CN219715059U - Equipment local water pressure test fixture - Google Patents
Equipment local water pressure test fixture Download PDFInfo
- Publication number
- CN219715059U CN219715059U CN202320118834.7U CN202320118834U CN219715059U CN 219715059 U CN219715059 U CN 219715059U CN 202320118834 U CN202320118834 U CN 202320118834U CN 219715059 U CN219715059 U CN 219715059U
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- Prior art keywords
- test
- connecting pipe
- auxiliary
- shell
- water pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000002706 hydrostatic effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a device local water pressure testing tool, which comprises a testing shell, wherein the testing shell is fixed on the inner wall of a cylinder body and covers the inner end of a connecting pipe of the cylinder body, a sealing cover is arranged at the outer end of the connecting pipe, a sealing cavity is formed by the testing shell, the inner wall of the cylinder body, the connecting pipe and the sealing cover, and the testing shell is provided with a water injection pipe for injecting water into the sealing cavity and a pressure gauge for testing the water pressure in the sealing cavity; the center line of the water injection pipe extends to the diameter range of the connecting pipe. The utility model seals the position needing to carry out the hydrostatic test again into a cavity by the test shell, and carries out the hydrostatic test on the cavity to replace carrying out the hydrostatic test on the whole equipment again, thereby having small influence on the production cost and the production time.
Description
Technical Field
The utility model relates to a local welding pressure test, in particular to a device local water pressure test tool.
Background
In the device manufacturing process, hydrostatic testing is a commonly used way to verify the strength and tightness of the pressure-containing member. Typically, the apparatus is substantially manufactured after the hydrostatic test is completed. However, the welding operation is needed to be performed on the equipment after the hydraulic test is performed on the equipment because the production site breaks the connecting pipe flange on the equipment or because the customer requires the hydraulic test and then performs flaw detection on the welding line to detect the welding line defect. However, these welding operations mean that the apparatus needs to be re-hydraulically tested.
The problems are that:
the local welding operation only needs to carry out a re-hydraulic test on the welding position in principle, but at present, when an internal person tests, the hydraulic test is often carried out on the whole equipment again, so that whether the local hydraulic pressure is qualified or not is detected, but the mode has high cost, long test time and great waste of time and human resources.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the equipment local hydraulic pressure test tool, the test shell is used for sealing the position needing to carry out the hydraulic pressure test again into a cavity, the hydraulic pressure test is carried out on the cavity to replace the hydraulic pressure test on the whole equipment again, and the influence on the production cost and the production time is small.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: the equipment local water pressure test fixture comprises a test shell, wherein the test shell is fixed on the inner wall of a cylinder body and covers the inner end of a connecting pipe of the cylinder body, a sealing cover is arranged at the outer end of the connecting pipe, a sealing cavity is formed by the test shell, the inner wall of the cylinder body, the connecting pipe and the sealing cover, and the test shell is provided with a water injection pipe for injecting water into the sealing cavity and a pressure gauge for testing the water pressure in the sealing cavity;
the center line of the water injection pipe extends to the diameter range of the connecting pipe.
Further, the test shell is a shell with an opening at one side, the opening side is fixed on the inner wall of the cylinder, and the water injection pipe is arranged on the side surface opposite to the opening.
Further, a circle of notch for welding is formed in the outer side of the edge of the opening of the test shell, a clinging surface for clinging to the inner wall of the cylinder body is arranged on the outer side surface of the opening, and a sealing ring for sealing is arranged on the inner side of the clinging surface.
Further, the test shell is provided with an auxiliary mounting piece, the auxiliary mounting piece comprises a fixing rod, an auxiliary inner plate, an auxiliary outer plate and a fixing nut, the auxiliary inner plate is arranged on the pipe orifice of the water injection pipe, the auxiliary outer plate is arranged on the outer port of the connecting pipe, and the fixing rod penetrates through the auxiliary inner plate from the inside of the cylinder body and is fixedly connected with the auxiliary outer plate by the aid of the fixing nut.
Further, the outer port of the connecting pipe is provided with a flange, and the sealing cover seals the outer port of the connecting pipe and is connected with the flange.
In summary, the present utility model achieves the following technical effects:
the tool can avoid secondary water pressure of the whole equipment, the position needing to be subjected to the water pressure test again is sealed into the cavity by the test shell, the water pressure test is carried out on the cavity to replace the water pressure test on the whole equipment again, and the influence on the production cost and the production time is small;
the utility model can solve some repairing problems of the equipment in the manufacturing process, has compact structure and is convenient to use;
the utility model comprises a semi-closed cavity and a water injection pipe, wherein when a connecting pipe or a flange is welded at a certain position, the flange is sealed by a sealing cover, and then the connecting pipe and a welded joint of equipment are surrounded by the semi-closed cavity of a tool, namely a test shell, so that the sealing cover, the flange, the connecting pipe and the tool form a closed cavity for local water pressure test; when a welding line at a certain position is subjected to re-welding operation, the welding line is surrounded by the semi-closed cavity of the tool, so that the tool and the welding line travel a closed cavity for local hydraulic test.
Drawings
FIG. 1 is a schematic diagram of a test fixture provided by an embodiment of the present utility model for installation using an auxiliary installation member;
FIG. 2 is a schematic diagram of a test case;
FIG. 3 is an enlarged partial schematic view of FIG. 2;
FIG. 4 is an installed schematic;
fig. 5 is a schematic diagram of a test at a spot welding position.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
as shown in fig. 1, a device local water pressure test fixture comprises a test shell 2, wherein the test shell 2 is a shell with an opening at one side, and can be a cylinder, a cuboid or the like, the test shell 2 is fixed on the inner wall of a cylinder 1 and covers the inner port of a connecting pipe 5 of the cylinder 1, a welding seam between the connecting pipe 5 and the cylinder 1 is a re-welding position, water pressure at the position needs to be tested, a sealing cover 12 is arranged at the outer port of the connecting pipe 5, so that the test shell 2 and the inner wall of the cylinder 1, the connecting pipe 5 and the sealing cover 12 form a sealing cavity, and the test shell 2 is provided with a water injection pipe 4 for injecting water into the sealing cavity and a pressure gauge 3 for testing the water pressure in the sealing cavity; after the sealing cavity is formed, water is injected into the sealing cavity, and the pressure gauge 3 can be used for reading the internal pressure, so that whether the pressure meets the requirement or not can be intuitively tested.
The opening side of the test shell 2 is fixed on the inner wall of the cylinder 1, and the water injection pipe 4 is arranged on the side surface opposite to the opening, so that the central line of the water injection pipe 4 extends into the diameter range of the connecting pipe 5, and the auxiliary mounting piece is convenient for positioning and mounting the test shell 2 in advance. At this time, the water injection pipe 4 is used as both water injection and an inlet of the auxiliary mounting member, and has a compact structure without additionally arranging an inlet of the mounting member.
As shown in fig. 2, which is a schematic cross-sectional view of the test shell 2, a circle of notch 21 for welding is formed on the outer side of the opening edge of the test shell 2, so that the welding is convenient, an attaching surface 22 for attaching to the inner wall of the cylinder 1 is arranged on the outer side surface of the opening, a sealing ring 23 for sealing is arranged on the inner side of the attaching surface 22, and an internal seal is formed. When the test case 2 is mounted, the opening of the test case 2 is abutted against the inner wall of the cylinder 1, so that the abutting surface 22 is abutted against the inner wall, and the sealing ring 23 is abutted against the inner wall. The immediately adjacent surface 22 may be a flat surface, may be a beveled surface, and may be an arcuate surface.
