A suitable pressure vessel leakage detection device and method thereof

Abstract

The present invention belongs to the technical field of pressure vessels, and in particular, is an applicable pressure vessel leakage detection device and method thereof, comprising a detection pool and a hoisting mechanism, a support plate is fixedly connected to one side surface of the detection pool, a guide rail is installed on the upper surface of the support plate and the upper surface of the detection pool, the lower end of the hoisting mechanism is movably installed through the guide rail, and a liquid level detection mechanism is installed on the upper end surface of the detection pool. The applicable pressure vessel leakage detection device and method thereof, by installing a liquid level detection mechanism on the surface of the detection pool, utilizes the support rod in the liquid level mechanism to be driven by the lower end of the pressure vessel, so that the lower end of the pressure vessel, the support rod and the lower end of the detection rod are aligned and contact the detection liquid in the detection pool together, thereby realizing that the floating height of the buoyancy ring on the surface of the float rod is equal to the water entry depth of the lower end of the pressure vessel, and detection is performed through a proximity switch, so that the liquid level detection mechanism is convenient for detecting the water entry depth of pressure vessels of different specifications.

Description

Technical Field

[0001] The present invention relates to the technical field of pressure vessel detection, and in particular to an applicable pressure vessel leakage detection device and method thereof. Background Art

[0002] A pressure vessel leakage detection device (Announcement No.: CN219064797U) disclosed on the Chinese patent website solves the problem that the traditional detection device, during use, submerges the entire pressure vessel in water, then transports air into it, and makes judgments based on the bubbles generated by the leakage of air in the water. Although it can determine whether the container is leaking, it is difficult to find the leak point, and the container needs to be taken out and then checked step by step. However, the following problems still exist:

[0003] In the process of testing various pressure vessels, due to the different specifications of the pressure vessels, the lower ends of the pressure vessels all need to be immersed in the testing liquid to a certain depth. If the stroke of the cylinder in the lifting mechanism is not adjusted, it is easy to cause some pressure vessels to be immersed too deeply, resulting in increased operation time and affecting the testing efficiency. The immersion depth of some pressure vessels is too shallow, resulting in inaccurate testing results, and the pressure vessel needs to be rotated more times, which affects the testing efficiency and makes it inconvenient to use. Summary of the invention

[0004] Based on the technical problem that the existing pressure vessel leakage detection device is not convenient to immerse according to the specifications of the pressure vessel, the present invention proposes an applicable pressure vessel leakage detection device and method.

[0005] The present invention proposes an applicable pressure vessel leakage detection device and method thereof, comprising a detection pool and a lifting mechanism, wherein a support plate is fixedly connected to one side surface of the detection pool, and guide rails are installed on the upper surface of the support plate and the upper surface of the detection pool, and the lower end of the lifting mechanism is movably installed through the guide rails, and a liquid level detection mechanism is installed on the upper end surface of the detection pool, and the liquid level detection mechanism comprises a detection rod, and the detection rod is L-shaped, and a mounting groove is opened on the lower surface of the detection rod, and a floating rod is fixedly connected to the inner top wall of the mounting groove, and the side wall surface of the floating rod A contact groove is provided, a threaded rod is slidably inserted at the upper end of the floating rod, a proximity switch is rotatably connected to the lower end of the threaded rod through a bearing, the proximity switch is located inside the contact groove, the surface of the threaded rod is threadedly connected to the upper end of the detection rod, the upper end of the threaded rod is located above the detection rod, a buoyancy ring is interactively sleeved on the surface of the floating rod, and the buoyancy ring is in a hollow ring shape; the hoisting mechanism is an existing mechanism in a comparative case with an authorization announcement number of CN219064797U, and the cylinder in the guide rail drives the hoisting mechanism to move on the surface of the guide rail;

