One-piece type thin clamping high platform flange ball valve based on hydraulic drive and driving method of one-piece type thin clamping high platform flange ball valve

Abstract

The invention discloses a one-piece thin clamping high platform flange ball valve based on hydraulic driving and a driving method thereof, and relates to the technical field of hydraulic driving ball valves.The one-piece thin clamping high platform flange ball valve comprises a pipe body valve seat, a ball body with a drainage hole formed in the center and a driving assembly, a ball containing groove is formed in the inner wall of the pipe body valve seat, and the bottom of the ball body is rotationally installed in the ball containing groove; a mounting shell is mounted at the top of the pipe body valve seat, the driving assembly is located above the pipe body valve seat and arranged in the mounting shell, the driving assembly comprises a hydraulic cylinder, a brake rack, a driven gear and a rotating rod, the hydraulic cylinder is fixedly mounted on the outer side of the mounting shell, and the brake rack is arranged in the mounting shell and mounted at the output end of the hydraulic cylinder. Opening and closing of the ball body can be controlled through the driving assembly, meanwhile, the secondary water blocking and pressure relief assembly can be controlled to conduct secondary water blocking on the interior of the pipeline and reduce the water pressure around the ball body, and therefore the dual water blocking effect can be achieved, ball body loss is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulically driven ball valves, and in particular to a one-piece thin-clamp high-platform flange ball valve based on hydraulic drive and a driving method thereof. Background Art

[0002] One-piece high platform ball valve is a kind of valve widely used in pipeline systems. It is a kind of ball valve. Its main feature is that the design of the valve body makes the valve installation and operation height higher. Its main function is to control the flow of fluids. It can be opened and closed quickly and has good sealing performance. It is suitable for the flow control of various liquids and gases.

[0003] Publication No. CN115654170B discloses a hydraulically driven ball valve, including a sealing module, a boosting module and a boosting module, wherein the sealing module includes a hydraulic ball valve connected to the sealing module and two channels plugged into the hydraulic ball valve. In the present invention, synthetic rubber is conveyed into the melting hopper, and after the synthetic rubber becomes liquid, the solenoid valve is opened, and the liquid enters the annular cooling cavity along the feeding pipe, and then the double-axis motor is turned on, and the double-axis motor moves the piston rod through the gear, and the piston rod presses the air in the intake pipe into the annular liquid accumulation cavity, and then the liquid enters the annular cooling cavity, and the liquid cools to form a sealing ring, and then the piston rod that continues to be inserted into the intake pipe increases the internal pressure of the annular liquid accumulation cavity, and the sealing ring enters the annular material storage cavity through the annular partition cavity, and the sealing ring fits with the ball in the hydraulic ball valve.

[0004] The hydraulically driven ball valve in the above technical solution controls the flow of fluid only through the ball when in use. Therefore, the water-blocking effect is likely to deteriorate after the ball is worn, and the pressure around the ball will generally increase significantly in the closed state, which will accelerate the wear and shorten the service life. Therefore, the water-blocking effect and the effect of reducing wear need to be improved. Summary of the invention

[0005] The purpose of the present invention is to provide a one-piece thin-clamp high-platform flange ball valve based on hydraulic drive and a driving method thereof, which solves the problem that the water blocking effect of the ball is easily deteriorated after being worn, and the pressure around the ball generally increases significantly in the closed state, thereby accelerating the wear and shortening the service life.

[0006] The present invention solves the above technical problems through the following technical solutions. The present invention includes a tube valve seat, a ball with a drainage hole in the center, and a driving assembly. A ball groove is provided on the inner wall of the tube valve seat. The bottom of the ball is rotatably installed in the ball groove. A mounting shell is installed on the top of the tube valve seat. The driving assembly is located above the tube valve seat and is arranged in the mounting shell. The driving assembly includes a hydraulic cylinder, a brake rack, a driven gear and a rotating rod. The hydraulic cylinder is fixedly installed on the outside of the mounting shell. The brake rack is arranged in the mounting shell and is installed at the output end of the hydraulic cylinder. The rotating rod is arranged in the mounting shell and the bottom is fixedly connected to the top of the ball. The driven gear is fixedly installed on the top of the rotating rod and one side of the driven gear is meshed with the brake rack. A fixed shell is installed on one side of the mounting shell above the tube body valve seat, and a secondary water-blocking and pressure-relief component for double water blocking and reducing ball loss is arranged in the fixed shell. A liquid storage chamber is provided inside the upper part of the fixed shell, and a moving component for controlling the secondary water-blocking and pressure-relief component is provided on one side of the brake rack. The liquid storage chamber is filled with hydraulic oil, and the secondary water-blocking and pressure-relief component includes a water-blocking plate and a mounting spring. An accommodating chamber is provided in the tube body valve seat and the fixed shell, and the water-blocking plate is installed above the inner wall of the accommodating chamber through the mounting spring, and a connecting hole is provided between the accommodating chamber and the liquid storage chamber.

