CN211315292U - Oil cylinder accumulator assembly of large-scale complex gas-liquid linkage driving device - Google Patents
Oil cylinder accumulator assembly of large-scale complex gas-liquid linkage driving device Download PDFInfo
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- CN211315292U CN211315292U CN201922197993.7U CN201922197993U CN211315292U CN 211315292 U CN211315292 U CN 211315292U CN 201922197993 U CN201922197993 U CN 201922197993U CN 211315292 U CN211315292 U CN 211315292U
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Abstract
The utility model belongs to a close fast valve with large-scale complicated gas-liquid linkage drive arrangement's hydro-cylinder accumulator combination, concretely relates to hydro-cylinder and accumulator sharing combination cylinder body among the valve gas-liquid linkage drive arrangement, structurally belongs to a technical scheme of an integral rigid body. The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device comprises the oil cylinder accumulator assembly, wherein an inflation inlet connector is arranged on the oil cylinder accumulator assembly and is used for being communicated with an external air source, and the oil cylinder accumulator assembly is used for realizing oil cylinder energy storage. This neotype effect is: the oil cylinder and the energy accumulator share one combined cylinder body, the combined cylinder body is structurally an integral rigid body, the structure is compact, the anti-seismic performance is good, the appearance is attractive, and a hydraulic duct can be integrated in the combined cylinder body, so that system pipelines are saved, the leakage risk is reduced, the assembly, the disassembly and the maintenance are convenient, and the inflation inlet of the energy accumulator is arranged on the side surface of the combined cylinder body, so that the assembly and the disassembly of the inflation pipeline are more convenient.
Description
Technical Field
The utility model belongs to a close fast valve with large-scale complicated gas-liquid linkage drive arrangement's hydro-cylinder accumulator combination, concretely relates to hydro-cylinder and accumulator sharing combination cylinder body among the valve gas-liquid linkage drive arrangement, structurally belongs to a technical scheme of an integral rigid body.
Background
The driving device for the quick-closing valve adopts a gas-liquid linkage driving mode, is arranged on the valve through a bottom support, and is connected with a valve rod of the valve through a piston rod so as to drive the valve to act. The safety related function of the driving device for the quick-closing valve is a quick-closing function, namely the driving device has the function of quickly closing the valve under the accident conditions including normal working conditions, emergency working conditions (when any pipeline breakage accident happens at the upstream or the downstream of the valve), operation safety earthquake and the period after the extreme safety earthquake. Therefore, the drive device for the quick-closing valve plays an important role in safety of the nuclear power plant.
The realization mode of the quick closing function of the driving device for the quick closing valve is as follows: nitrogen with certain pressure is filled in the energy accumulator in advance, certain hydraulic oil is stored in the oil side of the energy accumulator, and the oil side of the energy accumulator is isolated from the rodless cavity of the oil cylinder through the logic valve. When the quick closing action is required to be executed, the corresponding electromagnetic valve is electrified, so that the logic valve is opened, nitrogen in the energy accumulator expands rapidly, hydraulic oil on the oil side of the energy accumulator is pushed to flow into a rodless cavity of the oil cylinder through a pipeline, a piston of the oil cylinder is pushed to move rapidly, hydraulic oil in a rod cavity of the oil cylinder can also be discharged back to the oil tank rapidly, and the rapidly moving oil cylinder piston drives the valve to realize the quick closing function through the piston rod.
In the structure of the conventional driving device for the quick-closing valve, an oil cylinder and an energy accumulator are completely separated and independent in structure, the oil cylinder and the energy accumulator are required to be installed and fixed respectively, the integral rigidity of the driving device is difficult to improve, so that the anti-seismic performance of the driving device is weaker, the pipeline connection between the oil cylinder and the energy accumulator is complex, the disassembly, the assembly and the maintenance are inconvenient, the inflation inlet of the conventional energy accumulator is arranged at the end face of an end cover, if the energy accumulator is installed in a vertical mode, and if the air side is arranged below the energy accumulator, the pipeline arrangement of the inflation inlet is inconvenient.
Based on the problems, the oil cylinder accumulator combination of the large complex gas-liquid linkage driving device for the quick-closing valve is designed. Its characteristics and main advantage lie in:
novel content
The novel aim at provides an oil cylinder accumulator assembly, which is a novel oil cylinder accumulator assembly of a large-scale complex gas-liquid linkage driving device for a quick-closing valve. The hydraulic cylinder and the energy accumulator are integrated by sharing one combined cylinder body, the overall rigidity and the anti-seismic performance are improved, the pipeline arrangement is simplified by integrating a hydraulic duct in the combined cylinder body and changing the position of an inflation inlet, and the pipeline is more convenient to disassemble, assemble and maintain.
This is novel to realize like this: the oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device comprises the oil cylinder accumulator assembly, wherein an inflation inlet connector is arranged on the oil cylinder accumulator assembly and is used for being communicated with an external air source, and the oil cylinder accumulator assembly is used for realizing oil cylinder energy storage.
