CN111271588A

CN111271588A - Oil filter and bearing box

Info

Publication number: CN111271588A
Application number: CN202010239556.1A
Authority: CN
Inventors: 陈广福; 孙艳红; 刘满; 张辰韡; 张智敏; 张文标; 虞佳海; 路兴忠
Original assignee: Sec Ksb Nuclear Pumps & Valves Co ltd
Current assignee: Sec Ksb Nuclear Pumps & Valves Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-06-12

Abstract

The invention relates to the technical field of bearing boxes and discloses an oil filter and a bearing box. Wherein fluid filter includes: the shell comprises a flanging end cover and a shell body with a mounting cavity, wherein a circulation gap is formed between the flanging end cover and the shell body and is communicated with the outside and the mounting cavity; the number of the first partition plates is a plurality, and each first partition plate is provided with a plurality of first partition holes; the number of the second partition plates is a plurality of, the first partition plates and the second partition plates are sequentially arranged in the installation cavity at intervals, a plurality of second partition holes are formed in each second partition plate, and the second partition holes and the first partition holes are arranged in a staggered mode. The oil filter disclosed by the invention can throttle and condense oil mist to form liquid oil, and the flanging end cap is arranged on the shell body, so that solid particles in air are difficult to enter the installation cavity through the circulation gap, the probability of blockage of the oil filter is reduced, and the service life of the oil filter is prolonged.

Description

Oil filter and bearing box

Technical Field

The invention relates to the technical field of bearing boxes, in particular to an oil filter and a bearing box.

Background

In the case of a rotary machine, bearings are necessary, and the bearings are lubricated by lubricating oil, and the need for oil bath lubrication is selected according to the type of the bearings and the conditions of use, and in this case, a bearing box is inevitably used. The oil filter of current bearing box adopts the form of filter core basically, and this kind of oil filter often can be because the solid particle in the air drops to the filter core in and takes place the phenomenon that the filter core blockked up, however, to high-speed moving bearing, can produce more oil mist, in case blockked up the filter core not in time change will lead to the superpressure of bearing box, and then cause the leakage of lubricating oil, need frequently mend oil this moment, can damage the bearing even when serious.

Disclosure of Invention

Based on the above, an object of the present invention is to provide an oil filter, which solves the problems of the prior art that oil needs to be frequently supplemented due to oil leakage caused by the filter being blocked, and a bearing is easily damaged.

Another object of the present invention is to provide a bearing housing that reduces the probability of the oil filter becoming clogged and that extends the useful life of the bearing housing.

In order to achieve the purpose, the invention adopts the following technical scheme:

an oil filter comprising: the shell comprises a flanged end cover and a shell body, wherein the flanged end cover is covered on the shell body, the shell body is provided with an installation cavity, the flanged end cover and the shell body form a circulation gap, and the circulation gap is communicated with the outside and the installation cavity; the number of the first partition plates is a plurality, and each first partition plate is provided with a plurality of first partition holes; the number of the second separation plates is a plurality of, the first separation plates and the second separation plates are arranged in the installation cavity at intervals in sequence, a plurality of second separation holes are formed in each second separation plate, and the second separation holes and the first separation holes are arranged in a staggered mode.

As a preferable scheme of the oil filter, the number of the first partition plates and the second partition plates is the same or the number of the first partition plates and the second partition plates differs by one, and the first partition plates and the second partition plates are alternately arranged in the installation cavity at intervals in sequence.

As a preferable scheme of the oil filter, the oil filter further includes a third partition plate, the third partition plate is disposed at an end of the installation cavity and is distributed at a distance from the first partition plate and the second partition plate, the third partition plate is provided with a plurality of third partition holes, and oil mist passes through the third partition plate after passing through the first partition plate and the second partition plate.

As a preferred scheme of fluid filter, first division board with press from both sides between the second division board and be equipped with the bolster, first division board or second division board with press from both sides between the third division board and be equipped with the bolster, the bolster is followed the inner wall circumference of casing distributes.

As a preferable mode of the oil filter, the third partition hole is staggered with the first partition hole or the second partition hole adjacent thereto.

As a preferable scheme of the oil filter, the third partition plate has a thickness greater than thicknesses of the first partition plate and the second partition plate, the third partition plate is fixedly connected to the shell body, and the flanged end cover is fixedly connected to the third partition plate.

As a preferred scheme of an oil filter, the first partition plate includes a first circular plate and a first annular plate, the first circular plate and the first annular plate are integrally formed into the first partition plate, and the plurality of first partition holes are arranged along the circumferential direction of the first annular plate.

As a preferred scheme of oil filter, oil filter still includes the connecting pipe, connecting pipe fixed connection be in on the casing, be equipped with the intercommunicating pore in the connecting pipe, the intercommunicating pore runs through the connecting pipe setting, the intercommunicating pore with the installation cavity intercommunication, the diameter of intercommunicating pore is not more than the diameter of first plectane.

As a preferable scheme of the oil filter, a sealing element is clamped between the connecting pipe and the housing, and the sealing element is used for realizing the sealing connection between the housing and the connecting pipe.

As a preferable scheme of the oil filter, the second partition holes are uniformly arranged on the second partition plate.

The bearing box comprises a bearing box body and the oil filter in any scheme, wherein the oil filter is communicated with the bearing box body.

The invention has the beneficial effects that: according to the oil filter disclosed by the invention, the oil mist can be throttled and condensed to form liquid oil through the additionally arranged first partition plates and the second partition plates, so that the liquid oil is recovered, the second partition holes and the first partition holes are arranged in a staggered manner to fully condense the oil mist, and the turned-over end cover is arranged on the shell body, so that solid particles in the air are not easy to enter the installation cavity through the flowing gaps, the probability of blockage of the oil filter is reduced, and the service life of the oil filter is prolonged.

The bearing box disclosed by the invention can effectively prevent particles in the air from falling into the mounting cavity, and reduces the probability of blockage of the oil filter, thereby prolonging the service life of the bearing box.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a cross-sectional view of an oil filter according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a cross-sectional view of a first separator plate according to an embodiment of the present invention;

fig. 4 is a sectional view of a second separator plate according to an embodiment of the present invention.

In the figure:

1. a housing; 10. a flow-through gap; 11. flanging the end cover; 110. connecting holes; 12. a housing body; 120. a mounting cavity;

21. a first partition plate; 210. a first separation hole; 211. a first circular plate; 212. a first ring plate; 22. a second partition plate; 220. a second partition hole; 23. a third partition plate; 231. a connecting projection; 2310. connecting the blind holes; 24. a buffer member;

31. a connecting pipe; 310. a communicating hole; 32. and a seal.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the oil filter includes a housing 1, a first partition plate 21 and a second partition plate 22, where the first partition plate 21 and the second partition plate 22 are respectively installed in the housing 1 and are used for cooling oil mist to condense the oil mist into liquid oil, and further recovering the liquid oil. Specifically, the housing 1 of this embodiment includes the turned-over end cover 11 and the housing body 12, the turned-over end cover 11 covers the housing body 12, the housing body 12 is provided with the installation cavity 120, the turned-over end cover 11 and the housing body 12 form the circulation gap 10, and the circulation gap 10 communicates with the outside and the installation cavity 120. The number of the first partition plates 21 is seven, the number of the second partition plates 22 is six, and the seven first partition plates 21 and the six second partition plates 22 are alternately arranged in the installation cavity 120 at intervals in sequence.

As shown in fig. 2 to 4, each first partition plate 21 of the present embodiment is provided with a plurality of first partition holes 210, each second partition plate 22 is provided with a plurality of second partition holes 220, the plurality of second partition holes 220 are uniformly distributed on the second partition plate 22, the plurality of second partition holes 220 on each second partition plate 22 are respectively staggered with the plurality of first partition holes 210 on the first partition plate 21, and the staggered arrangement of the second partition holes 220 and the first partition holes 210 facilitates that the oil mist can be fully mixed after being condensed by the first partition holes 210 and then enters the second partition holes 220, so that the oil mist is fully throttled, that is, the arrangement enables more oil mist to be fully condensed to form liquid oil. According to the experiment, as for a general bearing box, the oil filter of the embodiment can fully condense oil mist containing oil droplets, so that gas discharged from the installation cavity 120 and entering the outside does not contain the oil droplets, the environment is not polluted, and the oil filter of the embodiment can fully recycle the oil mist.

Of course, in other embodiments of the present invention, if the flow rate of the oil mist is large, the number of the first separating plates 21 and the second separating plates 22 may be more, and if the number of the oil mist is small, the number of the first separating plates 21 and the second separating plates 22 may be less, and the present invention is not limited to this limitation of the embodiment, and in order to ensure the condensation effect of the first separating plates 21 and the second separating plates 22, the first separating plates 21 and the second separating plates 22 are required to be alternately distributed in sequence and spaced apart, that is, the number of the first separating plates 21 is the same as that of the second separating plates 22, or the number of the first separating plates 21 is different from that of the second separating plates 22 by one. In other embodiments, every two first partition plates 21 and every one second partition plate 22 may be alternately distributed at intervals in sequence, or every two second partition plates 22 and every one first partition plate 21 are alternately distributed at intervals in sequence, or in other distribution manners, which is specifically set according to actual needs. The distribution manner of the plurality of second isolation holes 220 is not limited to the uniform distribution of the embodiment, and other distribution manners may be used as long as the first isolation holes 210 and the second isolation holes 220 can be arranged in a staggered manner.

As shown in fig. 1, in order to ensure that the oil mist can flow through the first separation holes 210 and the second separation holes 220, the buffer member 24 is disposed between the first separation plate 21 and the housing 1, the buffer member 24 of the present embodiment is a gasket, the buffer member 24 is interposed between each first separation plate 21 and the adjacent second separation plate 22, and the buffer member 24 is circumferentially distributed along the inner wall of the housing 1, so that the oil mist can flow through the mounting cavity 120 and communicate with the outside, thereby preventing the oil mist from flowing through the mounting cavity 120 due to the adhesion of the first separation plate 21 and the second separation plate 22 to form gas and flow to the outside, and further preventing the occurrence of a dangerous phenomenon due to an excessively high pressure inside the oil filter. Of course, in other embodiments of the present invention, if the second partition plate 22 is located at one end of the mounting cavity 120, the buffer member 24 is disposed between the second partition plate 22 and the housing 1.

The fluid filter that this embodiment provided makes the oil mist can be throttled through a plurality of first division boards 21 and a plurality of second division board 22 that add, the condensation forms liquid fluid, thereby retrieve liquid fluid, second separation hole 220 can make the oil mist by abundant condensation with the crisscross setting of first separation hole 210, locate on the shell body 12 through covering 11 with turn-ups end cover, make solid particle in the air be difficult to inside the circulation clearance 10 gets into installation cavity 120, the probability that the fluid filter is blockked up has been reduced, the life of fluid filter has been prolonged.

Further, as shown in fig. 1, the oil filter of the present embodiment further includes a third partition plate 23, the first partition plate 21 is disposed adjacent to the third partition plate 23, the thickness of the third partition plate 23 is greater than the thicknesses of the first partition plate 21 and the second partition plate 22, the third partition plate 23 is fixedly connected to the shell body 12, and the end cover 11 is fixedly connected to the third partition plate 23. A buffer member 24 is interposed between the first partition plate 21 and the third partition plate 23, the buffer member 24 of the present embodiment is a spacer, and the buffer members 24 are distributed along the circumferential direction of the inner wall of the housing 1. The third separating plate 23 is disposed at an end of the mounting cavity 120 and spaced apart from the first separating plate 21 and the second separating plate 22, a plurality of third separating holes (not shown) are disposed on the third separating plate 23, the third separating holes and the first separating holes 210 adjacent thereto are alternately disposed, and the oil mist passes through the third separating plate 23 after passing through the first separating plate 21 and the second separating plate 22.

In order to effectively reduce the temperature of the oil mist after the oil mist passes through the first separating hole 210, the second separating hole 220 and the third separating hole, so as to liquefy the oil mist, the diameters of the first separating hole 210, the second separating hole 220 and the third separating hole should be relatively small, and specifically, the diameters of the first separating hole 210, the second separating hole 220 and the third separating hole in this embodiment are all 1 mm. Of course, in other embodiments, the diameters of the first separating hole 210, the second separating hole 220 and the third separating hole are generally set to any value between 0.8mm and 1.2mm in order to ensure the throttling effect of the oil mist. Specifically, the diameters of the first separating holes 210, the second separating holes 220, and the third separating holes may be the same or different, the diameters of the first separating holes 210 on the same first separating plate 21 may be the same or different, the diameters of the second separating holes 220 on the same second separating plate 22 may be the same or different, and the diameters of the third separating holes on the same third separating plate 23 may be the same or different, and are specifically set according to actual requirements. The diameters of the first, second, and third partition holes 210, 220, and third partition holes of the present invention are not limited to the above-mentioned limited ranges, and may be other values, specifically, set according to actual needs.

Specifically, the third dividing plate 23 of the present embodiment is fixedly connected to the housing body 12 along the circumferential direction by a plurality of pins, and the central axis direction of the pins is perpendicular to the central axis direction of the housing 1. As shown in fig. 1, a connecting protrusion 231 is arranged on the third partition plate 23, a connecting blind hole 2310 is arranged at the connecting protrusion 231 of the third partition plate 23, a connecting hole 110 is arranged on the flanged end cover 11, the connecting hole 110 penetrates through the flanged end cover 11, a locking end of a bolt penetrates through the connecting hole 110 to reach the inside of the connecting blind hole 2310 so that the flanged end cover 11 is fixed on the third partition plate, the connecting protrusion 231 is tightly attached to the inner wall of the flanged end cover 11 at the moment, a gap is arranged between the third partition plate 23 and the flanged end cover 11, the gap is communicated with a communicating gap, and gas can flow to the outside through the gap and a.

