Pressure vessel leakage detection device

Abstract

The utility model relates to a pressure vessel leakage detection device which comprises a bottom plate, a transparent box body is fixed at the left end of the upper surface of the bottom plate, a sealing box cover is placed on the upper surface of the transparent box body, an inflator pump is fixed at the right end of the upper surface of the bottom plate, and the air outlet end of the inflator pump is communicated with an air guide pipe in a sealing mode. The other end of the air guide pipe penetrates through the sealing box cover and extends to an inner cavity of the transparent box body, a sealing mechanism used for connecting the air guide pipe and the sealing box cover in a sealing mode is arranged at the left end of the upper surface of the sealing box cover, and positioning mechanisms are arranged at the front end and the rear end of the inner cavity of the transparent box body. According to the pressure vessel leakage detection device, the sealing mechanism is arranged, so that a worker can conveniently seal the joint between the gas guide pipe and the sealing box cover, the accuracy of a test result is ensured, manual adjustment by the worker is not needed, the labor intensity of the worker is reduced, and the working efficiency is improved. And meanwhile, the sealing stability between the air guide pipe and the sealing box cover is improved.

Description

Technical Field

[0001] This utility model relates to the field of pressure vessel leakage detection technology, specifically a pressure vessel leakage detection device. Background Technology

[0002] A pressure vessel is a sealed device that holds gas or liquid and bears a certain pressure. Pressure vessel leak detection is an important method for evaluating the performance and safety of pressure vessels. It mainly uses a series of tests to detect whether there are leaks in the pressure vessel, thereby ensuring the sealing and integrity of the pressure vessel.

[0003] A search revealed Chinese patent CN216925968U, which discloses a pressure vessel leakage detection device. The device includes a base plate with a transparent water tank placed on top. An air pump is bolted to the top of the base plate and to one side of the water tank. A cover plate is installed on the upper surface of the water tank. An air pipe is sealed to the air outlet of the air pump via a sealing ring. This device utilizes a first connecting seat to control four connecting plates, which in turn pull claws on four second connecting seats to rotate. The four rotating claws can position the pressure vessel. This design not only positions pressure vessels of different sizes but also prevents them from shaking or tilting. Furthermore, a sealing component is included, using two cams to control the elastic reset and closure of the first and second positioning sleeves. This design not only provides rapid sealing but also facilitates disassembly and reassembly by the user.

[0004] However, in this invention, when sealing the outer wall of the trachea, the angle of the cam needs to be rotated to drive the movement of the first / second positioning sleeve and the rubber pad, which will compress the second spring. At this time, the reaction force generated by the second spring will push the first / second positioning sleeve and the rubber pad to move in opposite directions. Furthermore, this invention does not have a limiting structure for the first / second positioning sleeve, resulting in a low sealing effect on the outer wall of the trachea. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a pressure vessel leakage detection device with advantages such as good sealing effect. It solves the problem that the need to rotate the cam angle to drive the movement of the first / second positioning sleeve and the rubber pad will cause compression of the second spring. At this time, the reaction force generated by the second spring will push the first / second positioning sleeve and the rubber pad to move in opposite directions. Furthermore, this utility model does not have a limiting structure for the first / second positioning sleeve, resulting in a low sealing effect on the outer wall of the air pipe.

[0006] In order to achieve the above object, the utility model provides following technical scheme: a pressure vessel leak detection device, including the bottom plate, the left end of bottom plate upper surface is fixed with the transparent box, the upper surface of transparent box is placed with the sealed box cover, the right end of bottom plate upper surface is fixed with the air pump, the air outlet end of air pump is sealedly connected with the gas guide pipe, the other end of gas guide pipe is through sealed box cover and extends to the inner chamber of transparent box, the left end of sealed box cover upper surface is equipped with the sealing mechanism for the sealed connection between gas guide pipe and sealed box cover, the front and rear ends of transparent box inner chamber all are equipped with the positioning mechanism for the positioning of pressure vessel,