[0006] A liquid level lifting mechanism is installed on the inner walls at both ends of the detection tank, and the liquid level lifting mechanism includes a filling block, the upper end of the filling block is located above the detection tank, and a rotating shaft is fixedly inserted on the lower end surface of the filling block, and the surface of the rotating shaft is rotatably connected to the outer wall of the detection tank through a bearing, and a driven wheel is fixedly sleeved on the other end of the rotating shaft, and a transmission box is fixedly connected to the outer wall surface of the detection tank, and the driven wheel is located inside the transmission box. The inner walls at both ends of the transmission box are rotatably connected to the driving wheel through the rotating shaft, and the surfaces of the driving wheel and the driven wheel are both connected with a transmission belt, and the driven wheel and the transmission wheel can also be replaced by gears, and the transmission belt can be replaced by a chain, thereby improving the transmission efficiency.

[0007] Preferably, a limit ring is fixedly sleeved on the lower end surface of the float rod, a mounting plate is fixedly connected to the upper surface of the detection tank, a limit rod is slidably inserted on the upper surface of the mounting plate, and the cross-section of the limit rod is T-shaped.

[0008] Through the above technical scheme, the lower end of the float rod is limited by a limiting ring, thereby preventing the buoyancy ring from falling out downward, and the proximity switch is limited by the inner wall of the contact groove opened on the surface of the float rod, thereby preventing the trigger end of the proximity switch from retracting into the inside of the contact groove.

[0009] Preferably, a thrust spring is fixedly connected to the inner bottom wall of the lower end of the limit rod, the upper end of the thrust spring is fixedly connected to the lower surface of the mounting plate, the upper end of the limit rod is fixedly connected to the inner top wall of the detection rod, and the lower end side wall surface of the limit rod is fixedly connected to a support rod.

[0010] Through the above technical scheme, the support rod is used to contact the lower end of the pressure vessel, so that the pressure vessel can press the detection rod through the support rod. The upper end of the support rod can also be set to have a smooth curved surface, so as to reduce the influence of the support rod surface on the pressure vessel detection.

[0011] Preferably, the inner wall surfaces on both sides of the detection pool are fixedly connected to protection boxes, the surfaces of the two protection boxes are rotatably connected to transmission shafts through bearings, both ends of the transmission shafts are fixedly connected to the side wall surfaces of the driving wheel, the upper end surfaces of the two protection boxes are slidably plugged with racks, and the surfaces of the two racks are meshed with transmission gears.

[0012] Through the above technical scheme, the transmission shaft is used to drive the driven wheel through the active wheel, so as to facilitate the deflection of the filling block. The interior of the protection box can also be connected with the interior of the detection pool, so as to prevent accidental leakage inside the protection box from suddenly generating bubbles and affecting observation.

[0013] Preferably, one of the transmission gears is fixedly sleeved on the surface of the transmission shaft, and the surface of the other transmission shaft is transmission-connected with a transmission mechanism, and the output end of the transmission mechanism is transmission-connected with the transmission gear via a rotating shaft.

[0014] Through the above technical solution, the transmission mechanism is used to adjust the rotation direction of only one of the transmission shafts, thereby facilitating the two transmission shafts to rotate in the same direction.

[0015] Preferably, the transmission mechanism comprises a housing, a first steering gear and a second steering gear, the first steering gear and the second steering gear are both located inside the housing, and a surface of the first steering gear is fixedly sleeved on a surface of the transmission shaft.

[0016] Through the above technical solution, the transmission between the first steering gear and the second steering gear is utilized to facilitate changing the rotation direction, and the rotation speed of the transmission shaft can also be adjusted by adjusting the specifications of the first steering gear and the second steering gear.

[0017] Preferably, the surface of the first steering gear meshes with the surface of the second steering gear, and the second steering gear is rotationally connected to the transmission gear via a rotating shaft.

[0018] Preferably, the lower surface of the rack is fixedly connected to a positioning plate, the lower surface of the positioning plate is fixedly connected to a guide rod, a return spring is slidably sleeved on the surface of the guide rod, and the lower surface of the guide rod is fixedly connected to the inner bottom wall of the protection box.

