CN220153831U - Tightness testing device of exchanger - Google Patents
Tightness testing device of exchanger Download PDFInfo
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- CN220153831U CN220153831U CN202320963697.7U CN202320963697U CN220153831U CN 220153831 U CN220153831 U CN 220153831U CN 202320963697 U CN202320963697 U CN 202320963697U CN 220153831 U CN220153831 U CN 220153831U
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model relates to the field of tightness test of an exchanger, in particular to a tightness test device of the exchanger, which comprises a test bench, wherein two groups of movable plates are symmetrically arranged on two sides above the test bench, a plurality of groups of positioning plates are arranged on one side, close to each other, of the two groups of movable plates at equal intervals, a sealing ring is fixed on the surface of each positioning plate, a detection assembly is arranged on one side, far away from each other, of each group of movable plates, each detection assembly comprises a pressure gauge and an inflation part, air with certain air pressure is introduced into the exchanger through the inflation part, the air pressure at a detection pipe is detected by the pressure gauge, the air pressure value at the moment is recorded, the air pressure value on the pressure gauge is observed and recorded again after a period of time, the air pressure values recorded twice are compared, if the air pressure value is unchanged, the air tightness of the exchanger is qualified, if the air pressure value is changed, the air tightness of the exchanger is poor, the air tightness of the exchanger is disqualified, the accuracy of detection is greatly improved, and the original manual visual error is avoided.
Description
Technical Field
The utility model relates to the field of tightness test of exchangers, in particular to a tightness test device of an exchanger.
Background
The heat exchanger is a device for transferring heat from a hot fluid to a cold fluid to meet the specified process requirements, and is an industrial application of convection heat transfer and heat conduction, and in order to ensure the quality of the heat exchanger, a tightness detection device is required to perform tightness detection on the heat exchanger.
The prior patent publication No. CN218566791U discloses a heat exchanger air tightness detection device, wherein a servo motor controls a bidirectional screw rod to rotate, so that two clamping plates are contracted inwards, a workpiece is clamped, after the clamping is finished, the workpiece is moved to the inside of a water tank through the driving of a first driving motor and a second driving motor, whether bubbles appear in the soaking process of the internal workpiece can be observed in real time through an observation window arranged on one side of the water tank, and then the air tightness detection work of the workpiece is finished.
The above-mentioned gas tightness detection device, whether need the manual observation aquatic appear bubble and judge heat exchanger's sealing performance, the test accuracy is lower, appears the circumstances of the mistake of manual visual inspection easily, influences detection structure, and foretell gas tightness detection device can only carry out sealing performance's detection to a set of exchanger once simultaneously, can't realize detecting in batches, and detection efficiency is low, to this problem, now provides a sealing test device of exchanger.
Disclosure of Invention
The utility model aims to provide a tightness testing device of an exchanger, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the tightness testing device of the exchanger comprises a testing table, wherein two groups of moving plates are symmetrically arranged on two sides above the testing table, a plurality of groups of positioning plates used for fixing the exchanger are equidistantly arranged on one side, close to each other, of the two groups of moving plates, and sealing rings are fixed on the surfaces of the positioning plates;
one side of each of the two groups of moving plates, which is far away from each other, is provided with a detection component for testing the tightness of the exchanger, and the detection component comprises a pressure gauge and an inflation part;
and a moving assembly for driving the two groups of moving plates to move relatively is arranged below the test bench.
As a further scheme of the utility model: the middle part of locating plate is equipped with the through-hole, sealing washer, movable plate setting are run through at the both ends of through-hole, and one side that one set of movable plate kept away from the locating plate is equipped with the detection pipe with the through-hole intercommunication, the manometer install in on the detection pipe.
As a further scheme of the utility model: the inflating part comprises a conveying pipe and a hose;
the conveying pipe is positioned at one side of the other group of moving plates, which is far away from the positioning plate, the two ends of the conveying pipe are sleeved with a pipeline fixing frame for installing the conveying pipe, and the bottom end of the pipeline fixing frame is fixed at the top end of the test bench;
the hose is equipped with the multiunit, just the both ends of hose communicate with through-hole, conveyer pipe respectively, every group all install the check valve on the hose.
As a further scheme of the utility model: the moving assembly comprises a moving frame, a moving seat, an electric push rod and a connecting rod;
the movable frames are provided with two groups of movable plates which are respectively fixed on one sides of the two groups of movable plates, which are far away from each other, the movable seat is slidably arranged on the bottom end surface of the test bench, two groups of connecting rods are hinged on the movable seat, and the other ends of the two groups of connecting rods are respectively hinged with the two groups of movable frames;
the electric putter is fixed in the bottom of testboard, electric putter's stiff end and testboard fixed connection, electric putter's output and removal seat fixed connection.
