CN212340577U - Weld joint pressure maintaining detection device - Google Patents
Weld joint pressure maintaining detection device Download PDFInfo
- Publication number
- CN212340577U CN212340577U CN202021225937.6U CN202021225937U CN212340577U CN 212340577 U CN212340577 U CN 212340577U CN 202021225937 U CN202021225937 U CN 202021225937U CN 212340577 U CN212340577 U CN 212340577U
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- Prior art keywords
- detection device
- main part
- relief valve
- pressure relief
- pressure
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- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 238000003466 welding Methods 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 230000030279 gene silencing Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 6
- 238000012360 testing method Methods 0.000 abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000012530 fluid Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a welding seam pressurize detection device belongs to check out test set technical field. The utility model discloses a detection device main part, pressure relief valve and ball valve, the inside cavity that is provided with of detection device main part, detection device main part one end connection connector, detection device main part up end are provided with coupling nut, and coupling nut is inside to be connected with the inside cavity of detection device main part through the through-hole, and the pressure relief valve sets up in coupling nut one side of detection device main part up end, and the pressure relief valve is connected with the inside cavity of detection device main part, and the ball valve is connected with the one end that the connector was kept away from to the detection device main part, the utility model discloses greatly reduced operation personnel's intensity of labour, improved the work efficiency that the pressurize detected, and application scope is wide, device simple structure.
Description
Technical Field
The utility model relates to a welding seam pressurize detection device belongs to check out test set technical field.
Background
The ship is characterized in that the deck and the cabin body are connected in a welding mode in the manufacturing process of the ship, the ship cabin body and the deck iron plate cannot be completely welded in the welding process according to the requirements of ship inspection safety specifications, and a gap of 1-2 mm must be reserved between the iron plate and the iron plate for the thermal expansion and cooling of the iron plate and the reduction of stress generated by the ship body in the sea under the impact of sea waves.
After the welding engineering is finished, detection ports are reserved at the head and the tail of the welding section so as to facilitate the installation of the pressure detection device. Technical requirements of the detection device:
1. gaps between the whole segmented welded iron plates must be smooth;
2. the welding seam must be complete, and the phenomenon of welding leakage and insufficient welding (the phenomenon of air leakage and pressure reduction can be generated by welding leakage or insufficient welding) cannot occur;
3. the whole welding seam gap must be sealed and pressure-maintained (pressurized air is pumped between iron plates, an air inlet and an air outlet are closed, so that pressurized air is stored in the gap and the gap is kept for 24 hours without air leakage and pressure reduction), the sealing time is not less than 24 hours, and the pressurizing range of the gap is 0.2 KG-1.0 KG (different pressure ranges of different positions of welding cabin plates according to the types of ships).
The welding seam of current boats and ships detects all that the workman erects with galvanized water pipe oneself and connects, does simple and easy testing arrangement with multistage water pipe, manometer and ball valve, and this kind of testing arrangement has following problem:
1. too many joints easily cause air leakage of the testing device;
2. the unstable pressure range is easy to cause the error of the test result;
3. the pressure maintaining test is completed by adjusting the valves of the air inlet and the air outlet completely by the personal experience of field workers and teachers, thereby greatly increasing the labor intensity and greatly reducing the working efficiency, and the test cannot be completed if the field sections are too long (some sections have about 20M).
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, the present invention provides a weld joint pressure maintaining detection device, which is used to solve the problems that the existing simple testing device in the prior art is easy to leak gas due to too many joint interfaces; the unstable pressure range is easy to cause the error of the test result; the pressure maintaining test is completed by adjusting the valves of the air inlet and the air outlet completely by the personal experience of field workers and teachers, thereby greatly increasing the labor intensity and greatly reducing the working efficiency, and the test can not be completed if the field sections are too long (some sections have about 20M).
In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a welding seam pressurize detection device includes: detection device main part, pressure relief valve and ball valve, the inside cavity that is provided with of detection device main part, detection device main part one end connection connector, detection device main part up end is provided with coupling nut, coupling nut is inside to be connected with the inside cavity of detection device main part through the through-hole, the pressure relief valve set up in coupling nut one side of detection device main part up end, the pressure relief valve is connected with the inside cavity of detection device main part, the ball valve be connected with the one end that the connector was kept away from to the detection device main part.
