CN210239859U - Gas turbine spring gasket fit-up clearance adjusting device - Google Patents
Gas turbine spring gasket fit-up clearance adjusting device Download PDFInfo
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- CN210239859U CN210239859U CN201920868896.3U CN201920868896U CN210239859U CN 210239859 U CN210239859 U CN 210239859U CN 201920868896 U CN201920868896 U CN 201920868896U CN 210239859 U CN210239859 U CN 210239859U
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Abstract
The utility model discloses a gas turbine spring gasket assembly clearance adjusting device, the spring gasket cup joints with the base of gas turbine annular combustion chamber, and the bottom surface and the top surface of spring gasket, correspond the cylinder body baffle of contact gas turbine annular combustion chamber to and the regulation ring of gas turbine annular combustion chamber, gas turbine spring gasket assembly clearance adjusting device includes central bolt, disc, circumference bolt that can fix with the base of gas turbine annular combustion chamber, and the standard block of arranging between the cylinder body baffle of gas turbine annular combustion chamber and regulation ring; a central threaded through hole is formed in the center of the disc, and a central bolt penetrates through the central threaded through hole to enable the disc and the spring gasket to be coaxial; three circumferential threaded through holes which can be matched with the circumferential bolts are arranged around the circumference of the central threaded through hole; the three circumferential bolts respectively penetrate through the corresponding circumferential threaded through holes and are in contact with the top surface stress surface of the adjusting ring of the annular combustion chamber of the gas turbine.
Description
Technical Field
The utility model relates to a gas turbine spring shim fit-up gap adjusting device in the field of gas turbine manufacturing.
Background
At present, the assembly clearance of the spring gasket of the gas turbine is adjusted by a three-jaw chuck type tool generally, three points of the spring gasket are enabled to bear force simultaneously, the tool needs to be dismounted during adjustment, paper is padded at a large-clearance place, and then the three-jaw chuck tool is mounted to adjust the assembly clearance of the spring gasket to a proper position. The method is time-consuming and labor-consuming, depends on debugging experience of installation personnel, is not uniform in assembly clearance, is low in qualification rate, and often needs secondary reworking. To modify the above situation, the person skilled in the art will also provide a number of teachings, such as:
for example, the application numbers are: 201420871751.6, the name is a gas turbine sound leaf axial clearance adjustment structure's the utility model discloses a technical scheme, adjusts the fit-up gap according to actual measurement's movable vane and quiet leaf axial clearance, hold the ring mounting groove and set up "protruding" type adjusting ring in "T" shape that the ring mounting groove was held to "T" shape including setting up respectively in preceding stage turbine and back stage turbine, this "protruding" type adjusting ring is held the ring and is installed on combustion engine turbine cylinder with preceding stage turbine and back stage turbine together, and the face of repairing and the axial contact of combustion engine turbine cylinder of "protruding" type adjusting ring.
For another example, the invention discloses a technical scheme of an invention patent with application number 201510415447.X, named as a motor bearing assembly gap detection method and device, which comprises the following steps: the feeler gauge is used for determining the radial clearance between the spacer sleeve and the bearing seat; the clearance detecting piece is arranged in the radial clearance and used for detecting the radial clearance; the clearance adjusting device is used for matching with the feeler gauge to adjust radial clearance to be equidistant in the circumferential direction and comprises a clearance adjusting bracket relatively fixed with the bearing seat and a clearance adjusting shaft connected with the isolating sleeve, the clearance adjusting bracket is connected with the clearance adjusting shaft through a pull rod, and the pull rod is used for adjusting the clearance between the clearance adjusting bracket and the clearance adjusting shaft; the gap adjusting bracket is an annular squirrel cage bracket, the pull rod is a movable pull rod horizontally arranged on the gap adjusting bracket, one end of a gap adjusting shaft vertically arranged in the middle of the gap adjusting bracket is connected with at least four pull rods, and all the pull rods are also connected with the gap adjusting bracket.
