CN207114110U - A kind of liquefied gas bottle helium mass spectrum leak detection device - Google Patents
A kind of liquefied gas bottle helium mass spectrum leak detection device Download PDFInfo
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- CN207114110U CN207114110U CN201720951895.6U CN201720951895U CN207114110U CN 207114110 U CN207114110 U CN 207114110U CN 201720951895 U CN201720951895 U CN 201720951895U CN 207114110 U CN207114110 U CN 207114110U
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- cylinder
- pipeline
- helium
- pressure head
- gas cylinder
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- 239000007789 gas Substances 0.000 title claims abstract description 63
- 239000001307 helium Substances 0.000 title claims abstract description 57
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 57
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000001819 mass spectrum Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims description 21
- 238000003466 welding Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
A kind of liquefied gas bottle helium mass spectrum leak detection device, including frame, pressing device, bearing-ring device, detecting system, gas cylinder, it is characterised in that：The pressing device includes compression cylinder, pressure head, compression cylinder is fixed on above frame, the cylinder extension bar of compression cylinder is fixedly connected with pressure head, pressure head includes sealing gasket, and emit, case, sealing gasket by and emit and be connected with cylinder extension bar, sealing gasket, and emit and be arranged on casing interior, No.1 helium inlet union is provided with case, compression cylinder acts, it can be lifted with dynamic head, when pressure head declines, formed and sealed by plane on the sealing gasket inside pressure head and gas cylinder valve seat, when pressure head compresses gas cylinder valve seat, case forms the small space of a near-hermetic with gas cylinder upper cover arc surface.The utility model is hunted leak after gas cylinder completes welding, can realize automation mechanized operation, and helium dosage is few, improves product quality, reduces production cost immediately.
Description
Technical field
The utility model belongs to pressure vessel technology field, specially a kind of liquefied gas bottle helium mass spectrum leak detection device.
Background technology
The LP gas cylinder that we commonly use, mainly there are foundation ring, low head, upper cover, valve seat, a few part welding groups of shield
Into.The girth joint and the welding position of upper public attention and valve seat of wherein upper and lower end socket welding can not have any leakage.
, after welding has been completed need to be in the water pressure test either gas without the technique of leak detection, leakage in existing production technology
It could be found in tightness test.
So, leaking gas cylinder need to be by can just find that gas cylinder leaks after multiple working procedure, and come back for repairing, especially to gas
The leakage found in tightness test, gas cylinder now have completed surface spraying and have installed valve, return to reparation and add
The cost of product.
The content of the invention
In place of the purpose of this utility model is to overcome above-mentioned deficiency, so as to provide a kind of liquefied gas bottle helium mass spectrum leak detection dress
Put, after gas cylinder completes welding, hunted leak immediately, automation mechanized operation can be realized, and helium dosage is few, improves product matter
Amount, reduces production cost.
The technical solution of the utility model is：A kind of liquefied gas bottle helium mass spectrum leak detection device, including frame, pressing device,
Bearing-ring device, detecting system, gas cylinder, it is characterised in that：The pressing device includes compression cylinder, pressure head, and compression cylinder is fixed
Above frame, the cylinder extension bar of compression cylinder is fixedly connected with pressure head, and pressure head includes sealing gasket and emitted, case, and sealing gasket leads to
Cross and emit and be connected with cylinder extension bar, sealing gasket is simultaneously emitted and is arranged on casing interior, and No.1 helium import is provided with case, is compressed
Cylinder acts, and can be lifted with dynamic head, when pressure head declines, passes through planar shaped on the sealing gasket inside pressure head and gas cylinder valve seat
Into sealing, when pressure head compresses gas cylinder valve seat, case forms the small space of a sealing, collar dress with gas cylinder upper cover arc surface
Put including fixed semicircle set, two 90 ° of movable sleeve, movable sleeve cylinder, movable sleeve and fixed semicircle set are be hinged, fixed semicircle set
It is fixedly connected with frame, afterbody hinge and the frame of movable sleeve cylinder are hinged, and cylinder shaft end and the movable sleeve of movable sleeve cylinder are cut with scissors
Connecing, the action of movable sleeve cylinder can drive movable sleeve to rotate, and when open, gas cylinder can enter, when closing up, two activities
Set and fixed semicircle cover inner headed face and gas cylinder is cylindrical contacts, and is internally formed a small space, entangles gas cylinder girth joint position, fixation
Semicircle set both sides are each provided with No. two helium imports, and detecting system includes helium import, the first pipeline, second pipe, the 3rd pipe
Road, the 4th pipeline, the 5th pipeline, the 6th pipeline, helium mass spectrometer leak detector, the 7th pipeline, vavuum pump, helium import pass through the first pipe
Road connects No.1 magnetic valve, and the first pipeline end connects second pipe, the 3rd pipeline, the 4th pipeline, second pipe, the 3rd respectively
Pipeline end be connected respectively semicircle set both sides No. two helium imports, the 4th pipeline end connection No.1 helium import, helium
Mass-spectrometer leak detector connects No. two magnetic valves by the 6th pipeline, and the 6th pipeline end connects the 5th pipeline, the 7th pipeline respectively, the
Five pipeline ends connect gas vent, and be linked in sequence No. three magnetic valves, pressure vacuum gauge, vavuum pumps on the 7th pipeline.
The beneficial effects of the utility model are：The utility model provides a kind of liquefied gas bottle helium mass spectrum leak detection device, in gas
After bottle completes welding, hunted leak immediately, automation mechanized operation can be realized, and helium dosage is few, improves product quality, reduces
Production cost.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is overlooking the structure diagram of the present utility model.
Fig. 3 is left view structural representation of the present utility model.
Fig. 4 is three dimensional structure diagram of the present utility model.
Fig. 5 is the structural representation of the pressing device of part 2 in Fig. 1.
Fig. 6 is the structural representation of the bearing-ring device of part 3 in Fig. 2.
Fig. 7 is cross section structure diagram at A-A in Fig. 6.
Fig. 8 is the structural representation of the detecting system of part 4.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8,1. frames, 2. pressing devices, 3. bearing-ring devices, 4. detections
System, 5. gas cylinders, 21. compression cylinders, 22. pressure heads, 211. cylinder extension bars, 212. gas vents, 221. No.1 helium imports,
222. sealing gaskets, 223. and emit, 224. cases, and 31. fix semicircle sets, 32. movable sleeves, 33. movable sleeve cylinders, 311. No. two helium
Gas import, 331. afterbody hinges, 332. cylinder shaft ends, 41. helium imports, 42. first pipelines, 43. No.1 magnetic valves, 44.
Two pipelines, 45. the 3rd pipelines, 46. the 4th pipelines, 47. the 5th pipelines, 48. No. two magnetic valves, 49. the 6th pipelines, 410. helium matter
Compose leak detector, 411. No. three magnetic valves, 412. pressure vacuum gauges, 413. the 7th pipelines, 414. vavuum pumps, on 51. gas cylinder valve seats
Plane, 52. gas cylinder girth joints.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, the utility model is a kind of liquefied gas bottle helium mass spectrum
Leakage detection apparatus, including frame 1, pressing device 2, bearing-ring device 3, detecting system 4, gas cylinder 5, it is characterised in that：It is described to compress dress
Putting 2 includes compression cylinder 21, pressure head 22, and compression cylinder 21 is fixed on the top of frame 1, the cylinder extension bar 211 of compression cylinder 21 with
Pressure head 22 is fixedly connected, and pressure head 22 includes sealing gasket 222 and emits 223, case 224, sealing gasket 222 by and emit 223 and cylinder
Extension bar 211 connects, and sealing gasket 222 simultaneously emits 223 and is arranged on inside case 224, and No.1 helium import is provided with case 224
221, compression cylinder 21 acts, and can be lifted with dynamic head 22, when pressure head 22 declines, passes through the sealing gasket inside pressure head 22
222 form sealing with plane 51 on gas cylinder valve seat, when pressure head 22 compresses gas cylinder valve seat, case 224 and gas cylinder upper cover arc surface
The small space of a sealing is formed, bearing-ring device 3 includes movable sleeve 32, the movable sleeve cylinder that fixed semicircle covers 31, two 90 °
33, movable sleeve 32 covers 31 with fixed semicircle and is hinged, and fixed semicircle set 31 is fixedly connected with frame 1, the afterbody of movable sleeve cylinder 33
Hinge 331 is be hinged with frame 1, and the cylinder shaft end 332 of movable sleeve cylinder 33 and movable sleeve 32 are be hinged, and movable sleeve cylinder 33 moves
Work can drive movable sleeve 32 to rotate, and when open, gas cylinder 5 can enter, when closing up, two movable sleeves 32 and fixed semicircle
Cover 31 inner headed faces and gas cylinder 5 is cylindrical contacts, be internally formed a small space, entangle the position of gas cylinder girth joint 52, fixed semicircle set
31 both sides are each provided with No. two helium imports 311, detecting system 4 include helium import 41, the first pipeline 42, second pipe 44,
3rd pipeline 45, the 4th pipeline 46, the 5th pipeline 47, the 6th pipeline 49, helium mass spectrometer leak detector 410, the 7th pipeline 413, vacuum
Pump 414, helium import 41 connect No.1 magnetic valve 43 by the first pipeline 42, and the end of the first pipeline 42 connects second pipe respectively
44th, the 3rd pipeline 45, the 4th pipeline 46, second pipe 44, the end of the 3rd pipeline 45 semicircle that is connected respectively cover 31 both sides
No. two helium imports 311, the end of the 4th pipeline 46 connection No.1 helium import 221, helium mass spectrometer leak detector 410 passes through the 6th pipeline
49 No. two magnetic valves 48 of connection, the end of the 6th pipeline 49 connect the 5th pipeline 47, the 7th pipeline 413 respectively, and the 5th pipeline 47 is not
End connects gas vent 212, and be linked in sequence No. three magnetic valves 411, pressure vacuum gauge 412, vavuum pump 414 on the 7th pipeline 413.
