CN112780758A - Lubricating oil metal particle filter equipment in reduction gear - Google Patents
Lubricating oil metal particle filter equipment in reduction gear Download PDFInfo
- Publication number
- CN112780758A CN112780758A CN202110305586.2A CN202110305586A CN112780758A CN 112780758 A CN112780758 A CN 112780758A CN 202110305586 A CN202110305586 A CN 202110305586A CN 112780758 A CN112780758 A CN 112780758A
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- Prior art keywords
- lubricating oil
- speed reducer
- permanent magnet
- oil
- metal particles
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 79
- 239000002923 metal particle Substances 0.000 title claims abstract description 39
- 230000009467 reduction Effects 0.000 title description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 60
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 239000003921 oil Substances 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000013528 metallic particle Substances 0.000 claims 6
- 238000000034 method Methods 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000005461 lubrication Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 25
- 239000012535 impurity Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a metal particle filter device for lubricating oil in a speed reducer, wherein the metal particle filter device for the lubricating oil in the speed reducer comprises: a collection box and a cleaning mechanism; an adsorber for adsorbing metal particles is arranged in the collection box; both sides of the collecting box are provided with oil passing holes for passing lubricating oil; the cleaning mechanism is used for cleaning metal particles in the collecting box. The problems that the traditional lubricating oil filtering mode needs the lubricating oil to be filtered in a high-speed flowing state, the lubricating oil in the speed reducer applied to the oil pumping unit in the oil field and the mine industry belongs to splash type and drop type lubrication, the existing mode cannot be used for filtering, and metal particles mixed in the lubricating oil have static charges in the friction process, are not easy to precipitate and can aggravate the abrasion of internal parts of the speed reducer are solved; and metal particles can be accumulated and adhered to the bent and rough parts of the oil return channel, so that the oil return channel of the speed reducer is blocked.
Description
Technical Field
The invention relates to the field of lubricating oil filtration, in particular to a lubricating oil metal particle filtering device in a speed reducer.
Background
The filtration method of various lubricating oils in the prior art is a forced lubrication filtration technology, which requires a method of filtering lubricating oil under pressure in a high-temperature and high-speed operation environment, mainly filtering organic fine substances, inorganic oxide fine substances, and the like. All filtration modes need to use a pump to maintain a certain pressure of lubricating oil and ensure the passing degree of the lubricating oil through filter cloth, particularly in the high-temperature and high-speed running environment of an automobile engine, the filtration of the lubricating oil mainly filters organic matter fine substances, inorganic oxide fine substances and smoke dust, and the filtration of metal particles is assisted.
The internal lubrication of speed reducer in oil field pumping unit, mine and other industries is splash type and drop type, and the lubricating oil is fed to the part of gear to be lubricated by means of gear hanging and belt, and drops and flows down by means of oil self-weight to lubricate bearing gear. Because the lubricating system has simple structure and convenient use, almost all the speed reducers adopt two lubricating modes of splash type and drip type. The method of filtering lubricating oil in the reducer of the pumping unit only depends on self-precipitation during shutdown, so that the filtering device or the filtering system in the mode can not be applied.
Because the lubricated position simple structure of reduction gear, lubricating system is also simple, all does not have the filtration system or the device of lubricating oil inside and outside the reduction gear, and partial metal particle can exist and friction pair between the wearing and tearing of aggravating between the friction pair, because lubricating oil does not have filtration system, mix in the lubricating oil and have a large amount of impurity to exist and also aggravate the wearing and tearing between the friction pair. More serious, because of the splash type and the drip type lubricating modes, the cleaning and scouring degree of the lubricating oil to the oil return channel is very small, especially the metal particles which are rubbed off are still provided with static charges in the friction process, the metal particles are not easy to fall back to the bottom of the speed reducer for precipitation, the metal particles which are rubbed off can be absorbed, adhered and accumulated at the rough part of the oil return channel, the bent part of the oil return channel and the gap after the bearing is installed, and the speed reducer has the phenomenon of blocking the oil return channel after being used for three months. At almost all of the seals of the retarder, leakage points can be visually detected where the lubricant adheres to the outer wall, along with metal particles. Therefore, metal particles of lubricating oil in the speed reducer do not undergo filtration in the operation process, so that not only is the abrasion between friction pairs aggravated, but also the sealing is damaged and loses efficacy.