[0007] Preferably, the moving component includes a connecting block and a sealing plate, a connecting channel is opened between the mounting shell and the liquid storage chamber, the sealing plate is clamped in the liquid storage chamber, the connecting block is installed between the sealing plate and the brake rack and the connecting block is clamped in the connecting channel.

[0008] Preferably, a flow limiting rod is installed above the water blocking plate, the flow limiting rod is clamped in the connecting hole, and the length of the flow limiting rod arranged in the connecting hole is greater than the distance between the bottom of the water blocking plate and the bottom of the accommodating cavity.

[0009] Preferably, the bottom of the water blocking plate is semicircular in shape, and the diameter of the bottom of the water blocking plate is not less than the inner diameter of the valve seat of the tube body.

[0010] Preferably, a limit ring is installed on the inner wall of the tube body valve seat, and the limit ring is attached to one side of the spherical body.

[0011] Preferably, flanges are fixedly mounted on both sides of the tube body valve seat, and a plurality of mounting holes are evenly opened on the flanges.

[0012] Preferably, a sampling groove is provided at a position outside the accommodating cavity below the inner part of the tube body valve seat, a drainage hole is provided between the sampling groove and the inner wall of the tube body valve seat, a sealing assembly for controlling the discharge of the internal flow of the pipeline is provided in the sampling groove, a push rod for controlling the opening and closing of the sealing assembly is installed below the water blocking plate, the sealing assembly includes a control plate and a limit spring, the control plate is installed in the sampling groove through the limit spring and the top of the control plate is attached below the drainage hole, a discharge hole is provided between the sampling groove and the outer wall of the tube body valve seat, a guide rod is vertically installed on the inner wall of the sampling groove, a guide hole is provided on the sealing plate, and the guide rod is clamped in the guide hole.

[0013] Preferably, the upper portion of the push rod is in the shape of an inverted truncated cone and the lower portion of the push rod is in the shape of a straight rod with a diameter the same as the bottom diameter of the upper portion, and the shape of the drainage hole fits the shape of the upper portion of the push rod.

[0014] Preferably, a collecting shell connected to the discharge hole is installed below the valve seat of the tube body, and a collecting hopper is arranged in the collecting shell.

[0015] Preferably, the hydraulic driving method is used to control the rotation of the sphere, control the use of the secondary water-blocking and pressure-relief component, and control the opening and closing of the sealing component. The hydraulic driving method is that the hydraulic cylinder drives the sphere to rotate by controlling other structures of the driving component. At the same time, the driving component can control the movement of the moving component and control the movement of the hydraulic oil to control the secondary water-blocking and pressure-relief component to move downward. The water-blocking and pressure-relief component can reduce the influence of water pressure on the sphere when the sphere is in a closed state. When the secondary water-blocking and pressure-relief component moves downward, the sealing component can be controlled to open by the push rod below, and part of the fluid in the pipeline can be discharged before closing to achieve a sampling effect.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The present invention can control the opening and closing of the sphere through the driving component, and can also control the secondary water-blocking and pressure-relief component to perform secondary water blocking in the pipeline and reduce the water pressure around the sphere, thereby achieving a dual water-blocking effect, reducing sphere loss and extending service life.

[0018] 2. The present invention can discharge the fluid in the pipeline before closing to achieve the sampling effect by setting a sampling groove and cooperating with other structures. Therefore, it is convenient to use in pipelines that need to frequently detect fluids or pipelines with multiple sections where material leakage is prone to occur locally. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a construction diagram of the present invention; Figure 2 It is a cross-sectional structural view of the present invention; Figure 3 It is a structural view of the drive assembly of the present invention; Figure 4 This is a structural view of the secondary water blocking and pressure relief assembly of the present invention; Figure 5 is a cross-sectional view of the accommodation cavity of the present invention; Figure 6 It is a structural view of the mobile component of the present invention; Figure 7 For the present invention Figure 2 Partial structure view.

