CN202974589U - Vacuum cover for weld leakage detection - Google Patents
Vacuum cover for weld leakage detection Download PDFInfo
- Publication number
- CN202974589U CN202974589U CN 201220696854 CN201220696854U CN202974589U CN 202974589 U CN202974589 U CN 202974589U CN 201220696854 CN201220696854 CN 201220696854 CN 201220696854 U CN201220696854 U CN 201220696854U CN 202974589 U CN202974589 U CN 202974589U
- Authority
- CN
- China
- Prior art keywords
- transparent casing
- left end
- vacuum cover
- ball valve
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a vacuum cover for weld leakage detection. The vacuum cover comprises a transparent casing and a baseplate. The transparent casing is fixed on the base with an opening in the center, a ball valve is arranged at the left end of the transparent casing, a coupling is arranged at the right end of the transparent casing, and two rib plates are arranged inside the transparent casing. A hanging ring is fixedly mounted at the left end of the ball valve, and a sealing gasket, sharing the same area and the same opening position with the base, is adhered to a lower surface of the base. The vacuum cover is simple in structure, reasonable in design, low in manufacturing difficulties and production cost, simple and labor-saving in operation, and has good sealing effect; the hanging ring is mounted, so that position can be rapidly moved; and detection precision of the method is not less than that of an airtight detecting method or an watertight detecting method, and one-step detecting precision rate is high.
Description
Technical field
The utility model relates to a kind of vacuum (-tight) housing, particularly relates to a kind of weld leakage for detection of tubular heat exchanger heat exchanger tube and heat exchanger tube mouth of pipe welding quality and detects vacuum (-tight) housing.
Background technology
At present, tubular heat exchanger is exchanged heat pipe and heat exchanger tube mouth of pipe weld joint close Feng Xingxu and is carried out conventional airtight or watertight and detect in manufacturing process.Yet conventional airtight or watertight detection method, complicated operation, the setup time or the detection time that need are longer, and expense is high, therefore are necessary existing weld leakage device is improved, and making that the leak detection operation is simpler, laborsaving, accuracy in detection is high.
Summary of the invention
The purpose of this utility model is to overcome the weak point that exists in above-mentioned technology, provides a kind of simple in structure, reasonable in design, and self sealss are effective, and are simple to operate, laborsaving, and is detected as the high weld leakage detection vacuum (-tight) housing of power.
In order to achieve the above object, the technical solution adopted in the utility model is: comprise transparent casing, base plate, described transparent casing is fixed on the base plate that central authorities are provided with opening, left end is provided with ball valve, right-hand member is equipped with pipe adapter, inside also is provided with two gussets, and the left end of described ball valve is installed with suspension ring, and the base plate lower surface is bonded with the sealing gasket identical with base areas, that aperture position is identical.
The utility model has the advantages that:
1. simple in structure, reasonable in design, manufacture difficulty and cost are low;
2. suspension ring are installed, and the shift position is rapid, and is simple to operate, laborsaving;
3. self sealss are effective, and accuracy of detection is not less than airtight or the watertight detection method, and the one-time detection accuracy is high.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the cross section view of the A-A direction of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
By Fig. 1-Fig. 2 as can be known, the utility model comprises transparent casing 3, base plate 7, described transparent casing 3 is fixed on the base plate 7 that central authorities are provided with opening, left end is provided with ball valve 2, right-hand member is equipped with pipe adapter 6, inside also is provided with two gussets 4, and the left end of described ball valve 2 is installed with suspension ring 1, base plate 7 lower surfaces are bonded with sealing gasket 8 identical with base plate 7 areas, that aperture position is identical.
Described pipe adapter 6 left ends also are provided with ring flange 9, and ring flange 9 is arranged on transparent casing 3 by screw 5.
Described transparent casing 3 is circular arc on radial section.
The material that described transparent casing 3 adopts is organic glass.
The utility model comprises that radial section is transparent organic glass transparent casing 3, base plate 7, ball valve 2, pipe adapter 6, sealing gasket 8, gusset 4 of circular arc etc., gusset 4 is arranged in the inside of transparent casing 3, be generally two, along with the variation of the volume of vacuum (-tight) housing, can arrange more than two.Pipe adapter 6 and transparent casing 3 use screws 5 to be fixedly connected with by ring flange 9, also can be by other means, as the integrally casting moulding etc., be installed with suspension ring 1 at the left end of ball valve 2, and suspension ring 1 make the Mobile vacuum cover rapid, convenient and strength-saving.In the implementation process that weld leakage detects, at first need to coat foaming agent in the commissure in tested zone, then two vacuum (-tight) housing symmetries are placed on condenser shell both sides, with the bottom and the parallel contact in the tested zone of condenser tube sheet end face with sealing gasket 8, vacuum pump is connected with pipe adapter 6 by sebific duct, open vacuum pump, make whole enclosure space be in the negative-pressure vacuum state, can many-sided observe weld seam whether Bubble formation by translucent cover this moment, thereby judge whether weld seam has pore, and whether leakage point is namely arranged.
Claims (4)
1. a weld leakage detects vacuum (-tight) housing, comprise transparent casing (3), base plate (7), it is characterized in that: described transparent casing (3) is fixed on the base plate (7) that central authorities are provided with opening, left end is provided with ball valve (2), right-hand member is equipped with pipe adapter (6), inside also is provided with two gussets (4), the left end of described ball valve (2) is installed with suspension ring (1), base plate (7) lower surface is bonded with sealing gasket (8) identical with base plate (7) area, that aperture position is identical.
2. a kind of weld leakage according to claim 1 detects vacuum (-tight) housing, and it is characterized in that: described pipe adapter (6) left end also is provided with ring flange (9), and ring flange (9) is arranged on transparent casing (3) by screw (5).
3. a kind of weld leakage according to claim 1 detects vacuum (-tight) housing, and it is characterized in that: described transparent casing (3) is circular arc on radial section.
4. a kind of weld leakage according to claim 1 detects vacuum (-tight) housing, it is characterized in that: the material that described transparent casing (3) adopts is organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696854 CN202974589U (en) | 2012-12-17 | 2012-12-17 | Vacuum cover for weld leakage detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696854 CN202974589U (en) | 2012-12-17 | 2012-12-17 | Vacuum cover for weld leakage detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974589U true CN202974589U (en) | 2013-06-05 |
Family
ID=48515647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220696854 Expired - Fee Related CN202974589U (en) | 2012-12-17 | 2012-12-17 | Vacuum cover for weld leakage detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749043A (en) * | 2015-04-16 | 2015-07-01 | 中船黄埔文冲船舶有限公司 | Ship navigation equipment pressure testing device and method |
| CN106768680A (en) * | 2016-12-01 | 2017-05-31 | 南京哈维斯特精密机械有限公司 | A kind of efficient foam formula nondestructive inspection test device of convenient use |
-
2012
- 2012-12-17 CN CN 201220696854 patent/CN202974589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749043A (en) * | 2015-04-16 | 2015-07-01 | 中船黄埔文冲船舶有限公司 | Ship navigation equipment pressure testing device and method |
| CN106768680A (en) * | 2016-12-01 | 2017-05-31 | 南京哈维斯特精密机械有限公司 | A kind of efficient foam formula nondestructive inspection test device of convenient use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |