Deepwater pressure experiment equipment and pressure-resistant cabin

Abstract

The utility model belongs to the technical field of deepwater pressure tests, particularly relates to deepwater pressure experiment equipment and a pressure-resistant cabin, and aims to solve the problems that the follow-up cover closing efficiency is influenced due to the fact that the efficiency of loading and unloading workpieces is not high enough, a hoop and a sliding block are easy to loosen and deform, the following scheme is provided: the deepwater pressure experiment equipment comprises a trolley, a push rod is arranged on one side of the trolley, and the push rod is arranged on the other side of the trolley; the device is characterized in that a clamp opening and closing device and an upper flat cover translation device are installed on the trolley, the clamp opening and closing device and the upper flat cover translation device are arranged in a mutual avoidance mode, the clamp opening and closing device comprises first sliding rails installed on the two sides of the pressure-resistant cabin, and a first sliding block and a second sliding block are installed on the first sliding rails in a sliding mode; a first clamping hoop and a second clamping hoop are placed on the first sliding block and the second sliding block, the upper flat cover translation device comprises a second sliding rail installed on the trolley, the upper flat cover can be conveniently opened and closed, and the test efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of deep-water pressure testing technology, and in particular to a deep-water pressure testing device and a pressure-resistant chamber. Background Technology

[0002] Deep-sea pressure testing equipment is a testing device specifically designed to simulate the water pressure of the deep-sea environment. It can simulate the high-pressure environment in the deep sea to test the pressure resistance and stability of various underwater equipment, optical cables, seabed robots and other products in the deep-sea environment.

[0003] Deep-sea pressure testing equipment uses compressors, pumps, various sensors, and control systems to inject water into the testing device, subjecting it to water pressure equivalent to that of the deep sea. Simultaneously, the equipment monitors for internal leaks to assess its sealing performance. Some high-end devices can also be programmed to simulate testing environments under motion conditions, more realistically reflecting the product's performance in actual use.

[0004] The opening operation of the existing test equipment is not convenient enough. It requires unscrewing the bolts of the two semi-circular clamps first, then moving the slider away from the pressure chamber before removing the cover. The efficiency of loading and unloading workpieces is not high. Moreover, the clamps are directly fixed to the slider with bolts. After long-term use, the clamps and slider are prone to loosening and deformation, which affects the efficiency of subsequent closing. Utility Model Content

[0005] This invention provides a deep-water pressure testing device and a pressure chamber, which solves the shortcomings of the prior art, such as insufficient efficiency in loading and unloading workpieces, easy loosening and deformation of clamps and sliders, and affecting the efficiency of subsequent cover closing.

[0006] This utility model provides the following technical solution:

[0007] On one hand, this application provides a deep-water pressure testing device, including a trolley. A push rod is installed on one side of the trolley, which can be moved to the vicinity of the pressure chamber or a designated location by operating the push rod. The trolley is equipped with a clamp opening and closing device and an upper flat cover translation device, which are arranged to avoid each other. The clamp opening and closing device includes a first slide rail installed on both sides of the pressure chamber. A first slider and a second slider are slidably installed on the first slide rail. A first clamp and a second clamp are placed on the first slider and the second slider. After the upper flat cover is sealed with the pressure chamber, the first slider and the second slider are moved towards the pressure chamber by external force such as a motor, cylinder, or manual operation. As the sliders move, the first clamp and the second clamp are brought to the vicinity of the pressure chamber and form a ring clamp. The upper flat cover translation device includes a second slide rail installed on the trolley. A third slider is slidably mounted on the second slide rail. A lifting mechanism is mounted on the third slider. An upper flat cover is fixed to the output shaft of the lifting mechanism. The third slider is driven by external force to move directly above the pressure chamber, and then the output shaft of the lifting mechanism is driven to descend. The upper flat cover and the lower pressure chamber are sealed together. Through the combination of translation and lifting, the upper flat cover is precisely aligned and sealed, ensuring the airtightness of the pressure chamber during the experiment. Then, the first slider and the second slider are driven to move towards the pressure chamber. The first clamp and the second clamp form a ring clamp. The first clamp and the second clamp are fixedly connected end to end by a locking structure. The pressure chamber is sealed to the upper flat cover. The first clamp and the second clamp form a locking structure. Through the locking structure, it is ensured that the clamp will not loosen or fall off during the experiment, thereby ensuring the safety and accuracy of the experiment.

