CN201287008Y - Full automatic high-pressure reverse cleaning filtering system for hydraulic support - Google Patents
Full automatic high-pressure reverse cleaning filtering system for hydraulic support Download PDFInfo
- Publication number
- CN201287008Y CN201287008Y CNU2008201499182U CN200820149918U CN201287008Y CN 201287008 Y CN201287008 Y CN 201287008Y CN U2008201499182 U CNU2008201499182 U CN U2008201499182U CN 200820149918 U CN200820149918 U CN 200820149918U CN 201287008 Y CN201287008 Y CN 201287008Y
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- China
- Prior art keywords
- filter
- hydraulic support
- automatic high
- liquid outlet
- reverse cleaning
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- 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.)
- Expired - Fee Related
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- 238000004140 cleaning Methods 0.000 title claims description 16
- 238000001914 filtration Methods 0.000 title claims description 12
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003245 coal Substances 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 4
- 238000011001 backwashing Methods 0.000 abstract 2
- 239000012535 impurity Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a fully-automatic high-pressure back washing filter system for a hydraulic support frame, which comprises a plurality of filters; each filter respectively corresponds to one hydraulic support frame; the liquid outlet of each filter is communicated with the liquid inlet of the corresponding hydraulic support frame; the filters adopt back washing filters automatically controlled by PLC; and the PLC control unit of each filter is connected to an identical main line, so as to greatly reduce the maintenance cost of the device and ensure the hydraulic liquid quality of each support frame; and the utility model is widely applied to the support device used in the coal mining field.
Description
Technical field
The utility model relates to the coal mining apparatus field, especially relates to a kind of reverse cleaning and filtering of full-automatic high-pressure system that is used for hydraulic support.
Background technology
The support apparatus that field of coal mining is used is extensive use of the control support that hydraulic technique is carried out support, the maintenance hydraulic fluid is contaminated less to be one of important topic in the engineering, at present, the down-hole support apparatus all adopts accurate digital controlled valve, liquid passage aperture in the valve body is very thin, thereby the liquid clean level is proposed requirements at the higher level.The underground work operating mode is complicated abominable, and hydraulic fluid is subjected to the threat from the pollution of each side impurity, and these impurity mainly comprise; The galling thing, lacquer, the seal of wearing and tearing, dust and incrustation scale or the like.At present; in every support feed liquor system high accuracy, high pressure filter are housed all; filter mainly filters out impurities by the screen pack of establishing in it, and after using after a while, impurity particle can deposit on screen pack; if forming screen pack stops up; hydraulic system is not smooth, influences the performance of hydraulic system, when serious; impurity can be transferred to each corner in the hydraulic system, thereby causes the hydraulic support accident.As seen, often have only hydraulic system is safeguarded, improve hydraulic system, the quality of scavenging solution press liquid could guarantee the hydraulic support safe operation.Yet the hydraulic support of down-hole often has a lot of platforms, and every support all is provided with filter, and the filter that uses now all is manual, and it is heavy that the workman carries out the labour intensity of this plant maintenance, and the quality of hydraulic system liquid can't guarantee.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of reverse cleaning and filtering of full-automatic high-pressure system that is used for hydraulic support, reduces the cost of plant maintenance greatly, guarantees the quality of every bracket hydraulic liquid.
For achieving the above object, the utility model by the following technical solutions:
The reverse cleaning and filtering of the full-automatic high-pressure system that is used for hydraulic support of the present utility model comprises several filters, the respectively corresponding hydraulic support of each filter, and the liquid outlet of each filter is connected with the inlet of corresponding hydraulic support; Filter adopts the PLC reverse filter rinsed of control automatically; The PLC control module of each filter is connected on the same main line.
Described filter comprises two magnetic valves, two filter screen devices and a PLC controller; The inlet of two magnetic valves connects main input duct, one of them liquid outlet of each magnetic valve links to each other with the inlet of one of them filter screen device, the liquid outlet of two filter screen devices links to each other with the inlet of corresponding hydraulic support, and another liquid outlet of each magnetic valve links to each other with the emissions pipeline; The control signal output of PLC controller links to each other respectively with the control signal input of two magnetic valves.
Described magnetic valve adopts guide electromagnetic valve, and the control signal output of PLC controller links to each other respectively with the control signal input of guide electromagnetic valve.
Described magnetic valve adopts the guide electromagnetic valve of two-bit triplet.
The beneficial effects of the utility model are: because the filter corresponding with each support all adopts the PLC reverse filter rinsed of control automatically; The PLC control module of each filter is connected on the same main line, so not only saved the cost of manual maintenance, and can regularly carry out maintenance clean to numerous filter, thereby guaranteed the quality of every bracket hydraulic liquid, and the construction of the utility model electric-control system is simple, and the cost of increase is not high.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can be passed through following specification, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in the figure, the reverse cleaning and filtering of the full-automatic high-pressure system that is used for hydraulic support of the present utility model, comprise several filters, it all is to adopt hydraulic control to support that a lot of supports are often arranged in the coal mining project, the all corresponding filter of each support, therefore, the concrete quantity of filter is decided according to project is different, only demonstrates three filters of support 3, support 10 and 11 3 supports of support and its correspondence among the figure of present embodiment.The liquid outlet of each filter is connected with the inlet of corresponding hydraulic support; Filter adopts the PLC reverse filter rinsed of control automatically; The PLC control module of each filter is connected with same main line 4.
Now the parts and the annexation of the filter of present embodiment medium-height trestle 3 correspondences are described, and the annexation principle of the filter of other supports and correspondence is identical.The filter of support 3 correspondences comprises guide electromagnetic valve, filter screen device 8, filter screen device 9 and PLC controller 5 of two two-bit triplets; Two guide electromagnetic valves comprise pilot valve 7a and its corresponding main valve 7b, pilot valve 6a and its corresponding main valve 6b.The inlet of two magnetic valves connects main input duct 1, and promptly the inlet of pilot valve 7a, main valve 7b, pilot valve 6a, main valve 6b links to each other with main input duct 1.Filter screen device 8 is series between one of them liquid outlet of the inlet of support 3 and main valve 7b, and another liquid outlet of main valve 7b links to each other with emissions pipeline 2 as sewage draining exit; Filter screen device 9 is series between one of them liquid outlet of the inlet of support 3 and main valve 6b, and another liquid outlet of main valve 6b links to each other with emissions pipeline 2 as sewage draining exit.The control signal output of PLC controller 5 links to each other respectively with the control signal input of pilot valve 6a and pilot valve 6b.PLC controller 5 is provided with timing routine, and the reverse cleaning of filter screen device 8 and filter screen device 9 is carried out successively; For example, set the reverse cleaning procedure that at first starts cleaning and filtering net arrangement 8, PLC controller 5 corresponding port command pilot valve 7a open, after the pilot valve 7a action, main valve 7b transposition, connect the inlet sealing of the main valve 7b of main input duct 1, the liquid outlet of the main valve 7b of connection filter screen device 8 and another liquid outlet of the main valve 7b that is connected emissions pipeline 2 communicate, this moment, main valve 6b continued as support 3 feed flows, therefore, the part of main valve 6b institute feed flow press liquid will oppositely be passed through to connect filter screen device 8, thereby play the function of reverse cleaning, after filter screen device 8 cleans certain hour, under 5 instructions of PLC controller, after replacing once more, main valve 7b begins normally to be support 3 feed flows, then, main valve 6b transposition, the automatic reverse of finishing filter screen device 9 according to above-mentioned identical principle cleans.