For example, the technical scheme disclosed by the utility model patent with the application number of 201520854026.2 and the name of a device capable of adjusting the assembly clearance comprises an ear plate I and an ear plate II which are connected with a structural component I in parallel, and an ear plate III which is connected with a structural component II; the ear plate III is inserted between and connected with the ear plates I and II; the ear plates I and II are respectively inserted with a bolt I and a bolt II from the outer side to the inner opening direction of the double ear plates, and the inner end parts of the bolt I and the bolt II are respectively contacted with the two sides of the ear plate III. And adjusting the gap between the screwed bolt and the structural part to realize the adjustment of the gap between the mutually assembled structural parts.
However, the above-mentioned solutions are not ideal for use in the field of gas turbines.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art not enough, provide a gas turbine spring shim fit-up gap adjusting device, its fit-up gap that can make spring shim satisfies the gas turbine and opens and stop and the deformation requirement when long-term operation, protects the safe in utilization of cylinder body, and the device repeatedly usable has alleviateed workman's intensity of labour.
One technical scheme for achieving the above purpose is as follows: a gas turbine spring gasket assembly gap adjusting device is characterized in that a spring gasket is sleeved with a base of a gas turbine annular combustion chamber, the bottom surface of the spring gasket is contacted with the top surface of a cylinder partition plate of the gas turbine annular combustion chamber, and the top surface of the spring gasket is contacted with the bottom surface of an adjusting ring of the gas turbine annular combustion chamber;
the gas turbine spring gasket assembly gap adjusting device comprises a central bolt, a disc and a circumferential bolt which can be fixed with a base of a gas turbine annular combustion chamber, and a standard block arranged between a cylinder body partition plate and an adjusting ring of the gas turbine annular combustion chamber;
a central threaded through hole is formed in the center of the disc, and the central bolt penetrates through the central threaded through hole and is in threaded fit with the central threaded through hole, so that the disc and the spring gasket are coaxial;
three circumferential threaded through holes which can be matched with the circumferential bolts are arranged around the circumference of the central threaded through hole; and the circumferential bolts respectively penetrate through the corresponding circumferential threaded through holes and are in contact with the top surface stress surface of the adjusting ring of the gas turbine annular combustion chamber.
Furthermore, three circumferential threaded through holes enclose an equilateral triangle.
Further, the thickness of the disc is larger than that of the spring washer.
Furthermore, the upper side and the lower side of the disc are both provided with a central nut and a central washer which are sleeved with the central bolt.
The gas turbine spring gasket assembly gap adjusting device is adopted, the spring gasket is sleeved with a base of a gas turbine annular combustion chamber, the bottom surface of the spring gasket is contacted with the top surface of a cylinder body partition plate of the gas turbine annular combustion chamber, and the top surface of the spring gasket is contacted with the bottom surface of an adjusting ring of the gas turbine annular combustion chamber; the gas turbine spring gasket assembly gap adjusting device comprises a central bolt, a disc and a circumferential bolt which can be fixed with a base of a gas turbine annular combustion chamber, and a standard block arranged between a cylinder body partition plate and an adjusting ring of the gas turbine annular combustion chamber; a central threaded through hole is formed in the center of the disc, and the central bolt penetrates through the central threaded through hole and is in threaded fit with the central threaded through hole, so that the disc and the spring gasket are coaxial; three circumferential threaded through holes which can be matched with the circumferential bolts are arranged around the circumference of the central threaded through hole; and the circumferential bolts respectively penetrate through the corresponding circumferential threaded through holes and are in contact with the top surface stress surface of the adjusting ring of the gas turbine annular combustion chamber. The technical effects are as follows: the assembly gap delta of the spring gasket can meet the deformation requirements of the gas turbine during starting and stopping and long-term operation, and the use safety of the cylinder body is protected; the device can be repeatedly used, and the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the gas turbine spring washer assembly gap adjusting device of the present invention.
Fig. 2 is a schematic diagram of a disk of the gas turbine spring washer assembly gap adjusting device of the present invention.
Detailed Description
Referring to fig. 1 and fig. 2, in order to better understand the technical solution of the present invention, the inventor of the present invention will now describe in detail the following embodiments with reference to the accompanying drawings:
the utility model discloses a gas turbine spring gasket fit-up gap adjusting device can be used to the accurate adjustment of 9 fit-up gaps of spring gasket in the gas turbine annular combustion chamber. The spring gasket 9 is coaxially sleeved on the radial outer side of the base 7 of the gas turbine annular combustion chamber, the bottom surface of the spring gasket 9 is contacted with the top surface of a cylinder partition plate 72 of the gas turbine annular combustion chamber, and the top surface of the spring gasket 9 is contacted with the bottom surface of an adjusting ring 71 of the gas turbine annular combustion chamber.
The center of the base 7 of the gas turbine annular combustion chamber is provided with a base threaded through hole 73.
The utility model discloses a gas turbine spring shim fit-up gap adjusting device, include: the device comprises a center bolt 1, a disc 4, a standard block 5 and a circumferential bolt 6, wherein the number of the circumferential bolts 6 is three.
The diameter of the disc 4 is larger than that of the adjusting ring 71, and the thickness of the disc 4 is larger than that of the spring washer 9. The disc 4 is provided with a central threaded through hole 41 in the centre and three circumferential threaded through holes 42 around the circumference of the central threaded through hole 41. In the present embodiment, the three circumferential threaded through holes 42 are uniformly distributed around the circumference of the central threaded through hole 41, that is, the triangle formed by using the three circumferential threaded through holes 42 as vertexes is an equilateral triangle.
The center bolt 1 extends through the center threaded through hole 41 of the disc 4 and into the base threaded through hole 73 of the base 7. The center bolt 1 penetrates through the center threaded through hole 41 and is in threaded fit with the center threaded through hole 41, and the center bolt 1 is in threaded fit with the base threaded through hole 73. The central bolt 1 ensures the coaxiality between the disc 4 and the spring washer 9.
The upper side and the lower side of the disc 4 are both provided with a central nut 2 and a central washer 3 which are sleeved with the central bolt 1, so that the relative sliding in the vertical direction between the disc 4 and the central bolt 1 is avoided, and the primary positioning of the disc 4 on the central bolt 1 and the coarse adjustment of the position are realized.
The standard block 5 is inserted into the gap between the block diaphragm 72 and the adjusting ring 71 of the annular combustion chamber of the gas turbine. The three circumferential threaded through holes 42 are all provided with circumferential bolts 6, so that the bottom surfaces of the spring gaskets 9 are tightly attached to the top surface of a cylinder partition plate 72 of the annular combustion chamber of the gas turbine, the top surfaces of the spring gaskets 9 are tightly attached to the bottom surface of an adjusting ring 71 of the annular combustion chamber of the gas turbine, the bottom surfaces of the adjusting ring 71 of the annular combustion chamber of the gas turbine and the top surface of the cylinder partition plate 72 are tightly attached to the standard block 5, and the bottom surfaces of the three circumferential bolts 6 are tightly attached to the top surface of the adjusting ring 71 of the annular combustion chamber of the gas turbine and are in contact with the top surface stress surface of the adjusting ring 71 of the annular combustion chamber of the gas turbine, so that the assembly gaps delta of the spring gaskets.
In the process of adjusting the assembly clearance of the spring gasket 9, firstly, fixing a central bolt 1 positioned in the center of a disc 4 with a base 7 of an annular combustion chamber, fastening the central bolt 1 and the disc 4 by adopting a central nut 2 and a central washer 3, and realizing the primary positioning of the disc 4 and the coarse adjustment of the position; then, according to the concave-convex condition of the surface of the outer wall of the annular combustion chamber, the three circumferential bolts 6 are finely adjusted to enable the assembling clearance delta of the spring gasket 9 to meet the drawing size requirement, and the assembling clearance delta of the spring gasket 9 is adjusted by taking the standard block 5 as a reference during assembling.