Disclosure of Invention
In view of the above, the invention provides a device for filtering metal particles in lubricating oil in a speed reducer, which aims to solve the problems that the traditional lubricating oil filtering mode needs the lubricating oil to be filtered in a high-speed flowing state, the lubricating oil in the speed reducer applied in the oil field pumping unit and the mine industry belongs to splash type and drop type lubrication and cannot be filtered in the existing mode, and the metal particles mixed in the lubricating oil have static charges in the friction process, are not easy to precipitate and can aggravate the abrasion of internal parts of the speed reducer; and metal particles can be accumulated and adhered to the bent and rough parts of the oil return channel, so that the oil return channel of the speed reducer is blocked.
The invention provides a metal particle filter device for lubricating oil in a speed reducer, which comprises: the method comprises the following steps: a collection box and a cleaning mechanism;
an adsorber for adsorbing metal particles is arranged in the collection box;
both sides of the collecting box are provided with oil passing holes for passing lubricating oil;
the cleaning mechanism is used for cleaning metal particles in the collecting box.
Preferably, the adsorber is: a first permanent magnet;
at least one first permanent magnet is installed at the bottom in the collection box and used for adsorbing metal particles.
Preferably, when the number of the first permanent magnets is two or more, the magnetic pole direction of each first permanent magnet is the same.
Preferably, the cleaning mechanism comprises: an isolation cloth;
the isolation cloth covers the absorber and is used for isolating the metal particles from the absorber.
Preferably, the cleaning mechanism comprises: and a magnetic attraction plate.
Preferably, the method further comprises the following steps: disassembling the device;
the dismounting device is arranged on two sides of the collecting box and used for offsetting the ferromagnetism of the first permanent magnet.
Preferably, the detaching device comprises: the shell, the rotating shaft and the second permanent magnet;
the side surface of the shell is connected with the collecting box, and two ends of the rotating shaft are respectively connected with the inner side wall of the shell;
the second permanent magnet is installed in the pivot, the pivot is used for driving the second permanent magnet rotates.
The invention has the following beneficial effects:
the invention provides a metal particle filtering device for lubricating oil in a speed reducer, which is characterized in that the filtering device is arranged in the speed reducer to filter impurities and metal particles in the lubricating oil, so that the problems that the lubricating oil in the speed reducer applied in the oil pumping unit of the oil field and the mine industry in the prior art belongs to splash type and drip type lubrication, the filtering cannot be carried out by using the existing mode, the metal particles mixed in the lubricating oil have static charges in the friction process, the metal particles are not easy to precipitate, and the abrasion of the internal parts of the speed reducer can be aggravated are solved; and metal particles can be accumulated and adhered to the bent and rough parts of the oil return channel, so that the oil return channel of the speed reducer is blocked.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a metal particle filtering device for lubricating oil in a speed reducer according to an embodiment of the invention.
In the figure, 1-handle, 2-collecting box, 3-oil passing hole, 4-first permanent magnet, 5-isolating cloth.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth. However, the present invention may be fully understood by those skilled in the art for those parts not described in detail.
Furthermore, those skilled in the art will appreciate that the drawings are provided solely for the purposes of illustrating the invention, features and advantages thereof, and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
FIG. 1 is a schematic structural diagram of a metal particle filtering device for lubricating oil in a speed reducer according to an embodiment of the invention. As shown in fig. 1, a metal particulate filtering device for lubricating oil in a speed reducer comprises: a collection box 2 and a cleaning mechanism; an adsorber for adsorbing metal particles is arranged in the collection box 2; both sides of the collecting box 2 are provided with oil passing holes 3 for passing lubricating oil; the cleaning mechanism is used for cleaning the metal particles inside the collecting box 2.
Through sampling, testing and analyzing the lubricating oil in the reducer used in the oil field for a long time, the metal particle components causing pollution in the lubricating oil mainly come from the worn iron powder fines at the internal operation part.
In the embodiment of the invention, the oil passing holes 3 are through holes at two sides of the collecting box 2. During installation, the collecting box 2 is arranged at the bottom of the inner gear of the speed reducer, and the size is preferably that the bottom of the speed reducer is fully paved. When filtering, the lubricating oil that top gear rotated drops to the interior bottom of reduction gear, and inside the 3 oilholes that cross that pass through collection box 2 one side got into collection box 2, inside collection box 2, the granule impurity in the lubricating oil drops to the interior bottom of collection box 2 through the sediment, and iron powder wherein is when the adsorber of collecting box 2 bottoms, is adsorbed by the adsorber and filters, and the lubricating oil after the filtration flows into the oil return way from the 3 oilholes that pass through of collection box 2 opposite side. Because the iron powder mixed in the lubricating oil is mainly nano-scale iron powder, the diameter is between 10 nanometers and 10 micrometers, and the iron powder cannot be filtered through precipitation, the iron powder needs to be adsorbed and filtered through an adsorber.
In the present invention and fig. 1, the adsorbers are: a first permanent magnet 4; at least one first permanent magnet 4 is installed at the bottom in the collecting box 2, and the first permanent magnet 4 is used for adsorbing the powdered iron.
In the embodiment of the invention, when the magnetic iron speed reducer is installed, the N pole or the S pole of the first permanent magnet 4 at the bottom of the collecting box 2 faces upwards, the upwards face of the first permanent magnet is used for adsorbing iron powder, and the downwards face of the first permanent magnet is used for adsorbing the bottom of the speed reducer. The decelerator is usually made of metal, and the collecting box 2 is fixed to the bottom of the decelerator by the attraction force of the first permanent magnet 4. After lubricating oil gets into collection box 2 inside through the oil hole 3 that crosses of collection box 2 one side, iron powder wherein is adsorbed by the first permanent magnet 4 of collection box 2 bottom and is filtered to reach lubricating oil purifying effect.
In the present invention and fig. 1, when the number of the first permanent magnets 4 is two or more, the magnetic pole direction of each first permanent magnet 4 is the same.
In the embodiment of the present invention, four first permanent magnets 4 are installed at the bottom of the collecting box 2, and all of the N-stage or all of the S-stage of the four first permanent magnets 4 face upward. The same poles face in the same direction mainly to prevent: 1. the magnetism of the first permanent magnets 4 is mutually offset, so that the adsorption force during filtration is reduced; 2. if the magnetic poles face different directions, the adsorption force of the first permanent magnets 4 adsorbed on the inner bottom of the speed reducer is reduced; 3. the reduction gear internal gear is magnetized by the first permanent magnet 4 to adsorb iron powder.
In the present invention and fig. 1, the cleaning mechanism includes: a spacer fabric 5; the isolation cloth 5 covers the adsorber, and the isolation cloth 5 is used for isolating the metal particles from the adsorber.
In the embodiment of the invention, the material of the isolation cloth 5 can be 300-900 mesh nylon cloth, and the nylon cloth is not dissolved by lubricating oil. The inside first permanent magnet 4 top of collection box 2 is covered to median 5, and after lubricating oil got into collection box 2 inside, the iron powder fell on median 5 after being adsorbed by first permanent magnet 4, when clearing up, will collect box 2 and take out from the reduction gear is inside, opens collection box 2, takes out median 5 and changes or washs.
In the present invention and fig. 1, the cleaning mechanism includes: and a magnetic attraction plate.
In the embodiment of the invention, the magnetic attraction plate is a plate-shaped rectangular magnet, when the iron powder adsorbed in the collection box 2 is cleaned, the collection box 2 is taken out and opened, the magnetic attraction plate is placed in the collection box 2, and if the N pole of the first permanent magnet 4 at the bottom of the collection box 2 faces upwards, the N pole of the magnetic attraction plate faces downwards; if the south pole of the first permanent magnet 4 faces upward, the south pole of the magnetic attraction plate faces downward. The magnetic attraction plate and the first permanent magnet 4 repel each other in the same stage, so that the iron powder adsorbed on the first permanent magnet 4 loses the adsorption force and is easily cleaned.
In the present invention and fig. 1, the method further includes: disassembling the device; the dismounting devices are arranged on two sides of the collecting box 2 and are used for offsetting the magnetism of the first permanent magnet 4.
In the present invention and fig. 1, the detaching device includes: the shell, the rotating shaft and the second permanent magnet; the side surface of the shell is connected with the collecting box 2, and two ends of the rotating shaft are respectively connected with the inner side wall of the shell; the second permanent magnet is installed on the pivot, and the pivot is used for driving the second permanent magnet and rotates.
In the embodiment of the invention, one end of the rotating shaft is connected with the handle 1, the handle 1 is positioned outside the shell, when the collecting box 2 is installed, the collecting box 2 is placed in the speed reducer, and the first permanent magnet 4 is adsorbed at the inner bottom of the speed reducer. When taking out, because the adsorption affinity is strong, collect box 2 and will be difficult to take out, then install dismounting device respectively in 2 both sides of collection box, when box 2 is collected in the installation, the inside second permanent magnetism utmost point direction of casing is the same with first permanent magnet 4, when taking out and collecting box 2, clockwise or anticlockwise rotation handle 1, handle 1 drives the pivot and rotates, the pivot drives the second permanent magnet and rotates 90, make the second permanent magnet have one side of magnetic pole towards first permanent magnet 4 directions, offset first permanent magnet 4 magnetism, make its adsorption of bottom reduce in the reduction gear, thereby can take out collection box 2 smoothly.
In the embodiment of the invention, when the collecting box 2 is installed, the collecting box 2 is placed at the bottom in the speed reducer, is immersed in lubricating oil at the bottom of the speed reducer, and is magnetically adsorbed at the bottom of the speed reducer through the first permanent magnet 4 so as to fix the collecting box 2. Lubricating oil fluid drips the reduction gear bottom from the top gear, and the 3 oilholes that cross of collecting box 2 one side get into inside collecting box 2, and iron powder wherein is adsorbed by first permanent magnet 4 and sinks, falls on the barrier cloth 5 of first permanent magnet 4 top, and other impurity also fall on barrier cloth 5 after deposiing in the lubricating oil. The lubricating oil after being adsorbed by the iron powder and filtered by precipitation flows out of the oil passing hole 3 at the other side of the collecting box 2 and enters the oil return flow passage. When clearing up, rotate 90 through rotating handle 1 with the second permanent magnet, the second permanent magnet offsets the back to 4 magnetic poles of first permanent magnet, will collect box 2 and take out. The collection box 2 is opened, and the inner spacer 5 is taken out and replaced.
In the embodiment of the present invention, when cleaning the collecting box 2, it is also possible to use magnetic attraction plate cleaning. The magnetic attraction plate is opposite to the upward side with the same magnetic pole of the first permanent magnet 4, so that the iron powder adsorbed on the first permanent magnet 4 loses the adsorbed force and then is cleared up by dumping or erasing.
The lubricating oil iron powder filtering device in the speed reducer can protect lubricating oil in the speed reducer, reduce the pollution degree of the lubricating oil, purify impurities of the lubricating oil, maintain the quality of the lubricating oil, improve the oil change period, protect gears, bearings and seals from more serious abrasion, and prolong the service life of the speed reducer. Store impurity through setting up isolation cloth 5, isolated impurity and 4 direct contact of first permanent magnet, convenient clearance.
Compared with the built-in filtering device of the invention, if the filtering and purifying device is connected outside the speed reducer, the following defects are provided: 1. the connecting pipeline of the external device is easy to block, and particularly, iron filings are easy to block in the pipeline and the filter, so that the filtering failure is caused. 2. An external heating device is also needed in winter, otherwise, lubricating oil in a filter pipeline is easy to condense and block. 3. The external filter device needs to be provided with a pump device for conveying lubricating oil. 4. The iron powder absorbed and filtered is not easy to clean, and the cost for replacing the filter element is high. 5. Although the speed reducer for the oil field is provided with the breather valve, the speed reducer for the oil field also belongs to a closed structure, and the upper cover body part is sealed, so that dust and rainwater can not enter the speed reducer, and a device for filtering water is not needed. 6. The rotating speed in the speed reducer is low, a high-temperature working state does not exist during use, lubricating oil cannot deteriorate to generate other substances under the condition, and even if the lubricating oil is in contact with oxygen in air for a long time, oxides can be generated, but the lubricating oil rarely has the chance of oxidation as long as the oxygen entering the box body is isolated or removed. It is not necessary to filter out other fine particulate matters by the filter. 7. The speed reducer for the oil field works in the field, and the external connection filter part easily causes the loss of lubricating oil, thereby bringing unnecessary loss and potential safety hazard.