The course of work of the present utility model is：
Operation principle：The gas cylinder 5 that need to be detected is vacuumized, reaches the vacuum of the need of work of helium mass spectrometer leak detector 410
Degree, the position for needing to detect to gas cylinder 5 carry out spray helium, meanwhile, start helium mass spectrometer leak detector 410, if gas cylinder 5 has leakage,
Then helium molecule can be penetrated into inside gas cylinder 5, detected by helium mass spectrometer leak detector 410, and alarmed.
Sequence of movement：
1. gas cylinder 5 enters device from front, covering 31 progress gas cylinders 5 using fixed semicircle positions；
2. compression cylinder 21 acts, pressure head 22 is pressed in plane 51 on gas cylinder valve seat, ensures sealing；
3. opening No. three magnetic valves 411 of the pipeline of vavuum pump 414, vavuum pump 414 is opened, uses big flow vavuum pump 414
To being vacuumized inside gas cylinder 5, reach the vacuum level requirements that helium mass spectrometer leak detector 410 starts needs, while movable sleeve cylinder
33 actions；
4. closing 414, No. three magnetic valves 411 of vavuum pump, No. two magnetic valves 48 of the pipeline of helium mass spectrometer leak detector 410 are opened,
Start helium mass spectrometer leak detector 410, the molecular pump that helium mass spectrometer leak detector 410 carries continues to vacuumize gas cylinder 5；
5. opening No.1 magnetic valve 43, spray helium is carried out to test point, and closes No.1 magnetic valve 43 immediately, passes through helium matter
Whether spectrum leak detector 410 is detected, have the entrance of helium molecule, when the helium molecule of detection reaches setting value, judge inside gas cylinder 5
For leakage, device alarm；Setting value is such as not up to, then judges that gas cylinder 5 is not revealed, lower road production process can be gone successively to, detect
Finish, close helium mass spectrometer leak detector 410, close the pipe valve of helium mass spectrometer leak detector 410；
6. compression cylinder 21 resets, band dynamic head 22 resets；Movable sleeve cylinder 33 resets, and drives movable sleeve 32 to reset；
7. taking out gas cylinder 5 from device, moved toward subsequent work stations, complete all working of helium mass spectrum leak detection.
Claims (1)
1. a kind of liquefied gas bottle helium mass spectrum leak detection device, including frame, pressing device, bearing-ring device, detecting system, gas cylinder, its
It is characterised by：The pressing device includes compression cylinder, pressure head, and compression cylinder is fixed on above frame, the cylinder of compression cylinder
Extension bar is fixedly connected with pressure head, and pressure head includes sealing gasket and emitting, case, sealing gasket by and emit and be connected with cylinder extension bar, sealing
Pad and emit and be arranged on casing interior, No.1 helium import is provided with case, compression cylinder action, can be lifted with dynamic head,
When pressure head declines, formed and sealed by plane on the sealing gasket inside pressure head and gas cylinder valve seat, when pressure head compresses gas cylinder valve seat,
Case forms the small space of a sealing with gas cylinder upper cover arc surface, and bearing-ring device includes fixed semicircle set, two 90 ° of work
Dynamic set, movable sleeve cylinder, movable sleeve and fixed semicircle set are be hinged, and fixed semicircle set is fixedly connected with frame, movable sleeve cylinder
Afterbody hinge is hinged with frame, and cylinder shaft end and the movable sleeve of movable sleeve cylinder are hinged, and the action of movable sleeve cylinder can drive
Movable sleeve rotates, and when open, gas cylinder can enter, and when closing up, two movable sleeves cover inner headed face and gas cylinder with fixed semicircle
Cylindrical contact, a small space is internally formed, entangles gas cylinder girth joint position, fixed semicircle set both sides are each provided with No. two helium
Import, detecting system include helium import, the first pipeline, second pipe, the 3rd pipeline, the 4th pipeline, the 5th pipeline, the 6th pipe
Road, helium mass spectrometer leak detector, the 7th pipeline, vavuum pump, helium import connect No.1 magnetic valve by the first pipeline, and the first pipeline is not
End connects second pipe, the 3rd pipeline, the 4th pipeline respectively, and second pipe, the 3rd pipeline end are connected semicircle set respectively
No. two helium imports of both sides, the connection No.1 helium import of the 4th pipeline end, helium mass spectrometer leak detector are connected by the 6th pipeline
No. two magnetic valves, the 6th pipeline end connect the 5th pipeline, the 7th pipeline respectively, and the 5th pipeline end connects gas vent, the
Be linked in sequence No. three magnetic valves, pressure vacuum gauge, vavuum pumps on seven pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951895.6U CN207114110U (en) | 2017-08-01 | 2017-08-01 | A kind of liquefied gas bottle helium mass spectrum leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951895.6U CN207114110U (en) | 2017-08-01 | 2017-08-01 | A kind of liquefied gas bottle helium mass spectrum leak detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207114110U true CN207114110U (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720951895.6U Active CN207114110U (en) | 2017-08-01 | 2017-08-01 | A kind of liquefied gas bottle helium mass spectrum leak detection device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017947A (en) * | 2019-05-16 | 2019-07-16 | 天津博益气动股份有限公司 | A kind of airtight leakage detection apparatus of girth joint being compatible with more specification inner liners and detection method |
| CN110174224A (en) * | 2019-04-23 | 2019-08-27 | 中国科学院合肥物质科学研究院 | Multi-layer compound structure conductor outer layer stainless steel weld joint helium mass spectrum back pressure leak detection method |
| CN111091918A (en) * | 2018-10-24 | 2020-05-01 | 中核核电运行管理有限公司 | Neutron flux tube inspection integrated device |
| CN112326142A (en) * | 2020-12-11 | 2021-02-05 | 江苏中宏机械制造有限公司 | Gas cylinder malleation helium detects gas tightness detection device |
| CN113218590A (en) * | 2021-04-16 | 2021-08-06 | 江苏国富氢能技术装备股份有限公司 | Device and process for detecting air tightness of opening of inner container of gas cylinder |
| CN119124486A (en) * | 2024-08-08 | 2024-12-13 | 杭州东贝机电设备有限公司 | Gas cylinder air tightness detection method and device |
-
2017
- 2017-08-01 CN CN201720951895.6U patent/CN207114110U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091918A (en) * | 2018-10-24 | 2020-05-01 | 中核核电运行管理有限公司 | Neutron flux tube inspection integrated device |
| CN110174224A (en) * | 2019-04-23 | 2019-08-27 | 中国科学院合肥物质科学研究院 | Multi-layer compound structure conductor outer layer stainless steel weld joint helium mass spectrum back pressure leak detection method |
| CN110174224B (en) * | 2019-04-23 | 2021-06-29 | 中国科学院合肥物质科学研究院 | Helium mass spectrometry back pressure leak detection method for stainless steel welds on outer layer of multi-layer composite structure conductors |
| CN110017947A (en) * | 2019-05-16 | 2019-07-16 | 天津博益气动股份有限公司 | A kind of airtight leakage detection apparatus of girth joint being compatible with more specification inner liners and detection method |
| CN110017947B (en) * | 2019-05-16 | 2024-04-26 | 天津博益气动股份有限公司 | Circumferential weld airtight leakage detection device compatible with multiple specifications of inner containers and detection method |
| CN112326142A (en) * | 2020-12-11 | 2021-02-05 | 江苏中宏机械制造有限公司 | Gas cylinder malleation helium detects gas tightness detection device |
| CN112326142B (en) * | 2020-12-11 | 2022-08-05 | 江苏中宏机械制造有限公司 | Gas cylinder malleation helium detects gas tightness detection device |
| CN113218590A (en) * | 2021-04-16 | 2021-08-06 | 江苏国富氢能技术装备股份有限公司 | Device and process for detecting air tightness of opening of inner container of gas cylinder |
| CN119124486A (en) * | 2024-08-08 | 2024-12-13 | 杭州东贝机电设备有限公司 | Gas cylinder air tightness detection method and device |
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