As a further scheme of the utility model: two groups of guide rods are symmetrically arranged on one side, far away from the positioning plate, of the moving plate, a guide seat is fixed at the position, corresponding to the guide rods, of the upper side of the test table, and one end of each guide rod extends into the guide seat and is in sliding connection with the guide seat.
As a further scheme of the utility model: the bottom end surfaces of the positioning plates are respectively fixed with an exchanger convenient to place.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the tightness testing device for the exchanger, the two ends of the exchanger can be plugged by the aid of the two groups of sealing rings, gas with certain gas pressure is introduced into the exchanger through the charging part, the gas pressure at the detection pipe is detected by the aid of the pressure gauge, the gas pressure value at the moment is recorded, the gas pressure value at the moment is observed after a period of time and recorded again, the gas pressure values recorded twice are compared, if the gas pressure value is unchanged, the air tightness of the exchanger is qualified, if the gas pressure value is changed, the tightness of the exchanger is poor, the air tightness of the exchanger is unqualified, the detection accuracy is greatly improved, and visual errors of original manual visual inspection are avoided.
2. According to the tightness testing device for the exchangers, the plurality of groups of positioning plates are arranged, so that the plurality of groups of exchangers can be clamped in a sealing mode at the same time, the plurality of groups of exchangers can be detected at the same time, batch detection is facilitated, the detection efficiency is effectively improved, and the practicability is high.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of a moving assembly according to the present utility model.
FIG. 3 is a schematic diagram of a test bench according to the present utility model.
Fig. 4 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.
Fig. 5 is an enlarged schematic view of the portion B of fig. 1 according to the present utility model.
Wherein: 11. a test bench; 12. a moving plate; 13. a positioning plate; 14. a seal ring; 15. a storage plate; 16. a moving rack; 17. a movable seat; 18. an electric push rod; 19. a connecting rod; 20. an avoidance groove; 21. a guide seat; 22. a guide rod; 23. a through hole; 24. a detection tube; 25. a pressure gauge; 26. a hose; 27. a one-way valve; 28. a delivery tube; 29. a pipe fixing frame; 30. and (3) rolling balls.
Description of the embodiments
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The present utility model provides the following preferred embodiments:
1-5, a tightness testing device for an exchanger comprises a testing table 11, wherein two groups of movable plates 12 are symmetrically arranged on two sides above the testing table 11, a plurality of groups of positioning plates 13 used for fixing the exchanger are equidistantly arranged on one sides, close to each other, of the two groups of movable plates 12, a sealing ring 14 is fixed on the surface of the positioning plates 13, and the plurality of groups of positioning plates 13 are arranged to seal and clamp the plurality of groups of exchangers at the same time, so that the plurality of groups of exchangers can be detected at the same time, batch detection is facilitated, detection efficiency is effectively improved, and practicability is high;
the two groups of moving plates 12 are respectively provided with a detection component for testing the tightness of the exchanger, and the detection components comprise a pressure gauge 25 and an inflation part;
a moving assembly for driving the two groups of moving plates 12 to move relatively is arranged below the test table 11;
when the device is used, when the tightness of the exchanger is required to be detected, the exchanger is placed between the two groups of moving plates 12, the two ends of the exchanger are aligned with the two groups of positioning plates 13 at proper positions, the two groups of moving plates 12 are driven to be close to each other by the moving assembly, and the two groups of positioning plates 13 move towards the direction of the exchanger, so that the two ends of the exchanger can be contacted with the sealing rings 14, and the two ends of the exchanger are sealed by the sealing rings 14, so that the situation that the sealing between the exchanger and the device cannot be realized, and the detection result is affected is avoided;
and then the gas with certain air pressure is introduced into the exchanger by utilizing the inflating part, the air pressure at the position of the detecting tube 24 is detected by utilizing the pressure gauge 25, the air pressure value at the moment is recorded, the air pressure value on the pressure gauge 25 is observed and recorded again after a period of time, the air pressure values recorded twice are compared, if the air pressure value is unchanged, the air tightness of the exchanger is qualified, and if the air pressure value is changed, the tightness of the exchanger is poor, the air tightness of the exchanger is unqualified, the detection accuracy is greatly improved, and the visual error of the original manual visual inspection is avoided.
As shown in fig. 4-5, a through hole 23 is formed in the middle of the positioning plate 13, two ends of the through hole 23 penetrate through the sealing ring 14 and the moving plate 12, a detection tube 24 communicated with the through hole 23 is arranged on one side, away from the positioning plate 13, of one group of moving plates 12, and the pressure gauge 25 is mounted on the detection tube 24.
