CN108057270B - Oil suction filter device of coal cutter - Google Patents
Oil suction filter device of coal cutter Download PDFInfo
- Publication number
- CN108057270B CN108057270B CN201810073130.6A CN201810073130A CN108057270B CN 108057270 B CN108057270 B CN 108057270B CN 201810073130 A CN201810073130 A CN 201810073130A CN 108057270 B CN108057270 B CN 108057270B
- Authority
- CN
- China
- Prior art keywords
- oil
- filter
- filter element
- gland
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 239000003921 oil Substances 0.000 claims abstract description 91
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000005065 mining Methods 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000000638 solvent extraction Methods 0.000 claims abstract description 3
- 210000004907 gland Anatomy 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 4
- 239000010721 machine oil Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 abstract description 14
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000003749 cleanliness Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
- B01D2201/345—Pressurized seals or gaskets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
An oil absorption filter device of a coal mining machine comprises a filter cylinder body, wherein an oil absorption filter element is arranged in a filter cavity of the filter cylinder body, oil inlets are formed in the outer walls around the oil inlet end of the filter cylinder body, the oil inlets are communicated with the filter cavity through an oil inlet channel, and a partition sealing mechanism for partitioning oil when the filter element is replaced is arranged at the oil inlet channel; an oil outlet connector connected with an oil suction port of the hydraulic pump through a hydraulic rubber pipe is arranged at the oil outlet end of the filtering cylinder body. According to the invention, the oil suction filter element arranged in the filter cavity is utilized, so that impurities in hydraulic oil of the coal mining machine can be filtered, the cleanliness of the hydraulic oil entering each element of the hydraulic system is ensured, the working reliability of the hydraulic system of the coal mining machine is further ensured, and the working efficiency of the coal mining machine is improved; the oil in the filter cavity can be separated when the oil suction filter element is replaced by using the separation seal seat matched with the inner wall of the filter cylinder body, so that the oil can be prevented from contacting with the outside; the oil absorption filter element can be automatically ejected out by utilizing the compression spring sleeved on the guide rod, thereby facilitating the replacement of the oil absorption filter element.
Description
Technical Field
The invention relates to the technical field of coal mine mechanical equipment, in particular to a coal cutter oil suction filter device.
Background
The underground working environment of the coal mine is very severe, the coal mining machine is often corroded by coal dust, rock dust and other impurities in the working process, and the invaded pollution is also a main cause of pollution of a hydraulic system of the coal mining machine. While about 70% of the malfunctions of the hydraulic system are due to hydraulic oil pollution. Therefore, the pollution of the hydraulic system is strictly controlled, the cleanliness of the hydraulic system is maintained, and the working reliability of the coal mining machine can be effectively improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the oil suction filter device of the coal mining machine, which can filter impurities in hydraulic oil of the coal mining machine, ensure the cleanliness of the hydraulic oil entering each element of a hydraulic system and improve the working reliability of the hydraulic system of the coal mining machine.
The technical problem to be solved by the invention is realized by the following technical scheme, and the oil absorption filter device of the coal mining machine is characterized in that: the oil inlet is communicated with the filter cavity through an oil inlet channel, a partition sealing mechanism for partitioning oil when the filter element is replaced is arranged at the oil inlet channel, the partition sealing mechanism comprises a partition sealing seat matched with the inner wall of the filter cylinder to seal the oil inlet channel, one end of the oil suction filter element close to the oil inlet of the filter cylinder is provided with a push rod penetrating into the oil inlet channel to be in contact with the partition sealing seat, the partition sealing seat is provided with a guide rod extending towards the rear cover of the filter cylinder, the guide rod and the push rod are arranged in parallel with the axial direction of the filter cylinder, and a compression spring sleeved on the guide rod is arranged between the rear cover and the partition sealing seat; the oil outlet end of the filter cylinder is provided with an oil outlet connector connected with an oil suction port of the hydraulic pump through a hydraulic rubber pipe, the oil outlet connector comprises a mining quick-plugging cementing connector and a gland for positioning an oil suction filter element, the gland is fixedly connected with the filter cylinder, a bushing connector is arranged between the gland and the mining quick-plugging cementing connector, and an oil outlet channel which is communicated with a filter cavity and the mining quick-plugging cementing connector is arranged in the bushing connector.
