CN217637810U - Tool for gas turbine nozzle assembly oil way sealing test - Google Patents
Tool for gas turbine nozzle assembly oil way sealing test Download PDFInfo
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- CN217637810U CN217637810U CN202221851719.2U CN202221851719U CN217637810U CN 217637810 U CN217637810 U CN 217637810U CN 202221851719 U CN202221851719 U CN 202221851719U CN 217637810 U CN217637810 U CN 217637810U
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- nozzle assembly
- mounting seat
- seat
- rod
- top surface
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- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 29
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013522 software testing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model discloses a tool for a gas turbine nozzle assembly oil way sealing test, wherein a supporting mechanism comprises a mounting seat, and the bottom surface of the mounting seat is provided with a supporting leg; the top surface of the mounting seat is provided with a mounting through hole and an annular clamping edge; a plurality of threaded holes are formed in the top surface of the mounting seat along the circumferential direction of the mounting seat and positioned on the outer side of the annular clamping edge; a top rod seat is arranged on one side, located on the annular clamping edge, of the top surface of the mounting seat through a mounting bolt; the plugging mechanism is arranged on the ejector rod seat and used for plugging an oil outlet of a fuel pipeline of the nozzle assembly; the pressing mechanism is arranged on the top surface of the mounting seat and used for fixing the nozzle assembly on the supporting mechanism. The utility model discloses a gas turbine nozzle assembly oil circuit is frock for sealing test fixes nozzle assembly on the mount pad, and it is experimental to assist the leakproofness after the shutoff to the oil-out through shutoff mechanism, whole frock simple structure, the production and the installation of being convenient for, experimental efficiency of software testing is high.
Description
Technical Field
The utility model relates to an aviation part centre gripping fixing device technical field especially relates to a gas turbine nozzle assembly is frock for oil circuit sealing test.
Background
After a nozzle assembly on the gas turbine is machined, a tightness test needs to be carried out on a fuel oil path of the part, the subsequent tightness test can be carried out only by stably clamping the nozzle assembly in the tightness test, oil is supplied from an oil inlet position, and a nozzle position is blocked; before, a tool for clamping and fixing the nozzle assembly is not provided, a sealing test is carried out only by manually holding a fixed part, the test is difficult to carry out, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a tool for testing oil-way sealing of a gas turbine nozzle assembly.
The utility model provides a tool for a gas turbine nozzle assembly oil circuit sealing test, which comprises a supporting mechanism, a plugging mechanism and a pressing mechanism; wherein,
the supporting mechanism comprises a mounting seat, and supporting legs are arranged on the bottom surface of the mounting seat; the top surface of the mounting seat is provided with a mounting through hole, and the top surface of the mounting seat, which is positioned at the outer side of the mounting through hole, is provided with an annular clamping edge; a plurality of threaded holes are formed in the top surface of the mounting seat along the circumferential direction of the annular clamping edge and positioned on the outer side of the annular clamping edge; a top rod seat is arranged on one side, located on the annular clamping edge, of the top surface of the mounting seat through a mounting bolt;
the plugging mechanism is arranged on the ejector rod seat and used for plugging an oil outlet of a fuel pipeline of the nozzle assembly;
the pressing mechanism is arranged on the top surface of the mounting seat and used for fixing the nozzle assembly on the supporting mechanism.
Preferably, the ejector rod seat is L-shaped, and a through threaded hole is formed in one side face of the top of the ejector rod seat; the top of the ejector rod seat is arranged corresponding to the top end of the nozzle assembly after being installed and bent towards the inner side, and the top of the ejector rod seat after being bent is arranged in parallel with the top end of the nozzle assembly after being installed.
Preferably, the plugging mechanism comprises an ejector rod, a sealing gasket and a pressing head; wherein,
the ejector rod comprises a stop cap, a threaded rod is fixedly arranged on the bottom surface of the stop cap corresponding to the through threaded hole, a butting rod is fixedly arranged at the bottom end of the threaded rod, and the diameter of the butting rod is smaller than that of the threaded rod;
the sealing gasket is abutted to an oil outlet of a fuel pipeline of the nozzle assembly and used for ensuring the sealing performance;
the pressing head is arranged between the sealing gasket and the ejector rod, and an upper abutting groove is formed in the top surface of the pressing head corresponding to one end, far away from the threaded rod, of the abutting rod; the bottom surface of the pressing head is provided with a lower abutting groove corresponding to the top of the sealing gasket; and an exhaust passage communicated with the upper butt joint groove and the lower butt joint groove is arranged in the compression head and used for exhausting.
Preferably, the pressing mechanism comprises a pressing plate arranged corresponding to the threaded hole, a through hole is formed in one side of the pressing plate corresponding to the threaded hole, and a fastening bolt is arranged inside the through hole and screwed into the threaded hole and used for fixing the nozzle assembly on the mounting seat.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a gas turbine nozzle assembly is frock for oil circuit sealing test passes through the clamp plate with nozzle assembly, fastening bolt fixes on the mount pad, in addition, go back accessible shutoff mechanism and assist the shutoff to nozzle assembly's the oil-out that fires the oil pipeline, then at the oil inlet fuel feeding that fires the oil pipeline, develop nozzle assembly's the leakproofness of firing the oil pipeline experimental, whole frock, simple structure, be convenient for production and installation, and nozzle assembly installation fixed process is simple, experimental efficiency of software testing is high.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention.
Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of a tool for an oil path sealing test of a gas turbine nozzle assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a plugging assembly;
FIG. 3 is a schematic structural view of a nozzle assembly;
reference numbers in the figures: 1. a mounting base; 2. supporting legs; 3. mounting a through hole; 4. the annular clamping edge; 5. a threaded hole; 6. a jack rod seat; 7. a through threaded hole; 8. a top rod; 81. a blocking cap; 82. a threaded rod; 83. abutting against the connecting rod; 9. a gasket; 10. a compression head; 101. an upper abutting groove; 102. a lower abutting groove; 103. an exhaust passage; 11. pressing a plate; 12. fastening a bolt; 13. a nozzle assembly; 131. a fuel line; 132. an oil inlet; 133. and an oil outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, an embodiment of the present invention provides a tool for an oil path sealing test of a nozzle assembly of a gas turbine, including a supporting mechanism, a plugging mechanism, and a pressing mechanism; wherein,
the supporting mechanism comprises an installation seat 1, wherein a plurality of supporting legs 2 are arranged on the bottom surface of the installation seat 1 and used for supporting the installation seat 1; the top surface of the mounting seat 1 is provided with a mounting through hole 3, and the top surface of the mounting seat 1, which is positioned at the outer side of the mounting through hole 3, is provided with an annular clamping edge 4; a plurality of threaded holes 5 are formed in the top surface of the mounting seat 1 and positioned on the outer side of the annular clamping edge 4 along the circumferential direction of the annular clamping edge; a top rod seat 6 is arranged on one side of the annular clamping edge 4 on the top surface of the mounting seat 1 through a mounting bolt;
the plugging mechanism is arranged on the ejector rod seat 6 and is used for plugging an oil outlet 133 of a fuel pipeline 131 of the nozzle assembly 13;
and the pressing mechanism is arranged on the top surface of the mounting seat 1 and is used for fixing the nozzle assembly 13 on the supporting mechanism.
In a preferred embodiment, the ejector rod seat 6 is arranged in an L shape, and one side surface of the top of the ejector rod seat is provided with a through threaded hole 7; the top of the ejector rod seat 6 is bent inwards corresponding to the top end of the installed nozzle assembly 13, and the bent top of the ejector rod seat 6 is parallel to the top end of the installed nozzle assembly 13, so that the ejector rod 8, the sealing gasket 9 and the pressing head 10 can completely block an oil outlet 133 of a fuel pipeline 131 of the nozzle assembly 13.
In a preferred embodiment, the plugging mechanism comprises a mandril 8, a sealing gasket 9 and a pressing head 10; wherein,
the ejector rod 8 comprises a stop cap 81, a threaded rod 82 is fixedly arranged on the bottom surface of the stop cap 81 corresponding to the threaded hole 7, a butting rod 83 is fixedly arranged at the bottom end of the threaded rod 82, and the diameter of the butting rod 83 is smaller than that of the threaded rod 82;
a gasket 9 abutting against an oil outlet 133 of the fuel line 131 of the nozzle assembly 13 for ensuring sealing performance;
the pressing head 10 is arranged between the sealing gasket 9 and the ejector rod 8, and an upper abutting groove 101 is formed in the top surface of the pressing head 10 corresponding to one end, away from the threaded rod 82, of the abutting rod 83; the bottom surface of the pressing head 10 is provided with a lower abutting groove 102 corresponding to the top of the sealing gasket 9; the interior of the pressing head 10 is provided with an exhaust passage 103 communicating the upper abutment groove 101 and the lower abutment groove 102 for exhausting air.
In a preferred embodiment, the pressing mechanism comprises a pressing plate 11 disposed corresponding to the threaded hole 5, a through hole is disposed on one side of the pressing plate 11 corresponding to the threaded hole 5, and a fastening bolt 12 is disposed through the through hole and screwed into the threaded hole 5 for fixing the nozzle assembly 13 on the mounting base 1.
The utility model discloses a theory of operation: one end of the nozzle assembly 13 close to the oil inlet 132 penetrates through the mounting through hole 3 and is clamped on the annular clamping edge 4, then one end of the pressing plate 11 abuts against the part of the nozzle assembly 13 on the annular clamping edge 4, and the other end of the pressing plate 11 is screwed into the threaded hole 5 through the fastening bolt 12 to fix the nozzle assembly 13 on the mounting base 1; then, the ejector rod 8 penetrates through the through threaded hole 7, the bottom end of the ejector rod 8 penetrates into the upper abutting groove 101 of the pressing head 10, the sealing gasket 9 is pressed at the position of the oil outlet 133, the pressing head 10 is driven by the ejector rod 8 to extend into the nozzle assembly 13, the sealing gasket 9 enters into the lower abutting groove 102, the ejector rod 8 is fixed through the matching of the threaded rod 82 and the through threaded hole 7, the sealing gasket 9 is fixed at the oil outlet 133, the sealing function is achieved, then the oil inlet 132 is externally connected with an oil supply pipe, and a sealing test is carried out; the whole process is simple and convenient to install and high in working efficiency.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (4)
1. The tool for the oil circuit sealing test of the nozzle assembly of the gas turbine is characterized by comprising a supporting mechanism, a plugging mechanism and a pressing mechanism; wherein,
the supporting mechanism comprises a mounting seat, and supporting legs are arranged on the bottom surface of the mounting seat; the top surface of the mounting seat is provided with a mounting through hole, and the top surface of the mounting seat, which is positioned at the outer side of the mounting through hole, is provided with an annular clamping edge; a plurality of threaded holes are formed in the top surface of the mounting seat along the circumferential direction of the annular clamping edge and positioned on the outer side of the annular clamping edge; a top rod seat is arranged on one side, located on the annular clamping edge, of the top surface of the mounting seat through a mounting bolt;
the plugging mechanism is arranged on the ejector rod seat and is used for plugging an oil outlet of a fuel pipeline of the nozzle assembly;
the pressing mechanism is arranged on the top surface of the mounting seat and used for fixing the nozzle assembly on the supporting mechanism.
2. The tool for the oil-way sealing test of the gas turbine nozzle assembly according to claim 1, wherein the ejector rod seat is L-shaped, and a through threaded hole is formed in one side surface of the top of the ejector rod seat; the top of the ejector rod seat is arranged corresponding to the top end of the nozzle assembly after being installed and bent towards the inner side, and the top of the ejector rod seat after being bent is arranged in parallel with the top end of the nozzle assembly after being installed.
3. The tool for the gas turbine nozzle assembly oil circuit sealing test according to claim 2, wherein the plugging mechanism comprises a push rod, a sealing gasket and a pressing head; wherein,
the ejector rod comprises a stop cap, a threaded rod is fixedly arranged on the bottom surface of the stop cap corresponding to the through threaded hole, a butting rod is fixedly arranged at the bottom end of the threaded rod, and the diameter of the butting rod is smaller than that of the threaded rod;
the sealing gasket is abutted against an oil outlet of a fuel oil pipeline of the nozzle assembly and is used for ensuring the sealing performance;
the pressing head is arranged between the sealing gasket and the ejector rod, and an upper abutting groove is formed in the top surface of the pressing head corresponding to one end, far away from the threaded rod, of the abutting rod; the bottom surface of the pressing head is provided with a lower abutting groove corresponding to the top of the sealing gasket; and an exhaust passage communicated with the upper butt joint groove and the lower butt joint groove is arranged in the compression head and used for exhausting.
4. The tool for the gas turbine nozzle assembly oil path sealing test according to claim 3, wherein the pressing mechanism comprises a pressing plate arranged corresponding to the threaded hole, a through hole is arranged on one side of the pressing plate corresponding to the threaded hole, and a fastening bolt is arranged through the through hole and screwed into the threaded hole and used for fixing the nozzle assembly on the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851719.2U CN217637810U (en) | 2022-07-19 | 2022-07-19 | Tool for gas turbine nozzle assembly oil way sealing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851719.2U CN217637810U (en) | 2022-07-19 | 2022-07-19 | Tool for gas turbine nozzle assembly oil way sealing test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217637810U true CN217637810U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221851719.2U Active CN217637810U (en) | 2022-07-19 | 2022-07-19 | Tool for gas turbine nozzle assembly oil way sealing test |
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| Country | Link |
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| CN (1) | CN217637810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211986A (en) * | 2023-09-22 | 2023-12-12 | 山西柴油机工业有限责任公司 | A diesel engine body cylinder bore sealing structure |
-
2022
- 2022-07-19 CN CN202221851719.2U patent/CN217637810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211986A (en) * | 2023-09-22 | 2023-12-12 | 山西柴油机工业有限责任公司 | A diesel engine body cylinder bore sealing structure |
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