As shown in fig. 1, the test case 2 is provided with an auxiliary mounting part, the auxiliary mounting part comprises a fixing rod 8, an auxiliary inner plate 7, an auxiliary outer plate 10 and a fixing nut 9, the auxiliary inner plate 7 is arranged on a pipe orifice of the water injection pipe 4, the auxiliary outer plate 10 is arranged on an outer port of the connecting pipe 5, the fixing rod 8 penetrates through the auxiliary inner plate 7 and the auxiliary outer plate 10 from the inside of the cylinder 1, and then is fixedly connected with the auxiliary outer plate 10 by the fixing nut 9 to form pre-mounting, then the test case 2 is spot-welded and connected at a notch 21 by spot welding to form pre-positioning, then the fixing rod 8, the auxiliary inner plate 7, the auxiliary outer plate 10 and the fixing nut 9 are taken down, and the test case 2 is completely welded by full welding to ensure sealing.
The outer port of the connecting pipe 5 is provided with a flange 6, and a sealing cover 12 seals the outer port of the connecting pipe 5 and is connected with the flange 6.
As shown in fig. 1, the auxiliary mounting member pre-mounts the test case 2 on the inner wall, then spot-welds the pre-positioning and removes the auxiliary mounting member, and the sealing of the test case 2 is completed as a full-welding position 11 at the notch 21.
As shown in fig. 4, which is a schematic view of the state of the sealed chamber, water is injected into the sealed chamber, and the pressure is read by the pressure gauge 3. After the test is completed, the test case 2 is removed by using the welding rod.
As shown in fig. 5, the test case 2 can also be used for testing the pressure of the solder joint 13.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical solutions of the present utility model.
Claims (5)
1. The utility model provides a local water pressure test fixture of equipment which characterized in that: the test device comprises a test shell (2), wherein the test shell (2) is fixed on the inner wall of a cylinder body (1) and covers the inner end of a connecting pipe (5) of the cylinder body (1), a sealing cover (12) is arranged at the outer end of the connecting pipe (5), the test shell (2), the inner wall of the cylinder body (1), the connecting pipe (5) and the sealing cover (12) form a sealing cavity, and the test shell (2) is provided with a water injection pipe (4) for injecting water into the sealing cavity and a pressure gauge (3) for testing the water pressure in the sealing cavity;
the central line of the water injection pipe (4) extends to the diameter range of the connecting pipe (5).
2. The equipment partial water pressure test fixture according to claim 1, wherein: the test shell (2) is a shell with one side open, the open side is fixed on the inner wall of the cylinder body (1), and the water injection pipe (4) is arranged on the side surface opposite to the opening.
3. The equipment partial water pressure test fixture according to claim 2, wherein: a circle of notch (21) for welding is formed in the outer side of the opening edge of the test shell (2), an attaching surface (22) for attaching to the inner wall of the cylinder body (1) is arranged on the outer side surface of the opening, and a sealing ring (23) for sealing is arranged on the inner side of the attaching surface (22).
4. A device local water pressure test fixture according to claim 3, wherein: the test shell (2) is provided with auxiliary installation piece, auxiliary installation piece includes dead lever (8), auxiliary inner panel (7), auxiliary outer panel (10), fixation nut (9), auxiliary inner panel (7) are located on the mouth of pipe of water injection pipe (4), auxiliary outer panel (10) are located on the outer port of takeover (5), dead lever (8) follow the inside of barrel (1) is passed auxiliary inner panel (7) utilize behind auxiliary outer panel (10) fixation nut (9) fixed connection auxiliary outer panel (10).
5. The equipment partial water pressure test fixture according to claim 4, wherein: the outer port of the connecting pipe (5) is provided with a flange (6), and the sealing cover (12) seals the outer port of the connecting pipe (5) and is connected with the flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118834.7U CN219715059U (en) | 2023-01-28 | 2023-01-28 | Equipment local water pressure test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118834.7U CN219715059U (en) | 2023-01-28 | 2023-01-28 | Equipment local water pressure test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715059U true CN219715059U (en) | 2023-09-19 |
Family
ID=88001396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320118834.7U Active CN219715059U (en) | 2023-01-28 | 2023-01-28 | Equipment local water pressure test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715059U (en) |
-
2023
- 2023-01-28 CN CN202320118834.7U patent/CN219715059U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |