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CN-122016165-A - Underwater pressure comprehensive test device for submersible

CN122016165ACN 122016165 ACN122016165 ACN 122016165ACN-122016165-A

Abstract

The invention relates to the technical field of external pressure container sealing and discloses an underwater pressure comprehensive test device for a submersible, which comprises a test cabin and a cover body fixedly installed with the test cabin, wherein an upper sealing piece and a lower sealing piece are sequentially and fixedly installed inside the cover body from top to bottom, a sealing protection assembly is arranged inside the cover body, a positioning assembly is arranged inside the test cabin, the sealing protection assembly comprises a contact rod vertically and slidingly installed inside the cover body, one end of the contact rod is fixedly connected with an arc pressing block, and the arc pressing blocks can be simultaneously driven to move by utilizing the cooperation of components such as an inclined plate, the contact rod and the like when compressed gas enters, so that the sealing of an O-shaped ring and a locking nut is matched, the condition of loose sealing is reduced, the good sealing between the upper sealing piece and the lower sealing piece and the cover body is maintained, the sealing between the test cabin and the cover body is also maintained, the sealing leakage is reduced, and the accuracy of a subsequent pressure test is improved.

Inventors

  • XUE HAONAN
  • LI JINPING
  • MENG LILI
  • JIANG XU
  • ZHANG XU
  • LENG XIAOWEI
  • HE HAIYAN
  • GUAN NINGNING
  • ZHAO SHUANG

Assignees

  • 辽宁美托科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260416

Claims (9)

  1. 1. The underwater pressure comprehensive test device for the diving comprises a test cabin (1) and a cover body (2) fixedly installed with the test cabin (1), wherein a pressure sensor (3) is fixedly installed on one side of the top of the test cabin (1); Characterized by further comprising: An upper sealing element (4) and a lower sealing element (5) are sequentially and fixedly arranged in the cover body (2) from top to bottom; The inner side of the cover body (2) is provided with a sealing protection assembly (8), and the inside of the test cabin (1) is provided with a positioning assembly (9); the sealing protection assembly (8) comprises a contact rod (812) vertically and slidably mounted inside the cover body (2), one end of the contact rod (812) is fixedly connected with an arc pressing block (813), the arc pressing blocks (813) are four in number, two of the arc pressing blocks (813) are located on the upper portion and the lower portion of the outer side of the upper sealing piece (4), and the remaining two arc pressing blocks (813) are located on the upper portion and the lower portion of the outer side of the lower sealing piece (5).
  2. 2. The underwater pressure comprehensive test device for the diving equipment is characterized in that an air adding pipe (6) is fixedly arranged in the upper sealing piece (4), an exhaust pipe (7) is fixedly arranged in the lower sealing piece (5), a fixing plate (81) is fixedly connected to one side, close to the test cabin (1), of the cover body (2), a communicating pipe (10) is fixedly arranged above the fixing plate (81), an installation box (82) is fixedly connected to the upper portion of the inner side wall of the cover body (2), a sliding rod (83) is fixedly connected to the upper portion, close to the cover body (2), of the installation box (82), a first spring (84) is sleeved on the outer side of the sliding rod (83), the first spring (84) is located outside the installation box (82), a sealing ring (819) is transversely and slidably arranged in the test cabin (1), and an outer ring (820) is fixedly connected to one side, far from the cover body (2), of the sealing ring (819).
  3. 3. The underwater pressure comprehensive test device for the diving equipment, as set forth in claim 2, characterized in that one end of the sliding rod (83) is fixedly connected with an inclined plate (85), the inclined plate (85) is attached to the inner wall of the installation box (82), the inclined plate (85) is slidably connected with the installation box (82), one side of the inclined plate (85) far away from the sliding rod (83) is fixedly connected with a plugging rod (86), the plugging rod (86) is connected with the communicating pipe (10) in a clamping manner, one lower part of one side of the inclined plate (85) close to the cover body (2) is fixedly connected with a second spring (87), and the second spring (87) is fixedly connected with the inner wall of the installation box (82).
  4. 4. The underwater pressure comprehensive test device for the submersible vehicle according to claim 3, wherein an adjusting screw (88) is connected to the lower portion of one side of the installation box (82) close to the test cabin (1) in a threaded mode, the adjusting screw (88) is in butt joint with an inclined plate (85), a push rod (89) is fixedly connected to the upper portion of one side of the inclined plate (85) close to the cover body (2), four transverse sliding grooves (810) are formed in one side of the cover body (2) close to the test cabin from top to bottom, and the push rod (89) is in sliding connection with the sliding grooves (810).
  5. 5. The underwater pressure comprehensive test device for the submersible vehicle according to claim 4, wherein four vertical grooves (811) are vertically formed in the cover body (2), each vertical groove (811) is vertically communicated with a single sliding groove (810), the contact rod (812) is slidably connected with the vertical groove (811), an inclined surface is formed in one end, close to the sliding groove (810), of the contact rod (812), a third spring (814) is sleeved on the outer side of the contact rod (812), one end of the third spring (814) is fixedly connected with the inner wall of the vertical groove (811), the other end of the third spring (814) is fixedly connected with the arc-shaped pressing block (813), and an annular piece (815) is fixedly connected to the outer side of the push rod (89).
  6. 6. The underwater pressure comprehensive test device for the submersible vehicle according to claim 5, wherein the other push rod (89) is fixedly connected to the bottom of the annular member (815), an inner disc (816) is fixedly connected to the middle part of the inner side of the annular member (815), two auxiliary rods (817) are fixedly connected to one side of the inner disc (816) close to the cover body (2), the two auxiliary rods (817) are respectively and slidably connected with the two sliding grooves (810) in the middle, a connecting rod (818) is fixedly connected to the upper part of one side of the inclined plate (85) close to the test cabin (1), the connecting rod (818) is slidably connected with the fixed plate (81), and the connecting rod (818) is fixedly connected with the sealing ring (819).
  7. 7. The underwater pressure comprehensive test device for the diver according to claim 2, wherein the positioning assembly (9) comprises a fixed disc (91) fixedly connected inside the test cabin (1), two double-headed screw rods (92) are rotatably connected to the upper portion between the fixed disc (91) and the fixed plate (81), two lower rods (93) are fixedly connected to the lower portion between the fixed disc (91) and the fixed plate (81), and two fixed frames (94) are connected to the outer side threads of the double-headed screw rods (92).
  8. 8. The underwater pressure comprehensive test device for the diving apparatus of claim 7, wherein said fixed frame (94) is slidably connected with a lower rod (93), and the moving directions of said two fixed frames (94) are opposite, wherein the bottom of one side of said fixed frame (94) is fixedly connected with a lower plate (95), the inside of said lower plate (95) is vertically screwed with a lower screw (96), the top end of said lower screw (96) is rotatably connected with a supporting plate (97), and the bottom of the other side of said fixed frame (94) is provided with a yielding groove (98).
  9. 9. The underwater pressure comprehensive test device for the dive is characterized in that O-shaped rings (11) are sleeved on the outer sides of the upper sealing piece (4) and the lower sealing piece (5), locking nuts (12) are connected with the outer sides of the upper sealing piece (4) and the lower sealing piece (5) in a threaded mode, and the locking nuts (12) are abutted to the inner side walls of the cover body (2).

Description

Underwater pressure comprehensive test device for submersible Technical Field The invention relates to the technical field of external pressure container sealing, in particular to an underwater pressure comprehensive test device for a submersible. Background The field of modern underwater diving equipment and the like is equipment capable of autonomous remote control navigation, observation and working under water, and generally relates to external pressure tests for verifying the safety of the underwater diving equipment under water, and when the external pressure tests are carried out on the product, the product generally relates to sealed equipment. Therefore, it is necessary to open the external pressure test sealing device. The underwater pressure comprehensive test device comprises a pressurizing test cabin, a model structure body, a pressurizing device, an optical fiber demodulator and a computer with a collecting card, wherein an optoelectronic connector and sensor mounting assembly and a water inlet are arranged at the top of the pressurizing test cabin, a water outlet is formed in the bottom of the testing cabin, a guide rail is arranged in the testing cabin, an electric connector and optical fiber connector connecting assembly is arranged on the model structure body, the electric connector and optical fiber connector connecting assembly comprises an optical fiber connector and an electric connector, rollers are arranged at the bottom of a model barrel, an optical fiber grating strain sensor and a strain gauge are arranged on the inner wall and the outer wall of the model barrel, the optical fiber grating strain sensor is connected with the optical fiber demodulator through the optical fiber connector, the strain gauge is connected with the computer with the collecting card through the electric connector, the pressurizing device comprises a pressure gauge, a control cabinet, a booster pump and a water tank, and the booster pump is connected with the water inlet through a pipeline. The underwater pressure test aims at verifying the structural integrity and sealing performance of the submersible in a deep sea high-pressure environment, in the three-dimensional underwater pressure test of the submersible, the cabin body and the cabin cover are required to be kept sealed, which is a key requirement for ensuring the safety and effectiveness of the test, the cabin body or the cabin cover is not sealed, the actual operation condition cannot be accurately simulated, the test is meaningless, and the existing dry leak detection method needs to fill compressed gas into the test device and maintain the pressure, so that the condition of sealing leakage of the joint part of the cabin cover is easy to occur, thereby influencing the accuracy of the pressure test of the submersible. Disclosure of Invention The invention aims to provide an underwater pressure comprehensive test device for a submersible, which aims to solve the problem that the accuracy of the pressure test of the submersible is affected because the joint part of a hatch cover is easy to leak due to the fact that compressed gas needs to be filled into the test device and the pressure is maintained in the existing dry leak detection method. The underwater pressure comprehensive test device for the submersible comprises a test cabin and a cover body fixedly arranged with the test cabin, wherein a pressure sensor is fixedly arranged on one side of the top of the test cabin; Further comprises: An upper sealing element and a lower sealing element are sequentially and fixedly arranged in the cover body from top to bottom; The inner side of the cover body is provided with a sealing protection assembly, and the inside of the test cabin is provided with a positioning assembly; The sealing protection assembly comprises a contact rod vertically and slidably mounted in the cover body, one end of the contact rod is fixedly connected with an arc pressing block, the arc pressing blocks are four in number, two of the arc pressing blocks are located on the upper portion and the lower portion of the outer side of the upper sealing piece, and the remaining two arc pressing blocks are located on the upper portion and the lower portion of the outer side of the lower sealing piece. Preferably, the inside fixed mounting of going up sealing member has the gas pipe, the inside fixed mounting of sealing member has the blast pipe down, one side fixedly connected with fixed plate that the lid is close to the test cabin, the inside top fixed mounting of fixed plate has communicating pipe, the inside wall top fixedly connected with install bin of lid, one side upper portion fixedly connected with slide bar that the install bin is close to the lid, spring one has been cup jointed in the outside of slide bar, spring one is located the outside of install bin, the inside transverse sliding mounting in test cabin has the sealing ring, one side fixedly connected with outer ring body