[0007] The sealing mechanism includes a placing cavity formed in the left end of the upper surface of the sealed box cover, a motor is fixed in the inner cavity of the placing cavity, rotating rods are rotatably connected to the left and right ends of the upper surface of the sealed box cover through bearings, a rotating disc is fixed to the upper surface of the rotating rod, a fixed rod is fixed to the upper surface of the rotating disc, fixed blocks are fixed to the left and right ends of the upper surface of the sealed box cover, a limiting rod is fixed between the opposite sides of the two fixed blocks, limiting sleeves are slidably connected to the left and right ends of the outer surface of the limiting rod, a vertical rod is fixed to the upper surface of the limiting sleeve, the outer surfaces of the vertical rod and the fixed rod are rotatably installed with the same connecting plate, clamping plates are fixed to the opposite sides of the two limiting sleeves

[0008] Further, handles are fixed to the left and right ends of the upper surface of the sealed box cover, a sealing block is fixed to the lower surface of the sealed box cover, and the size of the sealing block is matched with the size of the inner chamber of the transparent box.

[0009] Further, the output shaft of the motor extends to the upper side of the sealed box cover and is fixed with the left rotating rod, and the left and right rotating rods are connected through a belt drive.

[0010] Further, anti-slip concave plates are fixed to the opposite sides of the two clamping plates, and the anti-slip concave plates are rubber plates.

[0011] Further, the positioning mechanism includes positioning plates arranged at the front and rear ends of the inner chamber of the transparent box, two retaining blocks are fixed to the bottom of the left side wall of the inner chamber of the transparent box and the top and bottom of the right side wall of the inner chamber, a sliding rod is fixed between the opposite sides of the two retaining blocks, sliding plates are slidably connected to the front and rear ends of the outer surface of the sliding rod, the opposite sides of the left and right sliding plates are respectively fixed with the two positioning plates, an installation box is fixed to the top of the left side wall of the inner chamber of the transparent box, a rotating gear is rotatably connected to the center between the opposite sides of the left and right side walls of the inner chamber of the installation box through a bearing, toothed plates are meshingly connected to the upper and lower sides of the rotating gear, linkage frames are fixed to the opposite sides of the two toothed plates, and the right sides of the upper and lower linkage frames extend to the right side of the installation box and are respectively fixed with the two positioning plates.

[0012] Further, the left side of the transparent box body is fixed with a driving motor, the output shaft of the driving motor penetrates the transparent box body and extends to the inner cavity of the mounting box and is fixed at the center of the rotating gear.

[0013] Further, the opposite side of the linkage frame at the upper end and the lower end is fixed with a sliding block, the inner top wall and the inner bottom wall of the mounting box are both provided with a sliding groove, and the sliding block moves linearly in the inner cavity of the sliding groove.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] 1. The sealing mechanism can seal the connection between the air duct and the sealing box cover, ensuring the accuracy of the test results, and reducing the labor intensity of the workers, while improving the stability of the sealing between the air duct and the sealing box cover.

[0016] 2. The pressure container leakage detection device can position different sizes of pressure containers by using the positioning mechanism, so that the position of the pressure container in the transparent box body remains stable, improving the convenience of positioning. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the sealing mechanism of the utility model;

[0019] Figure 3 It is a structural schematic view of the rotating disc, fixed rod and connecting plate of the utility model;

[0020] Figure 4 It is a structural schematic view of the positioning mechanism of the utility model.

[0021] In the figure: 1 bottom plate, 2 transparent box body, 3 sealing box cover, 4 air pump, 5 air duct, 6 sealing mechanism, 601 placement cavity, 602 motor, 603 rotating rod, 604 rotating disc, 605 fixed rod, 606 fixed block, 607 limiting rod, 608 limiting sleeve, 609 vertical rod, 610 connecting plate, 611 clamping plate, 7 positioning mechanism, 701 positioning plate, 702 retaining block, 703 sliding rod, 704 sliding plate, 705 mounting box, 706 rotating gear, 707 toothed plate, 708 linkage frame. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0023] Please refer to Figure 1 The pressure container leakage detection device in the embodiment comprises a bottom plate 1, a transparent box body 2 is fixed to the left end of the upper surface of the bottom plate 1, a sealing box cover 3 is placed on the upper surface of the transparent box body 2, an air charging pump 4 is fixed to the right end of the upper surface of the bottom plate 1, a gas guide pipe 5 is in sealed communication with the gas outlet end of the air charging pump 4, the other end of the gas guide pipe 5 penetrates through the sealing box cover 3 and extends into the inner cavity of the transparent box body 2, a sealing mechanism 6 for sealing connection between the gas guide pipe 5 and the sealing box cover 3 is arranged at the left end of the upper surface of the sealing box cover 3, and positioning mechanisms 7 for positioning the pressure container are arranged at the front and rear ends of the inner cavity of the transparent box body 2.