[0008] In one possible implementation, the clamp opening and closing device is installed along the length or width of the trolley, while the upper flat cover translation device is installed along the width or length of the trolley to avoid the clamp opening and closing device, and is located above the clamp opening and closing device. When a deep-water pressure test is required, the first slider and the second slider slide on the first slide rail, moving the first and second clamps towards the pressure chamber. During the movement, it is ensured that the clamps can accurately fit onto the pressure chamber, facilitating subsequent locking operations. Simultaneously or after the clamp opening and closing device operates, the third slider slides on the second slide rail, moving the lifting mechanism and the upper flat cover upwards towards the pressure chamber. When the upper flat cover moves directly above the pressure chamber, the output shaft of the lifting mechanism descends, sealing the upper flat cover with the pressure chamber.

[0009] In one possible implementation, the clamp opening and closing device has a placement space in the middle for placing the pressure chamber, and the first and second sliders are provided with clearance grooves to allow the pressure chamber to move. When the pressure chamber is fixed in the placement space, the clearance grooves on the first and second sliders allow them to slide without interfering with the pressure chamber. As the sliders move, the first and second clamps gradually come into contact with the outer wall of the pressure chamber from both sides. By providing the placement space, the first and second sliders can move closer to or further away from the pressure chamber, ultimately bringing the first and second clamps to the perimeter of the pressure chamber and forming a ring-shaped clamp.

[0010] In one possible implementation, vertically mounted abutments are provided on the outer sides of the first and second sliders. Handles are installed on both sides of the abutments. During the experiment, when it is necessary to move the first and second sliders, the experimenter can push the abutments by holding the handles, thereby moving the sliders. The vertically mounted abutments can also effectively prevent the clamps placed on the sliders from shifting or tilting. The first and second sliders are equipped with columns for receiving the first and second clamps. The lower side of the first and second clamps is provided with a groove adapted to the column, and the column extends into the groove.

[0011] In one possible implementation, the lifting mechanism is an electric lift. The transmission system inside the electric lift is driven by electricity to move the output shaft up and down, so that the upper flat cover can rise or fall smoothly to a designated position. An mounting plate is installed at the lower end of the output shaft of the electric lift. Connecting rods are fixed at both ends of the mounting plate. The upper flat cover is fixed at the lower end of the connecting rods. When the output shaft of the electric lift moves up and down, the mounting plate moves accordingly and drives the upper flat cover to rise or fall through the connecting rods.

[0012] In one possible implementation, the main body of the trolley, clamp opening and closing device, and flat cover translation device is welded from structural steel profiles and steel plates, and the main body of the trolley, clamp opening and closing device, and flat cover translation device is coated with an anti-rust layer.

[0013] On the other hand, this application provides a pressure chamber, including a lower flat cover, a cylindrical body, an upper flat cover, a first clamp, and a second clamp. The lower flat cover serves as the bottom of the pressure chamber and is fixedly connected to the cylindrical body to form a stable foundation. The cylindrical body is the main part of the pressure chamber and, together with the lower and upper flat covers, forms a sealed cavity. The upper flat cover closes onto the top of the cylindrical body, forming a sealed cavity together with the lower flat cover and the cylindrical body to ensure the airtightness of the pressure chamber. The first and second clamps are used to seal and lock the upper flat cover to the upper end of the cylindrical body, ensuring the sealing of the pressure chamber under high pressure. To ensure safety and stability, the lower flat cover has a drain outlet at its lower end, and a drain valve is installed on the drain outlet. The lower flat cover is fixedly connected to the cylinder body. The upper flat cover closes on top of the cylinder body to form a sealed cavity. A water inlet is installed on the cylinder body. An exhaust outlet is opened on the upper flat cover, and an exhaust valve is installed on the exhaust outlet. The upper end of the cylinder body is sealed and locked together by a first clamp and a second clamp. Through the tight cooperation of the lower flat cover, the cylinder body, the upper flat cover, and the first and second clamps, the airtightness of the pressure chamber under high pressure is ensured.