The inflatable portion includes a delivery tube 28 and a hose 26;
the conveying pipe 28 is located at one side of the other group of moving plates 12 far away from the positioning plate 13, two ends of the conveying pipe 28 are respectively sleeved with a pipeline fixing frame 29 for installing the conveying pipe 28, the bottom end of the pipeline fixing frame 29 is fixed at the top end of the test bench 11, the pipeline fixing frame 29 is used for installing the conveying pipe 28, and at the moment, the fact that the conveying pipe 28 does not influence the normal movement of the moving plates 12 in actual use is needed, and meanwhile, the communication of a channel between the conveying pipe 28 and the through hole 23 can be always maintained under the connection of the hose 26;
the hoses 26 are provided with a plurality of groups, two ends of each hose 26 are respectively communicated with the through holes 23 and the conveying pipe 28, each group of hoses 26 is provided with a one-way valve 27, and the one-way valves 27 are used for preventing gas from flowing back and affecting the detection result, so that the accuracy of the detection result is further improved;
when the tightness of the exchanger is detected, the two ends of the exchanger extend into the two groups of through holes 23, so that the through holes 23, the detection pipe 24 and the exchanger can form a mutually communicated channel, and meanwhile, the sealing ring 14 is utilized to enable the ends of the exchanger to be arranged with the positioning plate 13 in a sealing way, so that the through holes 23, the detection pipe 24 and the exchanger form a sealed channel;
when the sealing detection is carried out, a conveying pipe 28 is connected with external air supply equipment, a certain amount of air is conveyed to the inside of the conveying pipe 28, the conveying pipe 28 divides the air into a plurality of groups of hoses 26, the hoses 26 convey the air into the inside of the exchanger through one group of through holes 23, meanwhile, the air in the inside of the exchanger enters the detecting pipe 24 through the other group of through holes 23, after a certain amount of air is flushed, the conveying of the air is stopped, the air pressure at the current detecting pipe 24 is detected by using a pressure gauge 25, the air pressure value at the moment is recorded, the air pressure value on the pressure gauge 25 is observed and recorded again after a period of time, the air pressure values recorded twice are compared, if the air pressure value is not changed, the air tightness of the exchanger is qualified, if the air pressure value is changed, the air tightness of the exchanger is poor, the air tightness of the exchanger is not qualified, and the detection of the tightness of the exchanger can be realized.
As shown in fig. 1-2, the moving assembly includes a moving frame 16, a moving seat 17, an electric push rod 18, and a connecting rod 19;
the movable frames 16 are provided with two groups and are respectively fixed on one sides of the two groups of movable plates 12, which are far away from each other, the movable seat 17 is slidably arranged on the bottom end surface of the test bench 11, the movable seat 17 is hinged with two groups of connecting rods 19, and the other ends of the two groups of connecting rods 19 are respectively hinged with the two groups of movable frames 16;
the electric push rod 18 is fixed at the bottom end of the test table 11, the fixed end of the electric push rod 18 is fixedly connected with the test table 11, and the output end of the electric push rod 18 is fixedly connected with the movable seat 17;
when the movable plate 12 needs to be moved, the electric push rod 18 is controlled to work, the electric push rod 18 drives the movable seat 17 to move at the bottom end of the test bench 11, and the movable seat 17 can drive the two groups of movable frames 16 to move through the connecting rod 19 when moving, so that the two groups of movable frames 16 can be mutually close to or far away from each other, and the two groups of movable plates 12 can be driven to move, and when the two groups of movable plates 12 move, the positioning plate 13 on the movable plate 12 is driven to move, so that the positioning plate 13 can move to two ends of the exchanger, and sealing clamping of the exchanger is realized, so that the subsequent detection of the tightness of the exchanger is facilitated;
it should be noted that, in the measurement of the test bench 11, a plurality of sets of avoidance grooves 20 matched with the moving frame 16 are provided, so that the situation that the moving frame 16 cannot be moved and the moving plate 12 cannot be moved due to the limitation of the test bench 11 is avoided when the moving plate 12 is moved.
As shown in fig. 2, two groups of guide rods 22 are symmetrically arranged on one side of the moving plate 12 far away from the positioning plate 13, a guide seat 21 is fixed at a position above the test table 11 corresponding to the guide rods 22, and one end of the guide rod 22 extends into the guide seat 21 and is in sliding connection with the guide seat 21;
by utilizing the sliding connection between the guide rod 22 and the guide seat 21, the guide rod 22 can be driven to move in the guide seat 21 when the movable plate 12 moves, so that the guide of the movable plate 12 during the movement is realized, and the stability of the movable plate 12 during the movement process is increased.