[0019] Through the above technical solution, the reset spring is used to push the rack upward to reset, so that the filling block can be easily rotated out of the detection tank, thereby lowering the liquid level height of the detection tank when it is not in use. The guide rod is made of a telescopic rod, so that it is convenient to cooperate with the reset spring for stretching and compression.

[0020] Preferably, a support plate is fixedly connected to the upper surface of the rack, a telescopic rod is fixedly connected to the side wall surface of the lifting end of the lifting mechanism, the other end of the telescopic rod is slidably connected to the side wall surface of the outer frame of the lifting mechanism, a sliding groove is provided on the inner wall surface of the outer frame of the lifting mechanism, a slider is slidably connected to the inner wall of the sliding groove, and the side wall surface of the slider is fixedly connected to the surface of one end of the telescopic rod via a connecting rod.

[0021] Through the above technical solution, the lower end of the telescopic rod is used to press down the surface of the support plate, thereby facilitating the gear to be driven to be inserted into the protection box.

[0022] The detection method is:

[0023] Step 1: Before use, rotate the threaded rod to adjust the height of the lower end of the threaded rod in the detection rod. When in use, start the lifting mechanism, move the lifting mechanism to the top of the support plate, lift the pressure vessel, and move it to the top of the detection tank. The lifting mechanism lifts the pressure vessel into the detection tank;

[0024] Step 2: When the pressure vessel falls, the lower end of the pressure vessel presses the upper surface of the support rod, and the support plate drives the limit rod and the detection rod to fall together. The lower end of the thrust spring is stretched and deformed by the lower end of the limit rod. At the same time, the lifting mechanism drives the telescopic rod to press down together, and the telescopic rod presses the surface of the support plate, and the rack is inserted into the protection box;

[0025] Step three, the rack drives the transmission gears meshing on the surface to rotate, one of the transmission gears directly drives the transmission shaft plugged on the surface to rotate, the other transmission gear drives the other transmission shaft to rotate through the transmission mechanism, the transmission shaft drives the driven wheel through the driving wheel and the transmission belt, the driven wheel drives the filling block to deflect through the rotating shaft, the upper end of the filling block deflects downward toward the inside of the detection tank, the volume of the filling block entering the detection tank increases, and the liquid level of the detection liquid in the detection tank rises;

[0026] Step 4: The detection liquid enters the installation groove from the opening at the lower end of the detection rod. The buoyancy ring floats along the surface of the float rod under the action of buoyancy. When the buoyancy ring floats to the surface of the proximity switch, the proximity switch is triggered, and the lifting mechanism stops lowering the pressure vessel into the detection pool. The pressure vessel is then rotated by the lifting mechanism and the entire body of the pressure vessel is tested.

[0027] The beneficial effects of the present invention are:

[0028] 1. A liquid level detection mechanism is installed on the surface of the detection pool, and the support rod in the liquid level mechanism is driven by the lower end of the pressure vessel, so that the lower end of the pressure vessel, the support rod and the lower end of the detection rod are aligned and contact the detection liquid in the detection pool together, thereby achieving that the floating height of the buoyancy ring on the surface of the float rod is equal to the water depth of the lower end of the pressure vessel, and detection is performed through a proximity switch, so that the liquid level detection mechanism is convenient for water depth detection of pressure vessels of different specifications.

[0029] 2. A liquid level lifting mechanism is installed on the inner wall surface of the detection tank, the rack in the liquid level lifting mechanism is aligned with the lifting mechanism during the fall, and the support plate on the upper end of the rack is squeezed by the telescopic rod in the lifting mechanism, thereby deflecting the filling block in the liquid level lifting mechanism, and the filling block penetrates into the detection tank to increase the liquid level in the detection tank, thereby reducing the amount of detection liquid used and facilitating the infiltration of pressure vessels of various specifications with the detection liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A schematic diagram of an applicable pressure vessel leakage detection device proposed by the present invention;

[0031] Figure 2 A three-dimensional diagram of the detection pool structure of a suitable pressure vessel leakage detection device proposed by the present invention;

[0032] Figure 3 A three-dimensional diagram of the mounting plate structure of a suitable pressure vessel leakage detection device proposed by the present invention;

[0033] Figure 4 A cross-sectional view of a detection rod structure of a suitable pressure vessel leakage detection device proposed by the present invention;

[0034] Figure 5 An exploded diagram of a floating rod structure of a suitable pressure vessel leakage detection device proposed by the present invention;

[0035] Figure 6 A three-dimensional diagram of the filling block structure of a suitable pressure vessel leakage detection device proposed by the present invention;

[0036] Figure 7 A cross-sectional view of a transmission box structure of an applicable pressure vessel leakage detection device proposed by the present invention;

[0037] Figure 8 A cross-sectional view of the protection box structure of an applicable pressure vessel leakage detection device proposed by the present invention;

[0038] Fig. 9 A cross-sectional view of the transmission mechanism structure of a suitable pressure vessel leakage detection device proposed by the present invention;

[0039] Fig.10 This is a stereoscopic diagram of the telescopic rod structure of an applicable pressure vessel leakage detection device proposed by the present invention.

[0040] In the figure: 1. detection pool; 2. lifting mechanism; 3. support plate; 4. guide rail; 5. detection rod; 51. floating rod; 52. threaded rod; 53. proximity switch; 54. buoyancy ring; 55. limit ring; 56. mounting plate; 57. limit rod; 58. thrust spring; 59. support rod; 6. filling block; 61. rotating shaft; 62. driven wheel; 63. transmission box; 64. driving wheel; 65. transmission belt; 66. protection box; 67. transmission shaft; 68. rack; 69. transmission gear; 610. transmission mechanism; 611. positioning plate; 612. guide rod; 613. reset spring; 614. support plate; 7. telescopic rod; 8. slider. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0042] Reference Figure 1-Figure 10 A suitable pressure vessel leakage detection device and method thereof, comprising a detection pool 1 and a lifting mechanism 2, a support plate 3 is fixedly connected to one side surface of the detection pool 1, a guide rail 4 is installed on the upper surface of the support plate 3 and the upper surface of the detection pool 1, the lower end of the lifting mechanism 2 is movably installed through the guide rail 4, a liquid level detection mechanism is installed on the upper end surface of the detection pool 1, the liquid level detection mechanism comprises a detection rod 5, the detection rod 5 is L-shaped, a mounting groove is opened on the lower surface of the detection rod 5, a floating rod 51 is fixedly connected to the inner top wall of the mounting groove, a contact groove is opened on the side wall surface of the floating rod 51, and the floating rod 51 is The upper end of 51 is slidably plugged with a threaded rod 52, and the lower end of the threaded rod 52 is rotatably connected with a proximity switch 53 through a bearing, and the proximity switch 53 is located inside the contact groove. The surface of the threaded rod 52 is threadedly connected with the upper end of the detection rod 5, and the upper end of the threaded rod 52 is located above the detection rod 5. The surface of the floating rod 51 is interactively sleeved with a buoyancy ring 54, and the buoyancy ring 54 is in a hollow ring shape; the hoisting mechanism 2 is an existing mechanism in the comparative case with the authorization announcement number CN219064797U, and the cylinder in the guide rail 4 drives the hoisting mechanism 2 to move on the surface of the guide rail 4;