[0014] In one possible implementation, the upper end of the cylinder is formed with an outwardly folded first extension edge, and the edge of the upper flat cover is provided with a second extension edge that matches the first extension edge. The cooperation between the second extension edge and the first extension edge ensures the sealing between the upper flat cover and the cylinder, preventing high-pressure medium from leaking from the gap between them. At the same time, it also forms an extension portion protruding from the cylinder for the first clamp and the second clamp to lock and fix. The first clamp and the second clamp are provided with annular grooves that match the second extension edge that matches the first extension edge. The design of the annular grooves allows the first clamp and the second clamp to tightly wrap around the outer periphery of the cylinder and the upper flat cover. The first clamp and the second clamp are assembled to form a complete annular limiting groove. The first clamp and the second clamp are fixedly connected by locking components, and are assembled and fixed.

[0015] In one possible implementation, both the first and second clamps are semi-circular annular channel steel. The semi-circular shape allows them to fit tightly against the outer periphery of the cylinder and the upper flat cover, forming an effective seal and limiting position. Limiting holes are provided at both ends of the first and second clamps, and limiting components are inserted into the limiting holes. Through the tight fit of the first and second clamps, and the fixation of the limiting holes and limiting components, the sealing performance of the pressure chamber under high pressure is ensured, preventing leakage of the medium. The connection is achieved through screws and locking bolts.

[0016] The limiting hole is vertically oriented, and the limiting component is an n-shaped steel insert. After the first clamp and the second clamp are closed, the distance between adjacent limiting holes is adapted to the distance between the two insert rods of the n-shaped steel insert.

[0017] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit the present invention.

[0018] In this invention, when a deep-water pressure test is required, the first and second sliders slide on the first slide rail, driving the first and second clamps towards the pressure chamber. During the movement, the clamps are ensured to accurately fit onto the pressure chamber, facilitating subsequent locking operations. Simultaneously or after the clamp opening / closing device operates, the third slider slides on the second slide rail, driving the lifting mechanism and flat cover upwards towards the pressure chamber. When the flat cover moves directly above the pressure chamber, the output shaft of the lifting mechanism descends, sealing the flat cover with the pressure chamber. By coordinating and avoiding the clamp opening / closing device's installation, the flat cover translation device ensures no interference with the clamps during opening and closing. Furthermore, the design above the clamp opening / closing device allows the flat cover to easily move above the pressure chamber for sealing, improving experimental efficiency and safety.

[0019] In this invention, when the pressure chamber is fixed in the placement space, the clearance grooves on the first and second sliders allow them to slide without interfering with the pressure chamber. As the sliders move, the first and second clamps gradually come into contact with the outer wall of the pressure chamber from both sides. By providing the placement space, the first and second sliders can move closer to or further away from the pressure chamber. By providing the clearance grooves, the first and second sliders can fit more closely to the pressure chamber wall. Ultimately, the first and second clamps are brought to the periphery of the pressure chamber and form a ring clamp, creating a stable locking structure to lock and fix the flat cover to the pressure chamber.

[0020] The tight fit of the lower flat cover, cylinder, upper flat cover, and the first and second clamps ensures the airtightness of the pressure chamber under high pressure, preventing media leakage and the influence of the external environment on the experiment. The design of the drain port, water inlet, exhaust port, and corresponding valves allows for convenient drainage, water injection, and exhaust operations during the experiment, ensuring the safe conduct of the experiment.

[0021] By combining and fixing, the first and second clamps form a complete ring structure, which enhances the sealing performance of the pressure chamber and improves its ability to withstand high pressure.

[0022] The tight fit between the first and second clamps, along with the fixing of the screw and locking bolt, ensures the airtightness of the pressure chamber under high pressure, preventing media leakage. The connection method of the screw and locking bolt makes the installation and removal of the first and second clamps more convenient and quick, reducing maintenance costs. Attached Figure Description

[0023] Figure 1 A three-dimensional structural schematic diagram of a deep-water pressure testing device provided in an embodiment of this utility model;

[0024] Figure 2 A three-dimensional structural diagram of a deep-water pressure testing device after removing the pressure chamber, provided in an embodiment of this utility model;

[0025] Figure 3 One of the enlarged schematic diagrams of a deep-water pressure testing device provided in this embodiment of the present invention;

[0026] Figure 4 A second partially enlarged schematic diagram of a deep-water pressure testing device provided in an embodiment of this utility model;

[0027] Figure 5 A schematic diagram of a clamp structure for a pressure-resistant chamber provided in an embodiment of this utility model;

[0028] Figure 6 This is a cross-sectional structural diagram of a pressure tank provided for an embodiment of the utility model.