The technical problem to be solved by the invention can be further solved by the following technical scheme that an outer sealing device matched with a traction box body of the coal mining machine is arranged on the outer wall of the filtering cylinder body, and an inner sealing device is arranged between the gland and the filtering cylinder body.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the contact end surface of the partition sealing seat and the oil absorption filter element ejector rod is set to be an outer conical surface, and the inner wall of the filter cylinder body at the oil inlet channel is provided with an inner conical surface matched with the outer conical surface.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the outer edge of the outer conical surface of the partition sealing seat is provided with a conical surface sealing device, and the guide rod is sleeved with a pressing plate for pressing the conical surface sealing device.
The technical problem to be solved by the invention can be further solved by the following technical scheme that a joint mounting hole for positioning the bushing joint is arranged at the center of the gland, the bushing joint is arranged at the joint mounting hole, and a limiting boss matched with the gland is arranged at the outer end of the bushing joint extending out of the joint mounting hole.
The technical problem to be solved by the invention can be further solved by the following technical scheme that an end face sealing device is arranged between the bushing joint limiting boss and the gland.
The technical problem to be solved by the invention can be further solved by the following technical scheme that a combined sealing device is arranged between the mining quick-insertion type cementing joint and the lining joint.
Compared with the prior art, the invention has the advantages that the oil suction filter element arranged in the filter cavity is utilized, impurities in the hydraulic oil of the coal mining machine can be filtered, the cleanliness of the hydraulic oil entering each element of the hydraulic system is ensured, the working reliability of the hydraulic system of the coal mining machine is further ensured, and the working efficiency of the coal mining machine is improved; the oil in the filter cavity can be separated when the oil suction filter element is replaced by using the separation seal seat matched with the inner wall of the filter cylinder body, so that the oil can be prevented from contacting with the outside; the oil absorption filter element can be automatically ejected out by utilizing the compression spring sleeved on the guide rod, thereby facilitating the replacement of the oil absorption filter element.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The utility model provides a coal-winning machine oil absorption filter device, including the filter cylinder 7 that connects with the coal-winning machine traction box fixedly, be equipped with the filter chamber in the inside of filter cylinder 7, install oil absorption filter core 8 in the filter chamber, the oil feed end of filter cylinder is fixed with back lid 13, open the oil inlet on the outer wall all around of filter cylinder oil feed end, the oil inlet communicates with each other with the filter chamber through the oil feed passageway, cut off sealing mechanism that cuts off the fluid when being equipped with the filter core in oil feed passageway department, cut off sealing mechanism includes and seals the wall seal seat 9 of oil feed passageway with the cooperation of filter cylinder inner wall, be equipped with the ejector pin 15 that gets deep into oil feed passageway and cuts off seal seat 9 contact at the one end that is close to the oil inlet of filter cylinder of oil absorption filter core 8, be equipped with on cut off seal seat 9 and to filter cylinder back lid extension guide bar 11, ejector pin 15 all are parallel with the axial direction of filter cylinder, be equipped with the compression spring 12 of suit on guide bar 11 between back lid and the wall seal seat; the oil outlet end of the filter cylinder is provided with an oil outlet connector connected with an oil suction port of the hydraulic pump through a hydraulic rubber pipe, the oil outlet connector comprises a mining quick-plugging cementing connector 1 and a gland 5 for positioning an oil suction filter element, the gland 5 is fixedly connected with the filter cylinder, a bushing connector 3 is arranged between the gland 5 and the mining quick-plugging