The filter of the reverse cleaning and filtering of the full-automatic high-pressure that the is used for hydraulic support system of present embodiment can be according to the down-hole condition of construction of project, and constantly expansion or minimizing is to anti-filter rinsed of each support corresponding device.Two filter screen devices of corresponding same support will be set successively and clean, and the filter screen device of corresponding different support can be set simultaneously and clean.The filter screen device of all supports is all realized full automatic timing cleaning, has saved cost of labor greatly, guarantees the liquid quality of hydraulic support.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. be used for the reverse cleaning and filtering of the full-automatic high-pressure system of hydraulic support, it is characterized in that: comprise several filters, the respectively corresponding hydraulic support of each filter, the liquid outlet of each filter is connected with the inlet of corresponding hydraulic support; Filter adopts the PLC reverse filter rinsed of control automatically; The PLC control module of each filter is connected on the same main line.
2. the reverse cleaning and filtering of the full-automatic high-pressure system that is used for hydraulic support according to claim 1, it is characterized in that: described filter comprises two magnetic valves, two filter screen devices and a PLC controller; The inlet of two magnetic valves connects main input duct, one of them liquid outlet of each magnetic valve links to each other with the inlet of one of them filter screen device, the liquid outlet of two filter screen devices links to each other with the inlet of corresponding hydraulic support, and another liquid outlet of each magnetic valve links to each other with the emissions pipeline; The control signal output of PLC controller links to each other respectively with the control signal input of two magnetic valves.
3. the reverse cleaning and filtering of the full-automatic high-pressure system that is used for hydraulic support according to claim 2, it is characterized in that: described magnetic valve adopts guide electromagnetic valve, and the control signal output of PLC controller links to each other respectively with the control signal input of guide electromagnetic valve.
4. the reverse cleaning and filtering of the full-automatic high-pressure system that is used for hydraulic support according to claim 3 is characterized in that: described magnetic valve adopts the guide electromagnetic valve of two-bit triplet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201499182U CN201287008Y (en) | 2008-10-23 | 2008-10-23 | Full automatic high-pressure reverse cleaning filtering system for hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201499182U CN201287008Y (en) | 2008-10-23 | 2008-10-23 | Full automatic high-pressure reverse cleaning filtering system for hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201287008Y true CN201287008Y (en) | 2009-08-12 |
Family
ID=40978679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201499182U Expired - Fee Related CN201287008Y (en) | 2008-10-23 | 2008-10-23 | Full automatic high-pressure reverse cleaning filtering system for hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201287008Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871849A (en) * | 2010-04-07 | 2010-10-27 | 郑州煤矿机械集团股份有限公司 | Automatic control method of hydraulic support test bed |
| CN102166448A (en) * | 2011-03-10 | 2011-08-31 | 温州宇丰化纤机械有限公司 | Full-automatic melt filter |
| CN106122181A (en) * | 2016-08-17 | 2016-11-16 | 淮南矿业(集团)有限责任公司 | Fully-mechanized mining working hydraulic system defecator |
-
2008
- 2008-10-23 CN CNU2008201499182U patent/CN201287008Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871849A (en) * | 2010-04-07 | 2010-10-27 | 郑州煤矿机械集团股份有限公司 | Automatic control method of hydraulic support test bed |
| CN102166448A (en) * | 2011-03-10 | 2011-08-31 | 温州宇丰化纤机械有限公司 | Full-automatic melt filter |
| CN106122181A (en) * | 2016-08-17 | 2016-11-16 | 淮南矿业(集团)有限责任公司 | Fully-mechanized mining working hydraulic system defecator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pei Shouzhi Inventor after: Zhou Xijie Inventor after: Yao Weizhou Inventor after: Zhu Yongzhan Inventor before: Pei Shouzhi Inventor before: Zhou Xijie Inventor before: Yao Weizhou Inventor before: Zhu Yongzhan |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20150421 Granted publication date: 20090812 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161021 Granted publication date: 20090812 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20161021 Granted publication date: 20090812 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20171021 Granted publication date: 20090812 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171021 Granted publication date: 20090812 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181023 Granted publication date: 20090812 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20151023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |