Novel piston type energy accumulator

Abstract

The utility model discloses a novel piston type energy accumulator which comprises a barrel body, an air filter is arranged at the top end of the barrel body, an oil inlet and outlet stop valve is arranged at the bottom end of the barrel body, a piston is arranged in the barrel body, an upper oil return pipe and a lower oil return pipe are arranged on the barrel body, the upper oil return pipe is connected with an upper oil return stop valve, and the lower oil return pipe is connected with a lower oil return stop valve. The upper oil return pipe is connected with an upper oil return stop valve, the lower oil return pipe is connected with a lower oil return stop valve, a connecting pipe is arranged between the upper oil return stop valve and the lower oil return stop valve, and the capacity of the barrel is 30 L. The utility model has the beneficial effects that the sealing performance of the cylinder body is ensured by arranging the two sealing rings, in addition, the oil inlet and outlet stop valve and the oil return stop valve are arranged to ensure the field assembly and disassembly, the mounting and the disassembly are convenient, the air filter is arranged at the top to prevent impurities in the air, and the stability of the oil pressure of a lubricating system can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of accumulators, in particular to a novel piston accumulator. Background Technique

[0002] An accumulator is a device used to store and release energy in a hydraulic system. The system pressure of the lubrication system in a steam turbine control system needs to be maintained within a certain range. When the lubricating oil pump is switched, it is necessary to ensure the stability of the pressure and flow rate of the lubricating oil pressure. Therefore, an accumulator is required to compensate for the oil used in the system to maintain the system pressure.

[0003] The accumulators of the prior art have complex structures and are not convenient for installation. In addition, when the lubricating oil pump system is switched, the lubricating oil flow time is long, and the pressure and stability of the lubricating oil pump cannot be guaranteed. In addition, the oil storage capacity of the accumulator is small and cannot meet the needs of the oil pressure when the oil pump is switched. Content of the Utility Model

[0004] The purpose of the utility model is to provide a novel piston accumulator to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A novel piston accumulator, including a cylinder body, an air filter is provided at the top end of the cylinder body, an oil inlet and outlet stop valve is provided at the bottom end of the cylinder body, a piston is provided inside the cylinder body, an upper oil return pipe and a lower oil return pipe are provided on the cylinder body, the upper oil return pipe is connected with an upper oil return stop valve, the lower oil return pipe is connected with a lower oil return stop valve, a connecting pipe is provided between the upper oil return stop valve and the lower oil return stop valve, and the capacity of the cylinder body is 30L.

[0006] Preferably, a bottom cover is provided at the bottom end of the cylinder body, and the oil inlet and outlet stop valve is connected with the bottom cover.

[0007] Preferably, a pressure measuring joint is provided on the bottom cover.

[0008] Preferably, the cylinder body includes an upper cylinder body and a lower cylinder body, and the air filter is arranged at the top end of the upper cylinder body.

[0009] Preferably, a first sealing ring and a second sealing ring are provided inside the lower cylinder body.

[0010] Compared with the prior art, the beneficial effects of the utility model are: The utility model ensures the sealing performance of the cylinder body by setting two sealing rings, and is also equipped with an oil inlet and outlet stop valve and an oil return stop valve to ensure on-site assembly and disassembly, which is convenient for installation and disassembly. The top is equipped with an air filter to prevent impurities in the air, and can ensure the stability of the oil pressure of the lubrication system. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of the utility model.

[0012] In the figure: 1. Cylinder body; 2. Air filter; 3. Inlet and outlet oil stop valve; 4. Piston; 5. Upper oil return pipe; 6. Lower oil return pipe; 7. Upper oil return stop valve; 8. Lower oil return stop valve; 9. Connecting pipe; 10. Bottom cover; 11. Pressure measuring joint; 12. Upper cylinder body; 13. Lower cylinder body; 14. First sealing ring; 15. Second sealing ring. Specific embodiments

[0013] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0014] Please refer to Figure 1 , the present invention provides a technical solution: a new type of piston accumulator, including a cylinder body 1, an air filter 2 is provided at the top end of the cylinder body 1, an inlet and outlet oil stop valve 3 is provided at the bottom end of the cylinder body 1, a piston 4 is provided inside the cylinder body 1, an upper oil return pipe 5 and a lower oil return pipe 6 are provided on the cylinder body 1, an upper oil return stop valve 7 is connected to the upper oil return pipe 5, a lower oil return stop valve 8 is connected to the lower oil return pipe 6, and a connecting pipe 9 is provided between the upper oil return stop valve 7 and the lower oil return stop valve 8. The capacity of the cylinder body is 30L, which can meet the need for storing a large amount of lubricating oil. When the system operates normally, the pressure energy is converted into gravitational potential energy for energy storage, and the stored pressure oil is released when the oil pump is switched, realizing the function of the accumulator.

[0015] Specifically, a bottom cover 10 is provided at the bottom end of the cylinder body 1, and the inlet and outlet oil stop valve 3 is connected to the bottom cover 10.

[0016] Specifically, a pressure measuring joint 11 is provided on the bottom cover 10, and the pressure measuring joint 11 is used to connect a pressure gauge to detect the pressure inside the cylinder body 1.

[0017] Specifically, the cylinder body 1 includes an upper cylinder body 12 and a lower cylinder body 13, and the air filter 2 is provided at the top end of the upper cylinder body 12. The air filter 2 can filter impurities in the air to prevent impurities from entering the cylinder body 1 and adhering to the inner wall to damage the sealing performance.

[0018] Specifically, a first sealing ring 14 and a second sealing ring 15 are provided inside the lower cylinder body 13. The two sealing rings can further ensure the sealing performance of the cylinder body 1.

[0019] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A novel piston accumulator, comprising a cylinder, characterized in that: An air filter is provided at the top of the cylinder, an oil inlet and outlet stop valves are provided at the bottom of the cylinder, a piston is provided in the cylinder, an upper oil return pipe and a lower oil return pipe are provided on the cylinder, the upper oil return pipe is connected to the upper oil return stop valve, the lower oil return pipe is connected to the lower oil return stop valve, a connecting pipe is provided between the upper oil return stop valve and the lower oil return stop valve, and the capacity of the cylinder is 30L.

2. A novel piston accumulator according to claim 1, characterized in that: A bottom cover is provided at the bottom end of the cylinder, and the oil inlet and outlet stop valves are connected to the bottom cover.

3. A novel piston accumulator according to claim 2, characterized in that: The bottom cover is provided with a pressure measuring joint.

4. A novel piston accumulator according to claim 3, characterized in that: The cylinder comprises an upper cylinder and a lower cylinder, and the air filter is arranged at the top of the upper cylinder.

5. A novel piston accumulator according to claim 4, characterized in that: The lower cylinder is provided with a first sealing ring and a second sealing ring.

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