[0020] The numbers in the figure represent: 1. Tube valve seat; 2. Ball; 3. Drive assembly; 301. Hydraulic cylinder; 302. Brake rack; 303. Driven gear; 304. Rotating rod; 4. Ball slot; 5. Mounting shell; 6. Fixed shell; 7. Secondary water-blocking and pressure-relief assembly; 701. Water-blocking plate; 702. Mounting spring; 8. Liquid storage chamber; 9. Hydraulic oil; 10. Accommodating chamber; 11. Connecting hole; 12. Moving assembly; 1201. Connecting block; 1202. Sealing sheet; 13. Flow-limiting rod; 14. Limiting ring; 15. Flange; 16. Mounting hole; 17. Sampling slot; 18. Drain hole; 19. Blocking assembly; 1901. Control sheet; 1902. Limiting spring; 20. Discharge hole; 21. Guide rod; 22. Guide hole; 23. Collecting shell; 24. Collecting bucket. DETAILED DESCRIPTION

[0021] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0022] Embodiment 1

[0023] This embodiment provides a technical solution: a one-piece thin clamp high platform flange ball valve based on hydraulic drive, such as Figure 1-Figure 3As shown, it includes a tube valve seat 1, a ball 2 with a drainage hole in the center, and a drive assembly 3. A ball groove 4 is provided on the inner wall of the tube valve seat 1. The bottom of the ball 2 is rotatably installed in the ball groove 4. The diameters of the ball 2 and the ball groove 4 should be larger than the inner diameter of the tube valve seat 1, so as to ensure good sealing. A mounting shell 5 is installed on the top of the tube valve seat 1. The drive assembly 3 is located above the tube valve seat 1 and is arranged in the mounting shell 5. The drive assembly 3 includes a hydraulic cylinder 301, a brake rack 302, a driven gear 303 and a rotating rod 304. The hydraulic cylinder 301 is fixedly installed outside the mounting shell 5 On the other hand, the brake rack 302 is arranged in the mounting shell 5 and is installed at the output end of the hydraulic cylinder 301, the rotating rod 304 is arranged in the mounting shell 5 and the bottom is fixedly connected to the top of the sphere 2, the driven gear 303 is fixedly installed on the top of the rotating rod 304 and one side of the driven gear 303 is meshed with the brake rack 302, and the hydraulic cylinder 301 can control the horizontal movement of the brake rack 302. When the brake rack 302 moves, it can drive the driven gear 303 and the rotating rod 304 to rotate, so as to control the horizontal rotation of the sphere 2, and then control the flow or retention of the fluid.

[0024] In the specific implementation, such as Figure 2 , Figure 4 and Figure 5 As shown, a fixed shell 6 is installed on one side of the mounting shell 5 above the tube body valve seat 1, and a secondary water-blocking and pressure-relief component 7 for double water blocking and reducing the loss of the ball 2 is arranged in the fixed shell 6. A liquid storage chamber 8 is opened inside the upper part of the fixed shell 6, and a moving component 12 for controlling the secondary water-blocking and pressure-relief component 7 is arranged on one side of the brake rack 302. The liquid storage chamber 8 is filled with hydraulic oil 9. The secondary water-blocking and pressure-relief component 7 includes a water-blocking plate 701 and a mounting spring 702. The tube body valve seat 1 and the fixed shell 6 are provided with a accommodating chamber 10 The water blocking plate 701 is installed on the inner wall of the accommodating chamber 10 by installing the spring 702. A connecting hole 11 is opened between the accommodating chamber 10 and the liquid storage chamber 8. When the driving component 3 is controlled by the hydraulic cylinder 301 to drive the ball 2 to rotate and close the valve body, the secondary water blocking and pressure relief component 7 can be controlled to move under the linkage action of the moving component 12. The secondary water blocking and pressure relief component 7 can achieve a double closing effect and greatly reduce the water pressure around the ball 2. Therefore, the loss of the ball 2 can be reduced and the service life can be increased.