As shown in fig. 5, the bottom surfaces of the positioning plates 13 are all fixed with a storage plate 15 for placing the exchangers, and a plurality of groups of balls 30 are equidistantly arranged on the upper end surface of the storage plate 15, so that the exchangers can be placed above the storage plate 15 when in use, and simultaneously, the two ends of the exchangers are aligned with the two groups of through holes 23, so that the two ends of the exchangers can be conveniently inserted into the two groups of through holes 23, and meanwhile, the balls 30 can reduce the friction force between the storage plate 15 and the exchangers and reduce the abrasion to the surfaces of the exchangers;
preferably, the positioning plate 13 is detachably connected with the moving plate 12, so that the positioning plate 13 is convenient to take down, the positioning plate 13 with different sizes is convenient to replace, the exchangers with different sizes are full of the exchangers, and meanwhile, when the positioning plate 13 is installed, the tightness between the positioning plate 13 and the moving plate 12 is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (6)
1. The tightness testing device for the exchanger comprises a testing table (11), and is characterized in that two groups of moving plates (12) are symmetrically arranged on two sides above the testing table (11), a plurality of groups of positioning plates (13) used for fixing the exchanger are equidistantly arranged on one side, close to each other, of the two groups of moving plates (12), and sealing rings (14) are fixed on the surface of the positioning plates (13);
the two groups of moving plates (12) are provided with detection assemblies for testing the tightness of the exchanger on the sides far away from each other, and the detection assemblies comprise pressure gauges (25) and air inflation parts;
and a moving assembly for driving the two groups of moving plates (12) to move relatively is arranged below the test table (11).
2. The tightness testing device of an exchanger according to claim 1, wherein a through hole (23) is provided in the middle of the positioning plate (13), two ends of the through hole (23) penetrate through the sealing ring (14) and the moving plate (12), one side of a group of moving plates (12) far away from the positioning plate (13) is provided with a detecting tube (24) communicated with the through hole (23), and the pressure gauge (25) is mounted on the detecting tube (24).
3. The tightness testing device of an exchanger according to claim 2, wherein said inflatable portion comprises a delivery tube (28) and a hose (26);
the conveying pipe (28) is positioned at one side of the other group of moving plates (12) far away from the positioning plate (13), two ends of the conveying pipe (28) are sleeved with a pipeline fixing frame (29) for installing the conveying pipe (28), and the bottom end of the pipeline fixing frame (29) is fixed at the top end of the test bench (11);
the hose (26) is provided with a plurality of groups, two ends of the hose (26) are respectively communicated with the through holes (23) and the conveying pipe (28), and each group of hose (26) is provided with a one-way valve (27).
4. The tightness testing device of an exchanger according to claim 1, wherein said mobile assembly comprises a mobile frame (16), a mobile seat (17), an electric push rod (18) and a connecting rod (19);
the movable frames (16) are provided with two groups and are respectively fixed on one sides of the two groups of movable plates (12) which are far away from each other, the movable seat (17) is slidably arranged on the bottom end surface of the test table (11), two groups of connecting rods (19) are hinged on the movable seat (17), and the other ends of the two groups of connecting rods (19) are respectively hinged with the two groups of movable frames (16);
the electric push rod (18) is fixed at the bottom end of the test table (11), the fixed end of the electric push rod (18) is fixedly connected with the test table (11), and the output end of the electric push rod (18) is fixedly connected with the movable seat (17).
5. The tightness testing device of an exchanger according to claim 4, wherein two groups of guide rods (22) are symmetrically arranged on one side of the moving plate (12) far away from the positioning plate (13), a guide seat (21) is fixed at a position above the test table (11) corresponding to the guide rods (22), and one end of the guide rod (22) extends into the guide seat (21) and is in sliding connection with the guide seat (21).
6. The tightness testing device for exchangers according to claim 5, wherein the bottom end surfaces of the positioning plates (13) are respectively fixed with a storage plate (15) for conveniently placing the exchangers, and a plurality of groups of balls (30) are equidistantly arranged on the upper end surfaces of the storage plates (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320963697.7U CN220153831U (en) | 2023-04-25 | 2023-04-25 | Tightness testing device of exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320963697.7U CN220153831U (en) | 2023-04-25 | 2023-04-25 | Tightness testing device of exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220153831U true CN220153831U (en) | 2023-12-08 |
Family
ID=89009153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320963697.7U Active CN220153831U (en) | 2023-04-25 | 2023-04-25 | Tightness testing device of exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220153831U (en) |
-
2023
- 2023-04-25 CN CN202320963697.7U patent/CN220153831U/en active Active
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