[0029] Figure label:

[0030] 1. Trolley; 2. Push rod; 3. Second slide rail; 4. Third slider; 5. Lifting mechanism; 6. Lifting control box; 7. Mounting plate; 8. Connecting rod; 9. Upper flat cover; 10. First slider; 11. First clamp; 12. Second clamp; 13. Second slider; 14. Abutment block; 15. Handle; 16. Clearance groove; 17. Column; 18. First slide rail; 19. Settlement groove; 20. Limiting hole; 21. Drain outlet; 22. Lower flat cover; 23. Cylinder body; 24. Exhaust valve. Detailed Implementation

[0031] The embodiments of the present invention will now be described with reference to the accompanying drawings.

[0032] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of this utility model, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0033] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0034] In this embodiment of the utility model, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0035] Example, refer to Figures 1-6 In this application, the test equipment is a vertical structure with a pressure chamber inner cavity diameter of Ф300mm, an effective inner cavity height of 300mm, a design pressure of 75MPa, a pressure transmission medium of tap water, and an operating temperature of room temperature, 5-45℃.

[0036] A deep-water pressure testing device includes a trolley 1 with a push rod 2 installed on one side. By operating the push rod 2, the trolley 1 can be moved to the vicinity of the pressure chamber or a designated location, ensuring that the device can be moved flexibly, facilitating experiments in different locations and improving the convenience and flexibility of the experiment.

[0037] The trolley 1 is equipped with a clamp opening and closing device and an upper flat cover translation device. The clamp opening and closing device and the upper flat cover translation device are arranged to avoid each other. The upper flat cover translation device can be used to open and close the upper flat cover 9, and the clamp opening and closing device can be used to assemble or open the clamp, thereby locking and unlocking the upper flat cover 9.

[0038] The upper flat cover translation device includes a second slide rail 3 installed on the trolley 1, a third slider 4 slidably installed on the second slide rail 3, a lifting mechanism 5 and a lifting control box 6 for controlling the lifting mechanism 5 are installed on the third slider 4, and an upper flat cover 9 is fixed on the output shaft of the lifting mechanism 5. The third slider 4 is driven by external force to move to the top of the pressure chamber, and then the output shaft of the lifting mechanism 5 is driven to descend, and the upper flat cover 9 seals with the lower pressure chamber. Through the combination of translation and lifting, the upper flat cover 9 is precisely aligned and sealed, ensuring the airtightness of the pressure chamber during the experiment.

[0039] The clamp opening and closing device includes a first slide rail 18 installed on both sides of the pressure chamber. A first slider 10 and a second slider 13 are slidably installed on the first slide rail 18. A first clamp 11 and a second clamp 12 are placed on the first slider 10 and the second slider 13. After the upper flat cover 9 is sealed and closed with the pressure chamber, the first slider 10 and the second slider 13 are driven to move towards the pressure chamber by external force such as a motor, cylinder, or manual operation. As the sliders move, the first clamp 11 and the second clamp 12 are brought to the periphery of the pressure chamber and form a ring clamp. Through the cooperation of the slide rail and the slider, the clamp can be accurately moved and positioned to ensure that the clamp can fit tightly against the pressure chamber, providing a basis for subsequent locking.

[0040] Then, the first slider 10 and the second slider 13 are driven to move towards the pressure chamber. The first clamp 11 and the second clamp 12 form a ring clamp. The first clamp 11 and the second clamp 12 are fixedly connected end to end by a locking structure. The pressure chamber is sealed to the upper flat cover 9. The first clamp 11 and the second clamp 12 form a locking structure. Through the locking of the locking structure, it is ensured that the clamp will not loosen or fall off during the experiment, thereby ensuring the safety and accuracy of the experiment.

