CN219416592U - Weld water tightness detection device - Google Patents
Weld water tightness detection device Download PDFInfo
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- CN219416592U CN219416592U CN202223335388.XU CN202223335388U CN219416592U CN 219416592 U CN219416592 U CN 219416592U CN 202223335388 U CN202223335388 U CN 202223335388U CN 219416592 U CN219416592 U CN 219416592U
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- negative pressure
- detection device
- detection box
- water tightness
- pushing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a weld water tightness detection device which comprises a detection box (1), a vacuum gauge (3), an extension plate (4) and a negative pressure sucker (7), wherein the detection box (1) is provided with a negative pressure connecting pipe (2) connected with negative pressure equipment, the lower end of the detection box (1) is opened, the upper end of the detection box is sealed, the vacuum gauge (3) is fixed on the detection box (1), the extension plate (4) is fixed on the lower end opening of the detection box (1) and extends towards a direction far away from the detection box (1), and the outer side of the extension plate (4) is provided with the negative pressure sucker (7) encircling the detection box (1), and a negative pressure space (8) is formed by the negative pressure sucker and the surface where a weld joint (21) is located. Compared with the prior art, the multi-stage sealing connection of the surface of the detection box and the surface of the welding line is realized, and even if the number of times of use is increased, the adhesion tightness of the surface of the detection device and the surface of the welding line is not reduced.
Description
Technical Field
The utility model belongs to the technical field of ship weld joint detection equipment, and relates to a weld joint water tightness detection device.
Background
The ship inspection aims to promote a ship company to maintain good technical conditions of the ship through inspection of the ship and equipment thereof so as to ensure the operation safety of the ship and prevent pollution and damage to the marine environment. The water tightness detection is one of important detection items for ship detection, plays an important role in monitoring the advancing safety of the ship, and the positions of leakage points are mostly the positions of welding seams through analysis of reasons affecting the water tightness.
The common detection device can refer to a welding seam tightness detection device disclosed in Chinese patent document with an authorized publication number of CN203705129U, a vacuum valve and a vacuum meter are arranged on the detection device, when the welding seam tightness is detected, soapy water is sprayed on the welding seam, and the detection device is buckled on the surface where the welding seam is required to be detected by using a bonding material; and vacuumizing the detection device to form negative pressure, forming a negative pressure state in the detection device, judging the tightness of the detection device according to whether bubbles appear at the welding seam, and drawing marks at unqualified positions to be reworked for repairing. When in actual use, the detection device needs to be tightly adhered to the surface of the welding line, so that a sealed space is formed in the detection device, and the vacuum pumping can be performed, so that negative pressure is formed in the sealed space.
The detection device is mainly used for bonding the welding seam on the surface of the welding seam through smearing the bonding material, after detecting the welding seam on one position, the detection device is detached for detecting the welding seam on the next position, and the corresponding surface of the bonding material smeared by the detection device can leave some residual waste glue because of the previous detection, when detecting the next welding seam, new glue needs to be smeared on the surface of the waste glue, and because the positions of the welding seam needing to be detected are more, after the welding seam is used for more times, the accumulated waste glue on the corresponding surface of the detection device is more, the tightness of the subsequent welding seam bonding with the surface of the welding seam is affected, so that a sealing space is not formed in the detection device, and the detection result of the water tightness of the welding seam is affected.
Patent CN102109403a discloses a container welding seam leakage detector, which comprises a transparent open detection box, wherein a vacuum gauge, an air extraction opening and an air inlet are arranged on the open detection box, an elastic sealing gasket is arranged at the edge of the opening of the open detection box, the cross section of the elastic sealing gasket is of an inward groove-shaped structure, and a welding seam containing groove is formed in the surface of the elastic sealing gasket, which is in contact with a container welding seam to be detected. However, the patent relies on only the elastic gasket to achieve the negative pressure seal, the means is single, and once the elastic gasket fails, the seal fails completely without remedial measures.
Patent CN216791555U discloses a marine steel plate weld tightness detection device, which comprises a cylindrical cavity and a connector arranged on the side surface of the cavity, wherein the top of the cavity is closed, the bottom of the cavity is open, a sealing layer is arranged at the bottom of the cavity, the sealing layer is of an elastic annular structure, a groove which is downwards opened is arranged at the bottom of the cavity, and the sealing layer is just embedded in the groove, so that the bottom of the sealing layer extends out of the groove; the connector comprises a hollow connecting rod, one end of the connecting rod is closed, the other end of the connecting rod is communicated with the inside of the cavity, a barometer and a valve are further arranged on the connecting rod respectively, and the valve is connected to the vacuum machine. But this patent also has only one sealing means, and lacks compensation once it fails.