The utility model discloses a be used for gas turbine spring shim fit-up gap adjusting device adopts the screw thread riveting mode to realize disc 4 and central bolt 1 to and fixed between the circumference bolt 6. The bottom surfaces of the three circumferential bolts 6 are in contact with the top surface stress surface of the adjusting ring 71 of the gas turbine annular combustion chamber, the adjusting ring 71 of the gas turbine annular combustion chamber transmits the force received by the top surface to the spring gasket 9, so that the spring gasket 9 can be stressed at three points in the horizontal plane, and the stress of the three points can be independently adjusted and sequentially assembled. The assembly is simple and convenient, and the time and the labor are saved.
The utility model discloses a be used for gas turbine spring gasket fit-up gap adjusting device, can make the fit-up gap delta of spring gasket 9 satisfy gas turbine start-stop and long term operation deformation requirement, the safe in utilization of protection gas turbine cylinder body; the device can be repeatedly used, and the labor intensity of workers is reduced.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. A gas turbine spring gasket assembly gap adjusting device is characterized in that a spring gasket is sleeved with a base of a gas turbine annular combustion chamber, the bottom surface of the spring gasket is contacted with the top surface of a cylinder partition plate of the gas turbine annular combustion chamber, and the top surface of the spring gasket is contacted with the bottom surface of an adjusting ring of the gas turbine annular combustion chamber; the method is characterized in that:
the gas turbine spring gasket assembly gap adjusting device comprises a central bolt, a disc and a circumferential bolt which can be fixed with a base of a gas turbine annular combustion chamber, and a standard block arranged between a cylinder body partition plate and an adjusting ring of the gas turbine annular combustion chamber;
a central threaded through hole is formed in the center of the disc, and the central bolt penetrates through the central threaded through hole and is in threaded fit with the central threaded through hole, so that the disc and the spring gasket are coaxial;
three circumferential threaded through holes which can be matched with the circumferential bolts are arranged around the circumference of the central threaded through hole; and the circumferential bolts respectively penetrate through the corresponding circumferential threaded through holes and are in contact with the top surface stress surface of the adjusting ring of the gas turbine annular combustion chamber.
2. The gas turbine spring shim assembly gap setting apparatus of claim 1, wherein: the three circumferential threaded through holes form an equilateral triangle.
3. The gas turbine spring shim assembly gap setting apparatus of claim 1, wherein: the thickness of the disc is greater than the thickness of the spring washer.
4. The gas turbine spring shim assembly gap setting apparatus of claim 1, wherein: and the upper side and the lower side of the disc are respectively provided with a central nut and a central washer which are sleeved with the central bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920868896.3U CN210239859U (en) | 2019-06-11 | 2019-06-11 | Gas turbine spring gasket fit-up clearance adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920868896.3U CN210239859U (en) | 2019-06-11 | 2019-06-11 | Gas turbine spring gasket fit-up clearance adjusting device |
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| CN210239859U true CN210239859U (en) | 2020-04-03 |
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| CN201920868896.3U Active CN210239859U (en) | 2019-06-11 | 2019-06-11 | Gas turbine spring gasket fit-up clearance adjusting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654427A (en) * | 2021-06-29 | 2021-11-16 | 中国电建集团山东电力建设第一工程有限公司 | Tool and method for measuring moving and static positions of zero-bearing supported intermediate pressure cylinder during false tile removal |
| CN114310149A (en) * | 2021-12-17 | 2022-04-12 | 西安交通大学 | Tool and method for accurately controlling end face clearance of hydrogen circulating pump |
-
2019
- 2019-06-11 CN CN201920868896.3U patent/CN210239859U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654427A (en) * | 2021-06-29 | 2021-11-16 | 中国电建集团山东电力建设第一工程有限公司 | Tool and method for measuring moving and static positions of zero-bearing supported intermediate pressure cylinder during false tile removal |
| CN114310149A (en) * | 2021-12-17 | 2022-04-12 | 西安交通大学 | Tool and method for accurately controlling end face clearance of hydrogen circulating pump |
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