CN204214612U - Air tightness detection apparatus - Google Patents
Air tightness detection apparatus Download PDFInfo
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- CN204214612U CN204214612U CN201420600717.5U CN201420600717U CN204214612U CN 204214612 U CN204214612 U CN 204214612U CN 201420600717 U CN201420600717 U CN 201420600717U CN 204214612 U CN204214612 U CN 204214612U
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Abstract
The utility model discloses a kind of air tightness detection apparatus, comprise: detect cover, for covering welded seam area to be detected, detect on cover and offer the slot to make way matched with the template at through hole place, detect cover and arrange sealant with welded seam area junction to be detected, slot to make way and template junction arrange sealant; Vacuum checking device, comprise vacuum plant and pressure-display device, vacuum plant covers with detection and is connected, space for jointly limiting detection cover and welded seam area to be detected vacuumizes process, pressure-display device covers with detection and is connected, for showing in real time vacuumizing the pressure after process.By detecting slot to make way cover being arranged and matches with the template at through hole place, and fitted seal layer and vacuum checking device, make air tightness detection apparatus can carry out airtight detection to the weld seam at the through hole place with template easily, structure of the detecting device is simple, detection is effective and precision is high, reduce further testing cost, improve detection efficiency.
Description
Technical field
The utility model relates to weld seam detection technical field, particularly relates to a kind of air tightness detection apparatus.
Background technology
During shipbuilding, have a large amount of through holes to need shrouding process, and to carry out airtight detection to the weld seam at shrouding place be a necessary operation.But be equipped with T-shaped plate because through hole place is standing, namely through hole is built-in with template, and when making shrouding shutoff through hole, not only have welded seam with hull part, shrouding also and between template has weld seam, welding line structure complex forms.The shrouding weld joint air-tight at current through hole place detects and usually adopts fillet weld impulse test to detect, this detection mode complicated operation, and the quality problems due to the seal plate welding at through hole place are easy to cause this failure of an experiment, hermeticity experiment unsuccessfully can affect later product can not painting, the integrality of impact paint, affects whole cabin in addition and suppresses.
Utility model content
The purpose of this utility model is to provide a kind of air tightness detection apparatus, and its structure is simple, easy to operate, can fast and carry out airtight detection to the weld seam at through hole shrouding place accurately, and accuracy of detection is high.
For reaching this object, the utility model by the following technical solutions:
A kind of air tightness detection apparatus is provided, comprises:
Detect cover, for covering welded seam area to be detected, described detection cover offers the slot to make way matched with the template at through hole place, and described detection cover and welded seam area junction to be detected arrange sealant, and described slot to make way and described template junction arrange sealant;
Vacuum checking device, comprise vacuum plant and pressure-display device, described vacuum plant with described detect to cover be connected, space for jointly limiting described detection cover and described welded seam area to be detected vacuumizes process, described pressure-display device with described detect to cover be connected, for showing in real time vacuumizing the pressure after process.
Concrete Cleaning Principle is: on the weld seam between the shrouding and template at through hole place, smear suds, the vacuum plant in vacuum checking device is utilized to vacuumize process in detection cover, whether observe commissure on the one hand has bubble to produce, whether the pressure observed after pressurize on pressure-display device changes on the other hand, if existing bubble, air pressure also declines, explanation weld seam is defective, at generation bubble place, weld seam is leaky, otherwise, then judge weld is accepted.
As a kind of preferred version of air tightness detection apparatus, described detection cover adopts transparent material to make at least partly, described sealant comprises rubber layer and is arranged on the adhesive layer of described rubber layer both sides, between described rubber layer and described detection cover, between described rubber layer and described welded seam area to be detected, is all bonded as one by described adhesive layer between described rubber layer and described slot to make way and between described rubber layer and described template.
By sealant being set to the structure that rubber layer adds adhesive layer, on the one hand can detect cover and welded seam area to be detected and the gap between slot to make way and the contact plane of template by the elasticity adjustment of rubber layer, ensure the reliability of the sealing of the plane connected, the setting of adhesive layer is convenient to detect the fixing of cover and dismounting on the other hand, not only structure is simple, easy to operate, and the surface quality of welded seam area to be detected or template can not be destroyed in the disassembly process detecting cover.
Preferably, described detection cover is cloche.
As a kind of preferred version of air tightness detection apparatus, described adhesive layer is double-sided adhesive adhesive tape.
As a kind of preferred version of air tightness detection apparatus, described vacuum plant comprises the first snorkel be arranged on described detection cover, described first snorkel is fixedly connected with described detection cover by the first coupling arrangement, one end of described first snorkel extend in described detection cover, the other end is arranged on and detects outside cover and be connected with pressurized air input pipe, described pressurized air input pipe is perpendicular to described first snorkel, and be communicated with described first snorkel, one end of described pressurized air input pipe and compressed air communication, the other end is communicated with air, the inside of described first snorkel and contiguous described pressurized air input pipe is provided with retaining valve, the described air detected in cover can be made to flow to described pressurized air input pipe by described retaining valve.
As a kind of preferred version of air tightness detection apparatus, described vacuum plant comprises the first snorkel be arranged on described detection cover, described first snorkel is fixedly connected with described detection cover by the first coupling arrangement, one end of described first snorkel extend in described detection cover, and the other end is arranged on and detects outside cover and be connected with aspiration pump.
As a kind of preferred version of air tightness detection apparatus, state the first coupling arrangement and comprise the first brace and the second brace that are separately positioned on the described inside and outside both sides of detection cover, described first snorkel is fixedly connected with described second brace with described first brace respectively, O-ring seal is set between described first brace and described detection cover, between described second brace and described detection cover, O-ring seal is set.
As a kind of preferred version of air tightness detection apparatus, described pressure-detecting device comprises the second snorkel be arranged on described detection cover, one end of described second snorkel extend into described detection cover inside, the other end is arranged on detection cover outside and is connected with tensimeter, and described second snorkel is fixedly connected with described detection cover by the second coupling arrangement.
As a kind of preferred version of air tightness detection apparatus, described first brace and described second brace are bolted on the described corresponding position detecting the inside and outside both sides of cover.
As a kind of preferred version of air tightness detection apparatus, described second coupling arrangement comprises the 3rd brace and the 4th brace that are separately positioned on and detect the inside and outside both sides of cover, described second snorkel is fixedly connected with described 4th brace with described 3rd brace respectively, O-ring seal is set between described 3rd brace and described detection cover, between described 4th brace and described detection cover, O-ring seal is set.
As a kind of preferred version of air tightness detection apparatus, described 3rd brace and described 4th brace are bolted on the described corresponding position detecting the inside and outside both sides of cover.
Contrast prior art, the beneficial effects of the utility model: by detecting slot to make way cover being arranged and matches with the template at through hole place, and fitted seal layer and vacuum checking device, make air tightness detection apparatus can carry out airtight detection to the weld seam at the through hole place with template easily, structure of the detecting device is simple, detection is effective and precision is high, reduce further testing cost, improves detection efficiency.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the structural representation of the air tightness detection apparatus described in the utility model embodiment one;
Fig. 2 is that the A of Fig. 1 is to schematic diagram;
Fig. 3 is the B-B cross-sectional schematic of Fig. 1;
Fig. 4 is the structural representation of the detection position of the air tightness detection apparatus described in the utility model embodiment one;
Fig. 5 is the structural representation in Fig. 4 after through hole place welding shrouding;
Fig. 6 is the detected state schematic diagram of the air tightness detection apparatus described in the utility model embodiment one;
Fig. 7 is the structural representation of the air tightness detection apparatus described in the utility model embodiment two.