[0024] In the embodiment, handles are fixed to the left and right ends of the upper surface of the sealing box cover 3, and sealing blocks are fixed to the lower surface of the sealing box cover 3, the size of the sealing blocks being matched with the size of the inner cavity of the transparent box body 2.

[0025] It should be noted that the inner cavity of the transparent box body 2 is filled with appropriate amount of water, the sealing box cover 3 is buckled on the upper side of the transparent box body 2, one end of the gas guide pipe 5 is connected with the outer pipe of the pressure container, and then the air charging pump 4 is started, the air charging pump 4 can charge air into the pressure container through the gas guide pipe 5, if gas bubbles are generated in the transparent box body 2 due to the gas in the pressure container, it indicates that leakage occurs in the pressure container.

[0026] Please refer to Figures 2-3In order to improve the stability of the sealing between the air guide pipe 5 and the sealing box cover 3, the sealing mechanism 6 in the embodiment comprises a placing cavity 601 formed in the left end of the upper surface of the sealing box cover 3, a motor 602 fixed in the inner cavity of the placing cavity 601, rotating rods 603 rotatably connected to the left and right ends of the upper surface of the sealing box cover 3 through bearings, a rotating disc 604 fixed to the upper surface of the rotating rod 603, and a fixed rod 605 fixed to the upper surface of the rotating disc 604. The motor 602 can be started to drive the left rotating rod 603 to rotate through the output shaft of the motor 602. The rotation of the left rotating rod 603 drives the right rotating rod 603 to rotate through the belt drive. The rotation of the rotating rod 603 drives the rotating disc 604 to rotate, and the rotating disc 604 drives the fixed rod 605 fixed to the surface thereof to rotate. The left and right ends of the upper surface of the sealing box cover 3 are fixed with fixed blocks 606, and the opposite sides of the two fixed blocks 606 are fixed with a limiting rod 607. The left and right ends of the outer surface of the limiting rod 607 are slidably connected with limiting sleeves 608, the upper surface of the limiting sleeve 608 is fixed with a vertical rod 609, the outer surfaces of the vertical rod 609 and the fixed rod 605 are rotatably installed with the same connecting plate 610, the opposite sides of the two limiting sleeves 608 are fixed with clamping plates 611, and the rotation of the fixed rod 605 can drive the connecting plate 610 to move. The movement of the connecting plate 610 can drive the vertical rod 609 to move, so that the limiting sleeves 608 move on the outer surface of the limiting rod 607, the limiting sleeves 608 on the left and right sides move relatively, and the clamping plates 611 on the left and right ends move relatively, so as to seal the air guide pipe 5 and the sealing box cover 3.

[0027] In the embodiment, the output shaft of the motor 602 extends to the upper side of the sealing box cover 3 and is fixed with the left rotating rod 603, the left and right rotating rods 603 are connected through the belt drive, the opposite sides of the two clamping plates 611 are fixed with anti-skid concave plates, and the anti-skid concave plates are rubber plates.

[0028] In addition, the positions of the left and right fixed rods 605 are different from the positions of the upper surfaces of the two rotating discs 604. When the limiting of the air guide pipe 5 is released, only the output shaft of the motor 602 needs to be reversed.

[0029] It should be noted that the connection between the air guide pipe 5 and the sealing box cover 3 is sealed, so as to ensure the accuracy of the test results, and the labor intensity of the workers is reduced, and the stability of the sealing between the air guide pipe 5 and the sealing box cover 3 is improved.

[0030] Please refer to Figure 4In order to position the pressure vessels of different sizes, the positioning mechanism 7 in the embodiment comprises positioning plates 701 arranged at the front and back ends of the inner cavity of the transparent box 2, two fixing blocks 702 are fixed to the bottom of the left side wall of the inner cavity and the top and bottom of the right side wall of the inner cavity, a sliding rod 703 is fixed between the opposite sides of the front and rear fixing blocks 702, and a sliding plate 704 is slidably connected to the outer surface of the front and rear ends of the sliding rod 703. The opposite sides of the left and right ends of the sliding plate 704 are fixed with the two positioning plates 701, respectively. The relative movement of the two linkage frames 708 can make the front and rear positioning plates 701 move relatively. At this time, the movement of the positioning plates 701 drives the three sliding plates 704 to slide on the outer surface of the sliding rod 703, until the front and rear positioning plates 701 clamp the two sides of the pressure vessel, and the top of the left side wall of the inner cavity of the transparent box 2 is fixed with a mounting box 705. A rotating gear 706 is rotatably connected to the center between the opposite sides of the left and right side walls of the inner cavity of the mounting box 705 through a bearing, and a toothed plate 707 is meshingly connected to the upper and lower sides of the rotating gear 706. The opposite sides of the two toothed plates 707 are fixed with linkage frames 708, respectively. The right sides of the upper and lower linkage frames 708 extend to the right side of the mounting box 705 and are fixed with the two positioning plates 701, respectively. Place the pressure vessel between the opposite sides of the two positioning plates 701 in the transparent box 2, and then start the driving motor. The rotation of the output shaft of the driving motor drives the rotating gear 706, and the rotation of the rotating gear 706 drives the toothed plates 707 meshingly connected to the upper and lower sides thereof to move relatively, thereby driving the two linkage frames 708 to move relatively.

[0031] In the embodiment, the left side of the transparent box 2 is fixed with a driving motor, the output shaft of the driving motor extends to the inner cavity of the mounting box 705 through the transparent box 2 and is fixed with the center of the rotating gear 706, and the opposite sides of the upper and lower linkage frames 708 are fixed with sliding blocks, respectively. The inner cavity of the mounting box 705 is provided with sliding grooves on the opposite sides of the top wall and the bottom wall, and the sliding blocks move linearly in the inner cavity of the sliding grooves.

[0032] It should be noted that the pressure vessels of different sizes can be positioned, so that the position of the pressure vessel in the transparent box 2 remains stable, and the convenience during positioning is improved.

[0033] The working principle of the above embodiment is as follows:

[0034] (1) in use, the pressure vessel is placed in the transparent box 2 between the two positioning plates 701 opposite sides, and then start the drive motor, the output shaft of the drive motor rotates to drive gear 706, the rotation of the gear 706 makes the meshing connection on both sides of the tooth plate 707 relative movement, in turn can drive two linkage frame 708 relative movement, the relative movement of the two linkage frame 708 can make the positioning plate 701 on both sides of the relative movement, the movement of the positioning plate 701 at this time drive three sliding plate 704 in the outer surface of the slide rod 703 sliding, until the positioning plate 701 on both sides of the pressure vessel clamping, then the transparent box 2 cavity injection of an appropriate amount of water, the sealing box cover 3 is buckled on the upper side of the transparent box 2, and the gas pipe 5 with the outer tube of the pressure vessel is connected, and then start the air pump 4, the air pump 4 can be through the gas pipe 5 to the pressure vessel in the inflation, if the gas in the pressure vessel in the transparent box 2 produces bubbles, indicating that the pressure vessel leak.

[0035] (2) in the sealing of the gas pipe 5, can be started by the motor 602, the output shaft of the motor 602 rotates to drive the left side of the rotating rod 603 rotation, the rotation of the left side of the rotating rod 603 can be through the belt drive to make the right side of the rotating rod 603 rotation, the rotation of the rotating rod 603 makes the rotating disc 604 rotation, the rotating disc 604 rotation drive fixed on its surface fixed rod 605 rotation, the rotation of the fixed rod 605 can drive the connecting plate 610 movement, the movement of the connecting plate 610 can push the vertical rod 609 movement, so that the limiting sleeve 608 in the outer surface of the limiting rod 607 movement, can make the relative motion of the left and right limiting sleeve 608, in turn make the relative motion of the left and right ends of the clamping plate 611, can seal the gas pipe 5 between the sealing box cover 3.

[0036] It should be noted that in this paper, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment. Without more limitation, the element defined by the sentence "including a…" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A pressure vessel leak detection apparatus comprising a base plate (1) characterised in that: The left end of the upper surface of the bottom plate (1) is fixed with a transparent box (2), the upper surface of the transparent box (2) is placed with a sealing box cover (3), the right end of the upper surface of the bottom plate (1) is fixed with an air pump (4), the air outlet end of the air pump (4) is sealingly communicated with a gas guide pipe (5), the other end of the gas guide pipe (5) penetrates the sealing box cover (3) and extends to the inner cavity of the transparent box (2), the left end of the upper surface of the sealing box cover (3) is provided with a sealing mechanism (6) for sealing connection between the gas guide pipe (5) and the sealing box cover (3), the front and rear ends of the inner cavity of the transparent box (2) are both provided with a positioning mechanism (7) for positioning the pressure container; The sealing mechanism (6) comprises a placing cavity (601) opened in the left end of the upper surface of the sealing box cover (3), a motor (602) is fixed in the inner cavity of the placing cavity (601), rotating rods (603) are rotatably connected to the left and right ends of the upper surface of the sealing box cover (3) through bearings, a rotating disc (604) is fixed to the upper surface of the rotating rod (603), a fixed rod (605) is fixed to the upper surface of the rotating disc (604), fixed blocks (606) are fixed to the left and right ends of the upper surface of the sealing box cover (3), a limiting rod (607) is fixed between the opposite sides of the two fixed blocks (606), limiting sleeves (608) are slidably connected to the left and right ends of the outer surface of the limiting rod (607), a vertical rod (609) is fixed to the upper surface of the limiting sleeve (608), the same connecting plate (610) is rotatably installed on the outer surfaces of the vertical rod (609) and the fixed rod (605), clamping plates (611) are fixed to the opposite sides of the two limiting sleeves (608).

2. A pressure vessel leak detection apparatus according to claim 1, characterised in that: The left and right ends of the upper surface of the sealing box cover (3) are both fixed with handles, the lower surface of the sealing box cover (3) is fixed with a sealing block, the size of the sealing block is matched with the size of the inner cavity of the transparent box (2).

3. A pressure vessel leak detection apparatus according to claim 1, wherein: The output shaft of the motor (602) penetrates and extends to the upper side of the sealing box cover (3) and is fixed with the left rotating rod (603), and the left and right rotating rods (603) are connected through a belt drive.

4. A pressure vessel leak detection apparatus according to claim 1, wherein: The opposite sides of the two clamping plates (611) are both fixed with anti-skid concave plates, which are rubber plates.

5. A pressure vessel leak detection apparatus according to claim 1, wherein: The positioning mechanism (7) comprises positioning plates (701) arranged at the front and back ends of the inner cavity of the transparent box (2), two retaining blocks (702) fixed at the bottom of the left side wall of the inner cavity and the top and bottom of the right side wall of the inner cavity of the transparent box (2), a sliding rod (703) fixed between the opposite sides of the retaining blocks (702) on the left and right sides, a sliding plate (704) slidingly connected to the outer surface of the front and back ends of the sliding rod (703), the opposite sides of the sliding plates (704) on the left and right sides being respectively fixed with the two positioning plates (701), an installation box (705) fixed at the top of the left side wall of the inner cavity of the transparent box (2), a rotating gear (706) rotatably connected to the center between the opposite sides of the left and right side walls of the inner cavity of the installation box (705) through a bearing, a toothed plate (707) meshingly connected to the upper and lower sides of the rotating gear (706), a linkage frame (708) fixed to the opposite sides of the two toothed plates (707), and the right sides of the linkage frames (708) on the upper and lower ends penetrating and extending to the right side of the installation box (705) and being respectively fixed with the two positioning plates (701).

6. A pressure vessel leak detection apparatus according to claim 5, wherein: The left side of the transparent box (2) is fixed with a driving motor, the output shaft of the driving motor penetrating the transparent box (2) and extending to the inner cavity of the installation box (705) and being fixed at the center of the rotating gear (706).

7. A pressure vessel leak detection apparatus according to claim 5, wherein: The opposite sides of the linkage frames (708) on the upper and lower ends are respectively fixed with sliding blocks, sliding grooves are formed in the opposite sides of the inner top wall and the inner bottom wall of the installation box (705), and the sliding blocks make linear motion in the inner cavities of the sliding grooves.

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