CN118603435A - A rapid gas leakage detection device for pressure vessels - Google Patents

Abstract

The present invention discloses a pressure vessel rapid gas leakage detection device, comprising a support frame and a detection cylinder rotatably arranged inside the support frame, and a container body is movably arranged inside the detection cylinder, a water storage cylinder is fixedly arranged at the bottom of the inner wall of the detection cylinder, and a filter plate is fixedly arranged on the inner wall of the water storage cylinder, the bottom surface of the container body contacts the top surface of the filter plate, and a gas leakage detection mechanism is arranged inside the detection cylinder; the gas leakage detection mechanism comprises a fixed rod slidably arranged on both sides of the inner part of the detection cylinder, and a fixed cylinder is fixedly arranged at the top of the fixed rod. The present invention relates to the field of pressure vessel detection technology. The pressure vessel rapid gas leakage detection device, through the setting of the gas leakage detection mechanism, can not only perform all-round gas leakage detection on the container body, but also mark the gas leakage position in a range, so that subsequent personnel can query the precise gas leakage position within the marked range, creating good conditions for subsequent maintenance and treatment of the container body.

Description

A rapid gas leakage detection device for pressure vessels

Technical Field

The invention relates to the technical field of pressure vessels, in particular to a rapid gas leakage detection device for pressure vessels.

Background Art

A pressure vessel is a closed device that can contain gas or liquid and has the ability to bear the internal pressure. In order to ensure the sealing performance of the pressure vessel, it is necessary to conduct airtightness testing on it during the production process of the pressure vessel.

According to the patent application number CN202122192593.4, the pressure vessel rapid air leakage detection device is convenient for driving the detection sleeve to connect with the pressure vessel by arranging an operating table, a support plate, a first electric telescopic rod and a detection sleeve, and inflating and pressurizing the pressure vessel through the air intake pipe, and then judging whether the pressure vessel is leaking by the indicator light, so as to facilitate the staff to quickly perform air leakage detection on the pressure vessel and improve the efficiency of the detection work; the pressure vessel rapid air leakage detection device is convenient for clamping and fixing pressure vessels of different sizes by arranging a second electric telescopic rod, a clamping block and a clamping groove, so that the detection device is suitable for detecting pressure vessels of different sizes, thereby improving the scope of application of the detection device and having certain practical value;

When the above patent performs leakage detection on a pressure vessel, it can only determine whether the container has a leakage phenomenon, but it is difficult to know the specific location of the leakage. After taking out the pressure vessel, personnel are required to find the leakage location, which is inconvenient. In addition, it is easy to misjudge the leakage location of the pressure vessel due to hand shaking during the taking process, which affects the detection accuracy. Therefore, in view of the above shortcomings, the present invention makes the following improvements.

Summary of the invention

1. Technical issues to be solved

In view of the deficiencies in the prior art, the present invention provides a rapid gas leakage detection device for a pressure vessel, which solves the problems mentioned in the background technology.

(II) Technical solution

To achieve the above objectives, the present invention is implemented through the following technical solutions: a pressure vessel rapid gas leakage detection device, comprising a support frame and a detection cylinder rotatably arranged inside the support frame, wherein a container body is movably arranged inside the detection cylinder, a water storage cylinder is fixedly arranged at the bottom of the inner wall of the detection cylinder, and a filter plate is fixedly arranged on the inner wall of the water storage cylinder, the bottom surface of the container body contacts the top surface of the filter plate, and a gas leakage detection mechanism is arranged inside the detection cylinder;

The air leakage detection mechanism includes a fixed rod which is slidably arranged on both sides of the detection cylinder up and down, and a fixed cylinder is fixedly arranged on the top of the fixed rod, a fan blade is rotatably arranged inside the fixed cylinder, a rotating disk is rotatably arranged at one end of the fixed cylinder, and a first electric push rod is fixedly arranged on the top of one side of the rotating disk, a mounting block is fixedly arranged on the protruding end of the first electric push rod, and a marking pen is connected to the internal thread of the mounting block, and a control unit for driving the rotating disk to rotate is arranged on the surface of the fixed rod.

