Valve leakage detection device

Abstract

The invention relates to the field of valves, and discloses a valve leakage detection device, which comprises an adjusting support frame, and the adjusting support frame comprises a mounting seat, a rotating frame rotationally connected to the outer side of the mounting seat, an air supply assembly mounted at the top end of the rotating frame, and telescopic rods adaptively mounted at the bottom sides of the ends of the rotating frame. The clamping seat is mounted in a manner of being matched with the inner rod of the telescopic rod; the guide frame comprises a mounting frame, a guide rail fixedly connected to the outer side of the mounting frame, and a guide seat arranged on the outer side of the guide rail in a sliding manner; a valve is fixed through the clamping seat, leak detection is performed through the air supply assembly, and meanwhile, the rotating frame drives the clamping seat to move along the guide rail, so that the valve 100 is immersed in the liquid bin detection liquid to complete leak detection. The transparent bin body facilitates observation of the leak hunting process. In the leak detection process, the valve subjected to leak detection can be synchronously disassembled, and the valve to be subjected to leak detection can be installed, so that continuous leak detection is realized, and the overall working efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of valves, and in particular to a valve leakage detection device. Background Art

[0002] In many industrial fields, such as nuclear power, petroleum, chemical industry, electric power, and metallurgy, valves are key control components in fluid delivery systems. Their sealing performance plays a vital role in ensuring the safe and stable operation of the system. Therefore, in industrial production processes, leak testing of batch valves is an essential step to ensure that valve quality meets requirements.

[0003] Currently, there are a variety of devices available on the market for valve leakage detection. For example, Chinese Patent Publication No. CN112098003A discloses a safety valve leakage detection device. Its structure includes a frame, a first hydraulic rod, a sponge pad, a groove plate, a rack, a gear, a clamping device, and other components. This device uses the clamping device to clamp and secure the safety valve to perform the detection function. However, these devices and other existing valve leakage detection devices have many shortcomings in practical applications.

[0004] From a structural design perspective, most of these devices are relatively simple and have relatively fixed working modes. When inspecting a certain valve, the inspection steps and the valve disassembly and assembly steps restrict each other, making it impossible for staff to carry out disassembly and assembly of other valves at the same time. Once a valve enters the inspection phase, staff can only wait on the side and cannot perform other operations. After the current valve inspection is completed, staff need to carefully remove the inspected valve from the device, mark and classify it, and then accurately install the next valve to be inspected on the inspection device, and adjust the position and angle to ensure a stable installation. This series of operating procedures is cumbersome, and each step requires staff to concentrate highly. Any carelessness may affect the accuracy of subsequent test results, and the entire process takes a long time.

[0005] This inspection method results in extremely low efficiency for batch valve testing, significantly slowing production progress. This is especially true in large-scale industrial production, where a large number of valves require inspection. This inefficient inspection process not only prolongs production cycles and increases labor costs, but can also affect the normal operation of the entire production line due to untimely valve inspections, potentially posing a potential safety risk. Summary of the Invention

[0006] Therefore, the technical problem to be solved by the present invention is that when inspecting a certain valve, the inspection step and the valve disassembly and assembly step restrict each other, making it impossible for the staff to carry out the disassembly and assembly of other valves at the same time.

[0007] The above technical problem is solved by the following technical solution: The present invention proposes a valve leakage detection device, which includes:

[0008] An adjustable support frame, comprising a mounting base, a rotating frame rotatably connected to the outside of the mounting base, an air supply assembly mounted on the top of the rotating frame, a telescopic rod adapted to be mounted on the bottom side of each end of the rotating frame, and a clamping base adapted to be mounted on the inner rod of the telescopic rod;

[0009] A guide frame, the guide frame comprising a mounting frame, a guide rail fixedly connected to the outside of the mounting frame, and a guide seat slidably arranged on the outside of the guide rail;

[0010] A liquid tank, the liquid tank being used to contain a test liquid;

[0011] A base frame, the base frame being used for mounting the adjustment support frame, the guide frame and the liquid tank;

[0012] The number of telescopic rods and clamping seats is the same as the number of guide seats. After the valve is installed on the clamping seat, the air supply assembly is activated and the rotating frame rotates, causing the clamping seat to rotate along the guide rail via the guide seat. The special structural design of the guide rail allows leak detection on a single set of valves. Operators can remove valves that have been leak-tested and simultaneously install valves that need leak testing, allowing for simultaneous execution of various tasks, greatly improving overall work efficiency.

[0013] In a preferred embodiment of the valve leakage detection device of the present invention, the guide rail comprises a main rail and an auxiliary rail connected end to end to the main rail. The main rail is annular, and the auxiliary rail is recessed from both ends to the midpoint toward the liquid reservoir. The special design of the auxiliary rail facilitates the movement of the guide seat from the main rail to the outside of the auxiliary rail. Guided by the auxiliary rail, the guide seat moves downward as a whole, thereby immersing the valve mounted on the clamping seat in the detection fluid within the liquid reservoir, enabling valve detection.

[0014] In a preferred embodiment of the valve leakage detection device of the present invention, the angular ratio of the auxiliary rail to the guide rail is n, where n is 1 divided by the number of guide seats. This special design of the ratio of the auxiliary rails ensures that when multiple sets of guide seats slide along the guide rails, when one set of guide seats is at the lowest point of the auxiliary rail, the remaining guide seats are all on the main rail. This ensures that only one set of valves is immersed in the test fluid in the liquid tank at a time, without affecting the installation of the valves to be tested or the removal of the valves after testing.

[0015] In a preferred embodiment of the valve leakage detection device of the present invention: the guide seat includes a slider slidably connected to the outside of the guide rail, a connecting rod plugged into the slider, an inner arc block rotatably connected to one end of the connecting rod, an outer arc block connected to the inner arc block by bolts, and a fastening bolt for threaded connection of the slider and the connecting rod. By clamping the slider on the guide rail, the slider is prompted to slide along the guide rail, and the outer rod of the telescopic rod can be installed and fixed by the inner arc block and the outer arc block. When the rotating frame rotates, the guide seat is driven to slide along the guide rail by the telescopic rod. When the slider slides along the main rail to the auxiliary rail, the adaptive rotation of the connecting rod and the inner arc block can ensure that the slider slides stably along the main rail and the auxiliary rail.

[0016] In a preferred embodiment of the valve leakage detection device of the present invention, a motor, a driving gear fixedly connected to the motor output, and a driven gear fixedly connected to the outside of the rotating frame are adapted to be mounted on a top side of the mounting base, the driving gear being meshed with the driven gear. When the motor is activated, the driving gear at the motor output rotates, and the driving gear, through the transmission of the driven gear, drives the rotating frame to rotate.

[0017] In a preferred embodiment of the valve leakage detection device of the present invention: the top of the rotating frame is provided with an output end of an air pump connected to an air pipe, and an electromagnetic valve is provided inside the air pipe;

[0018] The number of the air pipes is the same as the number of the telescopic rods. By starting the air pump, gas can be input into the air pipes, and by controlling different solenoid valves, gas can be output from the designated air pipes and finally enter the valve to realize leak detection.

[0019] In a preferred embodiment of the valve leakage detection device of the present invention: the clamping seat includes an upper plate, a lower plate, an air connection head fixedly connected to the top of the lower plate, and two sets of screws for connecting the upper plate and the lower plate;

[0020] The inner rod of the telescopic rod has a through-hole, through which the air pipe is inserted and connected to the air connection head. By placing the valve between the upper and lower plates, rotating the screw can drive the lower plate to move and ultimately clamp the valve. The valve can be connected to the air pipe through the air connection head, ensuring that the valve can be leak-tested.

[0021] In a preferred embodiment of the valve leakage detection device of the present invention, a rubbing disc is fixedly connected to one end of the screw, a sprocket is fixedly connected to the outer side of the screw, and the sprockets of two sets of screws are connected by a chain. By rotating the rubbing disc of one set of screws, the two sets of screws are driven by the sprockets and chain to rotate synchronously, making overall operation more convenient.

[0022] In a preferred embodiment of the valve leakage detection device of the present invention, the liquid tank includes a tank body and an inner frame fixedly connected to the inner side of the tank body, and the tank body is entirely made of a transparent material. The transparent tank body design facilitates operator observation during valve testing, thereby improving the quality of leak detection.

[0023] In a preferred embodiment of the valve leakage detection device of the present invention: the base frame includes a base, a vertical rod plugged into the top of the base, and a sleeve sleeved on the outside of the vertical rod;

[0024] Wherein, the mounting seat is mounted on the outside of the sleeve by bolts, the mounting frame is mounted on the outside of the sleeve by bolts, and the inner frame is mounted on the outside of the sleeve by bolts.

[0025] The present invention provides the following advantages: a clamping seat secures the valve, an air supply assembly is used for leak detection, and a rotating frame drives the clamping seat along a guide rail, immersing the valve 100 in the test fluid in the liquid tank to complete the leak detection. The transparent tank facilitates observation of the leak detection process. During the leak detection process, the valve that has been leak-tested can be removed and the valve to be tested can be installed simultaneously, achieving continuous leak detection and significantly improving overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings of the embodiments of the present invention. Obviously, the drawings described below only relate to some embodiments of the present invention, and are not intended to limit the present invention.

[0027] Figure 1 Shown is a schematic diagram of the overall structure of the present invention.

[0028] Figure 2 A schematic structural diagram of the guide frame of the present invention is shown.

[0029] Figure 3 An exploded schematic diagram of the guide seat structure of the present invention is shown.

[0030] Figure 4 Shown is a schematic diagram of the liquid bin structure of the present invention.

[0031] Figure 5 A schematic structural diagram of the adjustable support frame of the present invention is shown.

[0032] Figure 6 A schematic structural diagram of the mounting base and the rotating frame of the present invention is shown.

[0033] Figure 7 A schematic structural diagram of the telescopic rod and the clamping seat of the present invention is shown.

[0034] Figure 8 The figure shows the overall structure diagram of the clamping seat of the present invention.

[0035] Figure 9 A schematic diagram of the explosion structure of the chassis of the present invention is shown. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below with reference to specific embodiments and the accompanying drawings.

[0037] The terms used in the present invention are those commonly used in the art in view of the functions of the present invention, but these terms may vary according to the intentions of those skilled in the art, precedents, or new technologies in the art. In addition, specific terms may be selected by the applicant, and in such cases, their detailed meanings will be described in the detailed description of the present invention. Therefore, the terms used in the specification should not be understood as simple names, but rather as the meanings of the terms and the overall description of the present invention.

[0038] Reference Figures 1 to 9 , this embodiment provides a valve leakage detection device, which includes,

[0039] The adjustable support frame 1 includes a mounting base 11, a rotating frame 12 rotatably connected to the outside of the mounting base 11, an air supply assembly 13 installed at the top of the rotating frame 12, a telescopic rod 14 adapted to be installed at the bottom side of each end of the rotating frame 12, and a clamping base 15 adapted to be installed on the inner rod of the telescopic rod 14;

[0040] The guide frame 2 includes a mounting frame 21, a guide rail 22 fixedly connected to the outside of the mounting frame 21, and a guide seat 23 slidably arranged on the outside of the guide rail 22;

[0041] Liquid tank 3, liquid tank 3 is used to contain the test liquid;

[0042] The base frame 4 is used to install and adjust the support frame 1, the guide frame 2 and the liquid tank 3;

[0043] The number of telescopic rods 14 and clamping seats 15 provided is the same as the number of guide seats 23. After the valve 100 is installed on the clamping seat 15, the air supply assembly 13 is activated and when the rotating frame 12 rotates, the clamping seat 15 will rotate along the guide rail 22 via the guide seat 23. The special structural design of the guide rail 22 allows leak detection of a single set of valves 100. The operator can also disassemble the valve 100 after leak detection and install the valve 100 to be leak tested at the same time, allowing various tasks to be carried out simultaneously, greatly improving overall work efficiency.

[0044] The guide rail 22 comprises a main rail 221 and an auxiliary rail 222 connected end to end to the main rail 221. The main rail 221 is annular, while the auxiliary rail 222 is recessed from both ends to the midpoint toward the liquid tank 3. The special design of the auxiliary rail 222 forces the guide seat 23 to move from the main rail 221 to the outside of the auxiliary rail 222. Guided by the auxiliary rail 222, the guide seat 23 moves downward as a whole, thereby immersing the valve 100 mounted on the clamping seat 15 in the test fluid within the liquid tank 3, enabling testing of the valve 100.

[0045] The guide seat 23 includes a slider 231 slidably connected to the outside of the guide rail 22, a connecting rod 232 plugged into the slider 231, an inner arc block 233 rotatably connected to one end of the connecting rod 232, an outer arc block 234 bolted to the inner arc block 233, and a fastening bolt 235 for threadedly connecting the slider 231 and the connecting rod 232. By clamping the slider 231 on the guide rail 22, the slider 231 is prompted to slide along the guide rail 22. The inner arc block 233 and the outer arc block 234 secure the outer rod of the telescopic rod 14. When the rotating frame 12 rotates, the telescopic rod 14 drives the guide seat 23 to slide along the guide rail 22. When the slider 231 slides from the primary rail 221 to the secondary rail 222, the adaptive rotation of the connecting rod 232 and the inner arc block 233 ensures that the slider 231 slides stably along the primary rail 221 and the secondary rail 222.

