed inside the clamping assembly at the loading station. The dual-axis motor 19 runs, driving the two screws 20 connected to it to rotate. After the two screws 20 rotate, they both drive the grippers 18 to approach the butterfly valve body 4 until the butterfly valve body 4 is fixed. The above operation is repeated until the clamping assembly at the loading station clamps and fixes the butterfly valve body 4. When the butterfly valve body 4 at the inspection station is inspected, the clamping assembly fixes it. Then, the two top cylinders 7 and the two bottom cylinders 7 run, driving the movable seat 12 away from the butterfly valve body 4 until it reaches the preset position. Then, the reduction motor 3 runs, driving the main shaft 5 to rotate 180 degrees, moving the uninspected butterfly valve body 4 to the inspection station. Then, the bottom cylinder 7 drives the bottom movable seat 12 and the pressure plate body 17, and the sealing... The sealing gasket 11 rises to the preset position, then the clamping assembly releases its clamping and fixing of the butterfly valve body 4, allowing the butterfly valve body 4 to fall onto the sealing gasket 11. Then, the two top cylinders 7 operate, driving the top pressure plate body 17 and the sealing gasket 11 to move down until the butterfly valve body 4 is fixed and sealed. Then, the two air pumps 2 operate synchronously, and the air pumps 2 fill the butterfly valve body 4 with gas through the main pipe 14, hose 13, solenoid valve 8, and air inlet 15 until the preset pressure is reached. The pressure value is detected by the air pressure sensor 10 (the pressure values ​​in the upper and lower areas of the butterfly valve body 4 are inconsistent, which helps to determine whether there is leakage above or below the butterfly valve body 4). Then, the solenoid valve 8 closes, the air pump 2 stops running, and the air pressure sensor 10 continuously monitors the pressure value change. If the change value does not exceed the threshold, it is qualified; if the change value exceeds the threshold, it is unqualified.

[0032] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A butterfly valve two-way detection device, comprising a rack (1) and a controller (6) fixedly installed on the outer wall of one side of the rack (1), a plurality of butterfly valve bodies (4), characterized in that: The outer wall of one side of the rack (1) is fixedly provided with a speed reducer (3), the speed reducer (3) is fixedly connected with a main shaft (5), and the main shaft (5) completely penetrates the rack (1) and is provided with a plurality of fixed seats (22) on the outer surface of the main shaft (5). A plurality of fixed seats (22) are fixedly provided with clamping assemblies, and the butterfly valve body (4) is located on the inner side of the clamping assembly; The top and bottom of the rack (1) are symmetrically embedded with two air cylinders (7), the movable ends of the two adjacent air cylinders (7) are fixedly connected with a movable seat (12), and the two movable seats (12) are fixedly connected with a plurality of sealing pressure plates on one side adjacent to each other. A plurality of air pressure sensors (10) are fixedly installed on the side away from the butterfly valve body (4) of the sealing pressure plate. The two movable seats (12) are fixedly connected with a plurality of electromagnetic valves (8) on the side away from the sealing pressure plate, and one of the interfaces of the electromagnetic valve (8) penetrates the movable seat (12) and is fixedly connected with the sealing pressure plate. A plurality of the electromagnetic valves (8) on the same movable seat (12) are jointly provided with a gas supply assembly.

2. The bidirectional detection device of claim 1, wherein: The main shaft (5) is rotatably connected with the rack (1).

3. The bidirectional detection device of claim 1, wherein: A plurality of the clamping assemblies each include a double-shaft motor (19), and the double-shaft motor (19) is fixedly embedded in the middle position of the fixed seat (22). The two driving ends of the double-shaft motor (19) are fixedly connected with screw rods (20), and the screw rods (20) are rotatably connected with the fixed seat (22). The outer surfaces of the two screw rods (20) are threadedly sleeved with clamping jaws (18).

4. The bidirectional detection device of claim 3, wherein: The two clamping jaws (18) are slidably connected with first sliding rails (21), and the first sliding rails (21) are fixedly connected between the clamping jaws (18) and the fixed seat (22).

5. The bidirectional detection device of claim 1, wherein: A plurality of the sealing pressure plates each include a pressure plate body (17), and the pressure plate body (17) is fixedly connected between the movable seat (12) and the air pressure sensor (10) and the adjacent interfaces of the electromagnetic valve (8). The pressure plate body (17) is fixedly connected with a sealing rubber pad (11) on one side of the butterfly valve body (4). The pressure plate body (17) and the sealing rubber pad (11) are jointly provided with an inflation hole (15) and a detection hole (16). The inflation hole (15) is in communication with the adjacent interface of the electromagnetic valve (8), and the detection hole (16) is in communication with the detection end of the air pressure sensor (10).

6. The bidirectional detection device of claim 1, wherein: The two gas supply assemblies each include a gas pump (2), and the gas pump (2) is fixedly connected between the rack (1). The output end of the gas pump (2) is fixedly penetrated with a main pipe (14), and the main pipe (14) is fixedly penetrated with a soft tube (13) between the adjacent interfaces of the adjacent three electromagnetic valves (8).

7. The bidirectional detection device of claim 1, wherein: The inner walls of the two sides of the rack (1) are fixedly connected with second sliding rails (9), and the second sliding rails (9) are slidably connected between the two movable seats (12).

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