Disclosure of Invention
The utility model aims to solve the technical problems that the bonding compactness between a detection device and a welding seam is reduced along with the increase of the using times in the prior art and the welding seam water tightness detection result is affected, and provides the welding seam water tightness detection device.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a weld water tightness detection device which comprises a detection box, a vacuum gauge, an extension plate and a negative pressure sucker, wherein the detection box is provided with a negative pressure connecting pipe connected with negative pressure equipment, the lower end of the detection box is opened, the upper end of the detection box is sealed, the vacuum gauge is fixed on the detection box, the extension plate is fixed on the lower end opening of the detection box and extends in a direction away from the detection box, the outer side of the extension plate is provided with the negative pressure sucker encircling the detection box, and a negative pressure space is formed by the negative pressure sucker and the surface where a weld is located.
Further, the extension board on be arranged the passageway of intercommunication negative pressure space, the other end intercommunication external world of this passageway, the passageway be equipped with the guide bar, the extension board on be provided with the ring channel that is located the passageway side, the guide bar on be provided with the annular slab of inserting in the ring channel, the ring channel in be provided with vertical roof pressure ring shaped plate so that annular slab upper end and the spring of ring channel roof stop matched.
Further, the annular plate is provided with a leak hole.
As the preferable technical scheme, the number of the leak holes is four, and the four leak holes are uniformly distributed at intervals in the circumferential direction of the annular plate.
Further, an annular gap is arranged between the guide rod and the channel, the annular gap comprises an upper annular gap positioned at the upper end of the annular groove and a lower annular gap positioned at the lower end of the annular groove, the upper annular gap is communicated with the outside, and the lower annular gap is communicated with the negative pressure space.
As the preferable technical scheme, the upper annular gap and the lower annular gap are communicated through the annular plate leak holes when the guide rod moves downwards and are in a communication position, and are isolated from the annular groove after being blocked by the upper end part of the annular plate when the guide rod moves upwards and are in an isolation position.
Further, the pushing piece which can transversely push the guide rod downwards to separate the annular plate on the guide rod from the top of the annular groove is detachably arranged on the extension plate.
Further, the upper end of the guide rod is provided with an inclined pushing surface, the extension plate is provided with a pushing hole for enabling the pushing piece to be inserted into the inclined pushing surface to enable the guide rod to move downwards, the side of the channel is provided with an inserting hole for enabling the pushing piece to pass through the pushing hole and the channel and then be inserted into the inserting hole, and the sizes of the pushing hole and the inserting hole are matched with those of the pushing piece.
Further, a magnetic sheet is arranged on the inner surface of the jack, and a metal part which is inserted into the jack and then is attracted with the magnetic sheet is arranged at the end part of the pushing piece.
Further, the pushing piece is a bolt rod.
Further, the lower side of the extension plate is provided with a plurality of concave grooves which are arranged at intervals, each concave groove is filled with a sealing strip, the end plane between the two concave grooves on the extension plate is provided with a bonding position for coating bonding materials.
As a preferable technical scheme, the lower side of the extension plate is provided with three concave grooves which are arranged at intervals.
As the preferable technical scheme, the bonding material comprises sealant or structural adhesive, and the type can be silicone structural sealant or acrylic structural adhesive, so that the bonding material is quick in condensation, high in strength, cold-resistant, heat-resistant and acid-alkali-resistant.
Further, the upper cover plate of the detection box is provided with a transparent observation position for observing the inside of the detection box.
The implementation principle of the utility model is as follows: when the welding line is detected, the foaming liquid is poured onto the welding line, the detection box is adhered to the surface of the welding line, the adhesion position and the sealing strips firstly realize multistage sealing, along with the increase of the using times, even if the waste glue on the adhesion position is too much, the sealing performance in the detection box can be ensured by the sealing strips, in addition, the pushing piece is pushed to push the guide rod to move downwards, the annular plate is separated from the groove top of the annular groove, the upper annular gap and the lower annular gap are communicated through the leak holes, meanwhile, the negative pressure sucking disc is attached to the surface of the welding line by pressing the detection box, the gas in the negative pressure space sequentially passes through the lower annular gap, the leak holes and the upper annular gap and is discharged to the outside, then the pushing piece is pulled out, the annular plate of the guide rod is blocked with the groove top of the annular groove, the upper annular gap is isolated from the lower annular gap, and the negative pressure sucking disc is sucked on the surface of the welding line, so that the tightness of the surface of the detection box and the welding line is improved again on the basis of the sealing strip and the adhesion position; and then sucking air in the detection box through the negative pressure connecting pipe, judging the tightness of the detection box according to whether bubbles appear at the welding seam, and drawing marks at unqualified positions to finish detection.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the multi-stage sealing connection between the detection box and the surface of the welding line is realized through the multi-stage sealing of the bonding position and the sealing strip and the resealing of the negative pressure sucker, and even if the number of times of use is increased, the bonding tightness between the detection device and the surface of the welding line is not reduced.