[0043] A liquid level lifting mechanism is installed on the inner walls at both ends of the detection tank 1, and the liquid level lifting mechanism includes a filling block 6. The upper end of the filling block 6 is located above the detection tank 1, and a rotating shaft 61 is fixedly inserted on the lower end surface of the filling block 6. The surface of the rotating shaft 61 is rotatably connected to the outer wall of the detection tank 1 through a bearing, and a driven wheel 62 is fixedly sleeved on the other end of the rotating shaft 61. A transmission box 63 is fixedly connected to the outer wall surface of the detection tank 1, and the driven wheel 62 is located inside the transmission box 63. The inner walls at both ends of the transmission box 63 are rotatably connected to a driving wheel 64 through a rotating shaft, and the surface of the driving wheel 64 and the surface of the driven wheel 62 are both connected to a transmission belt 65. The driven wheel 62 and the transmission wheel can also be replaced by gears, and the transmission belt 65 can be replaced by a chain, thereby improving the transmission efficiency.

[0044] In order to install the detection rod 5, a limiting ring 55 is fixedly sleeved on the lower end surface of the floating rod 51, and a mounting plate 56 is fixedly connected to the upper surface of the detection pool 1. A limiting rod 57 is slidably inserted on the upper surface of the mounting plate 56. The cross-section of the limiting rod 57 is T-shaped. The limiting ring 55 is used to limit the lower end of the floating rod 51, so as to prevent the buoyancy ring 54 from falling out downward. A thrust spring 58 is fixedly connected to the inner bottom wall of the lower end of the limiting rod 57. The upper end of the thrust spring 58 is fixedly connected to the lower surface of the mounting plate 56. The upper end of the limiting rod 57 is fixedly connected to the inner top wall of the detection rod 5. A supporting rod 59 is fixedly connected to the side wall surface of the lower end of the limiting rod 57. The supporting rod 59 is used to contact the lower end of the pressure vessel, so that the pressure vessel presses the detection rod 5 through the supporting rod 59. The upper end of the supporting rod 59 can also be set to be a smooth curved surface, so as to reduce the influence of the surface of the supporting rod 59 on the pressure vessel detection.

[0045] By installing a liquid level detection mechanism on the surface of the detection pool 1, the support rod 59 in the liquid level mechanism is driven by the lower end of the pressure vessel, so that the lower end of the pressure vessel, the support rod 59 and the lower end of the detection rod 5 are aligned and contact the detection liquid in the detection pool 1 together, so that the floating height of the buoyancy ring 54 on the surface of the float rod 51 is equal to the water depth of the lower end of the pressure vessel, and detection is performed through the proximity switch 53, so that the liquid level detection mechanism is convenient for detecting the water depth of pressure vessels of different specifications.

[0046] In order to drive the filling block 6, protection boxes 66 are fixedly connected to the inner wall surfaces on both sides of the detection pool 1, and the surfaces of the two protection boxes 66 are rotatably connected to transmission shafts 67 through bearings. Both ends of the transmission shaft 67 are fixedly connected to the side wall surfaces of the driving wheel 64, and the upper end surfaces of the two protection boxes 66 are slidably inserted with racks 68. The surfaces of the two racks 68 are meshed with transmission gears 69. The transmission shaft 67 is used to drive the driven wheel 62 through the driving wheel 64, so as to facilitate the deflection of the filling block 6. The interior of the protection box 66 can also be connected with the interior of the detection pool 1, so as to facilitate the accidental leakage of the protection box 66 to suddenly generate bubbles and affect the observation. One of the transmission gears 69 is fixedly sleeved on the surface of the transmission shaft 67, and the surface of the other transmission shaft 67 is transmission-connected with a transmission gear. Mechanism 610, the output end of the transmission mechanism 610 is connected to the transmission gear 69 through a rotating shaft transmission. The transmission mechanism 610 is used to adjust the rotation direction of only one of the transmission shafts 67, so as to facilitate the two transmission shafts 67 to rotate in the same direction. The transmission mechanism 610 includes a shell, a first steering gear and a second steering gear. The first steering gear and the second steering gear are both located inside the shell. The surface of the first steering gear is fixedly sleeved on the surface of the transmission shaft 67. The transmission between the first steering gear and the second steering gear is used to facilitate changing the rotation direction. At the same time, the speed of the transmission shaft 67 can be adjusted by adjusting the specifications of the first steering gear and the second steering gear. The surface of the first steering gear is meshed with the surface of the second steering gear, and the second steering gear is rotationally connected to the transmission gear 69 through a rotating shaft.

[0047] In order to facilitate the pulling of the rack 68, a positioning plate 611 is fixedly connected to the lower surface of the rack 68, and a guide rod 612 is fixedly connected to the lower surface of the positioning plate 611. A reset spring 613 is slidably sleeved on the surface of the guide rod 612. The lower surface of the guide rod 612 is fixedly connected to the inner bottom wall of the protection box 66. The reset spring 613 is used to push the rack 68 upward to reset, so as to facilitate the filling block 6 to be rotated out of the detection tank 1, thereby reducing the liquid level height of the detection tank 1 when it is not in use. The guide rod 612 is made of a telescopic rod 7, so as to facilitate the reset. The spring 613 is stretched and compressed, the upper surface of the rack 68 is fixedly connected to the support plate 614, the side wall surface of the lifting end of the lifting mechanism 2 is fixedly connected to the telescopic rod 7, the other end of the telescopic rod 7 is slidably connected to the side wall surface of the outer frame of the lifting mechanism 2, a sliding groove is provided on the inner wall surface of the outer frame of the lifting mechanism 2, and a slider 8 is slidably connected to the inner wall of the sliding groove, the side wall surface of the slider 8 is fixedly connected to one end surface of the telescopic rod 7 through a connecting rod, and the lower end of the telescopic rod 7 is used to press down the surface of the support plate 614, thereby facilitating the gear to be inserted into the protective box 66.

[0048] By installing a liquid level lifting mechanism on the inner wall surface of the detection tank 1, aligning the rack 68 in the liquid level lifting mechanism with the lifting mechanism 2 when falling, and squeezing the support plate 614 on the upper end of the rack 68 through the telescopic rod 7 in the lifting mechanism 2, the filling block 6 in the liquid level lifting mechanism is deflected, and the filling block 6 penetrates into the detection tank 1, so that the liquid level in the detection tank 1 is raised, thereby reducing the amount of detection liquid used and facilitating the infiltration of pressure vessels of various specifications with the detection liquid.

[0049] The detection method is:

[0050] Step 1: Before use, rotate the threaded rod 52 to adjust the height of the lower end of the threaded rod 52 in the detection rod 5. When in use, start the hoisting mechanism 2, move the hoisting mechanism 2 to the top of the support plate 3, lift the pressure vessel, and move it to the top of the detection tank 1, and hoist the pressure vessel into the detection tank 1 by the hoisting mechanism 2;

[0051] Step 2: When the pressure vessel falls, the lower end of the pressure vessel presses the upper surface of the support rod 59, and the support plate 614 drives the limit rod 57 and the detection rod 5 to fall together. The lower end of the thrust spring 58 is stretched and deformed by the lower end of the limit rod 57. At the same time, the hoisting mechanism 2 drives the telescopic rod 7 to press down together, and the telescopic rod 7 presses the surface of the support plate 614, and the rack 68 is inserted into the protection box 66.

[0052] Step 3: the rack 68 drives the transmission gear 69 meshed on the surface to rotate, one of the transmission gears 69 directly drives the transmission shaft 67 plugged on the surface to rotate, and the other transmission gear 69 drives the other transmission shaft 67 to rotate through the transmission mechanism 610. The transmission shaft 67 drives the driven wheel 62 through the driving wheel 64 and the transmission belt 65. The driven wheel 62 drives the filling block 6 to deflect through the rotating shaft 61. The upper end of the filling block 6 deflects downward toward the inside of the detection tank 1, and the volume of the filling block 6 entering the detection tank 1 increases, and the liquid level of the detection liquid in the detection tank 1 rises;

[0053] Step 4: The detection liquid enters the installation groove from the opening at the lower end of the detection rod 5. The buoyancy ring 54 floats along the surface of the float rod 51 under the action of buoyancy. When the buoyancy ring 54 floats to the surface of the proximity switch 53, the proximity switch 53 is triggered, and the hoisting mechanism 2 stops hoisting the pressure vessel into the detection pool 1. The pressure vessel is then rotated by the hoisting mechanism 2, and the entire body of the pressure vessel is inspected.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An applicable pressure vessel leakage detection device, comprising a detection pool (1) and a lifting mechanism (2), wherein a support plate (3) is fixedly connected to a surface of one side of the detection pool (1), a guide rail (4) is installed on the upper surface of the support plate (3) and the upper surface of the detection pool (1), and the lower end of the lifting mechanism (2) is movably installed via the guide rail (4), characterized in that: A liquid level detection mechanism is installed on the upper surface of the detection pool (1), the liquid level detection mechanism comprising a detection rod (5), the detection rod (5) being L-shaped, a mounting groove being provided on the lower surface of the detection rod (5), a floating rod (51) being fixedly connected to the inner top wall of the mounting groove, a contact groove being provided on the side wall surface of the floating rod (51), a threaded rod (52) being slidably inserted at the upper end of the floating rod (51), a proximity switch (53) being rotatably connected to the lower end of the threaded rod (52) via a bearing, the proximity switch (53) being located inside the contact groove, a surface of the threaded rod (52) being threadedly connected to the upper end of the detection rod (5), the upper end of the threaded rod (52) being located above the detection rod (5), a buoyancy ring (54) being interactively sleeved on the surface of the floating rod (51), the buoyancy ring (54) being in the shape of a hollow circular ring; The lower end surface of the floating rod (51) is fixedly sleeved with a limit ring (55); the upper surface of the detection pool (1) is fixedly connected with a mounting plate (56); the upper surface of the mounting plate (56) is slidably plugged with a limit rod (57); the cross section of the limit rod (57) is T-shaped; the inner bottom wall of the lower end of the limit rod (57) is fixedly connected with a thrust spring (58); the upper end of the thrust spring (58) is fixedly connected to the lower surface of the mounting plate (56); the upper end of the limit rod (57) is fixedly connected to the inner top wall of the detection rod (5); and the lower end side wall surface of the limit rod (57) is fixedly connected with a support rod (59); The inner side walls at both ends of the detection tank (1) are provided with a liquid level lifting mechanism, the liquid level lifting mechanism comprising a filling block (6), the upper end of the filling block (6) being located above the detection tank (1), the lower end surface of the filling block (6) being fixedly plugged with a rotating shaft (61), the surface of the rotating shaft (61) being rotatably connected to the outer wall of the detection tank (1) via a bearing, the other end of the rotating shaft (61) being fixedly sleeved with a driven wheel (62), the outer side wall surface of the detection tank (1) being fixedly connected with a transmission box (63), the driven wheel (62) being located inside the transmission box (63), the inner side walls at both ends of the transmission box (63) being rotatably connected with a driving wheel (64) via a rotating shaft, the surface of the driving wheel (64) and the surface of the driven wheel (62) being transmission-connected with a transmission belt (65).

2. The applicable pressure vessel leakage detection device according to claim 1, characterized in that: The inner wall surfaces on both sides of the detection pool (1) are fixedly connected to protection boxes (66), the surfaces of the two protection boxes (66) are rotatably connected to transmission shafts (67) via bearings, both ends of the transmission shafts (67) are fixedly connected to the side wall surfaces of the driving wheel (64), the upper end surfaces of the two protection boxes (66) are slidably plugged with racks (68), and the surfaces of the two racks (68) are meshed with transmission gears (69).

3. The applicable pressure vessel leakage detection device according to claim 2, characterized in that: One of the transmission gears (69) is fixedly sleeved on the surface of the transmission shaft (67), and the surface of the other transmission shaft (67) is transmission-connected with a transmission mechanism (610), and the output end of the transmission mechanism (610) is transmission-connected with the transmission gear (69) via a rotating shaft.

