CN213235315U - Current limiting device of hydraulic generator - Google Patents
Current limiting device of hydraulic generator Download PDFInfo
- Publication number
- CN213235315U CN213235315U CN202020890052.1U CN202020890052U CN213235315U CN 213235315 U CN213235315 U CN 213235315U CN 202020890052 U CN202020890052 U CN 202020890052U CN 213235315 U CN213235315 U CN 213235315U
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- Prior art keywords
- butterfly valve
- filter screen
- limiting device
- fixed
- hydraulic generator
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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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Abstract
The utility model provides a hydraulic generator current limiting device belongs to the hydraulic generator field. The utility model relates to a hydraulic generator current limiting device, which comprises a butterfly valve, a single-lug stop washer, a bolt, a nut and a flange, wherein the butterfly valve is arranged between an upper flange and a lower flange; the flow limiting device further comprises a filter screen and a gasket, the filter screen is fixed on the butterfly valve and is semicircular, the diameter of the filter screen is fixed on a valve rod of the butterfly valve, and the semicircular arc of the filter screen is fixed on the gasket. The utility model can work stably for a long time, has simple installation and convenient maintenance, does not generate secondary pollution caused by oil mist escaping, and can adjust the air flow by adopting a butterfly valve through five gears; the adoption is fixed the filter screen on the butterfly valve, neither influences opening and shutting of butterfly valve, also can guarantee filterable effect.
Description
Technical Field
The utility model relates to a hydraulic generator current limiting device belongs to the hydraulic generator field.
Background
The current limiting device assembled in the existing large-scale generator is unstable in work and easy to cause faults, secondary pollution can be caused due to the escape of oil mist, adjustment can not be carried out according to actual conditions, and the problems of complex installation, difficult maintenance and the like exist.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and further providing a flow limiting device of a hydraulic generator.
The utility model aims at realizing through the following technical scheme:
the utility model provides a hydraulic generator current limiting device, includes butterfly valve, monaural lock washer, bolt, nut and flange, and the butterfly valve setting is between two upper and lower flanges, and two upper and lower flanges are fixed through bolt and nut with the butterfly valve, has placed monaural lock washer between bolt head and the upper flange, has placed monaural lock washer between lower flange and the nut.
The utility model relates to a hydraulic generator current limiting device, current limiting device still includes filter screen and packing ring, and the filter screen is fixed on the butterfly valve, and the filter screen is semi-circular, and the diameter of filter screen is fixed on the valve rod of butterfly valve, and the half-circular arc of filter screen is fixed on the packing ring.
The utility model relates to a hydraulic generator current limiting device, the upper and lower both ends of butterfly valve are fixed with semi-circular filter screen respectively, and the valve plate of butterfly valve is rotatory toward the direction of keeping away from the filter screen when rotatory.
The utility model relates to a hydraulic generator current limiting device, the gasket is the U type, and the gasket has all been placed from top to bottom to the valve body of butterfly valve.
The utility model relates to a hydraulic generator current limiting device, the filter screen adopts the elasticity filter screen.
The utility model relates to a hydraulic generator current limiting device, two upper and lower flanges and butterfly valve are fixed through 8 bolts.
The utility model relates to a flow limiting device of a hydraulic generator, which can work stably for a long time, is simple to install and convenient to maintain, does not generate secondary pollution caused by oil mist escaping, and can adjust air flow by five gears by adopting a butterfly valve; the adoption is fixed the filter screen on the butterfly valve, neither influences opening and shutting of butterfly valve, also can guarantee filterable effect.
Drawings
Fig. 1 is the utility model discloses a hydraulic generator current limiting device's schematic structure diagram.
Fig. 2 is a plan view of the butterfly valve of the present invention when closed.
Fig. 3 is a top view of the butterfly valve of the present invention when opened.
Fig. 4 is a cross-sectional view of the butterfly valve of the present invention when closed.
Fig. 5 is a cross-sectional view of the butterfly valve of the present invention when opened.
The reference numbers in the figures are: 1 is a butterfly valve; 2 is a single ear stop washer; 3 is a bolt; 4 is a nut; 5 is a flange; 6 is a filter screen; and 7 is a gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
The first embodiment is as follows: as shown in fig. 1-5, the current limiting device for the hydraulic generator according to the present embodiment includes a butterfly valve, a single-lug locking gasket, a bolt, a nut, and a flange, wherein the butterfly valve is disposed between an upper flange and a lower flange, the upper flange and the lower flange are fixed with the butterfly valve through the bolt and the nut, the single-lug locking gasket is disposed between the bolt head and the upper flange, and the single-lug locking gasket is disposed between the lower flange and the nut.
The flow limiting device further comprises a filter screen and a gasket, the filter screen is fixed on the butterfly valve and is semicircular, the diameter of the filter screen is fixed on a valve rod of the butterfly valve, and the semicircular arc of the filter screen is fixed on the gasket. The gasket arranged between the upper flange and the lower flange and the butterfly valve is a U-shaped ring with the same size as the butterfly body.
The upper end and the lower end of the butterfly valve are respectively fixed with a semicircular filter screen, and the valve plate of the butterfly valve rotates in the direction away from the filter screen when rotating. The gaskets above and below the butterfly valve are made of rubber materials, the gaskets and the filter screen are fixed through glue, and the filter screen and the butterfly plate can be fixed in a metal strip welding mode, a gluing mode and the like.
The gaskets are U-shaped, and the gaskets are arranged on the upper part and the lower part of a valve body of the butterfly valve; the filter screen adopts the elasticity filter screen. When the butterfly valve is closed, the semi-circular arc of the filter screen is fixed with the gasket, the diameter end of the filter screen is fixed with the butterfly rod, the fixed position of the valve rod and the filter screen is positioned at the top or the bottom, and the filter screen is stretched to be flat; when the butterfly valve is opened, the top or the bottom of the valve rod fixed with the filter screen is positioned inside the butterfly valve, and the area of the filter screen is smaller than that of the filter screen when the butterfly valve is closed.
The upper flange and the lower flange are fixed with the butterfly valve through 8 bolts; be provided with four bolt holes on the butterfly valve, fix through 8 bolts between the upper and lower flange, can guarantee the stability and the sealed of butterfly valve connection.
Example two: as shown in fig. 1 to 5, in the current limiting device for the hydraulic generator according to the present embodiment, when the current limiting device is installed, the upper flange and the lower flange are first fixed to the pipeline, the butterfly valve is then placed between the two flanges, bolt holes of the flanges and the butterfly valve are aligned, the position of the gasket is ensured, the gasket is ensured to be fixed between the flanges and the butterfly valve, the upper flange and the lower flange are then fixed to the butterfly valve by using bolts, single-lug locking gaskets and bolts, and the upper flange and the lower flange are then welded to the pipeline.
The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a hydraulic generator current limiting device, a serial communication port, hydraulic generator current limiting device includes butterfly valve (1), monaural check washer (2), bolt (3), nut (4) and flange (5), and butterfly valve (1) sets up between two upper and lower flanges (5), and two upper and lower flanges (5) are fixed through bolt (3) and nut (4) with butterfly valve (1), has placed monaural check washer (2) between bolt head and upper flange (5), has placed monaural check washer (2) between lower flange (5) and nut (4).
2. The flow limiting device of a hydro-generator according to claim 1, further comprising a filter screen (6) and a gasket (7), wherein the filter screen (6) is fixed on the butterfly valve (1), the filter screen (6) is semicircular, the diameter of the filter screen (6) is fixed on the valve rod of the butterfly valve (1), and the semicircular arc of the filter screen (6) is fixed on the gasket (7).
3. The flow limiting device of a hydro-generator according to claim 2, wherein the upper and lower ends of the butterfly valve (1) are respectively fixed with a semicircular filter screen (6), and the valve plate of the butterfly valve (1) rotates in a direction away from the filter screen (6) when rotating.
4. The flow limiting device of the hydro-generator according to claim 2, wherein the gasket (7) is U-shaped, and the gasket (7) is arranged on the upper and lower sides of the valve body of the butterfly valve (1).
5. The flow-limiting device of a hydraulic generator according to claim 2, wherein the strainer (6) is an elastic strainer.
6. The flow limiting device of a hydro-generator according to claim 1, wherein the upper and lower flanges (5) and the butterfly valve (1) are fixed with nuts (4) through 8 bolts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890052.1U CN213235315U (en) | 2020-05-25 | 2020-05-25 | Current limiting device of hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890052.1U CN213235315U (en) | 2020-05-25 | 2020-05-25 | Current limiting device of hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235315U true CN213235315U (en) | 2021-05-18 |
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ID=75867691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020890052.1U Active CN213235315U (en) | 2020-05-25 | 2020-05-25 | Current limiting device of hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235315U (en) |
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2020
- 2020-05-25 CN CN202020890052.1U patent/CN213235315U/en active Active
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