Preferably, the control unit includes a first motor fixedly arranged on the surface of the fixed rod, and one end of the output shaft of the first motor is fixedly connected to a gear through a coupling, and the surface of the rotating disk is fixedly provided with teeth meshing with the gear.

Preferably, a base plate is fixedly provided at the bottom of the support frame through support legs, and a second motor is rotatably provided inside the base plate, a threaded rod is fixedly provided at one end of the output shaft of the second motor through a coupling, the top end of the threaded rod is rotatably connected to the bottom end of the detection tube through a bearing, a sliding plate is threadedly connected to the surface of the threaded rod, and the bottom end of the fixed rod is fixedly connected to the top surface of the sliding plate.

Preferably, the front of the water storage cylinder is connected to a water inlet pipe, one side of the bottom surface of the water storage cylinder is connected to a water outlet pipe, and one-way valves are fixedly provided inside the water outlet pipe and the water inlet pipe.

Preferably, a third motor is fixedly provided on the surface of the support leg on the right side via a support rod, and a driving gear is fixedly provided on one end of the output shaft of the third motor via a coupling, and a passive gear meshing with the driving gear is fixedly provided on the surface of the detection cylinder.

Preferably, a top cover is provided at the top of the detection cylinder, and second electric push rods are fixedly provided on both sides of the top surface of the top cover, a movable plate is provided on the top of the top cover, the protruding end of the second electric push rod is fixedly connected to the bottom of the movable plate, a sealing plate is fixedly provided at the bottom of the movable plate through a vertical rod, an inflation tube is fixedly provided inside the movable plate, and the bottom end of the inflation tube passes through the sealing plate and extends to the interior of the container body.

Preferably, a clamping mechanism is provided on the surface of the detection cylinder, and the clamping mechanism includes an L-shaped rod fixedly provided on both sides of the surface of the detection cylinder, the surface of the L-shaped rod is movably provided with a clamping plate and an annular plate, and a buffer spring is fixedly provided at the top end of the L-shaped rod through a baffle, and the bottom end of the buffer spring is fixedly connected to the top surface of the annular plate.

(III) Beneficial effects

The present invention provides a pressure vessel rapid gas leakage detection device, which has the following beneficial effects:

(1) The pressure vessel rapid leakage detection device, through the setting of the leakage detection mechanism, can not only perform all-round leakage detection on the container body, but also mark the leakage position within a range, so that subsequent personnel can query the precise leakage position within the marked range, thereby creating good conditions for subsequent maintenance and treatment of the container body and reducing the intensity of personnel.

(2) The pressure vessel rapid gas leakage detection device can realize the compression and sealing operation of the top cover by setting the compression mechanism, thereby avoiding the phenomenon of overflow of the detection gas during the gas leakage detection.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a perspective view of the structure of the present invention;

FIG2 is a cross-sectional view of the detection tube structure of the present invention;

FIG3 is a partial schematic diagram of the air leakage detection mechanism of the present invention;

FIG. 4 is a partial enlarged view of point A in FIG. 1 of the present invention.

In the figure: 1. support frame; 2. detection cylinder; 3. water storage cylinder; 4. filter plate; 5. leakage detection mechanism; 51. fixing rod; 52. fixing cylinder; 53. fan blade; 54. rotating disk; 55. first electric push rod; 56. mounting block; 57. first motor; 58. marking pen; 59. gear; 510. second motor; 511. threaded rod; 512. sliding plate; 6. water inlet pipe; 7. water outlet pipe; 8. third motor; 9. driving gear; 10. driven gear; 11. top cover; 12. second electric push rod; 13. movable plate; 14. sealing plate; 15. inflation tube; 16. clamping mechanism; 161. L-shaped rod; 162. clamping plate; 163. annular plate; 164. buffer spring.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Embodiment 1