By adopting the technical scheme: when pressure maintaining detection is carried out on a ship welding line, a detection device is connected with a detection port reserved at the welding line of the ship through a connector, compressed air or fluid is applied to the inside of the welding line from the detection port at the other end of the welding line, the inside of the welding line is pressurized, the fluid inside the welding line enters a cavity inside a detection device main body, a ball valve at one end of the detection device main body is closed, a pressure relief valve is adjusted according to the pressure of pressure maintaining required, when the pressure is greater than the set pressure of the pressure relief valve, the pressure relief valve is opened, the fluid is discharged, the pressure inside the welding line accords with the set pressure value, after the pressure inside the welding line accords with the set pressure value, the ball valve is kept still for more than 24 hours, whether welding leakage welding or false welding exists in the detection welding line or not is.
In an embodiment of the utility model, still include the manometer, the manometer is connected through the screw thread with the coupling nut of detection device main part up end.
By adopting the technical scheme: fluid enters the pressure gauge from the cavity inside the detection device main body through the connecting nut, and the pressure gauge displays the pressure inside the welding line, so that an operator can read the pressure gauge conveniently.
In an embodiment of the utility model, the pressure relief valve include the pressure relief valve main part, the pressure relief valve main part is inside hollow, has seted up the relief pressure hole on the inner wall, the activity of pressure relief valve main part inside is provided with airtight piston cover, airtight piston cover position corresponds with the relief pressure hole position, be provided with spacing arch with airtight piston cover bottom junction on the pressure relief valve main part inner wall, airtight piston cover top is provided with adjusting spring, the adjusting spring top is provided with the pressure adjusting bolt, the pressure adjusting bolt is connected with the pressure relief valve main part through threaded connection.
By adopting the technical scheme: when the pressure relief valve works, firstly, an operator rotates an air pressure adjusting bolt on the upper end surface of the pressure relief valve main body according to the pressure required by the weld joint detection, the air pressure adjusting bolt is connected with the pressure relief valve main body through threaded connection, in the rotating process, the air pressure adjusting bolt moves upwards or downwards in the pressure relief valve main body, when the air pressure adjusting bolt moves upwards, the force applied to an adjusting spring is small, the force applied to an airtight piston sleeve by the adjusting spring is small, the set air pressure value is low, when the air pressure adjusting bolt moves downwards, the force applied to the adjusting spring is large, the force applied to the airtight piston sleeve by the adjusting spring is large, the set air pressure value is high, when the air pressure in the weld joint is detected after the setting is finished, when the air pressure in the weld joint exceeds the set value of the pressure relief valve, the fluid in the weld joint applies force to the airtight piston sleeve to push the airtight piston sleeve to move upwards, the adjusting spring is compressed, fluid in the welding seam is discharged through the pressure relief hole, the pressure inside the welding seam is reduced, after the pressure is reduced to a set value of the pressure relief valve, the adjusting spring resets to push the airtight piston sleeve to move downwards, the pressure relief hole is blocked by the airtight piston sleeve, pressure maintaining is carried out on the inside of the welding seam, and therefore automatic adjustment of the pressure inside the welding seam is achieved.
In an embodiment of the present invention, the outer surface of the air pressure adjusting bolt is provided with an air pressure adjusting fixing nut.
By adopting the technical scheme: the air valve adjusting fixing nut is sleeved on the outer side surface of the air pressure adjusting bolt, and after the air pressure adjusting bolt is adjusted according to the set pressure value, the air pressure adjusting fixing nut is rotated to be fixed at the joint of the air pressure adjusting bolt and the pressure relief valve main body, and the air pressure adjusting fixing nut blocks the movement of the air pressure adjusting bolt, so that the phenomenon that the pressure value inside a welding seam is inconsistent with the set pressure value due to the fact that an operator mistakenly adjusts the air pressure adjusting bolt is avoided.
In an embodiment of the present invention, the bottom of the airtight piston sleeve is provided with a sealing gasket.
By adopting the technical scheme: the bottom of the airtight piston sleeve is provided with a sealing gasket, and the sealing gasket improves the sealing property between the airtight piston sleeve and the cavity inside the pressure relief valve main body.
In an embodiment of the present invention, the pressure relief valve body has a sound damping ring covering the outer surface of the pressure relief valve body corresponding to the pressure relief hole.
By adopting the technical scheme: through setting up the amortization ring, when the amortization ring carries out the release at pressure relief valve, reduce the noise that the release in-process produced.
In an embodiment of the present invention, the joint of the silencing ring and the pressure relief valve main body is provided with a sealing ring.
By adopting the technical scheme: through setting up the sealing washer, improve the leakproofness between amortization ring and the pressure relief valve main part to improve the amortization performance of amortization ring.
As above, the utility model discloses a welding seam pressurize detection device has following beneficial effect:
the utility model discloses in set up the pressure relief valve in the detection device main part, the pressure relief valve can be according to the detection requirement, sets for different pressure numerical value to the inside pressure size of automatically regulated welding seam makes it satisfy the pressurize demand, simultaneously the utility model discloses simple structure, detection device main part both ends set up connector and ball valve respectively, can dismantle the installation fast through the connector, realize quick pressure release through the ball valve, compare in current artifical manual operation detection, greatly reduced operating personnel's intensity of labour, improve the work efficiency that the pressurize detected, and application scope is wide, device simple structure, easy and simple to handle.
Drawings
Fig. 1 is a schematic structural view of a welding seam pressure maintaining detection device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a top view structure of a weld pressure maintaining detection device according to an embodiment of the present invention.
Fig. 3 is a schematic view of a front view internal structure of a welding seam pressure maintaining detection device according to an embodiment of the present invention.
Fig. 4 is a schematic view of a pressure relief valve of a welding seam pressure maintaining detection device according to an embodiment of the present invention.
Fig. 5 is a schematic view of a pressure relief valve disassembly structure of the weld pressure maintaining detection device according to an embodiment of the present invention.
Fig. 6 is a schematic view showing an internal structure of a pressure relief valve of a welding seam pressure maintaining detection device according to an embodiment of the present invention.
Wherein, 1, a connector; 2. a detection device main body; 3. a connecting nut; 4. a pressure gauge; 5. a pressure relief valve; 51. an air pressure adjusting bolt; 52. a pneumatic adjusting fixing nut; 53. a pressure relief valve body; 54. a sound deadening ring; 55. an airtight piston sleeve; 56. a pressure relief hole; 57. a gasket; 58. adjusting the spring; 6. a ball valve; 7. a through hole; 8. a cavity.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a weld joint pressure maintaining detection device, which includes: detection device main part 2, pressure relief valve 5 and ball valve 6, 2 inside cavities 8 that are provided with of detection device main part, connector 1 is connected to 2 one ends of detection device main part, 2 up ends of detection device main part are provided with coupling nut 3, coupling nut 3 is inside to be connected with 2 inside cavities 8 of detection device main part through-hole 7, pressure relief valve 5 set up in 3 one side of coupling nut of 2 up ends of detection device main part, pressure relief valve 5 is connected with 2 inside cavities 8 of detection device main part, ball valve 6 be connected with the one end that connector 1 was kept away from to detection device main part 2.
Still include manometer 4, manometer 4 is connected through the screw with the coupling nut 3 of detection device main part 2 up end.
Referring to fig. 4 to 6, the pressure relief valve 5 includes a pressure relief valve main body 53, the pressure relief valve main body 53 is hollow, a pressure relief hole 56 is formed in an inner wall of the pressure relief valve main body 53, an airtight piston sleeve 55 is movably disposed inside the pressure relief valve main body 53, the position of the airtight piston sleeve 55 corresponds to the position of the pressure relief hole 56, a limiting protrusion is disposed at a connection position of the inner wall of the pressure relief valve main body 53 and the bottom of the airtight piston sleeve 55, an adjusting spring 58 is disposed above the airtight piston sleeve 55, an air pressure adjusting bolt 51 is disposed above the adjusting spring 58, and the air pressure adjusting bolt 51 is connected with the pressure relief valve.