Drawings
FIG. 1 is a front sectional view of a weld water tightness detection device in an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the embodiment A of the present utility model;
FIG. 3 is a front view of a weld water tightness detection device in an embodiment of the present utility model;
FIG. 4 is a top view of a weld water tightness detection device in an embodiment of the utility model;
FIG. 5 is an enlarged schematic view of embodiment B of the present utility model;
FIG. 6 is a top view of an annular plate in an embodiment of the present utility model.
The figure indicates:
1-detecting box, 2-negative pressure connecting pipe, 3-vacuum meter, 4-extension board, 5-sealing strip, 6-bonding position, 7-negative pressure sucker, 8-negative pressure space, 9-guide rod, 10-annular groove, 11-annular plate, 12-spring, 13-upper annular gap, 14-lower annular gap, 15-pushing piece, 16-leak hole, 17-inclined pushing surface, 18-pushing hole, 19-jack, 20-transparent observing position, 21-weld joint, 22-channel, 23-metal part and 24-magnetic sheet.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
a weld water tightness detection device, as shown in fig. 1, 3 and 4, comprising:
the detection box 1 is provided with a negative pressure connecting pipe 2 connected with negative pressure equipment, the lower end of the detection box is open, and the upper end of the detection box is sealed;
a vacuum gauge 3 fixed on the detection box 1;
the extension board 4 is fixed on the lower extreme opening of detecting box 1, extends towards the direction of keeping away from detecting box 1, and a plurality of sealing strips 5 have been arranged to the interval on the extension board 4, have the bonding position 6 of scribbling bonding material between the adjacent sealing strip 5, and bonding material is acrylic acid structural adhesive in this embodiment preferably, and the outside of extension board 4 still has the negative pressure sucking disc 7 that encircles detecting box 1.
As shown in fig. 1, three concave grooves are arranged at intervals on the lower side of the extension plate 4, sealing strips 5 are filled in each concave groove, and bonding positions 6 are formed on the end plane of the extension plate, which is positioned between the two concave grooves.
As shown in fig. 1 and 2, the surface where the negative pressure suction cup 7 and the welding seam 21 are located is defined to form a negative pressure space 8, a channel 22 communicated with the negative pressure space 8 is arranged on the extension plate 4, the other end of the channel 22 is communicated with the outside, a guide rod 9 is assembled in the channel 22, an annular groove 10 positioned beside the channel 22 is further formed in the extension plate 4, the guide rod 9 is provided with an annular plate 11 inserted into the annular groove 10, and a spring 12 vertically pushing against the annular plate 11 is further arranged in the annular groove 10 so that the upper end part of the annular plate 11 is in blocking fit with the top of the annular groove 10.
As shown in fig. 2 and 6, an annular gap is arranged between the guide rod 9 and the channel 22, the annular gap comprises an upper annular gap 13 positioned at the upper end of the annular groove 10 and a lower annular gap 14 positioned at the lower end of the annular groove 10, the upper annular gap 13 is communicated with the outside, the lower annular gap 14 is communicated with the negative pressure space 8, a pushing piece 15 for transversely pushing the guide rod 9 downwards to separate the annular plate 11 on the guide rod 9 from the top of the annular groove 10 is detachably arranged on the extension plate 4, a leak hole 16 is arranged on the annular plate 11, the upper annular gap 13 and the lower annular gap 14 are provided with a communicating position communicated with the leak hole 16 when the guide rod 9 downwards moves, and the guide rod 9 upwards moves to an isolating position isolated from the top of the annular groove 10 after being blocked.
As shown in fig. 6, the number of the leak holes 16 is four, and the four leak holes 16 are uniformly distributed at intervals in the circumferential direction of the annular plate 11.
As shown in fig. 2, 4 and 5, the upper end of the guide rod 9 is provided with an inclined pushing surface 17, the extension plate 4 is provided with a pushing hole 18 for pushing the inclined pushing surface 17 after the pushing piece 15 is inserted so as to enable the guide rod 9 to move downwards, the side of the channel 22 is provided with a jack 19 for inserting the pushing piece 15 after passing through the pushing hole 18 and the channel 22, and the sizes of the pushing hole 18 and the jack 19 are matched with the pushing piece 15.
As shown in fig. 2, the inner surface of the insertion hole 19 is provided with a magnetic sheet 24, and the end of the pushing member 15 is provided with a metal part 23 which is inserted into the insertion hole 19 and then is attracted with the magnetic sheet 24.
The pushing member 15 is a bolt rod.
As shown in fig. 4, the upper cover plate of the cartridge 1 has a transparent viewing position 20 for viewing the inside of the cartridge 1.
The application method of the weld water tightness detection device comprises the following steps:
as shown in fig. 4, when the weld joint is detected, the foaming liquid is poured onto the weld joint 21, then the detection box 1 is adhered to the surface of the weld joint 21, the adhesion site 6 and the plurality of sealing strips 5 firstly realize multistage sealing, along with the increase of the using times, even if the waste glue on the adhesion site 6 is too much, the sealing performance in the detection box 1 can be ensured through the plurality of sealing strips 5, in addition, by pushing the pushing piece 15 to push the guide rod 9 to move downwards, the annular plate 11 is separated from the groove top of the annular groove 10, the upper annular gap 13 and the lower annular gap 14 are communicated through the leak hole 16, meanwhile, the negative pressure suction cup 7 is adhered to the surface of the weld joint 21 by pressing the detection box 1, the gas in the negative pressure space 8 sequentially passes through the lower annular gap 14, the leak hole 16 and the upper annular gap 13 and is discharged to the outside, then the pushing piece 15 is extracted, the annular plate 11 of the guide rod 9 is blocked with the groove top of the annular gap 14, the upper annular gap 13 is isolated from the lower annular gap 14, the negative pressure suction cup 7 is sucked on the surface of the weld joint 21, which corresponds to the surface of the seal joint 5 and the adhesion site 6, and the tightness of the weld joint 21 is improved again; then the air in the detection box 1 is sucked through the negative pressure connecting pipe 2, the tightness of the detection box is judged according to whether bubbles appear at the welding line 21, and marks are required to be drawn at unqualified positions to finish detection.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The utility model provides a welding seam water tightness detection device, its characterized in that, this detection device includes detection box (1), vacuum table (3), extension board (4) and negative pressure sucking disc (7), detection box (1) be provided with negative pressure connecting pipe (2) of connecting negative pressure equipment, the lower extreme opening of detection box (1), the upper end seals, vacuum table (3) fix on detection box (1), extension board (4) fix on detection box (1) lower extreme opening, extend towards the direction of keeping away from detection box (1), the outside of extension board (4) is provided with negative pressure sucking disc (7) around detection box (1), this negative pressure sucking disc encloses into negative pressure space (8) with welding seam (21) place face.
2. The weld water tightness detection device according to claim 1, wherein the extension plate (4) is provided with a channel (22) communicated with the negative pressure space (8), the other end of the channel (22) is communicated with the outside, a guide rod (9) is assembled in the channel (22), the extension plate (4) is provided with an annular groove (10) positioned beside the channel (22), the guide rod (9) is provided with an annular plate (11) inserted into the annular groove (10), and the annular groove (10) is internally provided with a spring (12) for vertically pushing the annular plate (11).
3. A weld water tightness detection device according to claim 2, characterized in that said annular plate (11) is provided with leak holes (16).
4. A weld water tightness detection device according to claim 2, characterized in that an annular gap is provided between the guide rod (9) and the channel (22), the annular gap comprising an upper annular gap (13) at the upper end of the annular groove (10) and a lower annular gap (14) at the lower end of the annular groove (10), the upper annular gap (13) being in communication with the outside, the lower annular gap (14) being in communication with the negative pressure space (8).
5. The device for detecting the water tightness of the welding seam according to claim 2, wherein the extension plate (4) is provided with a pushing piece (15) for transversely pushing the guide rod (9).
6. The welding seam water tightness detection device according to claim 5, wherein an inclined pushing surface (17) is arranged at the upper end of the guide rod (9), a pushing hole (18) is formed in the extension plate (4), a jack (19) is formed beside the channel (22), and the pushing hole (18) and the jack (19) are matched with the pushing piece (15) in size.
7. The weld water tightness detection device according to claim 6, wherein the inner surface of the insertion hole (19) is provided with a magnetic sheet (24), and the end of the pushing member (15) is provided with a metal portion (23).
8. The weld water tightness detection device according to claim 5, wherein the pushing member (15) is a bolt rod.
9. The weld water tightness detection device according to claim 1, wherein a plurality of concave grooves which are arranged at intervals are arranged on the lower side of the extension plate (4), sealing strips (5) are filled in each concave groove, and bonding positions (6) are arranged on the end plane of the extension plate (4) between the two concave grooves.
10. A weld water tightness detection device according to claim 1, characterized in that the upper cover plate of the detection box (1) is provided with a transparent viewing position (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335388.XU CN219416592U (en) | 2022-12-12 | 2022-12-12 | Weld water tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335388.XU CN219416592U (en) | 2022-12-12 | 2022-12-12 | Weld water tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416592U true CN219416592U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223335388.XU Active CN219416592U (en) | 2022-12-12 | 2022-12-12 | Weld water tightness detection device |
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|---|---|
| CN (1) | CN219416592U (en) |
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2022
- 2022-12-12 CN CN202223335388.XU patent/CN219416592U/en active Active
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