Please refer to Figures 1 to 3, the present invention provides a technical solution, and the specific improvements are as follows:

A rapid gas leakage detection device for a pressure vessel comprises a support frame 1 and a detection cylinder 2 rotatably arranged inside the support frame 1, and a container body is movably arranged inside the detection cylinder 2, a second motor 510 is fixedly arranged on the surface of the support leg located on the right side through a support rod, and a driving gear 9 is fixedly arranged on one end of the output shaft of the second motor 510 through a coupling, a passive gear 10 meshing with the driving gear 9 is fixedly arranged on the surface of the detection cylinder 2, a top cover 11 is arranged on the top of the detection cylinder 2, and second electric push rods 12 are fixedly arranged on both sides of the top surface of the top cover 11, a through groove adapted to the detection cylinder 2 is opened in the middle of the top cover 11, and a sealing ring is fixedly arranged on the inner wall of the through groove, a movable plate 13 is arranged on the top of the top cover 11, and the second electric push rod 12 is fixedly arranged on the top of the top cover 11. The extended end of the movable push rod 12 is fixedly connected to the bottom of the movable plate 13, and a sealing plate 14 is fixedly provided at the bottom of the movable plate 13 through a vertical rod. An inflation tube 15 is fixedly provided inside the movable plate 13, and a check valve is provided inside the inflation tube 15. The bottom end of the inflation tube 15 passes through the sealing plate 14 and extends to the inside of the container body. The external detection gas is transported to the inside of the container body through the inflation tube 15, so as to facilitate the subsequent leakage detection work. A water storage cylinder 3 is fixedly provided at the bottom of the inner wall of the detection cylinder 2, and a filter plate 4 is fixedly provided on the inner wall of the water storage cylinder 3. A sealing gasket is provided on the inner wall of the water storage cylinder 3 and on the surface of the detection cylinder 2. The front of the water storage cylinder 3 is connected with a water inlet pipe 6, and one side of the bottom surface of the water storage cylinder 3 is connected with a water outlet pipe 7, and the water outlet pipe 7 and A one-way valve is fixedly provided inside the water inlet pipe 6. The bottom surface of the container body contacts the top surface of the filter plate 4. A gas leakage detection mechanism 5 is provided inside the detection cylinder 2. The gas leakage detection mechanism 5 includes a fixed rod 51 which is slidably provided on both sides of the detection cylinder 2, and a fixed cylinder 52 is fixedly provided on the top of the fixed rod 51. The water storage cylinder 3, the fixed cylinder 52 and the detection cylinder 2 are all made of transparent materials. A bottom plate is fixedly provided at the bottom of the support frame 1 through a supporting leg, and a second motor 510 is rotatably provided inside the bottom plate. A threaded rod 511 is fixedly provided at one end of the output shaft of the second motor 510 through a coupling. The top of the threaded rod 511 is rotatably connected to the bottom end of the detection cylinder 2 through a bearing, and the surface of the threaded rod 511 is threadedly connected with Sliding plate 512, the bottom end of the fixed rod 51 is fixedly connected to the top surface of the sliding plate 512, the fixed cylinder 52 is rotatably provided with a fan blade 53, one end of the fixed cylinder 52 is rotatably provided with a rotating disk 54, and a first electric push rod 55 is fixedly provided on the top of one side of the rotating disk 54, the protruding end of the first electric push rod 55 is fixedly provided with a mounting block 56, and the internal thread of the mounting block 56 is connected with a marking pen 58, the surface of the fixed rod 51 is provided with a control unit for driving the rotating disk 54 to rotate, the control unit includes a first motor 57 fixedly provided on the surface of the fixed rod 51, and one end of the output shaft of the first motor 57 is fixedly connected with a gear 59 through a coupling, and the surface of the rotating disk 54 is fixedly provided with teeth meshing with the gear 59;

Take the top cover 11 upward from the top of the detection tube 2, so that it is convenient for personnel to insert the container body into the detection tube 2, and make the bottom surface of the container body contact with the top surface of the filter plate 4. After it is placed stably, put the top cover 11 on the top surface of the container body, start the second electric push rod 12, so that the extended end of the second electric push rod 12 drives the movable plate 13 to move downward, and the movable plate 13 drives the sealing plate 14 to descend through the vertical rod, so as to seal the top of the container body to prevent air leakage;

The bottom surface of the container body is tested for air leakage in advance, water is delivered to the inside of the water storage cylinder 3 through the water inlet pipe 6, and the detection gas is delivered to the inside of the detection cylinder 2 through the inflation pipe 15. After the water storage cylinder 3 is filled with air, it is observed whether there are bubbles inside the water storage cylinder 3. If there are bubbles, it means that there is an air leakage position on the bottom surface of the container body. If not, it is determined that there is no air leakage on the bottom surface of the container body. After the bottom surface of the container body is tested, the water inside the water storage cylinder 3 is discharged through the water outlet pipe 7;

Then, the surface of the container body is tested for air leakage, that is, the second motor 510 is started, so that the second motor 510 drives the threaded rod 511 to rotate, and the threaded rod 511 drives the sliding plate 512 to move downward during the rotation, and the sliding plate 512 drives the vertical rod to move downward synchronously. After each movement of a certain distance, it is left to stand for a while to observe whether the fan blades inside the fixed cylinder 52 rotate. When the fan blades rotate, it means that there is an air leakage at the position of the detection cylinder 2 corresponding to the fixed cylinder 52, and the first motor 57 and the first electric push rod 55 are started. The extended end of the first electric push rod 55 controls the marking pen 58 to contact with the surface of the detection cylinder 2, and the first motor 57 drives the gear 59 to rotate. The gear 59 drives the rotating disk 54 to rotate through the meshing of the teeth, thereby driving the marking pen 58 to rotate, and the air leakage position can be circled and marked;

Start the third motor 8, so that the third motor 8 drives the entire detection cylinder 2 to rotate through the active gear 9 and the passive gear 10, and controls the detection cylinder 2 to rotate uniformly and slowly. During the rotation, the second motor 510 rotates inside the bottom plate. At this time, the container body is in a static state, and the fixed cylinder 52 rotates with the rotation of the detection cylinder 2, and cooperates with the up and down movement of the fixed rod 51. The fixed rod 51 moves uniformly and slowly, so that each position on the surface of the container body is detected, and the leakage position is marked with a marker pen 58, so that subsequent personnel can easily check and carry out subsequent processing.

Embodiment 2

Based on the first embodiment, please refer to FIG. 1 and FIG. 4 , the specific improvements are as follows:

The surface of the detection tube 2 is provided with a clamping mechanism 16, and the clamping mechanism 16 includes an L-shaped rod 161 fixedly provided on both sides of the surface of the detection tube 2, and the surface of the L-shaped rod 161 is movably provided with a clamping plate 162 and an annular plate 163, and a buffer spring 164 is fixedly provided at the top of the L-shaped rod 161 through a baffle, and the bottom end of the buffer spring 164 is fixedly connected to the top surface of the annular plate 163;

After the top cover 11 is pressed against the top of the detection tube 2, the pressing plate 162 is rotated so that the pressing plate 162 rotates along the surface of the L-shaped rod 161 and is pressed against the top surface of the pressing plate 162 under the action of the buffer spring 164, thereby achieving sealing of the pressing plate 162.

Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a quick gas leakage detection device of pressure vessel, includes support frame (1) and rotates and set up in the inside detection section of thick bamboo (2) of support frame (1), and the inside activity of detection section of thick bamboo (2) is provided with the container body, its characterized in that: the bottom of the inner wall of the detection cylinder (2) is fixedly provided with a water storage cylinder (3), the inner wall of the water storage cylinder (3) is fixedly provided with a filter plate (4), the bottom surface of the container body is contacted with the top surface of the filter plate (4), and the inside of the detection cylinder (2) is provided with an air leakage detection mechanism (5);

The utility model provides a leak detection mechanism (5) is including sliding up and down setting up in dead lever (51) of detecting the inside both sides of section of thick bamboo (2), and the fixed section of thick bamboo (52) that is provided with in top of dead lever (51), the inside rotation of fixed section of thick bamboo (52) is provided with flabellum (53), the one end rotation of fixed section of thick bamboo (52) is provided with rolling disc (54), and the fixed first electric putter (55) that is provided with in top of rolling disc (54) one side, the fixed installation piece (56) that is provided with in extension end of first electric putter (55), and the inside threaded connection of installation piece (56) has marker (58), the surface of dead lever (51) is provided with the rotatory control portion of being used for driving rolling disc (54).

2. A rapid leak detection apparatus for a pressure vessel as defined in claim 1, wherein: the control part comprises a first motor (57) fixedly arranged on the surface of the fixed rod (51), one end of an output shaft of the first motor (57) is fixedly connected with a gear (59) through a coupler, and teeth meshed with the gear (59) are fixedly arranged on the surface of the rotating disc (54).

3. A rapid leak detection apparatus for a pressure vessel as defined in claim 1, wherein: the bottom of support frame (1) is provided with the bottom plate through the supporting leg is fixed, and the inside rotation of bottom plate is provided with second motor (510), the one end of second motor (510) output shaft is provided with threaded rod (511) through the shaft coupling is fixed, the top of threaded rod (511) is rotated with the bottom of detecting section of thick bamboo (2) through the bearing and is connected, the surface threaded connection of threaded rod (511) has sliding plate (512), the top surface fixed connection of the bottom of dead lever (51) and sliding plate (512).

4. A rapid leak detection apparatus for a pressure vessel as defined in claim 1, wherein: the front of the water storage cylinder (3) is communicated with a water inlet pipe (6), one side of the bottom of the water storage cylinder (3) is communicated with a water outlet pipe (7), and check valves are fixedly arranged in the water outlet pipe (7) and the water inlet pipe (6).

5. A rapid leak detection apparatus for a pressure vessel as defined in claim 3, wherein: the surface that is located the right side the supporting leg is provided with third motor (8) through the bracing piece is fixed, and the one end of third motor (8) output shaft is provided with driving gear (9) through the shaft coupling is fixed, the fixed passive gear (10) that are provided with driving gear (9) meshing of surface of detecting section of thick bamboo (2).

6. A rapid leak detection apparatus for a pressure vessel as defined in claim 1, wherein: the top of detecting cylinder (2) is provided with top cap (11), and the both sides of top cap (11) top surface are all fixed to be provided with second electric putter (12), the top of top cap (11) is provided with fly leaf (13), the bottom fixed connection of the end that stretches out of second electric putter (12) and fly leaf (13), the bottom of fly leaf (13) is provided with closing plate (14) through the montant is fixed, the inside of fly leaf (13) is fixedly provided with gas tube (15), and the bottom of gas tube (15) runs through closing plate (14) and extends to the inside of container body.

7. A rapid leak detection apparatus for a pressure vessel as defined in claim 1, wherein: the surface of detection section of thick bamboo (2) is provided with hold-down mechanism (16), and hold-down mechanism (16) are including fixed L shape pole (161) that set up in detection section of thick bamboo (2) surface both sides, the surface of L shape pole (161) all activity is provided with clamp plate (162) and annular plate (163), and the top of L shape pole (161) is provided with buffer spring (164) through the baffle is fixed, the top surface fixed connection of buffer spring (164) bottom and annular plate (163).