[0046] A motor 121, a driving gear 122 fixedly connected to the output end of the motor 121, and a driven gear 123 fixedly connected to the outside of the rotating frame 12 are adapted to be mounted on the top of one side of the mounting base 11. The driving gear 122 is meshed with the driven gear 123. When the motor 121 is started, the driving gear 122 at the output end of the motor 121 is driven to rotate by the motor 121, and the driving gear 122 drives the rotating frame 12 to rotate through the transmission of the driven gear 133.

[0047] The top of the rotating frame 12 is provided with an air pump 131, the output end of which is connected to an air pipe 132, and an electromagnetic valve 133 is provided inside the air pipe 132;

[0048] The number of air pipes 132 is the same as that of the telescopic rods 14. By starting the air pump 131, gas can be input into the air pipes 132, and by controlling different solenoid valves 133, gas can be output from the designated air pipes 132 and finally enter the valve 100 to achieve leak detection.

[0049] The clamping base 15 includes an upper plate 151, a lower plate 152, an air connection head 153 fixedly connected to the top of the lower plate 152, and two sets of screws 154 for connecting the upper plate 151 and the lower plate 152;

[0050] The inner rod of telescopic rod 14 has a through-hole, through which air pipe 132 is inserted and connected to air connector 153. By placing valve 100 between upper plate 151 and lower plate 152, rotating screw 154 can move lower plate 152 and ultimately clamp valve 100. Air connector 153 connects valve 100 to air pipe 132, ensuring that valve 100 can be leak-tested.

[0051] The liquid tank 3 includes a tank body 31 and an inner frame 32 fixedly connected to the inner side of the tank body 31. The tank body 31 is made of a transparent material. The design of the tank body 31 made of a transparent material can facilitate the operator to observe the valve 100 during the inspection process and improve the quality of leak detection.

[0052] The base frame 4 includes a base 41, a vertical rod 42 inserted into the top of the base 41, and a sleeve 43 sleeved on the outside of the vertical rod 42;

[0053] The mounting seat 11 is mounted on the outside of the sleeve 43 by bolts, the mounting frame 21 is mounted on the outside of the sleeve 43 by bolts, and the inner frame 32 is mounted on the outside of the sleeve 43 by bolts.

[0054] First, install the valve 100 on the clamping seat 15. Rotating the screw 154 drives the lower plate 152 to move, clamping the valve 100 with the upper and lower plates 151 and 152. The valve 100 is then connected to the air pipe 132 via the air connector 153. Next, activate the air supply assembly 13. The air pump 131 inputs gas into the air pipe 132. By controlling different solenoid valves 133, the gas is output from a specific air pipe 132 and enters the valve 100 for leak detection. Simultaneously, the motor 121 is activated. The driving gear 122 at the motor output end, through the driven gear 133, drives the rotating frame 12 to rotate, thereby driving the clamping seat 15 to rotate along the guide rail 22 via the guide seat 23. When the slider 231 of the guide seat 23 slides along the main rail 221 to the auxiliary rail 222, the connecting rod 232 and the inner arc block 233 rotate adaptively to ensure that the slider 231 slides stably, and the guide seat 23 moves downward as a whole under the guidance of the auxiliary rail 222, so that the valve 100 installed on the clamping seat 15 is immersed in the detection liquid inside the liquid tank 3 for detection. The tank body 31 is made of transparent material, which is convenient for the operator to observe the valve 100 detection process and improve the quality of leak detection. During the leak detection process, the operator can disassemble the valve 100 that has been leak-tested and install the valve 100 that needs to be leak-tested at the same time, so that various tasks can be carried out simultaneously and work efficiency can be greatly improved. After the leak detection is completed, another group of valves 100 is rotated to the lowest point of the auxiliary rail 222 to carry out the leak detection of the next group.

[0055] In summary, valve 100 is secured by clamping base 15, leak detection is performed using air supply assembly 13, and simultaneously, rotating frame 12 drives the clamping base along guide rail 22, immersing valve 100 in the test fluid in liquid reservoir 3 to complete the leak detection. The transparent reservoir body 31 facilitates observation of the leak detection process. During the leak detection process, the valve 100 that has been leak-tested can be removed and the valve 100 to be tested can be installed simultaneously, achieving continuous leak detection and greatly improving overall work efficiency.

[0056] As an example provided, Figure 8 One end of the screw rod 154 is fixedly connected to a rubbing plate 1541, and the outer side of the screw rod 154 is fixedly connected to a sprocket 1542. The sprockets 1542 of the two sets of screw rods 154 are connected by a chain. By rotating the rubbing plate 1541 of one set of screw rods 154, the two sets of screw rods 154 are driven by the sprocket 1542 and the chain to rotate synchronously, making the overall operation more convenient.