The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device is characterized in that the oil cylinder accumulator assembly is composed of a frame welding piece, two valve blocks, namely a valve block 1 and a valve block 2, are arranged on the frame welding piece, and a support is arranged below the oil cylinder accumulator assembly.
The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device is characterized in that two cylindrical cavities are arranged in the oil cylinder accumulator assembly, and the two cylindrical cavities are respectively provided with the valve assembly and the energy storage assembly.
The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device comprises an oil cylinder piston arranged in the oil cylinder accumulator assembly, an oil cylinder piston rod is arranged below the oil cylinder piston, an oil cylinder guide sleeve is further arranged on the oil cylinder accumulator assembly, and the oil cylinder piston rod penetrates through the oil cylinder guide sleeve.
The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device is characterized in that a sealing ring is arranged between the oil cylinder piston and the oil cylinder accumulator assembly.
The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device is characterized in that a sealing ring is arranged between the oil cylinder guide sleeve and the oil cylinder accumulator assembly.
The oil cylinder accumulator assembly of the large-scale complex gas-liquid linkage driving device comprises a valve assembly, a valve seat, a valve cover and a guide sleeve, wherein the valve assembly further comprises an oil cylinder gland, and the oil cylinder gland is used for fixing the oil cylinder guide sleeve.
The oil cylinder energy accumulator assembly of the large-scale complex gas-liquid linkage driving device comprises an energy accumulator piston and an energy accumulator end cover, wherein the energy accumulator piston is arranged in the oil cylinder energy accumulator assembly, the energy accumulator end cover is arranged on the surface of the oil cylinder energy accumulator assembly, and a cavity is formed between the energy accumulator piston and the energy accumulator end cover.
This neotype effect is: the oil cylinder and the energy accumulator share one combined cylinder body, the combined cylinder body is structurally an integral rigid body, the structure is compact, the anti-seismic performance is good, the appearance is attractive, and a hydraulic duct can be integrated in the combined cylinder body, so that system pipelines are saved, the leakage risk is reduced, the assembly, the disassembly and the maintenance are convenient, and the inflation inlet of the energy accumulator is arranged on the side surface of the combined cylinder body, so that the assembly and the disassembly of the inflation pipeline are more convenient.
The method specifically comprises the following three points:
(1) cylinder body integration
The oil cylinder and the energy accumulator share one combined cylinder body, the combined cylinder body is integrally processed by a forging piece, an oil cylinder piston rod, an oil cylinder guide sleeve, an oil cylinder gland, an energy accumulator piston and an energy accumulator end cover are respectively arranged in two large cylindrical hole cavities of the combined cylinder body, the functions of the oil cylinder and the energy accumulator can be separately realized, the bottom surface and the top surface of the combined cylinder body are fixed with a structural member of a driving device through screws, and the combined cylinder body is an integral rigid body, compact in structure, good in anti-seismic performance and attractive in appearance.
(2) Pore canal integration
Some hydraulic ducts can be freely integrated in the combined cylinder body according to the conditions of space and wall thickness, and an external valve block is combined to realize the system function and simplify the pipeline of the system, so that the leakage risk is reduced, and the assembly, disassembly and maintenance are convenient.
(3) Inflation port position optimization
The gas charging port on the gas side of the energy accumulator is designed at the side position of the combined cylinder body instead of the end surface position of the end cover of the common conventional energy accumulator, so that when the oil cylinder energy accumulator combined structure adopts a vertical installation mode, the arrangement of a gas charging pipeline is more convenient than that of the conventional energy accumulator.
Drawings
Fig. 1 is an outline view of an oil cylinder accumulator assembly of a large complex gas-liquid linkage driving device for a quick-closing valve provided by the present invention;
FIG. 2 is a schematic view of the cylinder accumulator assembly secured to the structural member and valve block of the drive unit;
FIG. 3 is a cross-sectional view of a cylinder accumulator assembly;
in the figure: 1. a cylinder accumulator assembly; 2. an inflation port connector; 3. a valve block 1; 4. a support; 5. a frame weldment; 6. a valve block 2; 7. a cylinder piston; 8. a cylinder piston rod; 9. a cylinder guide sleeve; 10. a cylinder gland; 11. an accumulator piston; 12. an accumulator end cap.
Detailed Description
As shown in the attached figures 1-3, the oil cylinder accumulator assembly suitable for the large complex gas-liquid linkage driving device for the quick-closing valve mainly structurally comprises: a cylinder accumulator assembly; an inflation port connector; a valve block 1; a support; a frame weldment; a valve block 2; a cylinder piston; a cylinder piston rod; a cylinder guide sleeve; a cylinder gland; an accumulator piston; an accumulator end cap.
The oil cylinder and the energy accumulator share one combined cylinder body, the combined cylinder body is structurally an integral rigid body, the structure is compact, the anti-seismic performance is good, the appearance is attractive, and a hydraulic duct can be integrated in the combined cylinder body, so that system pipelines are saved, the leakage risk is reduced, the assembly, the disassembly and the maintenance are convenient, and the inflation inlet of the energy accumulator is arranged on the side surface of the combined cylinder body, so that the assembly and the disassembly of the inflation pipeline are more convenient.
The combined cylinder body is integrally processed by a forging piece, an oil cylinder piston rod, an oil cylinder guide sleeve, an oil cylinder gland, an energy accumulator piston and an energy accumulator end cover are respectively arranged in two large cylindrical hole cavities of the combined cylinder body, so that the functions of the oil cylinder and the energy accumulator can be separately realized, the bottom surface and the top surface of the combined cylinder body are fixed with a structural member of a driving device through screws, and the combined cylinder body is an integral rigid body, and has the advantages of compact structure, good anti-seismic performance and attractive appearance.
The combined cylinder body can be freely integrated with a plurality of hydraulic ducts according to the conditions of space and wall thickness, and is combined with an external valve block to realize the system function, and the pipeline of the system can be simplified, so that the leakage risk is reduced, and the assembly, disassembly and maintenance are convenient.
The gas charging port on the gas side of the energy accumulator is designed at the side position of the combined cylinder body instead of the end cover end surface position of the common conventional energy accumulator, so that when the oil cylinder energy accumulator combined structure adopts a vertical installation mode, the arrangement of a gas charging pipeline is more convenient than that of the conventional energy accumulator.
Claims (8)
1. The utility model provides a large-scale complicated gas-liquid linkage drive arrangement's hydro-cylinder accumulator combination which characterized in that: the oil cylinder energy accumulator assembly comprises an oil cylinder energy accumulator assembly (1), wherein an inflation inlet connector (2) is arranged on the oil cylinder energy accumulator assembly (1), the inflation inlet connector (2) is communicated with an external air source, and the oil cylinder energy accumulator assembly (1) is used for realizing oil cylinder energy storage.
2. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 1, characterized in that: the oil cylinder accumulator assembly (1) is composed of a frame welding piece (5), two valve blocks, namely a valve block 1(3) and a valve block 2(6), are arranged on the frame welding piece (5), and a support (4) is arranged below the oil cylinder accumulator assembly (1).
3. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 2, wherein: two cylindrical cavities are arranged in the oil cylinder accumulator assembly (1), and the two cylindrical cavities are respectively provided with a valve component and an energy storage component.
4. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 3, wherein: the valve component comprises an oil cylinder piston (7) arranged in the oil cylinder accumulator assembly (1), an oil cylinder piston rod (8) is arranged below the oil cylinder piston (7), an oil cylinder guide sleeve (9) is further arranged on the oil cylinder accumulator assembly (1), and the oil cylinder piston rod (8) penetrates through the oil cylinder guide sleeve (9).
5. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 4, wherein: and a sealing ring is arranged between the oil cylinder piston (7) and the oil cylinder accumulator assembly (1).
6. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 5, wherein: and a sealing ring is arranged between the oil cylinder guide sleeve (9) and the oil cylinder accumulator assembly (1).
7. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 6, wherein: the valve component also comprises an oil cylinder gland (10), and the oil cylinder gland (10) is used for fixing the oil cylinder guide sleeve (9).
8. The cylinder accumulator combination of the large-scale complex gas-liquid linkage driving device according to claim 3, wherein: the energy storage assembly comprises an energy storage piston (11) arranged in the oil cylinder energy storage device assembly (1) and an energy storage end cover (12) arranged on the surface of the oil cylinder energy storage device assembly (1), and a cavity is formed between the energy storage piston (11) and the energy storage end cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197993.7U CN211315292U (en) | 2019-12-10 | 2019-12-10 | Oil cylinder accumulator assembly of large-scale complex gas-liquid linkage driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197993.7U CN211315292U (en) | 2019-12-10 | 2019-12-10 | Oil cylinder accumulator assembly of large-scale complex gas-liquid linkage driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211315292U true CN211315292U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197993.7U Active CN211315292U (en) | 2019-12-10 | 2019-12-10 | Oil cylinder accumulator assembly of large-scale complex gas-liquid linkage driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211315292U (en) |
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- 2019-12-10 CN CN201922197993.7U patent/CN211315292U/en active Active
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Effective date of registration: 20220616 Address after: No. 501, Zhujiang Road, Suzhou City, Jiangsu Province Patentee after: CNNC SUFA TECHNOLOGY INDUSTRY Co.,Ltd. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: No. 501, Zhujiang Road, Suzhou City, Jiangsu Province Patentee before: CNNC SUFA TECHNOLOGY INDUSTRY Co.,Ltd. |