A condenser tube sheet sealing detection device

Abstract

This utility model provides a condenser tube sheet sealing testing device, relating to the field of non-destructive testing technology. It includes a movable plate, a housing, and a rotating component. Four sets of casters are installed at the lower end of the movable plate, and a fixing component is installed at the upper rear side of the movable plate. The fixing component has a circular hole on its inner side, and a gas storage tank is fitted inside the circular hole. A movable component is fitted through a groove on a partition plate. The movable component has a circular hole at its center end, through which the front end of a thin flexible tube passes. This design utilizes the circular hole of the movable component to provide support and positioning for the thin flexible tube, preventing excessive bending, twisting, or compression during use, thus extending the service life of the thin flexible tube. It also ensures the normal working condition of the thin flexible tube and prevents damage to the tube from affecting the test results. This solves the problem of excessive bending and twisting of the gas tube during use in existing condenser tube sheet sealing testing devices.

Description

Technical Field

[0001] This utility model belongs to the field of non-destructive testing technology, and more specifically, it relates to a condenser tube sheet sealing testing device. Background Technology

[0002] A condenser tube sheet sealing test device is used to test the sealing performance of condenser tube sheets. The condenser is an important component of the refrigeration system, and its sealing performance directly affects safe use and lifespan. For condensers assembled with tube sheets and tube boxes, external sealing performance can be tested using traditional methods such as immersion in water, air pressure maintenance, and observing bubbles after applying soap solution. However, the sealing performance of internal heat exchange tubes, between tube sheets, and between the shell side and tube side is difficult to test using conventional methods. Therefore, a specialized testing device is needed to ensure its internal sealing performance and ensure the safe and reliable operation of the condenser. However, the gas pipes of commonly used condenser tube sheet sealing test devices may become excessively bent or twisted during use, affecting gas flow and testing. Therefore, a new type of condenser tube sheet sealing test device is needed. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a condenser tube sheet sealing detection device to solve the problem that the gas pipes of existing condenser tube sheet sealing detection devices may experience excessive bending or twisting during use.

[0004] This utility model discloses a condenser tube sheet sealing detection device, which is achieved by the following specific technical means: A condenser tube sheet sealing detection device includes a movable plate, a housing, and a rotating component; Four sets of casters are installed at the lower end of the movable plate, and a fixing component is installed at the upper rear side of the movable plate. The inner side of the fixing component has a round hole, and an air tank is inserted into the inner round hole of the fixing component. A handrail is fixedly connected to the upper end of the movable plate. A base plate is installed on the upper front side of the movable plate. The outer shell is placed on the upper part of the base plate at the upper front side of the movable plate, and the upper surface of the base plate is fixedly connected to the lower surface of the outer shell. A movable door panel A is provided on the front side of the outer shell, and a movable door panel B is provided on the rear side of the outer shell. A partition is fixedly connected to the interior of the rear side of the outer shell, and a positioning component is installed on the partition. A control screen is installed on the outer shell. A spring box is installed inside the rear side of the outer shell. An anti-slip sleeve is fitted on the outer side of the rotating component, and the two ends of the rotating component are respectively inserted into the inner side of the spring box and the positioning component.

[0005] Furthermore, the partition is provided with a connecting pipe that extends out of the outer shell, and a thick hose and a thin hose are respectively connected to both ends of the connecting pipe. The thick hose is connected to the gas storage tank.

[0006] Furthermore, the spring box contains a bearing, the inner surface of the bearing inner ring is fixedly connected to the outer surface of the rotating part, and a helical spring is provided inside the spring box. The center end of the helical spring is fixedly connected to the rotating part, and a thin hose is wrapped around the outside of the anti-slip sleeve.

[0007] Furthermore, a partition plate two is fixedly connected to the inner side of the outer shell. The partition plate two is provided with a sliding groove, and a movable part is fitted in the sliding groove of the partition plate two. The center end of the movable part is provided with a round hole, and the front end of the thin hose passes through the round hole at the center end of the movable part.

[0008] Furthermore, an ultrasonic sensor is installed at the front end of the thin tube, and the ultrasonic sensor is electrically connected to the control screen. A sealing cap is fitted on the outer side of the front end of the thin tube, and a sealing plug is provided at the center end of the sealing cap. A round hole is provided at the center end of the sealing plug, and the thin tube passes through the round hole at the center end of the sealing plug, with the outer side of the thin tube closely attached to the inner side of the sealing plug.

[0009] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model, by setting a helical spring, is advantageous because the helical spring is located inside the spring box, and the center end of the helical spring is fixedly connected to the rotating part. The helical spring drives the rotating part to rotate, thereby quickly retracting the extended thin hose.

[0010] 2. This utility model features a movable component that is fitted into a groove on the partition plate. The movable component has a round hole at its center end, through which the front end of the thin flexible tube passes. This design utilizes the round hole of the movable component to provide support and positioning for the thin flexible tube, preventing excessive bending, twisting, or compression of the thin flexible tube during use. This helps extend the service life of the thin flexible tube and ensures its normal working condition, preventing damage to the thin flexible tube from affecting the test results.

