CN210013911U - Adjustable radial pin for steam turbine - Google Patents
Adjustable radial pin for steam turbine Download PDFInfo
- Publication number
- CN210013911U CN210013911U CN201920908777.6U CN201920908777U CN210013911U CN 210013911 U CN210013911 U CN 210013911U CN 201920908777 U CN201920908777 U CN 201920908777U CN 210013911 U CN210013911 U CN 210013911U
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- cushion block
- radial pin
- adjusting part
- main body
- radial
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Abstract
The utility model provides an adjustable radial round pin for steam turbine, relates to a radial round pin, in order to solve when current unit installation, the process of technology round pin and the problem of the error that secondary installation caused easily. The novel radial pin main body comprises a main body part and an adjusting part, wherein the main body part is matched in an outer sleeve; the adjusting part is a cylindrical boss formed by cutting off the side walls at two sides, and two opposite planes of the boss are respectively provided with a groove; the cushion block is fit with the groove, and the adjusting part is fit with the inner sleeve through the thickness of the grinding cushion block; and the fastening screw is used for fixing the cushion block. The device has the advantages of clear structure, easy processing and adjustment, high processing precision, better matching effect and small field adjustment amount; the cushion block is fixed to the adjusting part of the radial pin main body through the tightening screw, so that the cushion block is convenient to disassemble and assemble, and the adjusting process is quick and convenient.
Description
Technical Field
The utility model relates to a radial round pin.
Background
The existing steam turbine radial pin is of an integral structure, specifically, as shown in fig. 1, a main body part of the radial pin is entirely embedded into a mounting hole at the top of a cylinder body, or the main body part of the radial pin is entirely embedded into a mounting hole at the bottom of the cylinder body, and the radial pin and the main body part are respectively locked on the cylinder body through caulking or welding; when the unit is installed, a process pin is used for measuring the machining size matched with the inner sleeve A1, and then the radial pin is machined according to the size of the process pin; the problems of inaccurate matching and complex adjustment of the machined radial pin exist in the actual installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable radial round pin for steam turbine in order to solve when current unit installation, the process of technology round pin and the problem of the error that the secondary installation caused easily.
The utility model discloses an adjustable radial pin for a steam turbine, which comprises a radial pin main body, a cushion block and a tightening screw;
the radial pin main body comprises a main body part and an adjusting part, and the main body part is matched in the outer sleeve;
the adjusting part is a cylindrical boss formed by cutting off the side walls at two sides, and two opposite planes of the boss are respectively provided with a groove; the cushion block is fit with the groove, and the adjusting part is fit with the inner sleeve through the thickness of the grinding cushion block;
and the fastening screw is used for fixing the cushion block.
The utility model has the advantages that the main body of the radial pin is divided into an embedded part and an adjusting part, the structure is clear, and the processing and the adjustment are easy; the grinding cushion block is matched with the inner sleeve, so that the machining precision is high, the matching effect is better, and the field adjustment amount is small; the cushion block is fixed to the adjusting part of the radial pin main body through the tightening screw, so that the cushion block is convenient to disassemble and assemble, and the adjusting process is quick and convenient.
Drawings
FIG. 1 is a schematic view of an assembled prior art radial pin, wherein A1 is an inner sleeve, A2 is an outer sleeve, and A3 is a prior art radial pin;
FIG. 2 is a schematic illustration of an assembled turbine with adjustable radial pins according to one embodiment;
FIG. 3 is a schematic illustration of an adjustable radial pin for a steam turbine according to one embodiment;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 with the spacer removed and the screw tightened;
FIG. 5 is a schematic diagram of a cushion block embodying the fourth embodiment;
fig. 6 is a sectional view taken along line B-B of fig. 5.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 2 to 4, and the adjustable radial pin for the steam turbine in the embodiment comprises a radial pin body 1, a cushion block 2 and a tightening screw 4;
the radial pin body 1 includes an embedded portion and an adjusting portion, and the embedded portion is fitted in the outer sleeve a 2;
the adjusting part is a cylindrical boss formed by cutting off the side walls at two sides, and two opposite planes of the boss are respectively provided with a groove; the cushion block 2 is fit with the groove, and the adjusting part is fit with the inner sleeve A1 through the thickness of the grinding cushion block 2;
the fastening screw 4 is used to fix the spacer 2.