4. The applicable pressure vessel leakage detection device according to claim 3, characterized in that: The transmission mechanism (610) comprises a housing, a first steering gear and a second steering gear, wherein the first steering gear and the second steering gear are both located inside the housing, and a surface of the first steering gear is fixedly sleeved on a surface of a transmission shaft (67).

5. The applicable pressure vessel leakage detection device according to claim 4, characterized in that: The surface of the first steering gear meshes with the surface of the second steering gear, and the second steering gear is rotationally connected to the transmission gear (69) via a rotating shaft.

6. The applicable pressure vessel leakage detection device according to claim 5, characterized in that: The lower surface of the rack (68) is fixedly connected to a positioning plate (611), the lower surface of the positioning plate (611) is fixedly connected to a guide rod (612), a return spring (613) is slidably sleeved on the surface of the guide rod (612), and the lower surface of the guide rod (612) is fixedly connected to the inner bottom wall of the protection box (66).

7. The applicable pressure vessel leakage detection device according to claim 6, characterized in that: The upper surface of the rack (68) is fixedly connected to a support plate (614), the side wall surface of the lifting end of the lifting mechanism (2) is fixedly connected to a telescopic rod (7), the other end of the telescopic rod (7) is slidably connected to the side wall surface of the outer frame of the lifting mechanism (2), the inner side wall surface of the outer frame of the lifting mechanism (2) is provided with a sliding groove, the inner wall of the sliding groove is slidably connected to a slider (8), and the side wall surface of the slider (8) is fixedly connected to the surface of one end of the telescopic rod (7) via a connecting rod.

8. A detection method for an applicable pressure vessel leakage detection device according to any one of claims 1 to 7, wherein the detection method comprises: Step 1: before use, the threaded rod (52) is rotated to adjust the height of the lower end of the threaded rod (52) in the detection rod (5); when in use, the lifting mechanism (2) is started, the lifting mechanism (2) is moved to the top of the support plate (3), the lifting mechanism (2) lifts the pressure vessel and moves it to the top of the detection tank (1), and the lifting mechanism (2) lifts the pressure vessel into the detection tank (1); Step 2: When the pressure container falls, the lower end of the pressure container presses the upper surface of the support rod (59), the support plate (614) drives the limit rod (57) and the detection rod (5) to fall together, the lower end of the thrust spring (58) is stretched and deformed by the lower end of the limit rod (57), and at the same time, the lifting mechanism (2) drives the telescopic rod (7) to press down together, the telescopic rod (7) presses the surface of the support plate (614), and the rack (68) is inserted into the protection box (66); Step 3: The rack (68) drives the transmission gear (69) meshed with the surface to rotate, one of the transmission gears (69) directly drives the transmission shaft (67) plugged into the surface to rotate, and the other transmission gear (69) drives the other transmission shaft (67) to rotate through the transmission mechanism (610), and the transmission shaft (67) drives the driven wheel (62) through the driving wheel (64) and the transmission belt (65), and the driven wheel (62) drives the filling block (6) to deflect through the rotating shaft (61), and the upper end of the filling block (6) deflects downward toward the inside of the detection tank (1), the volume of the filling block (6) entering the detection tank (1) increases, and the liquid level of the detection liquid in the detection tank (1) rises; In step 4, the detection liquid enters the installation groove from the opening at the lower end of the detection rod (5), and the buoyancy ring (54) floats along the surface of the float rod (51) under the action of buoyancy. When the buoyancy ring (54) floats to the surface of the proximity switch (53), the proximity switch (53) is triggered, and the hoisting mechanism (2) stops hoisting the pressure vessel into the detection pool (1). The pressure vessel is then rotated by the hoisting mechanism (2), and the entire body of the pressure vessel is tested.

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