CN102109403A - Leakage detector of welding seam of container - Google Patents

Leakage detector of welding seam of container Download PDF

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Publication number
CN102109403A
CN102109403A CN2009102510402A CN200910251040A CN102109403A CN 102109403 A CN102109403 A CN 102109403A CN 2009102510402 A CN2009102510402 A CN 2009102510402A CN 200910251040 A CN200910251040 A CN 200910251040A CN 102109403 A CN102109403 A CN 102109403A
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CN
China
Prior art keywords
sealing gasket
detection case
elastic sealing
uncovered
container
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Pending
Application number
CN2009102510402A
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Chinese (zh)
Inventor
罗勇
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Individual
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Individual
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Priority to CN2009102510402A priority Critical patent/CN102109403A/en
Publication of CN102109403A publication Critical patent/CN102109403A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a leakage detector of a welding seam of a container, comprising a transparent open detecting box. The open detecting box is provided with a vacuum meter, a gas exhaust port and a gas inlet; the open edge of the open detecting box is provided with an elastic sealing gasket; the cross section of the elastic sealing gasket is of an inward-concave groove-shaped structure; a welding seam containing groove is arranged on the surface at which the elastic sealing gasket and the welding seam of the container to be detected are contacted. In the leakage detector, a part to be detected is pressed by the elastic sealing gasket, a ring-shaped sealing cavity body is formed at the bottom of the elastic sealing gasket; after the open detecting box is pressed, negative pressure is formed in the ring-shaped sealing cavity body, and the elastic sealing gasket is firmly absorbed on the part to be detected; and as the welding seam containing groove is arranged on the surface where the elastic sealing gasket and the welding seam of the container to be detected are contacted, when the welding seam is detected, better gas tightness between inside and outside of the open detecting box can be formed by sealing the welding seam containing groove of the elastic sealing gasket and the welding seam, so that one-time detection success is achieved.

Description

Container weld leakage detector
Technical field
The present invention relates to a kind of container leakage pick-up unit, relate in particular to a kind of container weld leakage detector.
Background technology
At present, the inspection of container weld leakage is by container is carried out water-filling or inflation mostly.Water detects, and mainly observes whether seepage of container face of weld, but has water intaking and drainage problem; Inflation detects, and needs at container face of weld brushing gas-development agent, and whether observation container face of weld exists foaming, and both spended time was long, expense is high for above-mentioned two kinds of detection methods, and can only detect at the container of sealing.
In the prior art, begin to have occurred the vacuum detecting method,,, vacuumize in the uncovered detection case, observe whether produce bubble, thereby determined whether leakage point with uncovered detection case cover at the position brushing gas-development agent that container weld seam outer wall need detect.Existing container weld leakage detector, employing is provided with elastic sealing gasket at the uncovered edge of uncovered detection case, be pressed in by elastic sealing gasket and form hermetic seal inside and outside making uncovered detection case on the position to be detected, but this weld seam reveals the elastic sealing gasket of property detection case and be difficult to reach sealing fully, vacuumizing before, must lean on operating personnel with defeating, and can not loose one's grip, in case loose one's grip, when vacuumizing, the gas outside the uncovered detection case is to internal leakage, cause detecting failure, must detect again.Special in the boss that detects as the weld seam, uncovered detection case is difficult in the weld seam position and forms hermetic seal, often needs to detect several times, and detection is got up both time-consuming, require great effort again, and it is not high to be detected as power.
Summary of the invention
At above shortcomings in the prior art, it is better to the invention provides a kind of sealing effectiveness, operates container weld leakage detector simpler, laborsaving, that detection has higher success rate.
Container weld leakage detector provided by the invention, comprise transparent uncovered detection case, on the described uncovered detection case vacuum meter, bleeding point and air intake opening are set, the uncovered edge of described uncovered detection case is provided with elastic sealing gasket, the xsect of elastic sealing gasket is the bathtub construction that concaves, and the surface that elastic sealing gasket contacts with container weld seam to be detected is provided with weld seam and contains groove.
Further, be provided with on the described uncovered detection case with weld seam and contain the corresponding hold down gag of groove, hold down gag comprises two swivel arms and is arranged on two back-moving springs between the swivel arm, and described swivel arm one end is hinged on the uncovered detection case, and the other end is the end that compresses that is pressed on the elastic sealing gasket;
Further, hold down gag also comprises two contact rollers, and the end bending formation that compresses of described swivel arm is contained the bending part that groove parallels with weld seam, and described contact roller is enclosed within on the bending part of swivel arm in rotating mode;
Further, on the described uncovered detection case handle is set, handle for uncovered detection case in the tubular structure that is communicated with, the air intake opening of uncovered detection case is arranged on the handle;
Further, also comprise the vacuum-pump power supply switch, described vacuum-pump power supply switch is arranged on the uncovered detection case near handle side.
Beneficial effect of the present invention is: the uncovered edge of uncovered detection case of the present invention is provided with elastic sealing gasket, the elastic sealing gasket xsect is the bathtub construction that concaves, the ring seal cavity was formed on the elastic sealing gasket bottom when elastic sealing gasket was pressed on the position to be detected, behind the uncovered detection case pressurized, form negative pressure in the annular seal space, elastic sealing gasket is by firm being adsorbed on the position to be detected, before vacuumizing, only need operating personnel to press a lower open mouth detection case just can loose one's grip, need not always according to, operate simpler, laborsaving; Simultaneously the surface that contact with weld seam to be detected of elastic sealing gasket is provided with weld seam and contains groove, and the weld seam by elastic sealing gasket when detecting weld seam contains groove and weld seam and seals mutually and can make the better impermeability of formation inside and outside the uncovered detection case, and it is successful to reach one-time detection.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of elastic sealing gasket;
Fig. 3 is the cross section view of Fig. 2 along the A-A direction.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done explanation in further detail.
Fig. 1 is a structural representation of the present invention, Fig. 2 is the structural representation of elastic sealing gasket, Fig. 3 is the cross section view of Fig. 2 along the A-A direction, as shown in the figure: container weld leakage detector comprises well-illuminated uncovered detection case 1, on the uncovered detection case 1 vacuum meter 2 is set, bleeding point 3 and air intake opening 4, the uncovered edge of uncovered detection case is provided with elastic sealing gasket 5, the xsect of elastic sealing gasket 5 is the bathtub construction 6 that concaves, the surface that elastic sealing gasket 5 contacts with container weld seam to be detected is provided with weld seam and contains groove 7, uncovered detection case 1 is a whole clearing, is convenient to observe from all directions; Notch contacted with position to be detected when the elastic sealing gasket 5 of the bathtub construction of indent used.When elastic sealing gasket 5 was pressed on the position to be detected, the ring seal cavity was formed on the bottom of elastic sealing gasket 5, in case uncovered detection case 1 pressurized forms negative pressure in the annular seal space, elastic sealing gasket is adsorbed on the position to be detected securely; Simultaneously the surface that contact with container weld seam to be detected of elastic sealing gasket is provided with weld seam and contains groove, and the weld seam containing groove by elastic sealing gasket when detecting weld seam and weld seam seal mutually and can make the better impermeability of formation inside and outside the uncovered detection case.
Present embodiment is detecting setting and weld seam containing groove 7 corresponding hold down gags on the casing 1, hold down gag comprises two swivel arms 8, two contact rollers 9 and be arranged on two back-moving springs 10 between the swivel arm 8, swivel arm 8 one ends are hinged on and detect on the casing 1, other end bending formation is contained the bending part that groove 7 parallels with weld seam, contact roller 9 is enclosed within on the bending part of swivel arm 8 in rotating mode, the contact roller 9 of present embodiment is enclosed within on the bending part of swivel arm 8 in the mode of clearance fit, during use, contact roller 9 rotate can extenuate and elastic sealing gasket between friction.When detecting the boss of picture welding, under the effect of back-moving spring 10 tightening forces, two squeegee rollers 9 are pressed on the elastic sealing gasket of boss both sides respectively, make boss uncovered detection case 1 inside and outside reach better sealing effectiveness.
Present embodiment adopts and in uncovered detection case both sides handle 11 to be set respectively, installs or to mention uncovered detection case very convenient by handle 11; The handle 11 of present embodiment is a tubular structure, and two mouths of pipe of tubular structure are communicated with uncovered detection case is interior, and the air intake opening 4 of uncovered detection case is arranged on the handle 11 of tubular structure, and vacuum-pump power supply switch 12 is arranged on the uncovered detection case 1 near handle 11 sides.During use, when uncovered detection case being installed, can press vacuum-pump power supply switch 12 and start vacuum pumps by handle 11, vacuumize detection after, hold handle 11 and open the valve that is arranged on the air intake opening 4, air inlet in uncovered detection case makes elastic sealing gasket break away from position to be detected.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (5)

1. container weld leakage detector, comprise transparent uncovered detection case (1), vacuum meter (2), bleeding point (3) and air intake opening (4) are set on the described uncovered detection case (1), the uncovered edge of described uncovered detection case (1) is provided with elastic sealing gasket (5), it is characterized in that: the xsect of described elastic sealing gasket (5) is the bathtub construction (6) that concaves, and the surface that elastic sealing gasket (5) contacts with container weld seam to be detected is provided with weld seam and contains groove (7).
2. container weld leakage detector according to claim 1, it is characterized in that: described uncovered detection case (1) is gone up to be provided with weld seam and is contained the corresponding hold down gag of groove (7), hold down gag comprises two swivel arms (8) and is arranged on back-moving spring (10) between two swivel arms (8), described swivel arm (8) one ends are hinged on the uncovered detection case (1), and the other end is the end that compresses that is pressed on the elastic sealing gasket.
3. container weld leakage detector according to claim 2, it is characterized in that: described hold down gag also comprises two contact rollers (9), the end bending formation that compresses of described swivel arm (8) is contained the bending part that groove (7) parallels with weld seam, and described contact roller (9) is enclosed within on the bending part of swivel arm (8) in rotating mode.
4. container weld leakage detector according to claim 3, it is characterized in that: handle (11) is set on the described uncovered detection case, handle (11) is and the interior tubular structure that is communicated with of uncovered detection case (1) that the air intake opening of uncovered detection case (4) is arranged on the handle (11).
5. container weld leakage detector according to claim 4 is characterized in that: also comprise vacuum-pump power supply switch (12), described vacuum-pump power supply switch is arranged on uncovered detection case (1) and goes up near handle (11) side.
CN2009102510402A 2009-12-28 2009-12-28 Leakage detector of welding seam of container Pending CN102109403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102510402A CN102109403A (en) 2009-12-28 2009-12-28 Leakage detector of welding seam of container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102510402A CN102109403A (en) 2009-12-28 2009-12-28 Leakage detector of welding seam of container

Publications (1)

Publication Number Publication Date
CN102109403A true CN102109403A (en) 2011-06-29

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102564703A (en) * 2012-01-06 2012-07-11 重庆生竹科技发展有限公司 Quality detection device for shipbuilding steel plate butt-jointed seams
CN103115732A (en) * 2011-11-16 2013-05-22 五冶集团上海有限公司 Dust remover welding seam checkout device and using method thereof
CN107328534A (en) * 2015-10-13 2017-11-07 吴红平 Welding airtightness test device and its method of testing
CN109000850A (en) * 2018-05-07 2018-12-14 中车青岛四方机车车辆股份有限公司 A kind of air-conditioner set sealing performance test method
CN109870277A (en) * 2019-03-15 2019-06-11 华域皮尔博格泵技术有限公司 A kind of device for testing pump chamber air-tightness

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103115732A (en) * 2011-11-16 2013-05-22 五冶集团上海有限公司 Dust remover welding seam checkout device and using method thereof
CN102564703A (en) * 2012-01-06 2012-07-11 重庆生竹科技发展有限公司 Quality detection device for shipbuilding steel plate butt-jointed seams
CN102564703B (en) * 2012-01-06 2014-06-11 重庆生竹科技发展有限公司 Quality detection device for shipbuilding steel plate butt-jointed seams
CN107328534A (en) * 2015-10-13 2017-11-07 吴红平 Welding airtightness test device and its method of testing
CN107328534B (en) * 2015-10-13 2019-11-05 吴红平 Welding airtightness test device and its test method
CN109000850A (en) * 2018-05-07 2018-12-14 中车青岛四方机车车辆股份有限公司 A kind of air-conditioner set sealing performance test method
CN109870277A (en) * 2019-03-15 2019-06-11 华域皮尔博格泵技术有限公司 A kind of device for testing pump chamber air-tightness

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Application publication date: 20110629