CN110000002B - Hydraulic oil filter for crane - Google Patents
Hydraulic oil filter for crane Download PDFInfo
- Publication number
- CN110000002B CN110000002B CN201910399074.XA CN201910399074A CN110000002B CN 110000002 B CN110000002 B CN 110000002B CN 201910399074 A CN201910399074 A CN 201910399074A CN 110000002 B CN110000002 B CN 110000002B
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- Prior art keywords
- filter
- hydraulic oil
- filter cylinder
- filter core
- upper side
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
Abstract
The invention discloses a hydraulic oil filter for a crane, which comprises a cylindrical filter cylinder, wherein a liquid inlet pipe is tangentially communicated with the filter cylinder, a filter core is axially arranged on the filter cylinder, the upper side and the lower side of the filter core are in rotary fit with the upper side and the lower side of the inside of the filter cylinder, a spiral blade is arranged on the inner wall of the filter cylinder, bristles which are opposite to the outer side wall of the filter core are arranged on the inner side of the spiral blade, and a scrap iron adsorption device is arranged at the bottom of the filter cylinder. The filter core can follow self axial rotation under the effect of swivelling joint spare, and its rotatory power is just derived from the hydraulic oil that is stable direction flow, cooperates helical blade's brush hair, will block up in the great particulate matter on filter core surface and get rid of, generally iron fillings and dust, and the iron fillings that the clearance was got off are carried to the filter cylinder bottom along helical blade's orbit, are adsorbed by iron fillings adsorption equipment, have improved filter core lateral wall absorptive efficiency greatly.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a hydraulic oil filter for a crane.
Background
The quality of hydraulic oil has great influence on the working performance of a hydraulic system, the root cause of many faults is from the hydraulic oil, the hydraulic oil filter is arranged at a proper place for preventing the pollution of the oil, the pollutants in the oil can be trapped, the oil can be kept clean, and the normal working of the oil system is ensured.
The hydraulic oil has the following functions: energy transfer, lubrication, corrosion prevention, rust prevention and cooling. Moisture, gases, volatile materials and impurities are inevitably mixed into the hydraulic oil for various reasons, accelerate some oxidation, and promote the formation of foam and oil scale. The sources of impurities are mainly: mechanical impurities such as water rust, casting sand, welding slag, scrap iron, paint skin, cotton yarn scraps and the like which remain in the hydraulic system after cleaning, and impurities such as dust entering through oil filling ports, dust rings and the like which enter the hydraulic system from the outside.
The invention mainly solves the problems of reduced filter efficiency and advanced scrapping of the filter core caused by excessive accumulated scrap iron on the surface of the filter core of the hydraulic oil filter for a crane.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a hydraulic oil filter for a crane, which mainly solves the problems that the filter efficiency of a filter element is reduced and the filter element is scrapped in advance due to excessive accumulated scrap iron on the surface of the filter element of the hydraulic oil filter for the crane.
The invention solves the technical problems by the following technical means:
a hydraulic oil filter for a crane,
the filter comprises a cylindrical filter cartridge, wherein a liquid inlet pipe is arranged on the side wall of the filter cartridge, and the liquid inlet pipe is communicated with the filter cartridge in a tangential direction;
the filter cartridge is axially provided with a filter element, the upper side and the lower side of the filter element are in rotary fit with the upper side and the lower side of the filter cartridge, and the upper side and the lower side of the filter cartridge are provided with rotary connecting pieces for the filter element to rotate;
the inner wall of the filter cylinder is provided with a spiral blade, the outer side of the spiral blade is fixedly connected with the inner wall of the filter cylinder, the inner side of the spiral blade is provided with brush hair which is opposite to the outer side wall of the filter core, and the bottom of the filter cylinder is provided with an iron filings adsorption device.
Preferably, a hydraulic oil filter for a crane is provided, and a plurality of prismatic reinforcing ribs are uniformly arranged on the outer side wall of the filter element.
Preferably, the rotary connecting piece comprises an annular bearing plate, the bearing plate is provided with an annular sliding groove, an annular sliding block is arranged in the sliding groove, a plurality of balls are arranged on one side, in contact with the sliding groove, of the sliding block, and the other side of the sliding block is a filter element contact side.
Preferably, an end cover is arranged on the upper side of the filter cylinder, a rotary connecting piece positioned on the upper side of the filter core is arranged on the lower side of the end cover, and an elastic buffer piece is further arranged between the end cover and the corresponding rotary connecting piece.
Preferably, the end cover and the upper side of the filter cylinder are connected in a butt flange mode, and a rubber sealing layer is arranged between the end cover and the upper side of the filter cylinder.
Preferably, the hydraulic oil filter for the crane comprises an annular magnet and a sheath wrapped on the outer side of the magnet.
Preferably, a hydraulic oil filter for a crane is provided, a liquid outlet pipe is arranged at the lower side of the filter cylinder, an upper pipe orifice of the liquid outlet pipe penetrates through the lower side wall of the filter cylinder and extends into the filter core, and the liquid outlet pipe and the filter core are coaxially arranged.
The invention has the advantages that: the liquid inlet pipe is communicated with the filter cylinder at an angle tangential to the filter cylinder, so that hydraulic oil enters the filter cylinder along the tangential direction of the inner side wall when entering the filter cylinder, and simultaneously can be matched with the arranged spiral blades, so that the hydraulic oil spirally descends in the filter cylinder in a spiral mode, and the flow of the hydraulic oil is directional.
On the other hand, the filter core can follow self axial rotation under the effect of swivelling joint spare, its rotatory power just derives from the hydraulic oil that is stable direction flow, hydraulic oil utilizes the filter core to filter, drive the filter core simultaneously and rotate, rotatory filter core is favorable to hydraulic oil filtration's homogeneity, its foremost effect is the brush hair of cooperation helical blade, get rid of the great particulate matter that blocks up in the filter core surface, generally iron fillings and dust, the iron fillings that the clearance was got off are carried to the filter cylinder bottom along helical blade's orbit, by iron fillings adsorption equipment adsorbing, because the surface iron fillings of filter core are cleared up alone and adsorb, the absorptive efficiency of filter core lateral wall has been improved greatly.
Drawings
Fig. 1: is a schematic structural diagram of the invention.
Fig. 2: is a schematic diagram of the whole three-dimensional structure of the invention.
Fig. 3: is a schematic diagram of the structure of the spiral blade.
Fig. 4: is a schematic diagram of the structure of the filter element.
Fig. 5: a partially enlarged schematic view of the rotary joint of the present invention is provided.
Fig. 6: the structure of the scrap iron adsorption device is schematically shown.
In the figure, a filter cartridge 1, a liquid inlet pipe 11, a filter element 2, a rotary connecting piece 3, a spiral blade 12, bristles 13, scrap iron adsorbing devices 4, reinforcing ribs 21, a carrier plate 31, a chute 32, a slide block 33, balls 34, an end cover 5, an elastic buffer piece 51, a rubber sealing layer 52, a magnet 41, a sheath 42 and a liquid outlet pipe 14 are shown.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The upper, lower, left, right, front, back, all are standard herein as shown in fig. 1.
Examples:
a hydraulic oil filter for a crane,
as shown in fig. 1 and 2: the filter comprises a cylindrical filter cartridge 1, wherein a liquid inlet pipe 11 is arranged on the side wall of the filter cartridge 1, and the liquid inlet pipe 11 is communicated with the filter cartridge 1 tangentially;
the filter cartridge 1 is axially provided with a filter element 2, the upper side and the lower side of the filter element 2 are in rotary fit with the upper side and the lower side of the interior of the filter cartridge 1, and the upper side and the lower side of the interior of the filter cartridge 1 are provided with rotary connecting pieces 3 for the rotation of the filter element 2;
as shown in fig. 3: the inner wall of the filter cartridge 1 is provided with a helical blade 12, the outer side of the helical blade 12 is fixedly connected with the inner wall of the filter cartridge 1, the inner side of the helical blade 12 is provided with bristles 13 which are opposite to the outer side wall of the filter cartridge 2, and the bottom of the filter cartridge 1 is provided with a scrap iron adsorption device 4.
According to the invention, the liquid inlet pipe is communicated with the filter cylinder at an angle tangential to the filter cylinder, so that hydraulic oil enters the filter cylinder along the tangential direction of the inner side wall when entering the filter cylinder, and simultaneously can be matched with the arranged spiral blades, so that the hydraulic oil spirally descends in the filter cylinder, and the flow of the hydraulic oil is directional.
On the other hand, the filter core can follow self axial rotation under the effect of swivelling joint spare, its rotatory power just derives from the hydraulic oil that is stable direction flow, hydraulic oil utilizes the filter core to filter, drive the filter core simultaneously and rotate, rotatory filter core is favorable to hydraulic oil filtration's homogeneity, its foremost effect is the brush hair of cooperation helical blade, get rid of the great particulate matter that blocks up in the filter core surface, generally iron fillings and dust, the iron fillings that the clearance was got off are carried to the filter cylinder bottom along helical blade's orbit, by iron fillings adsorption equipment adsorbing, because the surface iron fillings of filter core are cleared up alone and adsorb, the absorptive efficiency of filter core lateral wall has been improved greatly.
As shown in fig. 4: preferably, in the hydraulic oil filter for a crane, a plurality of prismatic reinforcing ribs 21 are uniformly arranged on the outer side wall of the filter element 2.
The reinforcing ribs improve the protection of the outer side of the filter element, serve as rotating teeth on the other hand, and are matched with flowing hydraulic oil to promote the rotation of the filter element.
As shown in fig. 5: preferably, the rotary connecting piece 3 comprises an annular bearing plate 31, the bearing plate 31 is provided with an annular sliding groove 32, an annular sliding block 33 is arranged in the sliding groove 32, a plurality of balls 34 are arranged on one side, in contact with the sliding groove 32, of the sliding block 33, and the other side, in contact with the filter element 2, of the sliding block 33.
According to the invention, the sliding block is embedded in the sliding groove, and the sliding friction is changed into rolling friction through the ball, so that the rotation fluency of the sliding block and the sliding groove is improved.
Preferably, in a hydraulic oil filter for a crane, an end cover 5 is disposed on the upper side of the filter cartridge 1, a rotary connecting member 3 disposed on the upper side of the filter element 2 is mounted on the lower side of the end cover 5, and an elastic buffer member 51 is further disposed between the end cover 5 and the corresponding rotary connecting member 3.
According to the invention, the end cover can be designed separately from the filter cartridge, so that the filter core can be replaced conveniently, the rotary connecting piece is arranged on the end cover, the installation stability of the filter core can be improved conveniently, the filter core is firstly arranged on the filter cartridge, then the end cover is covered, the fitting degree of the rotary connecting piece and the filter core can be adjusted through the shrinkage of the elastic buffer piece, and the elastic buffer piece can be a spring or a reed.
As shown in fig. 1: preferably, in the hydraulic oil filter for the crane, the upper sides of the end cover 5 and the filter cartridge 1 are connected in a butt flange mode, and a rubber sealing layer 52 is further arranged between the end cover 5 and the upper side of the filter cartridge 1.
And the tightness is improved by adopting a butt flange and a rubber sealing layer respectively.
As shown in fig. 6: preferably, the scrap iron adsorption device 4 comprises an annular magnet 41 and a sheath 42 wrapping the outer side of the magnet 41.
According to the invention, the iron filings scraped by the brush hairs are adsorbed by utilizing the adsorption performance of the magnet to the iron filings, so that the iron filings are prevented from being attached to the surface of the filter element again, and the adsorbed iron filings are not convenient to clean, so that the detachable thin sheath is sleeved on the outer side of the magnet, the arrangement of the sheath does not influence the magnetic performance of the magnet, the adsorbed iron filings are positioned on the surface of the sheath, and the sheath is directly removed for cleaning during cleaning.
As shown in fig. 1: preferably, in the hydraulic oil filter for a crane, a liquid outlet pipe 14 is arranged at the lower side of the filter cartridge 1, an upper pipe orifice of the liquid outlet pipe 14 penetrates through the lower side wall of the filter cartridge 1 and extends into the filter element 2, and the liquid outlet pipe 14 and the filter element 2 are coaxially arranged.
According to the invention, the filtering is performed through the surface of the filter element, wherein hydraulic oil enters from the outer side wall of the filter element and is discharged from the central pipeline of the filter element along the liquid outlet pipe, and the part of the liquid outlet pipe extending to the filter element is in rotary fit with the filter element because the filter element can rotate in the filter element.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a hydraulic oil filter for crane which characterized in that: the filter comprises a cylindrical filter cartridge, wherein a liquid inlet pipe is arranged on the side wall of the filter cartridge, and the liquid inlet pipe is communicated with the filter cartridge in a tangential direction; the filter cartridge is axially provided with a filter element, the upper side and the lower side of the filter element are in rotary fit with the upper side and the lower side of the filter cartridge, and the upper side and the lower side of the filter cartridge are provided with rotary connecting pieces for the filter element to rotate; the inner wall of the filter cylinder is provided with a spiral blade, the outer side of the spiral blade is fixedly connected with the inner wall of the filter cylinder, the inner side of the spiral blade is provided with brush hair which is opposite to the outer side wall of the filter core, and the bottom of the filter cylinder is provided with an iron filings adsorption device;
the rotary connecting piece comprises an annular bearing plate, the bearing plate is provided with an annular sliding groove, an annular sliding block is arranged in the sliding groove, a plurality of balls are arranged on one side, in contact with the sliding groove, of the sliding block, and the other side of the sliding block is a filter element contact side;
the scrap iron adsorption device comprises an annular magnet and a sheath wrapped on the outer side of the magnet.
2. The hydraulic oil cleaner for a crane according to claim 1, wherein: the outer side wall of the filter element is uniformly provided with a plurality of prismatic reinforcing ribs.
3. The hydraulic oil cleaner for a crane according to claim 1, wherein: the upper side of the filter cylinder is provided with an end cover, a rotary connecting piece positioned on the upper side of the filter core is arranged on the lower side of the end cover, and an elastic buffer piece is further arranged between the end cover and the corresponding rotary connecting piece.
4. A hydraulic oil cleaner for a crane according to claim 3, wherein: the end cover is connected with the upper side of the filter cylinder in a butt flange mode, and a rubber sealing layer is arranged between the end cover and the upper side of the filter cylinder.
5. The hydraulic oil cleaner for a crane according to claim 1, wherein: the lower side of the filter cylinder is provided with a liquid outlet pipe, an upper pipe orifice of the liquid outlet pipe penetrates through the lower side wall of the filter cylinder and extends into the filter core, and the liquid outlet pipe and the filter core are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399074.XA CN110000002B (en) | 2019-05-14 | 2019-05-14 | Hydraulic oil filter for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399074.XA CN110000002B (en) | 2019-05-14 | 2019-05-14 | Hydraulic oil filter for crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110000002A CN110000002A (en) | 2019-07-12 |
| CN110000002B true CN110000002B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910399074.XA Active CN110000002B (en) | 2019-05-14 | 2019-05-14 | Hydraulic oil filter for crane |
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| CN (1) | CN110000002B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508053A (en) * | 2019-09-29 | 2019-11-29 | 河北润农节水科技股份有限公司 | A kind of soil pick-up formula self-cleaning net type filter |
| CN112221200B (en) * | 2020-09-18 | 2022-05-03 | 安徽高博过滤科技有限公司 | Oil-water separation filter material for hydraulic oil, preparation method thereof and filter element |
| CN111980778A (en) * | 2020-09-21 | 2020-11-24 | 滁州市共赢汽车配件有限公司 | Oil filter for automobile assembly |
| CN113499646B (en) * | 2021-09-09 | 2021-11-30 | 南通道奇家纺有限公司 | Air filter for workshop |
| CN114060119A (en) * | 2021-11-16 | 2022-02-18 | 王伟仁 | Oil filter and automatic filter element replacing method thereof |
| CN116713109B (en) * | 2023-08-11 | 2023-10-13 | 常州良旭车辆配件有限公司 | Automobile lubricating oil filtering system |
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| CN109731398A (en) * | 2019-03-14 | 2019-05-10 | 高博集团有限公司 | A kind of methanol filter glass Compound filtering material |
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| DE102009051696A1 (en) * | 2009-11-03 | 2011-05-05 | Mann+Hummel Gmbh | Replaceable filter element, system-fixed filter part and filter system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0278405A (en) * | 1988-07-08 | 1990-03-19 | Hein Lehmann Ag | Slit tube filter |
| GB2247187A (en) * | 1990-08-24 | 1992-02-26 | Chen Tsong Hae | Water filter |
| JP2009150330A (en) * | 2007-12-21 | 2009-07-09 | Kinokuni Enterprise Co Ltd | Oil filter |
| CN103298536A (en) * | 2010-11-04 | 2013-09-11 | 亨格斯特两合公司 | Filter with a replaceable filter insert |
| CN202155099U (en) * | 2011-04-18 | 2012-03-07 | 邹占武 | Self-cleaning type filtering device of rotating liquid polyester |
| CN202277726U (en) * | 2011-09-26 | 2012-06-20 | 四川福斯表面技术有限公司 | Passive helical filter capable of automatically discharging residues |
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| CN109731398A (en) * | 2019-03-14 | 2019-05-10 | 高博集团有限公司 | A kind of methanol filter glass Compound filtering material |
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| CN110000002A (en) | 2019-07-12 |
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