Further, as shown in fig. 1, the oil filter of the present embodiment further includes a connection pipe 31, the connection pipe 31 is fixedly connected to the housing 1, a communication hole 310 is formed in the connection pipe 31, the communication hole 310 is disposed through the connection pipe 31, and the communication hole 310 is communicated with the installation cavity 120. Specifically, an internal thread is provided on the connection pipe 31, an external thread corresponding to the internal thread is provided on the housing 1, and the connection pipe 31 is screwed to the housing 1.

As shown in fig. 3, the first partition plate 21 of the present embodiment includes a first circular plate 211 and a first annular plate 212, the first circular plate 211 and the first annular plate 212 are integrally formed as the first partition plate 21, a plurality of first partition holes 210 are provided along the circumferential direction of the first annular plate 212, and the diameter of the first circular plate 211 is smaller than that of the communication hole 310 so that the oil mist introduced through the communication hole 310 can be sufficiently filled in the installation chamber 120. The connection pipe 31 is hermetically connected to the housing 1 in order to prevent oil mist in the communication hole 310 or the mounting chamber 120 from leaking through a gap between the connection pipe 31 and the housing 1 and contaminating the external environment. Specifically, a sealing member 32 is interposed between the connecting pipe 31 and the housing 1, the sealing member 32 is used for realizing the sealing connection between the housing 1 and the connecting pipe 31, and the sealing member 32 of the present embodiment is a rubber ring.

The embodiment also provides a bearing box, including bearing box body and above-mentioned fluid filter, fluid filter and bearing box body intercommunication.

The bearing box that this embodiment provided can prevent effectively that the granule in the air from dropping to the installation cavity 120 in, has reduced the probability that fluid filter is blockked up to the life of bearing box has been prolonged.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An oil filter, comprising:

the shell body (1), the shell body (1) comprises a flanging end cover (11) and a shell body (12), the flanging end cover (11) is covered on the shell body (12), an installation cavity (120) is arranged on the shell body (12), the flanging end cover (11) and the shell body (12) form a circulation gap (10), and the circulation gap (10) is communicated with the outside and the installation cavity (120);

the number of the first partition plates (21) is a plurality, and each first partition plate (21) is provided with a plurality of first partition holes (210);

second division board (22), the number of second division board (22) is a plurality of, a plurality of first division board (21) and a plurality of second division board (22) interval arrange in proper order in installation cavity (120), every be equipped with a plurality of second partition hole (220) on second division board (22), second partition hole (220) with first partition hole (210) set up in a staggered way.

2. The oil filter according to claim 1, wherein the number of the first partition plates (21) and the second partition plates (22) is the same or the number of the first partition plates (21) and the second partition plates (22) is different by one, and the first partition plates (21) and the second partition plates (22) are alternately arranged in the installation cavity (120) at intervals in sequence.

3. The oil filter according to claim 1, further comprising a third partition plate (23), wherein the third partition plate (23) is disposed at an end of the installation cavity (120) and spaced apart from the first partition plate (21) and the second partition plate (22), and a plurality of third partition holes are formed in the third partition plate (23), so that the oil mist passes through the third partition plate (23) after passing through the first partition plate (21) and the second partition plate (22).

4. The oil filter according to claim 3, wherein a buffer member (24) is interposed between the first partition plate (21) and the second partition plate (22), the buffer member (24) is interposed between the first partition plate (21) or the second partition plate (22) and the third partition plate (23), and the buffer members (24) are circumferentially distributed along an inner wall of the housing (1).

5. The oil filter according to claim 4, wherein the third partition hole is staggered with respect to the first partition hole (210) or the second partition hole (220) adjacent thereto.

6. The oil filter according to claim 3, characterized in that the thickness of the third partition plate (23) is greater than the thickness of the first partition plate (21) and the second partition plate (22), the third partition plate (23) is fixedly connected to the shell body (12), and the flanged end cover (11) is fixedly connected to the third partition plate (23).

7. The oil filter according to claim 1, wherein the first partition plate (21) comprises a first circular plate (211) and a first annular plate (212), the first circular plate (211) and the first annular plate (212) are integrally formed as the first partition plate (21), and a plurality of the first partition holes (210) are circumferentially arranged along the first annular plate (212).

8. The oil filter according to claim 7, further comprising a connecting pipe (31), wherein the connecting pipe (31) is fixedly connected to the housing (1), a communication hole (310) is formed in the connecting pipe (31), the communication hole (310) is arranged to penetrate through the connecting pipe (31), the communication hole (310) is communicated with the installation cavity (120), and the diameter of the communication hole (310) is not larger than that of the first circular plate (211).

9. The oil filter according to claim 8, characterized in that a sealing element (32) is interposed between the connecting pipe (31) and the housing (1), and the sealing element (32) is used for realizing the sealing connection between the housing (1) and the connecting pipe (31).

10. A bearing housing comprising a bearing housing body and an oil filter as claimed in any one of claims 1 to 9 in communication with the bearing housing body.