CN115597783B - Online leakage detection device and method for mechanical seal assembly - Google Patents
Online leakage detection device and method for mechanical seal assembly Download PDFInfo
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- CN115597783B CN115597783B CN202211312896.8A CN202211312896A CN115597783B CN 115597783 B CN115597783 B CN 115597783B CN 202211312896 A CN202211312896 A CN 202211312896A CN 115597783 B CN115597783 B CN 115597783B
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 238000007789 sealing Methods 0.000 claims description 76
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an online leak detection device for a mechanical seal assembly, which comprises a device body, wherein the bottom of the device body is fixedly connected with a moving mechanism, the top of the device body is provided with a moving groove, the inside of the moving groove is movably provided with a detection mechanism and a mounting mechanism, the inside of the detection mechanism is provided with an air pump, and the outside of the mounting mechanism is fixedly provided with a fixing mechanism; this an on-line leak hunting device and leak hunting method for mechanical seal subassembly extrudees the extruding rod through mechanical seal spare, and the extruding rod extrudees the inside gas of sealed tube through the push rod, through the inside of communicating pipe with gaseous leading-in fixed gasbag, after fixed gasbag inflation, can fix mechanical seal spare to fixed gasbag fixes mechanical seal spare, avoids implementing the pressure through the rigid fixing spare and fixes mechanical seal spare, prevents that the rigid fixing spare from causing the damage to mechanical seal spare.
Description
Technical Field
The invention relates to the technical field of mechanical sealing elements, in particular to an online leakage detection device and a leakage detection method for a mechanical sealing assembly.
Background
The mechanical sealing element belongs to one of the mechanical basic elements with precise and complex structure, and is a key component of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment.
When the existing detection mechanism is fixed, the mechanical sealing element is basically fixed by implementing pressure through the rigid fixing element, and the mechanical sealing element is damaged due to the fixation in the mode, so that the detection result of the mechanical sealing element is affected.
Therefore, the invention provides an online leakage detection device and a leakage detection method for a mechanical seal assembly, so as to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an online leakage detection device and a leakage detection method for a mechanical seal assembly, and solves the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the on-line leakage detection device for the mechanical seal assembly comprises a device body, wherein a moving mechanism is fixedly connected to the bottom of the device body, a moving groove is formed in the top of the device body, a detection mechanism and a mounting mechanism are movably mounted in the moving groove, an air pump is arranged in the detection mechanism, a fixing mechanism is fixedly mounted on the outer side of the mounting mechanism, the fixing mechanism comprises a fixing rod, a fixing air bag is fixedly connected to the outer side of the fixing rod, a sealing tube is fixedly connected to the inner side of the fixing rod, an extrusion rod is slidingly connected to the inner side of the sealing tube, and a first spring is fixedly connected to the inner side of the extrusion rod;
the locking mechanism is fixedly arranged at the top of the device body and comprises a locking block, a locking rod is fixedly connected to the outer side of the locking block, a slot is formed in the locking rod, and a mechanical sealing piece is fixedly arranged on the locking mechanism.
Further, the moving mechanism comprises a fixed cylinder and a universal wheel, the fixed cylinder is fixedly connected to the bottom of the device body, the universal wheel is connected with the inside of the fixed cylinder in a sliding mode, and an electric push rod is fixedly connected between the universal wheel and the fixed cylinder.
Through adopting above-mentioned technical scheme for the device is after removing, and the accessible electric putter accomodates the universal wheel to the inside of fixed section of thick bamboo, thereby realizes the removal and the fixed of device.
Further, a connecting pipe is fixedly connected between the sealing pipe and the fixing rod, and a one-way valve is fixedly connected inside the connecting pipe.
Through adopting above-mentioned technical scheme, in the testing process, the gaseous messenger mechanical seal spare that accessible detected can be more firmly fixed on the dead lever.
Further, the inside fixedly connected with push rod of extrusion pole, the inner wall laminating of push rod and sealed tube, first spring sets up the inside at the sealed tube.
By adopting the technical scheme, the air blowing and resetting of the sealing tube can be realized.
Further, the outside fixedly connected with communicating pipe of seal tube, communicate with fixed gasbag after communicating pipe runs through the dead lever.
By adopting the technical scheme, the mechanical sealing element can be better fixed by the fixed air bag.
Further, the inside of latch segment has seted up the spread groove, the inside sliding connection of spread groove has the inserted bar.