The maintenance mode and the method of the lubricating oil iron powder filtering device in the speed reducer are simple, if the interior of a newly cleaned speed reducer is newly replaced with lubricating oil, after the filtering device is installed for half a year, an upper window cover of the speed reducer is opened, the device is taken out, the isolating cloth 5 is taken out, the device is checked, cleaned and cleaned, clean iron filings are removed by utilizing a homopolar repelling magnetic attraction plate, the clean isolating cloth 5 is put on the first permanent magnet 4, the device is placed at the lower bottom in the speed reducer again, and the device is fixed. The speed reducer which is newly cleaned and replaced by the lubricating oil is taken out for cleaning, checking and maintaining once every half year.
The invention does not use a power source, only utilizes the self-flow of the lubricating oil in the speed reducer to adsorb, purify and filter the lubricating oil, saves energy and cost, and simultaneously only needs to clean the speed reducer during regular maintenance, thereby reducing the frequency of replacing the lubricating oil and the using amount of the lubricating oil, reducing labor force and lowering the operation and maintenance cost. The invention utilizes the space at the lower part of the speed reducer to magnetically adsorb the iron filings and purify the lubricating oil, and has the advantages of good filtering and purifying effect, high efficiency, low difficulty in cleaning and maintenance, good effect of adsorbing and fixing the iron filings, simple structure, low cost and the like.
The above examples are merely illustrative of the present invention, and are described in more detail, but not intended to limit the scope of the invention. It should be noted that, for those skilled in the art, various changes, substitutions of equivalents, improvements and the like can be made without departing from the spirit of the invention, and these are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A metallic particulate filter device for lubricating oil in a speed reducer, comprising: a collecting box (2) and a cleaning mechanism;
an adsorber for adsorbing metal particles is arranged in the collection box (2);
both sides of the collecting box (2) are provided with oil passing holes (3) for passing lubricating oil;
the cleaning mechanism is used for cleaning metal particles in the collecting box (2).
2. The apparatus for filtering metallic particles of lubricating oil in a speed reducer of claim 1, wherein: the absorber is as follows: a first permanent magnet (4);
at least one first permanent magnet (4) is installed at the bottom in the collection box (2), and the first permanent magnet (4) is used for adsorbing metal particles.
3. The apparatus for filtering metallic particles of lubricating oil in a speed reducer of claim 2, wherein:
when the number of the first permanent magnets (4) is two or more, the magnetic pole directions of the first permanent magnets (4) are the same.
4. The apparatus for filtering metallic particles from lubricating oil in a speed reducer according to any one of claims 1 to 3, wherein the cleaning mechanism comprises: a spacer fabric (5);
the isolation cloth (5) covers the absorber, and the isolation cloth (5) is used for isolating the metal particles from the absorber.
5. The apparatus for filtering metallic particles from lubricating oil in a speed reducer according to any one of claims 1 to 3, wherein the cleaning mechanism comprises: and a magnetic attraction plate.
6. The apparatus for filtering metallic particles from lubricating oil in a speed reducer of claim 2, further comprising: disassembling the device;
the dismounting devices are arranged on two sides of the collecting box (2) and are used for offsetting the magnetism of the first permanent magnet (4).
7. The apparatus for filtering metallic particles from lubricating oil in a speed reducer of claim 6, wherein said removing means comprises: the shell, the rotating shaft and the second permanent magnet;
the side surface of the shell is connected with the collecting box (2), and two ends of the rotating shaft are respectively connected with the inner side wall of the shell;
the second permanent magnet is installed in the pivot, the pivot is used for driving the second permanent magnet rotates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305586.2A CN112780758B (en) | 2021-03-19 | 2021-03-19 | Lubricating oil metal particle filter equipment in reduction gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305586.2A CN112780758B (en) | 2021-03-19 | 2021-03-19 | Lubricating oil metal particle filter equipment in reduction gear |
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| CN112780758A true CN112780758A (en) | 2021-05-11 |
| CN112780758B CN112780758B (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388315A (en) * | 2022-09-02 | 2022-11-25 | 中国航发贵阳发动机设计研究所 | Oil receiving pool structure for aircraft engine |
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