cementing connector 1, and an oil outlet channel for communicating a filter cavity with the mining quick-plugging cementing connector is arranged in the bushing connector. The filter cylinder is an important component of the oil-absorbing filter element, plays roles in installing the oil-absorbing filter element, connecting and fixing the oil-absorbing filter element with a machine body and the like, the left end of the filter cylinder is arranged as an oil outlet end, is connected with the lower end surface of a hydraulic oil tank in a traction box of the coal mining machine through an inner hexagonal screw, forms effective seal with a gland through an inner sealing device on the end surface, prevents hydraulic oil from leaking from the end surface in the oil-absorbing and filtering process, forms reliable seal with a filter mounting hole of the hydraulic oil tank through an outer sealing device of an outer ring, and prevents the hydraulic oil from leaking outwards axially from the filter mounting hole; the middle part of the filtering cylinder body is the installation position of an oil absorption filter element, and the filter element can play a role in filtering impurities in hydraulic oil; the right end of the filter cylinder body is set to be an oil inlet end, the partition sealing seat is always in contact with the ejector rod of the oil absorption filter core under the action of the pretightening force of the compression spring, the left end face of the oil absorption filter core is always pressed on the right end face of the bushing joint, when the filter core is replaced, the outer conical surface on the partition sealing seat is in contact with the inner conical surface of the right end of the filter cylinder body, and an effective seal is formed at the conical surface through the conical surface sealing device, so that oil in the hydraulic oil tank is partitioned from the outside, and oil leakage is prevented from being caused in the process of replacing the filter core. The gland is connected with the traction box shell through an outer hexagon bolt and is pressed at the left end face of the filtering barrel, the center is provided with a bushing joint which forms end face seal through an end face sealing device, and filtered hydraulic oil is connected with a hydraulic rubber tube through a mining quick-plug type hinge joint to the oil suction port of the hydraulic pump.
When the oil absorption filter element is replaced, the mining quick-insertion type cementing joint and the lining joint are loosened, then the gland for positioning the oil absorption filter element is detached, the oil absorption filter element is pushed to separate the outer conical surface of the sealing seat along the axial direction of the guide rod under the action of compression inflammatory, the outer conical surface contacts with the inner conical surface at the right end of the filter cylinder body to separate the oil inlet channel, and the oil inlet channel is sealed by the conical surface sealing device, so that oil in the filter cavity is separated from the outside.
An outer sealing device 6 matched with the traction box body of the coal mining machine is arranged on the outer wall of the filtering barrel, and an inner sealing device 16 is arranged between the gland and the filtering barrel. The inner sealing device and the outer sealing device are O-shaped sealing rings. The contact end face of the partition sealing seat and the oil absorption filter element ejector rod is set to be an outer conical surface, and an inner conical surface matched with the outer conical surface is arranged on the inner wall of the filter cylinder body at the oil inlet channel. The outer edge of the outer conical surface of the partition sealing seat is provided with a conical surface sealing device 14, and a pressing plate 10 for pressing the conical surface sealing device is sleeved on the guide rod. The center of the gland is provided with a joint mounting hole for positioning the bushing joint, the bushing joint is mounted at the joint mounting hole, and the outer end of the bushing joint extending out of the joint mounting hole is provided with a limiting boss matched with the gland. An end face sealing device 4 is arranged between the bushing joint limiting boss and the gland. And a combined sealing device 2 is arranged between the mining quick-insertion type cementing joint and the lining joint. The combined sealing device 2 and the end face sealing device 4 are combined sealing gaskets.
Claims (1)
1. The utility model provides a coal-winning machine oil absorption filter device which characterized in that: the oil inlet is communicated with the filter cavity through an oil inlet channel, a partition sealing mechanism for partitioning oil when the filter element is replaced is arranged at the oil inlet channel, the partition sealing mechanism comprises a partition sealing seat matched with the inner wall of the filter cylinder to seal the oil inlet channel, one end of the oil suction filter element close to the oil inlet of the filter cylinder is provided with a push rod penetrating into the oil inlet channel to be in contact with the partition sealing seat, the partition sealing seat is provided with a guide rod extending towards the rear cover of the filter cylinder, the guide rod and the push rod are arranged in parallel with the axial direction of the filter cylinder, and a compression spring sleeved on the guide rod is arranged between the rear cover and the partition sealing seat; an oil outlet connector connected with an oil suction port of a hydraulic pump through a hydraulic rubber pipe is arranged at the oil outlet end of the filtering barrel, the oil outlet connector comprises a mining quick-plugging cementing connector and a gland for positioning an oil suction filter element, the gland is fixedly connected with the filtering barrel, a bushing connector is arranged between the gland and the mining quick-plugging cementing connector, and an oil outlet channel for communicating a filtering cavity with the mining quick-plugging cementing connector is arranged inside the bushing connector; an outer sealing device matched with the traction box body of the coal mining machine is arranged on the outer wall of the filtering barrel, and an inner sealing device is arranged between the gland and the filtering barrel; the contact end surface of the partition sealing seat and the oil absorption filter element ejector rod is set to be an outer conical surface, and an inner conical surface matched with the outer conical surface is arranged on the inner wall of the filter cylinder body at the oil inlet channel; the outer edge of the outer conical surface of the partition sealing seat is provided with a conical surface sealing device, and a pressing plate for pressing the conical surface sealing device is sleeved on the guide rod; the center of the gland is provided with a joint mounting hole for positioning a bushing joint, the bushing joint is mounted at the joint mounting hole, and the outer end of the bushing joint extending out of the joint mounting hole is provided with a limit boss matched with the gland; an end face sealing device is arranged between the bushing joint limiting boss and the gland; and a combined sealing device is arranged between the mining quick-insertion type cementing joint and the lining joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073130.6A CN108057270B (en) | 2018-01-25 | 2018-01-25 | Oil suction filter device of coal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073130.6A CN108057270B (en) | 2018-01-25 | 2018-01-25 | Oil suction filter device of coal cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108057270A CN108057270A (en) | 2018-05-22 |
| CN108057270B true CN108057270B (en) | 2024-10-18 |
Family
ID=62141932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810073130.6A Active CN108057270B (en) | 2018-01-25 | 2018-01-25 | Oil suction filter device of coal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108057270B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160123B (en) * | 2023-11-02 | 2024-02-13 | 福建省德尚电子材料有限公司 | Pipeline structure for replacing photoresist filter element |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207941263U (en) * | 2018-01-25 | 2018-10-09 | 连云港天明装备有限公司 | A kind of coalcutter oil absorption filter device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2742610C2 (en) * | 1977-09-22 | 1982-09-09 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | oilcontainer |
| DE19538883A1 (en) * | 1995-10-19 | 1997-04-24 | Bosch Gmbh Robert | Filter for liquids, esp. diesel fuel |
| DE19961580A1 (en) * | 1999-12-21 | 2001-06-28 | Mann & Hummel Filter | Liquid filter with drain for liquid residues |
| DE102009007389B3 (en) * | 2009-02-05 | 2010-04-15 | Hydac Filtertechnik Gmbh | filter means |
| CN102374210A (en) * | 2010-08-12 | 2012-03-14 | 贺勍 | Detachable fineness grading series integral-type seal-sealing magnetic filter |
| CN101979884A (en) * | 2010-11-13 | 2011-02-23 | 衡阳华菱钢管有限公司 | Method for preventing damaged seal of hydraulic oil cylinder from polluting hydraulic oil and filtering device |
| CN102512865B (en) * | 2011-12-20 | 2013-11-20 | 自贡科创液压有限公司 | Backflushing blowdown oil filter able to switch without flow break |
| CN204283869U (en) * | 2014-11-06 | 2015-04-22 | 天津思高科技发展有限公司 | The oil absorption filter of diaphragm type compressor |
| CN206168015U (en) * | 2016-09-23 | 2017-05-17 | 江苏升灿汽车配件有限公司 | Novel hydraulic oil filter filter core |
-
2018
- 2018-01-25 CN CN201810073130.6A patent/CN108057270B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207941263U (en) * | 2018-01-25 | 2018-10-09 | 连云港天明装备有限公司 | A kind of coalcutter oil absorption filter device |
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| Publication number | Publication date |
|---|---|
| CN108057270A (en) | 2018-05-22 |
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