[0011] 3. This utility model incorporates an ultrasonic sensor, which is installed at the front end of a thin flexible tube and electrically connected to the control screen. This allows for the accurate detection of gas leaks in the cooler pipes, unaffected by factors such as gas color or transparency. The detection accuracy is high, and changes in the ultrasonic signal can accurately determine whether the tube sheet is properly sealed, enabling timely detection of even minor leaks. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a cross-sectional structural diagram of the outer shell of this utility model.

[0014] Figure 3 This is a schematic diagram of the inner rear structure of the outer shell of this utility model.

[0015] Figure 4 This is a cross-sectional structural diagram of the spring box of this utility model.

[0016] Figure 5 This is a cross-sectional structural schematic diagram of the partition plate 2 of this utility model.

[0017] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Movable plate; 2. Fixing component; 3. Handrail frame; 4. Gas tank; 5. Thick hose; 6. Connecting pipe; 7. Outer shell; 701. Partition 1; 8. Control screen; 9. Movable door panel A; 10. Movable door panel B; 11. Partition 2; 12. Spring box; 13. Rotating component; 14. Thin hose; 15. Positioning component; 16. Anti-slip sleeve; 17. Bearing; 18. Helical spring; 19. Movable component; 20. Sealing cover; 21. Ultrasonic sensor. Detailed Implementation

[0018] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0019] Example: As attached Figure 1 To be continued Figure 5 As shown: This utility model provides a condenser tube sheet sealing detection device, including a movable plate 1, a housing 7, and a rotating component 13; Four sets of casters are installed at the lower end of the movable plate 1, and a fixing part 2 is installed at the upper rear side of the movable plate 1. The inner side of the fixing part 2 has a round hole, and an air tank 4 is inserted into the inner round hole of the fixing part 2. The upper end of the movable plate 1 is fixedly connected to the handrail 3. The upper front side of the movable plate 1 is installed with a base plate. The outer shell 7 is placed on the upper part of the base plate at the upper front side of the movable plate 1, and the upper surface of the base plate is fixedly connected to the lower surface of the outer shell 7. The front side of the outer shell 7 is provided with a movable door panel A9, and the rear side of the outer shell 7 is provided with a movable door panel B10. The rear side of the outer shell 7 is fixedly connected with a partition 701, and a positioning part 15 is installed on the partition 701. The outer shell 7 is equipped with a control screen 8. The rear side of the outer shell 7 is installed with a spring box 12. The outer side of the rotating part 13 is fitted with an anti-slip sleeve 16, and the two ends of the rotating part 13 are respectively inserted into the inner side of the spring box 12 and the positioning part 15.

[0020] Among them, such as Figure 3As shown, a connecting pipe 6 is provided on the partition 701. The connecting pipe 6 extends out of the outer shell 7, and a thick hose 5 and a thin hose 14 are respectively connected to both ends of the connecting pipe 6. The thick hose 5 is connected to the gas storage tank 4. An electrically controlled valve is installed on the connecting pipe 6, and the opening and closing of the electrically controlled valve is controlled by the control screen 8 to adjust the flow rate of gas entering the cooler pipeline, so as to meet different testing requirements and realize the effective testing of the sealing performance of the condenser tube sheet.

[0021] Among them, such as Figure 4 As shown, a bearing 17 is installed inside the spring box 12. The inner surface of the inner ring of the bearing 17 is fixedly connected to the outer surface of the rotating part 13. A helical spring 18 is provided inside the spring box 12. The center end of the helical spring 18 is fixedly connected to the rotating part 13. The thin hose 14 is wrapped around the outside of the anti-slip sleeve 16. The rotating part 13 is driven to rotate by the helical spring 18, and the extended thin hose 14 is retracted. The bearing 17 enables the rotating part 13 to rotate flexibly, reducing frictional resistance and ensuring that it can rotate smoothly during operation, which is beneficial to improving the operating stability and reliability of the rotating part 13.

[0022] Among them, such as Figure 5 As shown, a partition plate 2 11 is fixedly connected to the inner side of the outer shell 7. The partition plate 2 11 is provided with a sliding groove, and a movable part 19 is fitted in the sliding groove of the partition plate 2 11. The center end of the movable part 19 is provided with a round hole. The front end of the thin hose 14 passes through the round hole at the center end of the movable part 19. The round hole of the movable part 19 provides support and positioning for the thin hose 14, preventing the thin hose 14 from being excessively bent, twisted or squeezed during use, which helps to extend the service life of the thin hose 14. At the same time, it can also ensure the normal working state of the thin hose 14, prevent the detection results from being affected by the damage to the thin hose 14. Furthermore, when the rotating part 13 rotates, it can guide the thin hose 14 to be neatly wound and released, avoiding the thin hose 14 from being messy and tangled, ensuring the smoothness of gas transmission, and thus ensuring the normal operation of this utility model.

[0023] Among them, such as Figure 5As shown, an ultrasonic sensor 21 is installed at the front end of the thin flexible tube 14. The ultrasonic sensor 21 is electrically connected to the control screen 8. A sealing cap 20 is fitted on the outer side of the front end of the thin flexible tube 14. A sealing plug is provided at the center end of the sealing cap 20, and a round hole is provided at the center end of the sealing plug. The thin flexible tube 14 passes through the round hole at the center end of the sealing plug, with the outer side of the thin flexible tube 14 tightly against the inner side of the sealing plug. The thin flexible tube 14 is inserted into the cooler pipe, and the sealing cap 20 is snapped onto the cooler pipe. The ultrasonic sensor 21 can accurately detect gas leaks in the cooler pipe, and is not affected by factors such as gas color and transparency. It has high detection accuracy. By detecting changes in ultrasonic signals, it can accurately determine whether the tube sheet is well sealed and detect minor leaks in time. At the same time, the sealing structure can ensure the sealing of the connection between the thin flexible tube 14 and the sealing plug 20, prevent external air from entering the detection area, avoid interference with the detection results, and ensure the stability and accuracy of the detection environment.

[0024] The specific usage and function of this embodiment are as follows: like Figures 1 to 5 As shown, in this utility model, an electrically controlled valve is installed on the connecting pipe 6, and the opening and closing of the electrically controlled valve is controlled by the control screen 8 to adjust the flow rate of gas entering the cooler pipe, so as to meet different testing requirements and realize the effective testing of the sealing performance of the condenser tube sheet. The bearing 17 is used to enable the rotating part 13 to rotate flexibly, reduce frictional resistance, and ensure that it can rotate smoothly during operation, which is beneficial to improving the operational stability and reliability of the rotating part 13. The thin hose 14 is inserted into the cooler pipe, and the sealing cap 20 is clamped on the cooler pipe. The ultrasonic sensor 21 can accurately detect gas leakage in the cooler pipe, which is not affected by factors such as gas color and transparency. The detection accuracy is high. By detecting changes in ultrasonic signals, the tube sheet sealing can be accurately judged, and minute leaks can be detected in time. At the same time, the sealing structure can ensure the connection between the thin hose 14 and the sealing plug 20, prevent external air from entering the detection area, avoid interference with the detection results, and ensure the stability and accuracy of the detection environment.

[0025] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. A condenser tube sheet sealing detection device, characterized in that: It includes a movable plate (1), a shell (7), and a rotating part (13); The lower end of the movable plate (1) is equipped with four sets of casters, and a fixing part (2) is installed on the upper rear side of the movable plate (1). The inner side of the fixing part (2) is provided with a round hole, and a gas tank (4) is inserted into the inner round hole of the fixing part (2). The upper end of the movable plate (1) is fixedly connected with a handrail (3). The upper front side of the movable plate (1) is equipped with a base plate. The outer shell (7) is placed on the upper part of the base plate on the upper front side of the movable plate (1), and the upper surface of the base plate is fixedly connected to the lower surface of the outer shell (7). The front side of the outer shell (7) The outer shell (7) is provided with a movable door panel A (9), and a movable door panel B (10) is provided on the rear side of the outer shell (7). A partition (701) is fixedly connected to the rear side of the outer shell (7), and a positioning component (15) is installed on the partition (701). A control screen (8) is installed on the outer shell (7), and a spring box (12) is installed on the rear side of the outer shell (7). An anti-slip sleeve (16) is fitted on the outer side of the rotating component (13), and the two ends of the rotating component (13) are respectively clamped on the inner side of the spring box (12) and the positioning component (15).

2. The condenser tube sheet sealing detection device as described in claim 1, characterized in that: The partition (701) is provided with a connecting pipe (6), which extends out of the outer shell (7) and is connected to a thick hose (5) and a thin hose (14) at both ends of the connecting pipe (6). The thick hose (5) is connected to the gas storage tank (4).

3. The condenser tube sheet sealing detection device as described in claim 1, characterized in that: The spring box (12) is fitted with a bearing (17), the inner surface of the inner ring of the bearing (17) is fixedly connected to the outer surface of the rotating part (13), and a helical spring (18) is provided inside the spring box (12). The center end of the helical spring (18) is fixedly connected to the rotating part (13), and a thin hose (14) is wrapped around the outside of the anti-slip sleeve (16).

4. The condenser tube sheet sealing detection device as described in claim 1, characterized in that: The inner side of the outer shell (7) is fixedly connected to a partition plate (11). The partition plate (11) is provided with a sliding groove, and a movable part (19) is fitted in the sliding groove of the partition plate (11). The center end of the movable part (19) is provided with a round hole, and the front end of the thin hose (14) passes through the round hole at the center end of the movable part (19).

5. The condenser tube sheet sealing detection device as described in claim 4, characterized in that: An ultrasonic sensor (21) is installed at the front end of the thin flexible tube (14). The ultrasonic sensor (21) is electrically connected to the control screen (8). A sealing cap (20) is fitted on the outer side of the front end of the thin flexible tube (14). A sealing plug is provided at the center end of the sealing cap (20). A round hole is provided at the center end of the sealing plug. The thin flexible tube (14) passes through the round hole at the center end of the sealing plug. The outer side of the thin flexible tube (14) is in close contact with the inner side of the sealing plug.

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