Further, the limiting groove is formed in the outer side of the connecting groove, the connecting block is fixedly connected to the outer side of the inserted link, the connecting block is slidably connected to the inner portion of the limiting groove, and a second spring is fixedly connected between the connecting block and the limiting groove.
By adopting the technical scheme, the locking rod can be quickly inserted into and fixed on the inside of the locking block.
Further, sealing mechanism is fixedly connected with in the outside of installation mechanism, sealing mechanism is including removing spacing groove and mounting groove, it sets up on the device body to remove the spacing groove, the internally mounted of mounting groove has the sealed cowling.
By adopting the technical scheme, the device can rapidly detect the mechanical sealing element.
Further, the seal cover is in sliding connection with the inside of the movement limiting groove, and the inside of the seal cover is fixedly connected with the detection sensor.
A method of leak detection comprising the steps of:
step one: firstly, placing the mechanical sealing element on the locking block, then fixing the mechanical sealing element by using the locking rod and inserting the mechanical sealing element into the locking block, wherein the inserting rod is inserted into the slot at the moment, so that the mechanical sealing element is fixed;
step two: starting a motor, wherein the motor drives the mounting mechanism to move through the screw rod, the fixing rod is inserted into the mechanical sealing element, the extruding rod is extruded through the mechanical sealing element, and the sealing tube is communicated with the fixing air bag, so that the mechanical sealing element is fixed by the fixing air bag;
step three: starting a motor, wherein the motor drives the detection mechanism to move through a screw rod, and inflating the mechanical sealing element through an air pump in the detection mechanism, so that the mechanical sealing element is inflated;
step four: the mechanical seal is detected by a detection sensor on the sealing mechanism.
Advantageous effects
The invention provides an online leakage detection device and a leakage detection method for a mechanical seal assembly. Compared with the prior art, the method has the following beneficial effects:
1. this an on-line leak hunting device and leak hunting method for mechanical seal subassembly extrudees the extruding rod through mechanical seal spare, and the extruding rod extrudees the inside gas of sealed tube through the push rod, through the inside of communicating pipe with gaseous leading-in fixed gasbag, after fixed gasbag inflation, can fix mechanical seal spare to fixed gasbag fixes mechanical seal spare, avoids implementing the pressure through the rigid fixing spare and fixes mechanical seal spare, prevents that the rigid fixing spare from causing the damage to mechanical seal spare.
2. According to the on-line leakage detection device and the on-line leakage detection method for the mechanical seal assembly, when the detection is performed, gas in the detection mechanism can be blown into the fixed air bag through the connecting pipe, the sealing pipe and the communicating pipe, so that the mechanical seal is prevented from falling off from the fixed mechanism in the detection process.
3. According to the on-line leakage detection device and the on-line leakage detection method for the mechanical seal assembly, the mechanical seal is placed on the locking block, then the mechanical seal is fixed and inserted into the locking block through the locking rod, the bottom of the inserting rod can extrude the inserting rod to move backwards, and when the inserting rod is in contact with the inserting groove, the inserting rod can be inserted into the inserting groove, so that the locking rod can be quickly inserted into the locking block, and the mechanical seal can be quickly fixed.
Drawings
FIG. 1 is a perspective view of the external structure of the present invention;
FIG. 2 is a perspective view of the external structure of the present invention;
FIG. 3 is a cross-sectional view of the securing mechanism of the present invention;
FIG. 4 is a cross-sectional view of the locking mechanism of the present invention;
fig. 5 is a cross-sectional view of the sealing mechanism of the present invention.
In the figure 1, the device body; 2. a moving mechanism; 3. a detection mechanism; 4. a mounting mechanism; 5. a fixing mechanism; 51. a fixed rod; 52. a connecting pipe; 53. sealing the tube; 54. an extrusion rod; 55. a push rod; 56. a first spring; 57. a communicating pipe; 58. fixing the air bag; 6. a locking mechanism; 61. a locking block; 62. a locking lever; 63. a slot; 64. a connecting groove; 65. a rod; 66. a second spring; 67. a connecting block; 7. a sealing mechanism; 71. moving the limit groove; 72. a mounting groove; 73. a sealing cover; 74. a detection sensor; 8. a moving groove; 9. a mechanical seal.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
Referring to fig. 1-5, an on-line leak detection device for a mechanical seal assembly comprises a device body 1, wherein a moving mechanism 2 is fixedly connected to the bottom of the device body 1, a moving groove 8 is formed in the top of the device body 1, a detection mechanism 3 and a mounting mechanism 4 are movably mounted in the moving groove 8, an air pump is arranged in the detection mechanism 3, a fixing mechanism 5 is fixedly mounted on the outer side of the mounting mechanism 4, the fixing mechanism 5 comprises a fixing rod 51, a fixing air bag 58 is fixedly connected to the outer side of the fixing rod 51, a sealing tube 53 is fixedly connected to the inner side of the fixing rod 51, an extrusion rod 54 is slidingly connected to the inner side of the sealing tube 53, a first spring 56 is fixedly connected to the inner side of the extrusion rod 54, a connecting tube 52 is fixedly connected between the sealing tube 53 and the fixing rod 51, a one-way valve is fixedly connected to the inner side of the extrusion rod 54, the push rod 55 is attached to the inner wall of the sealing tube 53, the first spring 56 is arranged in the inner side of the sealing tube 53, a communicating tube 57 is fixedly connected to the outer side of the sealing tube 53, and the communicating tube 57 penetrates through the fixing rod 51 and is communicated with the fixing air bag 58;
the extruding rod 54 is extruded through the mechanical sealing element 9, the extruding rod 54 extrudes gas in the sealing tube 53 through the push rod 55, the gas is led into the fixing air bag 58 through the communicating tube 57, after the fixing air bag 58 is expanded, the mechanical sealing element 9 is fixed, so that the mechanical sealing element 9 is fixed, when the detection is carried out, the gas in the detection mechanism 3 can be blown into the fixing air bag 58 through the connecting tube 52, the sealing tube 53 and the communicating tube 57, and therefore the mechanical sealing element 9 is prevented from falling off from the fixing mechanism 5 in the detection process.
The top of the device body 1 is fixedly provided with a locking mechanism 6, the locking mechanism 6 comprises a locking block 61, the outer side of the locking block 61 is fixedly connected with a locking rod 62, a slot 63 is formed in the locking rod 62, a mechanical sealing piece 9 is fixedly arranged on the locking mechanism 6, a connecting groove 64 is formed in the locking block 61, an inserting rod 65 is slidably connected in the connecting groove 64, a limiting groove is formed in the outer side of the connecting groove 64, a connecting block 67 is fixedly connected in the outer side of the inserting rod 65, the connecting block 67 is slidably connected in the limiting groove, and a second spring 66 is fixedly connected between the connecting block 67 and the limiting groove;
by placing the mechanical seal 9 on the lock block 61, then fixing the mechanical seal 9 by using the lock lever 62 and inserting it into the interior of the lock block 61, the bottom of the insert lever 65 presses the insert lever 65 to move backward, and when the insert lever 65 contacts the insert slot 63, the insert lever 65 is inserted into the interior of the insert slot 63, so that the lock lever 62 can be quickly inserted into the lock block 61, thereby fixing the mechanical seal 9.
The moving mechanism 2 comprises a fixed cylinder and universal wheels, the fixed cylinder is fixedly connected to the bottom of the device body 1, the universal wheels are connected with the inside of the fixed cylinder in a sliding mode, an electric push rod is fixedly connected between the universal wheels and the fixed cylinder, the outer side of the mounting mechanism 4 is fixedly connected with a sealing mechanism 7, the sealing mechanism 7 comprises a moving limiting groove 71 and a mounting groove 72, the moving limiting groove 71 is formed in the device body 1, a sealing cover 73 is mounted in the mounting groove 72, the sealing cover 73 is connected to the inside of the moving limiting groove 71 in a sliding mode, and a detection sensor 74 is fixedly connected to the inside of the sealing cover 73.
Example two
The embodiment of the application discloses a leak detection method, which comprises the following steps:
step one: the mechanical seal 9 is placed on the locking block 61, and then the mechanical seal 9 is fixed by using the locking rod 62 and inserted into the locking block 61, and the inserting rod 65 is inserted into the inserting groove 63, so that the mechanical seal 9 is fixed;
step two: starting a motor, wherein the motor drives the mounting mechanism 4 to move through a screw rod, the fixing rod 51 is inserted into the mechanical sealing element 9, the mechanical sealing element 9 extrudes the extrusion rod 54, and the sealing tube 53 is communicated with the fixing air bag 58, so that the fixing air bag 58 fixes the mechanical sealing element 9;
step three: starting a motor, wherein the motor drives the detection mechanism 3 to move through a screw rod, and the mechanical sealing element 9 is inflated through an air pump in the detection mechanism 3, so that the mechanical sealing element 9 is inflated;
step four: the mechanical seal 9 is detected by a detection sensor 74 on the sealing mechanism 7.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An on-line leak detection device for a mechanical seal assembly, comprising a device body (1), characterized in that: the device comprises a device body (1), wherein a moving mechanism (2) is fixedly connected to the bottom of the device body (1), a moving groove (8) is formed in the top of the device body (1), a detection mechanism (3) and a mounting mechanism (4) are movably mounted in the moving groove (8), an air pump is arranged in the detection mechanism (3), a fixing mechanism (5) is fixedly mounted on the outer side of the mounting mechanism (4), the fixing mechanism (5) comprises a fixing rod (51), a fixing air bag (58) is fixedly connected to the outer side of the fixing rod (51), a sealing tube (53) is fixedly connected to the inner side of the fixing rod (51), a squeezing rod (54) is slidably connected to the inner side of the sealing tube (53), and a first spring (56) is fixedly connected to the inner side of the squeezing rod (54); a connecting pipe (52) is fixedly connected between the sealing pipe (53) and the fixed rod (51), and a one-way valve is fixedly connected inside the connecting pipe (52); the inner side of the extrusion rod (54) is fixedly connected with a push rod (55), the push rod (55) is attached to the inner wall of the sealing tube (53), and the first spring (56) is arranged in the sealing tube (53); a communicating pipe (57) is fixedly connected to the outer side of the sealing pipe (53), and the communicating pipe (57) penetrates through the fixing rod (51) and then is communicated with the fixing air bag (58);
the device is characterized in that a locking mechanism (6) is fixedly arranged at the top of the device body (1), the locking mechanism (6) comprises a locking block (61), a locking rod (62) is fixedly connected to the outer side of the locking block (61), a slot (63) is formed in the locking rod (62), and a mechanical sealing piece (9) is fixedly arranged on the locking mechanism (6).
2. An on-line leak detection apparatus for a mechanical seal assembly as defined in claim 1, wherein: the moving mechanism (2) comprises a fixed cylinder and a universal wheel, the fixed cylinder is fixedly connected to the bottom of the device body (1), the universal wheel is connected with the inside of the fixed cylinder in a sliding mode, and an electric push rod is fixedly connected between the universal wheel and the fixed cylinder.
3. An on-line leak detection apparatus for a mechanical seal assembly as defined in claim 1, wherein: the inside of latch segment (61) has seted up spread groove (64), the inside sliding connection of spread groove (64) has inserted bar (65).
4. An on-line leak detection apparatus for a mechanical seal assembly as defined in claim 3, wherein: limiting grooves are formed in the outer sides of the connecting grooves (64), connecting blocks (67) are fixedly connected to the outer sides of the inserting rods (65), the connecting blocks (67) are slidably connected to the inner portions of the limiting grooves, and second springs (66) are fixedly connected between the connecting blocks (67) and the limiting grooves.
5. An on-line leak detection apparatus for a mechanical seal assembly as defined in claim 1, wherein: the outside fixedly connected with sealing mechanism (7) of installation mechanism (4), sealing mechanism (7) are including removing spacing groove (71) and mounting groove (72), it sets up on device body (1) to remove spacing groove (71), the internally mounted of mounting groove (72) has sealed cowling (73).
6. An on-line leak detection apparatus for a mechanical seal assembly as defined in claim 5, wherein: the seal cover (73) is slidably connected to the inside of the movement limiting groove (71), and the inside of the seal cover (73) is fixedly connected with the detection sensor (74).
7. A method of leak detection, based on the on-line leak detection apparatus for a mechanical seal assembly of any one of claims 1-6, characterized by:
step one: firstly, placing the mechanical sealing element (9) on the locking block (61), and then fixing the mechanical sealing element (9) by using the locking rod (62) and inserting the mechanical sealing element into the locking block (61), wherein the inserting rod (65) is inserted into the slot (63), so that the mechanical sealing element (9) is fixed;
step two: starting a motor, wherein the motor drives the mounting mechanism (4) to move through a screw rod, the fixed rod (51) is inserted into the mechanical sealing element (9), the extruding rod (54) is extruded through the mechanical sealing element (9), and the sealing tube (53) is communicated with the fixed air bag (58), so that the fixed air bag (58) fixes the mechanical sealing element (9);
step three: starting a motor, wherein the motor drives the detection mechanism (3) to move through a screw rod, and the mechanical sealing element (9) is inflated through an air pump in the detection mechanism (3), so that the mechanical sealing element (9) is inflated;
step four: the mechanical seal (9) is detected by a detection sensor (74) on the sealing mechanism (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211312896.8A CN115597783B (en) | 2022-10-25 | 2022-10-25 | Online leakage detection device and method for mechanical seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211312896.8A CN115597783B (en) | 2022-10-25 | 2022-10-25 | Online leakage detection device and method for mechanical seal assembly |
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| Publication Number | Publication Date |
|---|---|
| CN115597783A CN115597783A (en) | 2023-01-13 |
| CN115597783B true CN115597783B (en) | 2024-03-29 |
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| CN202211312896.8A Active CN115597783B (en) | 2022-10-25 | 2022-10-25 | Online leakage detection device and method for mechanical seal assembly |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000052442A1 (en) * | 1999-03-04 | 2000-09-08 | Leon Robert L | Method and apparatus for detecting and quantifying seal leaks in installed emergency shut down or other valves, during production and during shutdown |
| US9097609B1 (en) * | 2013-04-30 | 2015-08-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Hermetic seal leak detection apparatus with variable size test chamber |
| CN209878235U (en) * | 2019-06-12 | 2019-12-31 | 重庆瀚海石油技术有限公司 | Self-balancing sealing detection device |
| CN210269074U (en) * | 2019-09-10 | 2020-04-07 | 铜陵碧卓流体科技有限责任公司 | Sealing detection device for valve production |
| CN212621329U (en) * | 2020-08-03 | 2021-02-26 | 湖北西特化工机械有限公司 | Detection device for mechanical sealing device of polymerization reactor |
| CN112924100A (en) * | 2021-02-06 | 2021-06-08 | 河南永祥特检科技有限公司 | Ball valve leakproofness detection device for natural gas |
| CN213842541U (en) * | 2021-01-06 | 2021-07-30 | 蒋东晋 | Pipeline sealing detection device for oilfield internet of things construction |
| CN215296593U (en) * | 2021-05-11 | 2021-12-24 | 济宁耀坤机械有限公司 | Anti-pulse high-pressure oil pipe sealing detection device for engineering machinery |
| CN216815901U (en) * | 2021-12-24 | 2022-06-24 | 张家港市三利密封合金材料有限公司 | Mechanical seal pressure testing device |
-
2022
- 2022-10-25 CN CN202211312896.8A patent/CN115597783B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000052442A1 (en) * | 1999-03-04 | 2000-09-08 | Leon Robert L | Method and apparatus for detecting and quantifying seal leaks in installed emergency shut down or other valves, during production and during shutdown |
| US9097609B1 (en) * | 2013-04-30 | 2015-08-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Hermetic seal leak detection apparatus with variable size test chamber |
| CN209878235U (en) * | 2019-06-12 | 2019-12-31 | 重庆瀚海石油技术有限公司 | Self-balancing sealing detection device |
| CN210269074U (en) * | 2019-09-10 | 2020-04-07 | 铜陵碧卓流体科技有限责任公司 | Sealing detection device for valve production |
| CN212621329U (en) * | 2020-08-03 | 2021-02-26 | 湖北西特化工机械有限公司 | Detection device for mechanical sealing device of polymerization reactor |
| CN213842541U (en) * | 2021-01-06 | 2021-07-30 | 蒋东晋 | Pipeline sealing detection device for oilfield internet of things construction |
| CN112924100A (en) * | 2021-02-06 | 2021-06-08 | 河南永祥特检科技有限公司 | Ball valve leakproofness detection device for natural gas |
| CN215296593U (en) * | 2021-05-11 | 2021-12-24 | 济宁耀坤机械有限公司 | Anti-pulse high-pressure oil pipe sealing detection device for engineering machinery |
| CN216815901U (en) * | 2021-12-24 | 2022-06-24 | 张家港市三利密封合金材料有限公司 | Mechanical seal pressure testing device |
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| CN115597783A (en) | 2023-01-13 |
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