Novel double-fed wind generating set gearbox lubricating oil filter element

Abstract

The utility model discloses a novel double-fed wind generating set gearbox lubricating oil filter element, and relates to the technical field of filtering. The novel doubly-fed wind generating set gearbox lubricating oil filter element comprises a filter paper cylinder, an upper end cover and a lower end cover are arranged at the upper end and the lower end of the filter paper cylinder respectively, a liquid inlet is formed in the middle of the top of the upper end cover, an annular permanent magnet is arranged at the bottom of the lower end cover, and a base is arranged at the bottom of the annular permanent magnet. A liquid outlet is formed in the bottom of the base, and the outer wall of the annular permanent magnet is magnetically attracted to the outer wall of the bottom of the lower end cover and the outer wall of the top of the base. The annular permanent magnet is additionally arranged on the basis of a common filter element, so that iron powder and scrap iron in gear lubricating oil are better filtered and absorbed, the purity of the gear lubricating oil is ensured, friction and abrasion between gears are reduced, secondary damage of the scrap iron to the gears in a gear box is prevented, the quality of the gear lubricating oil is improved, and the service life of the gear box is prolonged. The service life of the gear assembly is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering, in particular to a novel double-fed wind power generator set gear box lubricating oil filter element. Background Art

[0002] The fan transmission system is mostly a gearbox system. In order to ensure the quality of gear lubricating oil during operation, it is very important to regularly replace the gearbox lubricating oil filter element. As the core component of the filtration system, the filter element undertakes the important task of intercepting impurities and protecting the cleanliness of gear lubricating oil. At present, the filter elements widely used in the market are usually composed of a variety of materials, including metal mesh, glass fiber, polypropylene, filter paper cylinder and sintered felt. These materials each have unique filtering characteristics and can effectively filter out impurities of different sizes and types.

[0003] Existing filter elements lack targeted measures for filtering specific impurities such as iron particles and iron filings. Due to their hardness and sharpness, iron particles and iron filings cause particularly severe wear and damage to gears. Therefore, how to develop more efficient and targeted filter elements to better filter out impurities such as iron particles and iron filings has become an urgent problem to be solved in the current field of fan transmission system maintenance. Utility Model Content

[0004] The utility model aims to provide a novel double-fed wind turbine gearbox lubricating oil filter element, which solves the technical problem in the above background technology that the current filter element is not convenient for filtering specific impurities such as iron particles and iron filings.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel double-fed wind turbine gearbox lubricating oil filter element, comprising a filter paper cylinder, wherein the upper and lower ends of the filter paper cylinder are respectively provided with an upper end cover and a lower end cover, a liquid inlet is provided at the top middle position of the upper end cover, an annular permanent magnet is provided at the bottom of the lower end cover, a base is provided at the bottom of the base, a liquid outlet is provided at the bottom, the outer wall of the annular permanent magnet is magnetically attracted to the bottom outer wall of the lower end cover and the top outer wall of the base, a connector 1 is fixedly connected to the bottom outer wall of the lower end cover, a connector 2 is fixedly connected to the top outer wall of the base, leakage holes are provided on the outer walls of the connector 1 and the connector 2, and the connector 1 and the connector 2 are inserted in the annular permanent magnet.

[0006] Preferably, the filter paper tube is formed by winding wavy filter paper, and the filter paper tube is cylindrical.

[0007] Preferably, a flow cavity is provided in the filter paper cylinder, the flow cavity extends along the direction of the central axis of the filter paper cylinder, and the flow cavity passes through both ends of the filter paper cylinder.

[0008] Preferably, the space between the annular permanent magnet and the base is a hollow structure, and a circular hole is provided at the center of the annular permanent magnet.

[0009] Preferably, the connector 1 and the connector 2 are cylindrical, and the outer wall of the connector 1 is sleeved with the inner wall of the connector 2.

[0010] Preferably, the radius of the circular hole is larger than the radius of connector one and connector two.

[0011] Compared with the related art, the novel double-fed wind turbine gearbox lubricating oil filter element provided by the utility model has the following beneficial effects:

[0012] The utility model provides a novel double-fed wind turbine gearbox lubricating oil filter element. On the basis of an ordinary filter element, an annular permanent magnet is added to better filter and absorb iron powder and iron filings in the gear lubricating oil, ensure the purity of the gear lubricating oil, reduce friction and wear between gears, prevent iron filings from causing secondary damage to the gears inside the gearbox, improve the quality of the gear lubricating oil, and extend the service life of the gear components. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the exploded structure of the utility model.

[0015] In the figure: 1. upper end cover; 2. liquid inlet; 3. filter paper tube; 4. lower end cover; 5. annular permanent magnet; 6. base; 7. liquid outlet; 8. circular hole; 9. connector 1; 10. connector 2; 11. leakage hole. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 2The utility model provides a technical solution: a novel double-fed wind turbine gearbox lubricating oil filter element, comprising a filter paper cylinder 3, an upper end cover 1 and a lower end cover 4 are respectively provided at the upper and lower ends of the filter paper cylinder 3, a liquid inlet 2 is opened at the middle position of the top of the upper end cover 1, an annular permanent magnet 5 is arranged at the bottom of the lower end cover 4, a base 6 is arranged at the bottom of the annular permanent magnet 5, a liquid outlet 7 is opened at the bottom of the base 6, the outer wall of the annular permanent magnet 5 is magnetically attracted to the bottom outer wall of the lower end cover 4 and the top outer wall of the base 6, a connector 1 9 is fixedly connected to the bottom outer wall of the lower end cover 4, a connector 2 10 is fixedly connected to the top outer wall of the base 6, the outer walls of the connector 1 9 and the connector 2 10 are both provided with leakage holes 11, and the connector 1 9 and the connector 2 10 are inserted in the annular permanent magnet 5.

[0018] In this embodiment, the gear lubricating oil moves into the connector 1 9 and the connector 2 10 through the liquid inlet 2 and the filter paper tube 3. A leakage hole 11 is set on the connector 1 9 and the connector 2 10 to facilitate the contact between the gear lubricating oil and the annular permanent magnet 5, so that it can adsorb the iron powder and iron filings in the gear lubricating oil.

[0019] The filter paper tube 3 is formed by winding wave-shaped filter paper, and the filter paper tube 3 is cylindrical.

[0020] In this embodiment, the wavy filter paper increases the contact area between the filter paper cylinder 3 and the gear lubricating oil, which helps to improve the filtering efficiency and enables more impurities to be captured and removed when passing through the filter element.

[0021] A flow cavity is provided in the filter paper tube 3 , and the flow cavity extends along the direction of the central axis of the filter paper tube 3 , and the flow cavity passes through both ends of the filter paper tube 3 .

[0022] In this embodiment, a flow cavity is provided in the filter paper tube 3, so that the gear lubricating oil can pass through the filter element smoothly, realizing continuous filtration of the gear lubricating oil. The flow cavity runs through both ends of the filter paper tube 3, so that the gear lubricating oil can enter and flow out of the filter element without hindrance, thereby ensuring the normal operation of the gear box.

[0023] The middle of the annular permanent magnet 5 and the base 6 is a hollow structure, and a circular hole 8 is opened at the center of the annular permanent magnet 5 .

[0024] Among them, the connector 1 9 and the connector 2 10 are cylindrical, and the outer wall of the connector 1 9 is sleeved with the inner wall of the connector 2 10 .

[0025] The radius of the circular hole 8 is larger than the radius of the connector 1 9 and the connector 2 10 .

[0026] In the present embodiment, the circular hole 8 is provided to facilitate the passage of the gear lubricating oil. The circular hole 8 is provided to facilitate the placement of the connector 1 9 and the connector 2 10. The connector 1 9 and the connector 2 10 can be combined together by means of socket connection. The radius of the circular hole 8 is larger than the radius of the connector 1 9 and the connector 2 10, which facilitates the annular permanent magnet 5 to adsorb iron filings in the gear lubricating oil flowing out through the connector 1 9 and the connector 2 10.

[0027] Working principle: An annular permanent magnet 5 is added to the ordinary filter element. The annular permanent magnet 5 can better filter and absorb iron powder and iron filings in the gear lubricating oil, prevent the iron filings from causing secondary damage to the gears inside the gear box, improve the quality of the gear lubricating oil, and extend the service life of the gear components.

[0028] The gear lubricating oil moves into the connector 1 9 and the connector 2 10 through the liquid inlet 2 and the filter paper cylinder 3. A leakage hole 11 is set on the connector 1 9 and the connector 2 10 to facilitate the contact between the gear lubricating oil and the annular permanent magnet 5 so that it can absorb the iron powder and iron filings in the gear lubricating oil.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel double-fed wind turbine gearbox lubricating oil filter element, comprising a filter paper cylinder (3), Features: The filter paper cylinder (3) is provided with an upper end cover (1) and a lower end cover (4) at the upper and lower ends respectively; a liquid inlet (2) is provided at the middle position of the top of the upper end cover (1); an annular permanent magnet (5) is provided at the bottom of the lower end cover (4); a base (6) is provided at the bottom of the annular permanent magnet (5); a liquid outlet (7) is provided at the bottom of the base (6); an outer wall of the annular permanent magnet (5) is magnetically attracted to an outer wall of the bottom of the lower end cover (4) and an outer wall of the top of the base (6); a connector 1 (9) is fixedly connected to the outer wall of the bottom of the lower end cover (4); a connector 2 (10) is fixedly connected to the outer wall of the top of the base (6); leak holes (11) are provided on the outer walls of the connector 1 (9) and the connector 2 (10); the connector 1 (9) and the connector 2 (10) are interspersed in the annular permanent magnet (5).

2. According to claim 1, a novel double-fed wind turbine generator gearbox lubricating oil filter element, Features: The filter paper cylinder (3) is formed by winding wave-shaped filter paper, and the filter paper cylinder (3) is cylindrical.

3. According to claim 1, a novel double-fed wind turbine generator gearbox lubricating oil filter element, Features: A circulation cavity is provided in the filter paper cylinder (3), the circulation cavity extends along the direction of the central axis of the filter paper cylinder (3), and the circulation cavity passes through both ends of the filter paper cylinder (3).

4. According to claim 1, a novel double-fed wind turbine generator gearbox lubricating oil filter element, Features: The space between the annular permanent magnet (5) and the base (6) is a hollow structure, and a circular hole (8) is provided at the center of the annular permanent magnet (5).

5. According to claim 1, a novel double-fed wind turbine generator gearbox lubricating oil filter element, Features: The connector 1 (9) and the connector 2 (10) are cylindrical, and the outer wall of the connector 1 (9) is sleeved with the inner wall of the connector 2 (10).

6. A novel double-fed wind turbine generator gearbox lubricating oil filter element according to claim 4, Features: The radius of the circular hole (8) is greater than the radius of the connector 1 (9) and the connector 2 (10).

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