In the embodiment, the cushion block 2 with different thicknesses is replaced to match the inner sleeve A1, so that the adjusting part is matched with the inner sleeve A1 under the action of the cushion block 2; the processing precision is high, the matching effect is better, and the field adjustment amount is small; cushion 2 is through fixing lag screw 4 to the adjustment portion of radial round pin main part, easy dismounting, and the adjustment process is convenient fast more.
The second embodiment is as follows: the present embodiment is further limited to the adjustable radial pin for a steam turbine according to the first embodiment, and in the present embodiment, the radial pin further includes a gasket 3;
the gasket 3 is arranged between the cushion block 2 and the side wall groove of the adjusting part.
In the present embodiment, the adjusting portion is fitted to the inner cover a1 by replacing the shim 3 having a different thickness; the shim 3 serves for adjustment and cushioning.
The third concrete implementation mode: in this embodiment, the adjustable radial pin for a steam turbine according to the first embodiment is further limited, and the embedded portion and the adjusting portion are integrally formed.
In the present embodiment, the embedded portion and the adjusting portion included in the radial pin body 1 are formed by block forging or by integrally processing a steel plate.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 5 to 6, and the present embodiment further defines an adjustable radial pin for a steam turbine according to the first embodiment, in the present embodiment, a slot 5 is formed in the spacer 2;
the tightening screw 4 is fixed to the adjusting portion of the radial pin body 1 through the slot 5, and the nut of the tightening screw 4 is positioned in the slot 5.
In the embodiment, the nut of the tightening screw 4 is not arranged in the slotted hole 5, so that the phenomenon that the nut of the tightening screw 4 is too long to influence the determination of the thickness of the cushion block 2 is avoided.
Claims (4)
1. An adjustable radial pin for a steam turbine is characterized by comprising a radial pin main body (1), a cushion block (2) and a tightening screw (4);
the radial pin body (1) comprises an embedded part and an adjusting part, and the embedded part is matched in an outer sleeve (A2);
the adjusting part is a cylindrical boss formed by cutting off the side walls at two sides, and two opposite planes of the boss are respectively provided with a groove; the cushion block (2) is fit with the groove, and the adjusting part is fit with the inner sleeve (A1) through the thickness of the grinding cushion block (2);
the fastening screw (4) is used for fixing the cushion block (2).
2. Adjustable radial pin for steam turbines according to claim 1, characterized in that it further comprises a shim (3);
the gasket (3) is arranged between the cushion block (2) and the side wall groove of the adjusting part.
3. The adjustable radial pin for a steam turbine of claim 1, wherein the embedded portion and the adjusting portion are of an integral structure.
4. Adjustable radial pin for steam turbines according to claim 1, characterized in that the spacer (2) is slotted (5);
the tightening screw (4) penetrates through the slotted hole (5) and is fixed with the adjusting part of the radial pin main body (1), and the nut of the tightening screw (4) is positioned in the slotted hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908777.6U CN210013911U (en) | 2019-06-17 | 2019-06-17 | Adjustable radial pin for steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908777.6U CN210013911U (en) | 2019-06-17 | 2019-06-17 | Adjustable radial pin for steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013911U true CN210013911U (en) | 2020-02-04 |
Family
ID=69319077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920908777.6U Active CN210013911U (en) | 2019-06-17 | 2019-06-17 | Adjustable radial pin for steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013911U (en) |
-
2019
- 2019-06-17 CN CN201920908777.6U patent/CN210013911U/en active Active
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