CN219587697U - Auxiliary supporting device for control ring of through-flow turbine - Google Patents
Auxiliary supporting device for control ring of through-flow turbine Download PDFInfo
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- CN219587697U CN219587697U CN202320939044.5U CN202320939044U CN219587697U CN 219587697 U CN219587697 U CN 219587697U CN 202320939044 U CN202320939044 U CN 202320939044U CN 219587697 U CN219587697 U CN 219587697U
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- control ring
- self
- bending part
- flow turbine
- supporting block
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to the technical field of through-flow turbines and discloses an auxiliary supporting device for a control ring of a through-flow turbine, which comprises a hanging frame, wherein the lower part of the hanging frame is a bending part, a self-lubricating anti-wear pad and a supporting block are arranged on the bending part, the self-lubricating anti-wear pad is fixedly connected above the supporting block, and a fixing mechanism is arranged on the upper part of the hanging frame; the fixing mechanism is used for being connected with the side wall of the outer guide ring, and the self-lubricating anti-wear pad is used for supporting and being connected with the outer circle at the bottom of the control ring. The problem that the benefit of a power station is influenced due to the fact that the steel ball is frequently replaced and the sliding groove is repaired is effectively solved.
Description
Technical Field
The utility model relates to the technical field of through-flow turbines, in particular to an auxiliary supporting device for a control ring of a through-flow turbine.
Background
In the running process of the tubular turbine, the flow of the unit needs to be adjusted along with the change of the water head by changing the opening of the guide vane, so that the runner runs in a higher-efficiency area, the adjustment of the opening of the guide vane needs to be operated by a control ring, and the relative movement of the control ring and the outer guide ring of the guide vane mechanism is realized by rolling a steel ball filled in a chute when the guide vane is operated.
Chinese patent document CN211598902U discloses a spring window hole structure provided on a control ring of a water guiding mechanism of a water turbine, a bearing groove is provided on an outer ring surface of an outer guiding ring of the water guiding mechanism, the control ring of the water guiding mechanism is provided outside the outer guiding ring, a steel ball is provided in the bearing groove, and the control ring is rotatably connected with the outer guiding ring through the arrangement of the steel ball.
This prior art has the following disadvantages: because the size of the through-flow type unit is generally larger, the control ring is sleeved on the outer guide ring, steel balls are arranged between the control ring and the outer guide ring, the control ring is heavy and is arranged in a horizontal shaft mode, after the unit operates for a period of time, the control ring and the outer guide ring can rotate reciprocally at a small angle, the bearing capacity of the upper steel ball is always larger than that of the lower steel ball, and the abrasion loss of the upper steel ball in the chute is larger than that of the lower steel ball due to the dead weight of the control ring, so that the gravity center of the control ring moves downwards, the phenomenon of unsmooth or blocking occurs when the water guide mechanism is operated, and the steel ball needs to be replaced frequently and the chute is repaired.
Disclosure of Invention
The utility model provides an auxiliary supporting device for a control ring of a through-flow turbine, which aims to solve the technical problems of frequent replacement of steel balls and repair of sliding grooves and is characterized by comprising a hanging frame, wherein the lower part of the hanging frame is a bending part, a self-lubricating anti-wear pad and a supporting block are arranged on the bending part, the self-lubricating anti-wear pad is fixedly connected above the supporting block, and a fixing mechanism is arranged on the upper part of the hanging frame; the fixing mechanism is used for being connected with the side wall of the outer guide ring, and the self-lubricating anti-wear pad is used for supporting and being connected with the outer circle at the bottom of the control ring.
Preferably, the hanging frame is of an L-shaped structure.
In order to prevent the control ring from rotating unsmoothly due to rigid contact between the control ring and the support block, a rubber pad is arranged between the support block and the bending part.
In order to facilitate adjustment of the installation height, an adjusting gasket is arranged between the supporting block and the bending part.
In order to improve the bearing strength, the bending part, the supporting block, the rubber pad and the adjusting gasket are fixedly connected into a whole.
Preferably, the fixing mechanism comprises a bolt and a nut, a mounting hole is formed in the upper portion of the hanger, the bolt is fixed in the mounting hole through the nut, and the bolt is used for fixing the outer guide ring.
In order to facilitate quick installation, the upper portion of the hanger is provided with a locating pin, and the locating pin is used for being matched with the outer guide ring to carry out locating.
The utility model has the following beneficial effects:
1. the control ring is supported by the hanger, the stress difference of the steel balls at the upper part and the lower part is reduced under the action of supporting force, the purpose of prolonging the service cycle of the steel balls is achieved, the gravity center of the control ring is prevented from moving downwards to affect the normal operation of the water guide mechanism, the control ring and the self-lubricating wear-resistant pad can slide relatively, the phenomenon of eccentric wear of the steel balls is avoided on the premise that the operation of the water guide mechanism of the control ring is not affected, the supporting effect is achieved, and the problem that the income of a power station is affected by frequently replacing the steel balls to repair the sliding groove is effectively solved.
Drawings
FIG. 1 is a schematic view of an embodiment of a tubular turbine control ring auxiliary support device;
FIG. 2 is a schematic view of the installation structure of the auxiliary supporting device of the control ring of the through-flow turbine.
Detailed Description
The following is a further detailed description of the embodiments:
1. reference numerals in the drawings of the specification include: the self-lubricating wear-resistant support comprises a hanging frame 1, a bending part 2, a self-lubricating wear-resistant pad 3, a supporting block 4, an outer guide ring 5, a control ring 6, a rubber pad 7, an adjusting gasket 8, a fixing bolt 9, a bolt 10, a nut 11, a positioning pin 12, a sliding chute 13 and a steel ball 14.
Example 1
As shown in fig. 1-2, an auxiliary supporting device for a control ring of a through-flow turbine comprises a hanger 1 with an L-shaped structure, wherein the lower part of the hanger 1 is provided with a bending part 2, the bending angle is a right angle, the bending part 2 is provided with a self-lubricating anti-wear pad 3 and a supporting block 4, the self-lubricating anti-wear pad 3 is fixedly connected above the supporting block 4, and the upper part of the hanger 1 is provided with a fixing mechanism; the fixing mechanism is used for being connected with the side wall of the outer guide ring 5, and the self-lubricating wear pad 3 is used for supporting and being connected with the outer circle at the bottom of the control ring 6.
Be equipped with rubber pad 7 and adjustment gasket 8 between supporting shoe 4 and kink 2, supporting shoe 4, rubber pad 7 and adjustment gasket 8 pass through fixing bolt 9 and connect as an organic wholely.
The fixing mechanism comprises a bolt 10 and a nut 11, a mounting hole is formed in the upper portion of the hanger 1, the bolt 10 is fixed in the mounting hole through the nut 11, and the bolt 10 is used for fixedly connecting the outer guide ring 5.
The upper part of the hanging frame 1 is also provided with a locating pin 12, and the locating pin 12 is used for being matched with the outer guide ring 5 to carry out locating.
The control ring 6 and the outer guide ring 5 realize rotation by rolling steel balls 14 filled in the sliding groove 13 during relative movement, the weight of the control ring 6 is heavy similar to that of a bearing structure, the stress of the upper steel ball 14 in the sliding groove 13 is larger than that of the lower steel ball 14 due to the dead weight of the control ring 6 after a set operates for a period of time, the steel balls in the drawing are the lower steel balls 14, the eccentric wear phenomenon occurs, so that the center of gravity of the control ring 6 moves downwards, the lower part of the outer circle of the control ring 6 is supported on the self-lubricating wear-resistant pad 3, the stress difference of the upper steel ball 14 and the lower steel ball 14 is reduced under the action of supporting force, and the purpose of prolonging the service cycle of the steel balls 14 is achieved.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. An auxiliary supporting device for a control ring of a tubular turbine is characterized in that: the self-lubricating wear-resistant hanger comprises a hanger (1), wherein the lower part of the hanger (1) is provided with a bending part (2), the bending part (2) is provided with a self-lubricating wear-resistant pad (3) and a supporting block (4), the self-lubricating wear-resistant pad (3) is fixedly connected above the supporting block (4), and the upper part of the hanger (1) is provided with a fixing mechanism; the fixing mechanism is used for being connected with the side wall of the outer guide ring (5), and the self-lubricating wear-resistant pad (3) is used for being supported and connected on the outer circle at the bottom of the control ring (6).
2. The through-flow turbine control ring auxiliary support device according to claim 1, wherein: the hanging rack (1) is of an L-shaped structure.
3. The through-flow turbine control ring auxiliary support device according to claim 1 or 2, characterized in that: a rubber pad (7) is arranged between the supporting block (4) and the bending part (2).
4. A tubular turbine control ring auxiliary support according to claim 3, characterized in that: an adjusting gasket (8) is arranged between the supporting block (4) and the bending part (2).
5. The through-flow turbine control ring auxiliary support device according to claim 4, wherein: the bending part (2), the supporting block (4), the rubber pad (7) and the adjusting gasket (8) are fixedly connected into a whole.
6. The through-flow turbine control ring auxiliary supporting device according to claim 4 or 5, characterized in that: the fixing mechanism comprises a bolt (10) and a nut (11), a mounting hole is formed in the upper portion of the hanging frame (1), the bolt (10) is fixed in the mounting hole through the nut (11), and the bolt (10) is used for fixing the outer guide ring (5).
7. The through-flow turbine control ring auxiliary supporting device according to claim 6, wherein: the upper portion of stores pylon (1) is equipped with locating pin (12), locating pin (12) are used for cooperating outer guide ring (5) location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939044.5U CN219587697U (en) | 2023-04-24 | 2023-04-24 | Auxiliary supporting device for control ring of through-flow turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939044.5U CN219587697U (en) | 2023-04-24 | 2023-04-24 | Auxiliary supporting device for control ring of through-flow turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219587697U true CN219587697U (en) | 2023-08-25 |
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ID=87686729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320939044.5U Active CN219587697U (en) | 2023-04-24 | 2023-04-24 | Auxiliary supporting device for control ring of through-flow turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219587697U (en) |
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2023
- 2023-04-24 CN CN202320939044.5U patent/CN219587697U/en active Active
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