[0041] First, install the test components into the pressure chamber cylinder 23. Manually open the vent valve and use the upper flat cover translation device to move the upper flat cover 9 to the center of the cylinder 23. After alignment, operate the electric lifting device to install the upper flat cover 9. Push the clamp opening and closing device to close the clamp and lock the upper and lower latches to fix the clamp. Start the booster pump to start filling with water. Fill the chamber with water and purge the air from the chamber. Turn off the booster pump and manually close the vent valve. Set the test pressure value. Start the booster pump again. The chamber will automatically fill with water and pressurize. After the pressure in the chamber reaches the set pressure value, the booster pump will automatically stop, and the pressure chamber will enter the automatic pressure holding mode. After the pressure holding time is up, turn off the booster pump and depressurize through the booster pump depressurization valve. After the pressure is reduced to "0", manually open the vent valve, loosen the clamp latches, pull the clamp opening and closing device from left and right, operate the electric lifting device to lift out the upper flat cover 9, take out the test components, open the lower drain valve, and drain the water in the pressure chamber (if the water is clean, drainage is not necessary). The test is over.

[0042] The clamp opening and closing device is installed along the length or width of the trolley 1, while the upper flat cover translation device is installed along the width or length of the trolley 1 to avoid the clamp opening and closing device, and is located above the clamp opening and closing device. When a deep-water pressure test is required, the first slider 10 and the second slider 13 slide on the first slide rail 18, driving the first clamp 11 and the second clamp 12 to move towards the pressure chamber. During the movement, it ensures that the clamps can accurately fit onto the pressure chamber, facilitating subsequent locking operations. Simultaneously or after the clamp opening and closing device operates, the third slider 4 slides on the second slide rail 3, driving the lifting mechanism 5 and the upper flat cover 9 to move upwards towards the pressure chamber. When the upper flat cover 9 moves directly above the pressure chamber, the output shaft of the lifting mechanism 5 descends, sealing the upper flat cover 9 with the pressure chamber. By coordinating with the clamp opening and closing device, the upper flat cover translation device ensures that it will not interfere with the clamp during the opening and closing process. Meanwhile, the design located above the clamp opening and closing device allows the upper flat cover 9 to be easily moved above the pressure chamber and sealed, improving the efficiency and safety of the experiment.

[0043] The clamp opening and closing device has a space in the middle for placing the pressure chamber, and the first slider 10 and the second slider 13 are provided with clearance grooves 16 for accommodating the pressure chamber. When the pressure chamber is fixed in the placement space, the clearance grooves 16 on the first slider 10 and the second slider 13 allow them to slide without interfering with the pressure chamber. As the sliders move, the first clamp 11 and the second clamp 12 gradually come into contact with the outer wall of the pressure chamber from both sides. By setting the placement space, the first slider 10 and the second slider 13 can move closer to or away from the pressure chamber. By setting the clearance grooves 16, the first slider 10 and the second slider 13 can fit more closely to the pressure chamber wall. Finally, the first clamp 11 and the second clamp 12 are brought to the periphery of the pressure chamber and form a ring clamp, forming a stable locking structure to complete the locking and fixing of the upper flat cover 9 to the pressure chamber.

[0044] Vertically mounted abutments 14 are provided on the outer sides of the first slider 10 and the second slider 13. Handles 15 are installed on both sides of the abutments 14. During the experiment, when it is necessary to move the first slider 10 and the second slider 13, the experimenter can push the abutments 14 by holding the handles 15, thereby moving the sliders. The vertically mounted abutments 14 can also effectively prevent the clamps placed on the sliders from shifting or tilting. The first slider 10 and the second slider 13 are equipped with columns 17 for supporting the first clamps 11 and the second clamps 12. The lower side of the first clamps 11 and the second clamps 12 has a groove 19 adapted to the column 17. The column 17 extends into the groove 19. The design of the column 17 improves the stability and safety of the clamps on the sliders, ensuring that the clamps can accurately fit onto the pressure chamber. At the same time, it also reduces the friction and wear between the clamps and the sliders, extending the service life of the equipment.

[0045] The lifting mechanism 5 is an electric lift. The internal transmission system of the electric lift is driven by electricity to move the output shaft up and down, so that the upper flat cover 9 can rise or fall smoothly to the designated position. The lower end of the output shaft of the electric lift is equipped with a mounting plate 7. The two ends of the mounting plate 7 are fixed with connecting rods 8. The lower end of the connecting rods 8 is fixed with the upper flat cover 9. When the output shaft of the electric lift moves up and down, the mounting plate 7 moves accordingly, and drives the upper flat cover 9 to rise or fall through the connecting rods 8. The design of the mounting plate 7 and the connecting rods 8 ensures the stability and balance of the upper flat cover 9 during the lifting process. The accurate lifting of the flat cover ensures a tight fit and sealing effect with the pressure chamber.

[0046] The main body of the trolley 1, clamp opening and closing device, and flat cover translation device is welded from structural steel profiles and steel plates. The structural steel profiles and steel plates have high strength, high rigidity, and good weldability, and can withstand large loads and stresses, ensuring the stability and safety of the equipment. The main body of the trolley 1, clamp opening and closing device, and flat cover translation device is coated with an anti-rust layer, which can effectively prevent the main body of the equipment from being affected by corrosion and rust.

[0047] A pressure chamber includes a lower flat cover 22, a cylindrical body 23, an upper flat cover 9, a first clamp 11, and a second clamp 12. The lower flat cover 22 serves as the bottom of the pressure chamber and is fixedly connected to the cylindrical body 23, forming a stable foundation. The cylindrical body 23 is the main part of the pressure chamber, forming a sealed cavity together with the lower flat cover 22 and the upper flat cover 9. The upper flat cover 9 covers the top of the cylindrical body 23, forming a sealed cavity together with the lower flat cover 22 and the cylindrical body 23 to ensure the airtightness of the pressure chamber. The first clamp 11 and the second clamp 12 are used to seal and lock the upper flat cover 9 to the upper end of the cylindrical body 23, ensuring the airtightness and stability of the pressure chamber under high pressure. A drain outlet 21 is provided at the lower end of the lower flat cover 22, and a drain valve is installed on the drain outlet 21. 2 is fixedly connected to the cylinder 23. The upper flat cover 9 covers the cylinder 23 to form a sealed cavity. A water inlet is installed on the cylinder 23, and an exhaust port is opened on the upper flat cover 9. An exhaust valve 24 is installed on the exhaust port. The upper end of the cylinder 23 is sealed and locked by the first clamp 11 and the second clamp 12. Through the tight cooperation of the lower flat cover 22, the cylinder 23, the upper flat cover 9, and the first clamp 11 and the second clamp 12, the sealing performance of the pressure chamber under high pressure is ensured, preventing media leakage and the influence of the external environment on the experiment. The design of the drain port 21, the water inlet, the exhaust port, and the corresponding valves makes it easy to drain, fill, and exhaust the pressure chamber during the experiment, ensuring the safe conduct of the experiment.

[0048] The upper end of the cylinder 23 is formed with an outwardly folded first edge, and the edge of the upper flat cover 9 is provided with a second edge that matches the first edge. The cooperation between the second edge and the first edge ensures the sealing between the upper flat cover 9 and the cylinder 23, preventing high-pressure medium from leaking from the gap between them. At the same time, it also forms an extension protruding from the cylinder 23 for the first clamp 11 and the second clamp 12 to lock and fix it. The first clamp 11 and the second clamp 12 are provided with annular grooves that match the second edge that matches the first edge. The design of the annular grooves makes it possible for... The first clamp 11 and the second clamp 12 can tightly wrap around the outer periphery of the cylinder 23 and the upper flat cover 9, forming an effective sealing and limiting function, enhancing the sealing performance and structural stability of the pressure chamber. The first clamp 11 and the second clamp 12 are assembled into a complete annular limiting groove. The first clamp 11 and the second clamp 12 are fixedly connected by locking parts. Through assembly and fixation, the first clamp 11 and the second clamp 12 form a complete annular structure, enhancing the sealing performance of the pressure chamber and improving its ability to withstand high pressure.

[0049] Both the first clamp 11 and the second clamp 12 are semi-circular annular channel steel. The semi-circular shape allows them to fit tightly against the outer periphery of the cylinder 23 and the upper flat cover 9, forming an effective seal and limiting position. Limiting holes 20 are opened at both ends of the first clamp 11 and the second clamp 12, and limiting components are inserted into the limiting holes 20. Through the tight fit of the first clamp 11 and the second clamp 12, and the fixation of the limiting holes 20 and the limiting components, the sealing performance of the pressure chamber under high pressure is ensured, preventing the leakage of the medium. The connection method of screws and locking bolts makes the installation and removal of the first clamp 11 and the second clamp 12 more convenient and quick, reducing maintenance costs.