In figure:
1, cover is detected; 2, welded seam area to be detected; 3, through hole; 4, template; 5, slot to make way; 6, sealant; 7, vacuum plant; 71, the first snorkel; 72, pressurized air input pipe; 73, retaining valve; 74, the first brace; 75, the second brace; 76, the first bolt; 77, compressed air pump; 78, aspiration pump; 8, pressure-detecting device; 81, the second snorkel; 82, tensimeter; 83, the 3rd brace; 84, the 4th brace; 85, the second bolt; 9, weld seam; 10, shrouding.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one:
As shown in Figures 1 to 6, a kind of air tightness detection apparatus of the present utility model, comprise and detect cover 1 and be arranged on the vacuum checking device detected on cover 1, wherein, detect cover 1 for covering welded seam area 2 to be detected, detect on cover 1 and offer the slot to make way 5 matched with the template 4 at through hole 3 place, detect cover 1 and arrange sealant 6 with welded seam area 2 junction to be detected, slot to make way 5 and template 4 junction arrange sealant 6.
Vacuum checking device comprises vacuum plant 7 and pressure-display device 8, vacuum plant 7 is connected with detection cover 1, for vacuumizing process to detecting cover 1 with the common space limited of welded seam area 2 to be detected, pressure-display device 8 is connected, for showing in real time vacuumizing the pressure after process with detection cover 1.
Sealant 6 comprises rubber layer and is arranged on the adhesive layer of rubber layer both sides, between rubber layer and detection cover 1, is all bonded as one by adhesive layer between rubber layer and welded seam area to be detected 2, between rubber layer and slot to make way 5 and between rubber layer and template 4.By sealant 6 being set to the structure that rubber layer adds adhesive layer, on the one hand can by the gap between the elasticity adjustment detection cover 1 of rubber layer and the contact plane of welded seam area to be detected 2 and slot to make way 5 and template 4, ensure the reliability of the sealing of the plane connected, the setting of adhesive layer is convenient to detect the fixing of cover 1 and dismounting on the other hand, not only structure is simple, easy to operate, and the surface quality of welded seam area 2 to be detected or template 4 can not be destroyed in the disassembly process detecting cover 1.In the present embodiment, adhesive layer is double-sided adhesive adhesive tape.
Vacuum plant 7 comprises the first snorkel 71 being arranged on and detecting on cover 1, first snorkel 71 is fixedly connected with detection cover 1 by the first coupling arrangement, one end of first snorkel 71 extend into be detected in cover 1, the other end is arranged on and detects outside cover 1 and be connected with pressurized air input pipe 72, pressurized air input pipe 72 is perpendicular to the first snorkel 71, and be communicated with the first snorkel 71, one end of pressurized air input pipe 72 is communicated with compressed air pump 77, the other end is communicated with air, the inside of the first snorkel 71 and contiguous pressurized air input pipe 72 is provided with retaining valve 73, the air in detection cover 1 can be made to flow to pressurized air input pipe 72 by retaining valve 73.
First coupling arrangement comprises the first brace 74 and the second brace 75 being separately positioned on and detecting both sides inside and outside cover 1, first snorkel 71 is fixedly connected with the second brace 75 with the first brace 74 respectively, O-ring seal is set between the first brace 74 and detection cover 1, between the second brace 75 and detection cover 1, O-ring seal is set.In the present embodiment, the first brace 74 and the second brace 75 are fixed on the corresponding position detecting both sides inside and outside cover 1 by the first bolt 76.
Pressure-detecting device 8 comprises the second snorkel 81 being arranged on and detecting on cover, one end of second snorkel 81 extend into detects cover 1 inside, the other end is arranged on detection cover 1 outside and is connected with tensimeter 82, second snorkel 81 is fixedly connected with detection cover 1 by the second coupling arrangement, second coupling arrangement comprises the 3rd brace 83 and the 4th brace 84 that are separately positioned on and detect both sides inside and outside cover 1, second snorkel 81 is fixedly connected with the 4th brace 84 with the 3rd brace 83 respectively, between the 3rd brace 83 and detection cover 1, O-ring seal is set, between 4th brace 84 and detection cover 1, O-ring seal is set.In the present embodiment, the 3rd brace 83 and the 4th brace 84 are fixed on the corresponding position detecting both sides inside and outside cover 1 by the second bolt 85.