The outer side surface of the air pressure adjusting bolt 51 is sleeved with an air pressure adjusting fixing nut 52.
The bottom of the airtight piston sleeve 55 is provided with a sealing gasket 57.
The outer side surface of the pressure relief valve main body 53 is sleeved with a silencing ring 54 at a position corresponding to the pressure relief hole 56.
And a sealing ring is arranged at the joint of the silencing ring 54 and the pressure relief valve main body 53.
To sum up, the utility model discloses in set up the pressure relief valve in the detection device main part, the pressure relief valve can be according to the detection requirement, sets for different pressure numerical value to the inside pressure size of automatically regulated welding seam makes it satisfy the pressurize demand, simultaneously the utility model discloses simple structure, detection device main part both ends set up connector and ball valve respectively, can dismantle the installation fast through the connector, realize releasing pressure fast through the ball valve, compare in current artifical manual operation detection, greatly reduced operation personnel's intensity of labour, improve the work efficiency that the pressurize detected, and application scope is wide, device simple structure, easy and simple to handle. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a welding seam pressurize detection device which characterized in that, a welding seam pressurize detection device includes: detection device main part (2), pressure relief valve (5) and ball valve (6), inside cavity (8) that is provided with of detection device main part (2), detection device main part (2) one end connection connector (1), detection device main part (2) up end is provided with coupling nut (3), coupling nut (3) are inside to be connected with detection device main part (2) inner chamber (8) through-hole (7), pressure relief valve (5) set up coupling nut (3) one side at detection device main part (2) up end, pressure relief valve (5) are connected with detection device main part (2) inner chamber (8), ball valve (6) be connected with the one end that detection device main part (2) kept away from connector (1).
2. The weld bead pressure maintaining detection device according to claim 1, characterized in that: still include manometer (4), manometer (4) are connected through the screw with coupling nut (3) of detection device main part (2) up end.
3. The weld bead pressure maintaining detection device according to claim 1, characterized in that: pressure relief valve (5) including pressure relief valve main part (53), the inside cavity of pressure relief valve main part (53), release hole (56) have been seted up on the inner wall, the inside activity of pressure relief valve main part (53) is provided with airtight piston cover (55), be provided with spacing arch with airtight piston cover (55) bottom junction on pressure relief valve main part (53) inner wall, airtight piston cover (55) position is corresponding with release hole (56) position, airtight piston cover (55) top is provided with adjusting spring (58), adjusting spring (58) top is provided with air pressure adjusting bolt (51), air pressure adjusting bolt (51) are connected with pressure relief valve main part (53) through threaded connection.
4. The weld bead pressure maintaining detection device according to claim 3, characterized in that: the outer side surface of the air pressure adjusting bolt (51) is sleeved with an air pressure adjusting fixing nut (52).
5. The weld bead pressure maintaining detection device according to claim 3, characterized in that: and a sealing gasket (57) is arranged at the bottom of the airtight piston sleeve (55).
6. The weld bead pressure maintaining detection device according to claim 3, characterized in that: the outer side surface of the pressure relief valve main body (53) is sleeved with a silencing ring (54) at a position corresponding to the pressure relief hole (56).
7. The weld bead pressure maintaining detection device according to claim 6, characterized in that: and a sealing ring is arranged at the joint of the silencing ring (54) and the pressure relief valve main body (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225937.6U CN212340577U (en) | 2020-06-29 | 2020-06-29 | Weld joint pressure maintaining detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225937.6U CN212340577U (en) | 2020-06-29 | 2020-06-29 | Weld joint pressure maintaining detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212340577U true CN212340577U (en) | 2021-01-12 |
Family
ID=74076905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021225937.6U Expired - Fee Related CN212340577U (en) | 2020-06-29 | 2020-06-29 | Weld joint pressure maintaining detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212340577U (en) |
-
2020
- 2020-06-29 CN CN202021225937.6U patent/CN212340577U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210112 |