CN101182777B - Valve cell - Google Patents
Valve cell Download PDFInfo
- Publication number
- CN101182777B CN101182777B CN2007101882131A CN200710188213A CN101182777B CN 101182777 B CN101182777 B CN 101182777B CN 2007101882131 A CN2007101882131 A CN 2007101882131A CN 200710188213 A CN200710188213 A CN 200710188213A CN 101182777 B CN101182777 B CN 101182777B
- Authority
- CN
- China
- Prior art keywords
- valve
- stay pipe
- filter core
- strainer
- backwash strainer
- 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.)
- Expired - Fee Related
Links
- 210000000635 valve cell Anatomy 0.000 title description 7
- 238000001914 filtration Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000011001 backwashing Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 238000005065 mining Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
-
- 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
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—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 multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
Abstract
The invention relates to a valve unit for underground exploitation, comprising a block-type valve shell. The valve shell is internally provided with a plurality of valve cores, wherein, a backwashing filter is fixed on the valve shell.
Description
Technical field
The present invention relates to a kind of valve cell underground mining, that have the block valve housing that is used for, wherein be provided with a plurality of spools.
Background technology
This valve cell is known in underground mining and is used to control the for example hydraulic cylinder of force piece base (Strebausbaugestelle).
Because fluid under pressure receives stronger pollution in underground mining, so the strainer of fluid under pressure is absolutely necessary basically, wherein known backwash strainer has two irrelevant each other filter elements usually.In known backwash strainer, be provided with this filter element of flushing tap flushing of ball valve through two of manual operations repeatedly., wash leading blocked operations twice to three times for backflush with two here, wherein every layer is carried out backflush one time.Have two flushing taps because in a work plane, have about 150 to 200 backplates and each backplate, this means, at every layer during with the flushing of multi-pass operation flushing tap, the miner should open and close ball valve 600 to 1200 times at each layer.This complexity is difficult to accept.
In addition, also strainer is handled on known electric hydrodynamic pressure ground.But the complexity of this strainer and consequent cost all are very high.
At last, because must interrupt the sebific duct line of voltage supply so that insert filter element, so the structure of known filter element also is irrational.So, filter element must be fixed independently, and wherein, when the liquid of backflush should arbitrarily not spray, the flushing outlet was joined with backflow.
Summary of the invention
The objective of the invention is to, a kind of valve cell that is used for underground mining is provided, it can carry out the backflush of strainer with mode simple and with low cost.
The object of the invention is realized through a kind of filter core, it is characterized in that, said filter core has stay pipe unique, that be provided with a plurality of passages, in the outer setting of said stay pipe a plurality of filtration chambers that separate each other is arranged.
Through the backwash strainer with direct connection of valve chest then do not need extra flexible pipe and pipe fitting; So that the backwash strainer hydraulically is connected with valve chest; Reason is, can produce the entrance and exit of fluid under pressure through the boring of the centering in backwash strainer and the valve chest.Because preferably in the backwash strainer, be provided with electromagnetic valve, so can realize the control of backwash strainer with low costly through electro-hydraulic bracket controller (ausbausteuerung) with control backflush function.
A plurality of preferred embodiment of the present invention has been described in manual, accompanying drawing and dependent claims.
According to first preferred embodiment, the backwash strainer constitutes blockly, easily the backwash strainer is fixed on the valve chest thus.In addition, in housing, be provided with the control valve of electromagnetism, so that carry out the backflush process automatically.
When the passage of backwash strainer with the guide pressure of valve chest is connected, and need not independently that flexible pipe connects or pipe when connecting, is particularly advantageous.This obtains through following, and promptly backwash strainer and valve chest are tightened, and the backwash strainer is pressed onto on the valve chest thus, and imports the backwash strainer through the fluid under pressure that corresponding boring in valve chest and the backwash strainer will be to be washed from valve chest.Sealing between valve chest and backwash strainer can realize through O shape ring.
In addition, when being provided with unique filter core in the backwash strainer, be favourable, reason is, realizes backflush with low cost thus.
Filter core arranged according to the present invention (it also can be used in other valve cell) has the unique stay pipe that is provided with a plurality of passages, in this stay pipe outer setting a plurality of filtration chambers that separate each other is arranged.Here, the separation of filtration chamber can realize through one or more rings that are pulled on this stay pipe, particularly through press-fiting this ring is fixed on this stay pipe hermetically.
Utilize the screw thread stopper can at one end seal stay pipe, thereby can filter core be screwed in the housing of backwash strainer by the screw thread stopper.
According to another preferred embodiment, the lateral surface that in the filtration chamber, is provided with especially with the filter cloth, particularly this filter cloth of star crease folding can cover with supports cloth.
In addition, when the outer setting of filtration chamber has tangent (tangential) outlet of coming from stay pipe, be favourable.This outlet can be used for the pressure liquid that has filtered is offered guide's controller of backwash strainer.
Description of drawings
Next, the present invention only exemplarily describes according to preferred embodiment and with reference to accompanying drawing.Show:
Fig. 1 is the sketch map of valve cell; And
Fig. 2 is the longitudinal plan that runs through filter core.
The specific embodiment
Fig. 1 shows the sketch map according to valve cell of the present invention, wherein, uses then himself easy understanding of standardized symbols based on this sketch map self, therefore no longer details.Only be complementally to explain, label 10 expression block valve housings wherein are provided with a plurality of spools 12 in a known way, by a plurality of pilot valve 11 these a plurality of spools of control.Through the control of control assembly 15 realization pilot valves, this control assembly is connected with electro-hydraulic work plane controller through circuit 16.
Illustrate like Fig. 1, on valve chest 10, be fixed with backwash strainer 14, wherein valve chest and backwash strainer along the interface G adjacent one another are.
Backwash strainer 14 also has block-shape shell, is provided with two filter member 21 and 22 in this housing, this filter member by means of unique, filter core is realized shown in figure 2.By means of the guiding of two pilot valves 24 and 26 realization backflush processes, this pilot valve is controlled two main valves 28 and 30 again.
As shown in Figure 1, need not under the situation that independently flexible pipe connects or pipe connects, backwash strainer 14 is connected with R with the passage P of the guide pressure of valve chest 10.For this reason, the passage of guide pressure is directed the lateral surface until valve chest 10 through boring, and in the housing of backwash strainer 14, is provided with the boring of corresponding centering, wherein in the zone of boring, be provided with O shape ring for sealing.Label 32 expressions are arranged at the boring in the backwash strainer 14, utilize the clean fluid under pressure of this boring to be directed to pilot valve 24 and 26, so that control main valve 28 and 30.Realize the control of pilot valve 24 and 26 through circuit 34, this circuit is connected with control assembly 15.In other words, operate backwash strainer 14 through electro-hydraulic work plane controller automatically.
Fig. 2 shows the longitudinal plan that runs through filter core, realizes two filter member 21 and 22 of backwash strainer 14 through filter core.Filter core has the unique stay pipe 40 that is provided with a plurality of radial passages 42 shown in figure 2, and the exterior periphery of stay pipe is provided with two filtration chambers that separate each other 44 and 46.In the filtration chamber, be not respectively arranged with can get rusty, the filter cloth of star accordion, wherein on the lateral surface of filtration chamber 44 and 46, be respectively arranged with the supports cloth 48 (stuetzgewebe) processed by the material that can not get rusty as protective cover.
Realize separating of two filtration chambers 44 and 46 through encircling 50, utilize to press-fit this ring is shifted onto on the stay pipe 40 hermetically.Through the left part of the stay pipe 40 in screw thread stopper 52 Closed Graph 2 that are provided with O shape ring, can filter core be screwed in the housing of backwash strainer by means of the screw thread stopper.Right part among Fig. 2 is provided with sealing ring 54, and the sealing circle constitutes the outboard end of filtration chamber 46 on the one hand, and on direction of principal axis, has realized the delivery port of stay pipe on the other hand.Sealing ring 54 has the outlet 56 of tangent, and passage 57 centerings in this outlet and the stay pipe are so that be transported to pilot valve 24 and 26 with clean fluid under pressure.
The flow direction of liquid when arrow B is illustrated in normal the operation shown in figure 2.When operation valve 28 or valve 30, each flow direction when being illustrated in the backflush operation with arrow R1 and R2.
Utilization backwash strainer according to the present invention makes the flushing outlet of two strainers, half part import backflow with unique current tube connector jointly.In addition, the housing of backwash strainer can be connected on the valve chest under the situation that does not have extra flexible pipe coupling device, thereby does not need local fixture.The electric control of backwash strainer can realize through electro-hydraulic bracket controller.Because the control of backwash strainer realizes through the spool that switches fast (schnellschaltend) respectively, so significantly improved the purification of strainer, reason is that the shock wave that produces obviously removed dirt better.Because have unique stay pipe that runs through, and only on filter cloth and outer barrier, has unique stay pipe that runs through, so guaranteed extremely simple and low cost configuration thus according to filter core of the present invention inside.Only through press-fiting the sealing that produces each filtration chamber.
Claims (5)
1. filter core; It is characterized in that; Said filter core has stay pipe (40) unique, that be provided with a plurality of passages (42,57); Outer setting at said stay pipe has a plurality of filtration chambers that separate each other (44,46), and separating through the ring (50) that is pulled on the said stay pipe (40) of said filtration chamber (44,46) realizes.
2. filter core according to claim 1 is characterized in that, said ring (50) utilization press-fits and is pulled on the said stay pipe (40).
3. filter core according to claim 1 is characterized in that, said stay pipe (40) is at one end through screw thread stopper (52) sealing.
4. filter core according to claim 1 is characterized in that, in said filtration chamber (44,46), is provided with folding filter cloth.
5. filter core according to claim 1 is characterized in that, outside said filtration chamber (44,46), is provided with the tangent outlet (56,57) of coming from said stay pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006053630.4 | 2006-11-14 | ||
| DE102006053630.4A DE102006053630B4 (en) | 2006-11-14 | 2006-11-14 | filter cartridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101182777A CN101182777A (en) | 2008-05-21 |
| CN101182777B true CN101182777B (en) | 2012-05-30 |
Family
ID=39311134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101882131A Expired - Fee Related CN101182777B (en) | 2006-11-14 | 2007-11-09 | Valve cell |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101182777B (en) |
| DE (1) | DE102006053630B4 (en) |
| PL (1) | PL207266B1 (en) |
| RU (1) | RU2362018C1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835733B (en) * | 2014-03-25 | 2015-12-02 | 郑州煤机液压电控有限公司 | For the backwash filter of coal mine underground hydraulic support frame |
| CN104564119A (en) * | 2015-01-06 | 2015-04-29 | 三一重型装备有限公司 | Hydraulic bracket and nameplate mechanism of operation valve group thereof |
| CN104675423B (en) * | 2015-02-06 | 2017-01-18 | 太原理工大学 | Two-channel kiloliter-level large-flow reversing valve |
| CN107407301B (en) * | 2015-04-01 | 2021-05-07 | 山特维克知识产权股份有限公司 | Control unit for mining machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3526746C2 (en) * | 1985-07-26 | 1995-04-06 | Dieter Friedrichs | Safety filter for stamps or treadmills |
| DE3812704A1 (en) * | 1988-04-16 | 1989-10-26 | Baensch Tetra Werke | Internal filter for aquaria, garden ponds and the like |
| DE4033172C1 (en) * | 1990-10-19 | 1992-05-21 | Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De | |
| DE9015929U1 (en) * | 1990-11-22 | 1991-01-24 | Maschinenfabrik Joern Dams Gmbh, 4320 Hattingen, De | |
| DE4326536C2 (en) * | 1993-08-07 | 1998-06-10 | Saarberg Hydraulik Gmbh | Hydraulic installation of longwall construction in mining |
| DE19503701A1 (en) * | 1995-02-04 | 1996-08-08 | Walter Voss Gmbh Armaturenfabr | Device for operating hydraulic cylinders of shield structure used in mining |
| DE19938815A1 (en) * | 1999-08-19 | 2001-02-22 | Vos Richard Grubenausbau Gmbh | Valve assembly for underground hydraulic systems for mining and tunneling equipment has a filter which separates and retains dirt carried in the hydraulic fluid to be removed for disposal |
| DE202004020798U1 (en) * | 2003-10-20 | 2006-01-26 | Marco Systemanalyse Und Entwicklung Gmbh | Hydraulic valve for use especially underground environments has housing in two interconnected parts, the first accommodating operating device, and second housing a valve cartridge, with especially pilot valve in first part |
-
2006
- 2006-11-14 DE DE102006053630.4A patent/DE102006053630B4/en not_active Expired - Fee Related
-
2007
- 2007-11-09 PL PL383733A patent/PL207266B1/en unknown
- 2007-11-09 CN CN2007101882131A patent/CN101182777B/en not_active Expired - Fee Related
- 2007-11-13 RU RU2007142002/03A patent/RU2362018C1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006053630B4 (en) | 2016-05-19 |
| PL383733A1 (en) | 2008-05-26 |
| DE102006053630A1 (en) | 2008-05-21 |
| CN101182777A (en) | 2008-05-21 |
| PL207266B1 (en) | 2010-11-30 |
| RU2362018C1 (en) | 2009-07-20 |
| RU2007142002A (en) | 2009-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20191109 |