[0025] In the specific implementation, such as Figure 2 and 6As shown, the moving assembly 12 includes a connecting block 1201 and a sealing sheet 1202, a connecting channel is provided between the mounting shell 5 and the liquid storage chamber 8, the sealing sheet 1202 is clamped in the liquid storage chamber 8, the connecting block 1201 is installed between the sealing sheet 1202 and the brake rack 302, and the connecting block 1201 is clamped in the connecting channel, and when the hydraulic cylinder 301 controls the driving assembly 3 to move, the brake rack 302 can simultaneously push the connecting block 1201 and the sealing sheet 1202 to move, and when the sealing sheet 1202 moves, it can squeeze the hydraulic oil 9 in the liquid storage chamber 8 to move, and under the action of the hydraulic pressure, it can push the water blocking plate 701 to stretch the mounting spring 702 and move downward, and when the bottom of the water blocking plate 701 is completely in contact with the bottom of the inner wall of the accommodating chamber 10, the sphere 2 can be rotated to a closed state, so that the sphere 2 and the water blocking plate 701 can play a dual water blocking effect, and the amount of water around the sphere 2 is greatly reduced, and the water pressure is significantly reduced, thereby reducing the loss of the sphere 2.

[0026] Further, such as Figure 5 As shown, a flow limiting rod 13 is installed above the water blocking plate 701, and the flow limiting rod 13 can push the water blocking plate 701 downward. The flow limiting rod 13 is stuck in the connecting hole 11. The length of the flow limiting rod 13 set in the connecting hole 11 is greater than the distance between the bottom of the water blocking plate 701 and the bottom of the accommodating chamber 10. Therefore, when the water blocking plate 701 moves to the lowest point, the flow limiting rod 13 is still in the connecting hole 11, thereby preventing the hydraulic oil 9 from entering the accommodating chamber 10.

[0027] Furthermore, the bottom of the water blocking plate 701 is semicircular in shape, and the diameter of the bottom of the water blocking plate 701 is not less than the inner diameter of the tube valve seat 1, thereby ensuring a good water blocking effect.

[0028] Furthermore, a limit ring 14 is installed on the inner wall of the tube valve seat 1 , and the limit ring 14 is attached to one side of the ball 2 . The limit ring 14 can enhance the stability of the ball 2 .

[0029] Furthermore, flanges 15 are fixedly mounted on both sides of the pipe body valve seat 1 , and a plurality of mounting holes 16 are evenly opened on the flanges 15 , so that the pipe body valve seat 1 can be conveniently connected to the pipeline through the flanges 15 .

[0030] In this embodiment, the opening and closing of the ball 2 can be controlled by the driving component 3, and at the same time, the secondary water blocking and pressure relief component 7 can be controlled to perform secondary water blocking in the pipeline and reduce the water pressure around the ball 2, so that a double water blocking effect can be achieved, the loss of the ball 2 can be reduced, and the service life can be extended. When in use, the valve body is in the open and closed state. Figure 2As shown, the drainage hole at the center of the sphere 2 is aligned with the inner cavity of the tube body valve seat 1, and the fluid can pass normally. When closed, the hydraulic cylinder 301 can push the brake rack 302, and the brake rack 302 can drive the driven gear 303 and the rotating rod 304 to rotate, so the rotating rod 304 can drive the sphere 2 to rotate. When the hydraulic cylinder 301 is fully extended, the sphere 2 rotates 90°, so that the pipeline can be closed. At the same time, when the brake rack 302 moves, it can push the connecting block 1201 and the sealing plate 1202 to move, and the sealing plate 1202 can squeeze the hydraulic oil 9 in the liquid storage chamber 8 to flow. Under the action of the hydraulic pressure, the flow limiting rod 13 in the connecting hole 11 can be pushed downward, and the flow limiting rod 13 can push the water blocking plate 701 to move downward while stretching the installation spring 702. When the hydraulic cylinder 301 is fully extended, the water blocking plate 701 can move to the bottom of the accommodating chamber 10, so at this time, double water blocking can be achieved by the water blocking plate 701 and the sphere 2.

[0031] Embodiment 2

[0032] This embodiment is further optimized on the basis of the above embodiment. To better implement the present invention, the following configuration is particularly adopted: This embodiment provides a technical solution: a one-piece thin clamp high platform flange 15 ball valve based on hydraulic drive, such as Figure 1-Figure 3 As shown, it includes a tube valve seat 1, a ball 2 with a drainage hole in the center, and a drive assembly 3. A ball groove 4 is provided on the inner wall of the tube valve seat 1. The bottom of the ball 2 is rotatably installed in the ball groove 4. The diameters of the ball 2 and the ball groove 4 should be larger than the inner diameter of the tube valve seat 1, so as to ensure good sealing. A mounting shell 5 is installed on the top of the tube valve seat 1. The drive assembly 3 is located above the tube valve seat 1 and is arranged in the mounting shell 5. The drive assembly 3 includes a hydraulic cylinder 301, a brake rack 302, a driven gear 303 and a rotating rod 304. The hydraulic cylinder 301 is fixedly installed outside the mounting shell 5 On the other hand, the brake rack 302 is arranged in the mounting shell 5 and is installed at the output end of the hydraulic cylinder 301, the rotating rod 304 is arranged in the mounting shell 5 and the bottom is fixedly connected to the top of the sphere 2, the driven gear 303 is fixedly installed on the top of the rotating rod 304 and one side of the driven gear 303 is meshed with the brake rack 302, and the hydraulic cylinder 301 can control the horizontal movement of the brake rack 302. When the brake rack 302 moves, it can drive the driven gear 303 and the rotating rod 304 to rotate, so as to control the horizontal rotation of the sphere 2, and then control the flow or retention of the fluid.

[0033] In the specific implementation, such as Figure 2 , Figure 4 and Figure 5As shown, a fixed shell 6 is installed on one side of the mounting shell 5 above the tube body valve seat 1, and a secondary water-blocking and pressure-relief component 7 for double water blocking and reducing the loss of the ball 2 is arranged in the fixed shell 6. A liquid storage chamber 8 is opened inside the upper part of the fixed shell 6, and a moving component 12 for controlling the secondary water-blocking and pressure-relief component 7 is arranged on one side of the brake rack 302. The liquid storage chamber 8 is filled with hydraulic oil 9. The secondary water-blocking and pressure-relief component 7 includes a water-blocking plate 701 and a mounting spring 702. The tube body valve seat 1 and the fixed shell 6 are provided with a accommodating chamber 10 The water blocking plate 701 is installed on the inner wall of the accommodating chamber 10 by installing the spring 702. A connecting hole 11 is opened between the accommodating chamber 10 and the liquid storage chamber 8. When the driving component 3 is controlled by the hydraulic cylinder 301 to drive the ball 2 to rotate and close the valve body, the secondary water blocking and pressure relief component 7 can be controlled to move under the linkage action of the moving component 12. The secondary water blocking and pressure relief component 7 can achieve a double closing effect and greatly reduce the water pressure around the ball 2. Therefore, the loss of the ball 2 can be reduced and the service life can be increased.

[0034] In the specific implementation, such as Figure 2 and 6 As shown, the moving assembly 12 includes a connecting block 1201 and a sealing sheet 1202, a connecting channel is provided between the mounting shell 5 and the liquid storage chamber 8, the sealing sheet 1202 is clamped in the liquid storage chamber 8, the connecting block 1201 is installed between the sealing sheet 1202 and the brake rack 302, and the connecting block 1201 is clamped in the connecting channel, and when the hydraulic cylinder 301 controls the driving assembly 3 to move, the brake rack 302 can simultaneously push the connecting block 1201 and the sealing sheet 1202 to move, and when the sealing sheet 1202 moves, it can squeeze the hydraulic oil 9 in the liquid storage chamber 8 to move, and under the action of the hydraulic pressure, it can push the water blocking plate 701 to stretch the mounting spring 702 and move downward, and when the bottom of the water blocking plate 701 is completely in contact with the bottom of the inner wall of the accommodating chamber 10, the sphere 2 can be rotated to a closed state, so that the sphere 2 and the water blocking plate 701 can play a dual water blocking effect, and the amount of water around the sphere 2 is greatly reduced, and the water pressure is significantly reduced, thereby reducing the loss of the sphere 2.