[0050] The limiting hole 20 is opened vertically, and the limiting component is an n-shaped steel plug. After the first clamp 11 and the second clamp 12 are closed, the distance between adjacent limiting holes 20 is adapted to the distance between the two plug rods of the n-shaped steel plug.

[0051] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. In the absence of conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A deep-water pressure testing device, comprising a trolley, wherein a push rod is mounted on one side of the trolley, characterized in that, The trolley is equipped with a clamp opening and closing device and an upper flat cover translation device, which are arranged to avoid each other. The clamp opening and closing device includes a first slide rail installed on both sides of the pressure chamber, on which a first slider and a second slider are slidably mounted. The first and second sliders are fitted with the first and second clamps, respectively. The upper flat cover translation device includes a second slide rail installed on the trolley, on which a third slider is slidably mounted. A lifting mechanism is installed on the third slider, and the upper flat cover is fixed to the output shaft of the lifting mechanism. The third slider is moved to directly above the pressure chamber by external force, and then the output shaft of the lifting mechanism is driven... As the shaft descends, the upper flat cover seals with the lower pressure chamber, and then the first and second sliders are driven to move towards the pressure chamber. The first and second clamps form an annular clamp, and their ends are fixedly connected by a locking structure. The pressure chamber is sealed to the upper flat cover, and the first and second clamps form a locking structure. Vertically installed abutments are provided on the outer side of the first and second sliders, and handles are installed on both sides of the abutments. Columns for receiving the first and second clamps are installed on the first and second sliders. A recessed groove adapted to the column is opened on the lower side of the first and second clamps, and the column extends into the recessed groove.

2. The deep-water pressure testing equipment according to claim 1, characterized in that, The clamp opening and closing device is installed along the length or width of the trolley, while the upper flat cover translation device is installed along the width or length of the trolley to avoid the clamp opening and closing device, and the upper flat cover translation device is located above the clamp opening and closing device.

3. The deep-water pressure testing equipment according to claim 1, characterized in that, The clamp opening and closing device has a space in the middle for placing the pressure chamber, and the first slider and the second slider are provided with clearance grooves to allow the pressure chamber to move.

4. The deep-water pressure testing equipment according to claim 1, characterized in that, The lifting mechanism is an electric lift. The lower end of the output shaft of the electric lift is equipped with a mounting plate. Connecting rods are fixed at both ends of the mounting plate, and an upper flat cover is fixed at the lower end of the connecting rods.

5. The deep-water pressure testing equipment according to claim 1, characterized in that, The main body of the trolley, clamp opening and closing device and upper flat cover translation device is welded from structural steel profiles and steel plates, and the main body of the trolley, clamp opening and closing device and upper flat cover translation device is coated with an anti-rust layer.

6. A pressure chamber, applied to the deep-water pressure testing equipment according to any one of claims 1-5, characterized in that, The device includes a lower flat cover, a cylindrical body, an upper flat cover, a first clamp, and a second clamp. The lower flat cover has a drain outlet at its lower end, and a drain valve is installed on the drain outlet. The lower flat cover is fixedly connected to the cylindrical body. The upper flat cover covers the top of the cylindrical body to form a sealed cavity. A water inlet is installed on the cylindrical body. An exhaust outlet is opened on the upper flat cover, and an exhaust valve is installed on the exhaust outlet. The upper end of the cylindrical body is sealed and locked together by the first clamp and the second clamp.

7. A pressure-resistant chamber according to claim 6, characterized in that, The upper end of the cylinder is formed with an outwardly folded first extension edge, and the edge of the upper flat cover is provided with a second extension edge that matches the first extension edge. The first clamp and the second clamp are provided with annular grooves that match the second extension edge that matches the first extension edge. The first clamp and the second clamp are assembled into a complete annular limiting groove. The first clamp and the second clamp are fixedly connected by a locking member.

8. A pressure-resistant chamber according to claim 6, characterized in that, Both the first clamp and the second clamp are semi-circular annular channel steel, and limit holes are opened at both ends of the first clamp and the second clamp, and limit components are inserted into the limit holes.

9. A pressure-resistant chamber according to claim 8, characterized in that, The limiting hole is vertically oriented, and the limiting component is an n-shaped steel insert. After the first clamp and the second clamp are closed, the distance between adjacent limiting holes is adapted to the distance between the two insert rods of the n-shaped steel insert.

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