As shown in Figs. 4-6, through hole 3 place in welded seam area 2 to be detected is provided with template 4 mostly, and after through hole 3 is sealed by shrouding 10, utilize pick-up unit of the present utility model to carry out the airtight detection of weld seam, concrete operations are as follows:
Weld seam 9 between the shrouding 10 and template 4 at through hole 3 place smears suds, then detection cover 1 is fixed on welded seam area 2 to be detected by sealant 6, whole shrouding 10 and weld seam 9 are covered, and make template 4 be arranged in slot to make way 5, then the vacuum plant 7 in vacuum checking device is utilized to vacuumize process in detection cover 1, whether observe weld seam 9 place on the one hand has bubble to produce, whether the pressure observed after pressurize on the tensimeter 82 of pressure-display device 8 changes on the other hand, if existing bubble, air pressure also declines, illustrate that weld seam 9 is defective, at generation bubble place, weld seam 9 is leaky, otherwise, then judge that weld seam 9 is qualified.
Embodiment two:
As shown in Figure 7, the structure of the present embodiment and embodiment one is basically identical, and difference is only: the vacuum plant 7 of the present embodiment adopts the structure directly vacuumized, and the structure that the pressurized air that embodiment one adopts vacuumizes, concrete structure is as follows:
Vacuum plant 7 comprises the first snorkel 71 being arranged on and detecting on cover 1, first snorkel 71 is fixedly connected with detection cover 1 by the first coupling arrangement, one end of first snorkel 71 extend into be detected in cover 1, and the other end is arranged on and detects outside cover 1 and be connected with aspiration pump 78.
In description of the present utility model, it is to be appreciated that term " first ", " second ", " the 3rd ", " the 4th ", only for being distinguished in description, not special implication.
It is to be understood that; above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the change that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection domain of the present utility model.
Claims (10)
1. an air tightness detection apparatus, is characterized in that, comprising:
Detect cover, for covering welded seam area to be detected, described detection cover offers the slot to make way matched with the template at through hole place, and described detection cover and welded seam area junction to be detected arrange sealant, and described slot to make way and described template junction arrange sealant;
Vacuum checking device, comprise vacuum plant and pressure-display device, described vacuum plant with described detect to cover be connected, space for jointly limiting described detection cover and described welded seam area to be detected vacuumizes process, described pressure-display device with described detect to cover be connected, for showing in real time vacuumizing the pressure after process.
2. air tightness detection apparatus according to claim 1, it is characterized in that, described detection cover adopts transparent material to make at least partly, described sealant comprises rubber layer and is arranged on the adhesive layer of described rubber layer both sides, between described rubber layer and described detection cover, between described rubber layer and described welded seam area to be detected, is all bonded as one by described adhesive layer between described rubber layer and described slot to make way and between described rubber layer and described template.
3. air tightness detection apparatus according to claim 2, is characterized in that, described adhesive layer is double-sided adhesive adhesive tape.
4. air tightness detection apparatus according to claim 1, it is characterized in that, described vacuum plant comprises the first snorkel be arranged on described detection cover, described first snorkel is fixedly connected with described detection cover by the first coupling arrangement, one end of described first snorkel extend in described detection cover, the other end is arranged on and detects outside cover and be connected with pressurized air input pipe, described pressurized air input pipe is perpendicular to described first snorkel, and be communicated with described first snorkel, one end of described pressurized air input pipe and compressed air communication, the other end is communicated with air, the inside of described first snorkel and contiguous described pressurized air input pipe is provided with retaining valve, the described air detected in cover can be made to flow to described pressurized air input pipe by described retaining valve.
5. air tightness detection apparatus according to claim 1, it is characterized in that, described vacuum plant comprises the first snorkel be arranged on described detection cover, described first snorkel is fixedly connected with described detection cover by the first coupling arrangement, one end of described first snorkel extend in described detection cover, and the other end is arranged on and detects outside cover and be connected with aspiration pump.
6. the air tightness detection apparatus according to claim 4 or 5, it is characterized in that, described first coupling arrangement comprises the first brace and the second brace that are separately positioned on the described inside and outside both sides of detection cover, described first snorkel is fixedly connected with described second brace with described first brace respectively, O-ring seal is set between described first brace and described detection cover, between described second brace and described detection cover, O-ring seal is set.
7. air tightness detection apparatus according to claim 1, it is characterized in that, described pressure-detecting device comprises the second snorkel be arranged on described detection cover, one end of described second snorkel extend into described detection cover inside, the other end is arranged on detection cover outside and is connected with tensimeter, and described second snorkel is fixedly connected with described detection cover by the second coupling arrangement.
8. air tightness detection apparatus according to claim 6, is characterized in that, described first brace and described second brace are bolted on the described corresponding position detecting the inside and outside both sides of cover.
9. air tightness detection apparatus according to claim 7, it is characterized in that, described second coupling arrangement comprises the 3rd brace and the 4th brace that are separately positioned on and detect the inside and outside both sides of cover, described second snorkel is fixedly connected with described 4th brace with described 3rd brace respectively, O-ring seal is set between described 3rd brace and described detection cover, between described 4th brace and described detection cover, O-ring seal is set.
10. air tightness detection apparatus according to claim 9, is characterized in that, described 3rd brace and described 4th brace are bolted on the described corresponding position detecting the inside and outside both sides of cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600717.5U CN204214612U (en) | 2014-10-16 | 2014-10-16 | Air tightness detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600717.5U CN204214612U (en) | 2014-10-16 | 2014-10-16 | Air tightness detection apparatus |
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| Publication Number | Publication Date |
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| CN204214612U true CN204214612U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420600717.5U Active CN204214612U (en) | 2014-10-16 | 2014-10-16 | Air tightness detection apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973545A (en) * | 2016-07-11 | 2016-09-28 | 贵州凯阳航空发动机有限公司 | Engine I-th fulcrum detection clamp and detection system composed thereof |
| CN105973692A (en) * | 2015-08-13 | 2016-09-28 | 北京强度环境研究所 | Universal interface device in fairing pressure test and application method thereof |
| CN108332917A (en) * | 2017-12-08 | 2018-07-27 | 西安飞机工业（集团）有限责任公司 | A kind of method of composite material type plate welding seams air leakage point detection |
| CN111175175A (en) * | 2020-02-26 | 2020-05-19 | 德州宏沃环保工程有限公司 | Fixed connection inflation detection device for plastic film welding seams |
| CN112924160A (en) * | 2021-01-29 | 2021-06-08 | 广船国际有限公司 | Subsea door airtightness test tool, subsea door sealing method and ship airtightness test method |
-
2014
- 2014-10-16 CN CN201420600717.5U patent/CN204214612U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973692A (en) * | 2015-08-13 | 2016-09-28 | 北京强度环境研究所 | Universal interface device in fairing pressure test and application method thereof |
| CN105973545A (en) * | 2016-07-11 | 2016-09-28 | 贵州凯阳航空发动机有限公司 | Engine I-th fulcrum detection clamp and detection system composed thereof |
| CN108332917A (en) * | 2017-12-08 | 2018-07-27 | 西安飞机工业（集团）有限责任公司 | A kind of method of composite material type plate welding seams air leakage point detection |
| CN111175175A (en) * | 2020-02-26 | 2020-05-19 | 德州宏沃环保工程有限公司 | Fixed connection inflation detection device for plastic film welding seams |
| CN112924160A (en) * | 2021-01-29 | 2021-06-08 | 广船国际有限公司 | Subsea door airtightness test tool, subsea door sealing method and ship airtightness test method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510382 Fangcun Road, Guangdong, Liwan District Province, south of No. 40, No. Patentee after: CSSC OFFSHORE & MARINE ENGINEERING (GROUP) COMPANY LIMITED Address before: 510382 Fangcun Road, Guangdong, Liwan District Province, south of No. 40, No. Patentee before: Guangzhou Shipyard International Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151223 Address after: 511462 Nansha District, Guangzhou, Pearl River Management District, West Road, No., the first floor of the layer on the ground floor, No. 68 Patentee after: GUANGZHOU SHIPYARD INTERNATIONAL COMPANY LIMITED Address before: 510382 Fangcun Road, Guangdong, Liwan District Province, south of No. 40, No. Patentee before: CSSC OFFSHORE & MARINE ENGINEERING (GROUP) COMPANY LIMITED |