[0057] As an example provided, Figure 2The angular ratio of the auxiliary rail 222 to the guide rail 22 is n, where n is 1 divided by the number of guide seats 23. The special ratio design of the auxiliary rail 222 ensures that when multiple groups of guide seats 23 slide along the guide rail 22, when one group of guide seats 23 is at the lowest point of the auxiliary rail 222, the remaining guide seats 23 are all on the main rail 221. This ensures that only one group of valves 100 is immersed in the testing liquid in the liquid tank 3 at a time, without affecting the installation of the valves 100 to be tested or the removal of the valves 100 after testing.

[0058] Finally, it should be pointed out that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways without departing from the scope of the present invention.

Claims

1. A valve leakage detection device, characterized in that: include, An adjustable support frame (1), comprising a mounting seat (11), a rotating frame (12) rotatably connected to the outside of the mounting seat (11), an air supply assembly (13) mounted on the top of the rotating frame (12), a telescopic rod (14) adapted to be mounted on the bottom side of each end of the rotating frame (12), and a clamping seat (15) adapted to be mounted on the inner rod of the telescopic rod (14); A guide frame (2), the guide frame (2) comprising a mounting frame (21), a guide rail (22) fixedly connected to the outside of the mounting frame (21), and a guide seat (23) slidably arranged on the outside of the guide rail (22); A liquid tank (3), the liquid tank (3) is used to contain the test liquid; A base frame (4), the base frame (4) being used for mounting the adjustment support frame (1), the guide frame (2) and the liquid tank (3); The number of the telescopic rods (14) and the clamping seats (15) provided is the same as the number of the guide seats (23) provided.

2. The valve leakage detection device according to claim 1, characterized in that: The guide rail (22) comprises a main rail (221) and an auxiliary rail (222) connected end to end to the main rail (221); the main rail (221) is designed to be annular; and the auxiliary rail (222) is designed to be concave from both ends to the midpoint toward the liquid bin (3).

3. The valve leakage detection device according to claim 2, characterized in that: The angle ratio of the auxiliary rail (222) in the guide rail (22) is n, and the value of n is 1 divided by the number of the guide seats (23).

4. The valve leakage detection device according to claim 3, characterized in that: The guide seat (23) includes a slider (231) slidably connected to the outside of the guide rail (22), a connecting rod (232) plugged into the slider (231), an inner arc block (233) rotatably connected to one end of the connecting rod (232), an outer arc block (234) mounted and connected to the inner arc block (233) by bolts, and a fastening bolt (235) for threaded connection between the slider (231) and the connecting rod (232).

5. The valve leakage detection device according to any one of claims 1 to 4, characterized in that: A motor (121), a driving gear (122) fixedly connected to the output end of the motor (121), and a driven gear (123) fixedly connected to the outside of the rotating frame (12) are adapted to be installed on the top end of one side of the mounting seat (11), and the driving gear (122) is meshedly connected with the driven gear (123).

6. The valve leakage detection device according to claim 5, characterized in that: The top of the rotating frame (12) is provided with an air pump (131), the output end of which is connected to an air pipe (132), and an electromagnetic valve (133) is provided inside the air pipe (132); The number of the air pipes (132) is the same as the number of the telescopic rods (14).

7. The valve leakage detection device according to claim 6, characterized in that: The clamping seat (15) includes an upper plate (151), a lower plate (152), an air connection head (153) fixedly connected to the top of the lower plate (152), and two sets of screws (154) for connecting the upper plate (151) and the lower plate (152); A through hole is provided inside the inner rod of the telescopic rod (14), and the air pipe (132) is inserted into the through hole and connected to the air connection head (153) through the through hole.

8. The valve leakage detection device according to claim 7, characterized in that: One end of the screw rod (154) is fixedly connected to a rubbing plate (1541), the outer side of the screw rod (154) is fixedly connected to a sprocket (1542), and the sprockets (1542) of the two groups of screw rods (154) are connected by a chain.

9. The valve leakage detection device according to claim 8, characterized in that: The liquid tank (3) comprises a tank body (31) and an inner frame (32) fixedly connected to the inner side of the tank body (31); the tank body (31) is entirely made of a transparent material.

10. The valve leakage detection device according to claim 9, characterized in that: The base frame (4) comprises a base (41), a vertical rod (42) plugged into the top of the base (41), and a sleeve (43) sleeved on the outside of the vertical rod (42); The mounting seat (11) is mounted on the outside of the sleeve (43) by bolts, the mounting frame (21) is mounted on the outside of the sleeve (43) by bolts, and the inner frame (32) is mounted on the outside of the sleeve (43) by bolts.

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