[0035] In the specific implementation, such as Figure 2 and Figure 7As shown, a sampling groove 17 is provided at a position outside the accommodating cavity 10 below the inner part of the tube body valve seat 1, a drainage hole 18 is provided between the sampling groove 17 and the inner wall of the tube body valve seat 1, a plugging component 19 for controlling the discharge of the internal flow of the pipeline is provided in the sampling groove 17, a push rod for controlling the opening and closing of the plugging component 19 is installed below the water blocking plate 701, and the plugging component 19 includes a control sheet 1901 and a limit spring 1902, the control sheet 1901 is installed in the sampling groove 17 through the limit spring 1902 and the control sheet 190 The top of the pipe is attached to the bottom of the drain hole 18, a drain hole 20 is provided between the sampling groove 17 and the outer wall of the pipe body valve seat 1, a guide rod 21 is vertically installed on the inner wall of the sampling groove 17, a guide hole 22 is provided on the sealing sheet 1202, and the guide rod 21 is clamped in the guide hole 22. Under the linkage effect of the hydraulic cylinder 301, the driving component 3, the moving component 12 and the secondary water blocking and pressure relief component 7, the plugging component 19 can be opened by controlling the push rod below, and the fluid in part of the pipeline can be discharged before closing to achieve the sampling effect.

[0036] Further, such as Figure 4 As shown, the upper part of the push rod is in the shape of an inverted cone and the lower part of the push rod is in the shape of a straight rod with the same diameter as the bottom diameter of the upper part. The shape of the drainage hole 18 fits the shape of the upper part of the push rod. The diameter of the inverted cone is larger at the top and smaller at the bottom. Therefore, it can be ensured that the fluid is in a pressure balance state before the upper part of the push rod is completely fitted with the drainage hole 18 during the downward movement. When the lower part of the push rod is pushed to the control plate 1901, the fluid in the pipeline can be discharged from the drainage hole 18 of the push rod, thereby ensuring that the sampling volume is relatively sufficient.

[0037] Furthermore, a collecting shell 23 connected to the discharge hole 20 is installed below the tube body valve seat 1, and a collecting hopper 24 is arranged in the collecting shell 23, so that the fluid sample can be conveniently collected through the collecting shell 23 and the collecting hopper 24.

[0038] In this embodiment, during the closing operation of the above embodiment, during the downward movement of the water blocking plate 701, the push rod at the bottom of the water blocking plate 701 enters the drainage hole 18, and the push rod can push the control plate 1901 to squeeze the limit spring 1902 and move downward. At this time, the upper part of the push rod is located at the drainage hole 18 and is completely fitted, so part of the fluid in the pipeline can be discharged into the sampling groove 17 through the drainage hole 18 and discharged into the collection bucket 24 through the discharge hole 20. After the water blocking plate 701 moves into place, the push rod can block the drainage hole 18, and at the same time, the water blocking plate 701 can block the drainage hole 18 from above, thereby stopping sampling. This structure is suitable for pipelines that need to frequently detect fluids or pipelines with multiple sections of pipelines where material leakage is prone to occur locally.

[0039] The above are only preferred embodiments of the present invention, which are only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A one-piece thin-clamp high-platform flange ball valve based on hydraulic drive, characterized in that: The invention comprises a tube valve seat (1), a ball (2) with a drainage hole in the center, and a drive assembly (3); the inner wall of the tube valve seat (1) is provided with a ball groove (4); the bottom of the ball (2) is rotatably mounted in the ball groove (4); a mounting shell (5) is mounted on the top of the tube valve seat (1); the drive assembly (3) is located above the tube valve seat (1) and is arranged in the mounting shell (5); the drive assembly (3) comprises a hydraulic cylinder (301), a brake rack (302), and a driven gear ( The hydraulic cylinder (301) is fixedly mounted on the outside of the mounting shell (5), the brake rack (302) is arranged in the mounting shell (5) and the brake rack (302) is installed at the output end of the hydraulic cylinder (301), the rotating rod (304) is arranged in the mounting shell (5) and the bottom is fixedly connected to the top of the sphere (2), and the driven gear (303) is fixedly mounted on the top of the rotating rod (304) and one side of the driven gear (303) is meshed with the brake rack (302); A fixed shell (6) is installed on one side of the mounting shell (5) above the tube valve seat (1); a secondary water-blocking and pressure-relief component (7) for double water blocking and reducing the loss of the ball (2) is arranged in the fixed shell (6); a liquid storage chamber (8) is provided in the upper part of the fixed shell (6); a moving component (12) for controlling the secondary water-blocking and pressure-relief component (7) is provided on one side of the brake rack (302); the liquid storage chamber (8) is filled with hydraulic oil (9); the secondary water-blocking and pressure-relief component (7) comprises a water-blocking plate (701) and a mounting spring (702); an accommodating chamber (10) is provided in the tube valve seat (1) and the fixed shell (6); the water-blocking plate (701) is mounted on the upper side of the inner wall of the accommodating chamber (10) via the mounting spring (702); and a connecting hole (11) is provided between the accommodating chamber (10) and the liquid storage chamber (8).

2. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 1 is characterized in that: The moving assembly (12) comprises a connecting block (1201) and a sealing sheet (1202); a connecting channel is provided between the mounting shell (5) and the liquid storage chamber (8); the sealing sheet (1202) is clamped in the liquid storage chamber (8); the connecting block (1201) is mounted between the sealing sheet (1202) and the brake rack (302), and the connecting block (1201) is clamped in the connecting channel.

3. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 1, characterized in that: A flow-limiting rod (13) is installed above the water-blocking plate (701), the flow-limiting rod (13) being clamped in the communicating hole (11), and the length of the flow-limiting rod (13) arranged in the communicating hole (11) being greater than the distance between the bottom of the water-blocking plate (701) and the bottom of the accommodating chamber (10).

4. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 1, characterized in that: The bottom of the water blocking plate (701) is semicircular in shape, and the diameter of the bottom of the water blocking plate (701) is not less than the inner diameter of the tube body valve seat (1).

5. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 1, characterized in that: A limit ring (14) is installed on the inner wall of the tube valve seat (1), and the limit ring (14) is attached to one side of the spherical body (2).

6. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 1, characterized in that: Flanges (15) are fixedly mounted on both sides of the tube valve seat (1), and a plurality of mounting holes (16) are evenly arranged on the flanges (15).

7. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 2, characterized in that: A sampling groove (17) is provided in the interior of the tube body valve seat (1) at a position outside the accommodating cavity (10), a drainage hole (18) is provided between the sampling groove (17) and the inner wall of the tube body valve seat (1), a plugging component (19) for controlling the discharge of the internal flow of the pipeline is provided in the sampling groove (17), a push rod for controlling the opening and closing of the plugging component (19) is installed below the water blocking plate (701), and the plugging component (19) comprises a control plate (1901) and a limit spring (1901). 02), the control plate (1901) is installed in the sampling groove (17) through a limit spring (1902), and the top of the control plate (1901) is attached to the bottom of the drainage hole (18), a drainage hole (20) is provided between the sampling groove (17) and the outer wall of the tube body valve seat (1), a guide rod (21) is vertically installed on the inner wall of the sampling groove (17), a guide hole (22) is provided on the sealing plate (1202), and the guide rod (21) is clamped in the guide hole (22).

8. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 7, characterized in that: The upper part of the push rod is in the shape of an inverted truncated cone and the lower part of the push rod is in the shape of a straight rod with a diameter the same as the bottom diameter of the upper part, and the shape of the drainage hole (18) fits the shape of the upper part of the push rod.

9. The one-piece thin-clip high-platform flange ball valve based on hydraulic drive according to claim 7, characterized in that: A collecting shell (23) connected to the discharge hole (20) is installed below the tube body valve seat (1), and a collecting hopper (24) is arranged inside the collecting shell (23).

10. A one-piece thin-clamp high-platform flange ball valve based on hydraulic drive and a driving method thereof, characterized in that: The driving method is applied to the flange (15) ball valve according to any one of claims 2 or 7, and the hydraulic driving method is used to control the rotation of the ball (2), control the use of the secondary water-blocking and pressure-relief component (7), and control the opening and closing of the plugging component (19). The hydraulic driving method is that the hydraulic cylinder (301) drives the ball (2) to rotate by controlling other structures of the driving component (3), and at the same time, the driving component (3) can control the movement of the moving component (12) and the movement of the hydraulic oil (9) to control the secondary water-blocking and pressure-relief component (7) to move downward. The water-blocking and pressure-relief component can reduce the influence of water pressure on the ball (2) when the ball (2) is in a closed state. When the secondary water-blocking and pressure-relief component (7) moves downward, the plugging component (19) can be controlled to open by the push rod below, and part of the fluid in the pipeline can be discharged before closing to achieve a sampling effect.

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