CN209138112U - High-pressure backwash filter - Google Patents
High-pressure backwash filter Download PDFInfo
- Publication number
- CN209138112U CN209138112U CN201821311595.2U CN201821311595U CN209138112U CN 209138112 U CN209138112 U CN 209138112U CN 201821311595 U CN201821311595 U CN 201821311595U CN 209138112 U CN209138112 U CN 209138112U
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- control valve
- pressure
- filter assemblies
- pilot valve
- sewage draining
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- 230000000712 assembly Effects 0.000 claims abstract description 82
- 238000000429 assembly Methods 0.000 claims abstract description 82
- 239000010865 sewage Substances 0.000 claims abstract description 46
- 239000010720 hydraulic oil Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 5
- 239000010883 coal ash Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of high-pressure backwash filter, including shell and is set to the first filter assemblies, the second filter assemblies, the first control valve, the second control valve, the first driving assembly, the second driving assembly, the first blowdown component and the second blowdown component of interior of shell；Entrance, outlet, the first sewage draining exit and the second sewage draining exit are offered on shell；One end of first filter assemblies is connect by the first control valve with entrance and the first sewage draining exit, the other end and outlet；The first filter assemblies are connected to entrance when first control valve resets；The first filter assemblies are connected to the first sewage draining exit when the first control valve events, meanwhile, the driving of the first driving assembly is set to the first blowdown component movement of the first sewage draining exit, and the first sewage draining exit is connected.Above scheme can realize the automatic cleaning of filter assemblies, guarantee the continuous service of hydraulic system.
Description
Technical field
The utility model relates to filtration arts, and in particular to a kind of high-pressure backwash filter.
Background technique
The hydraulic system that underground coal mine comprehensive mining hydraulic bracket uses is located at the higher high pollution areas of underground coal ash, hydraulic
The emulsion tank in system source easily by coal ash dust pollution, these coal ash dust cause each sealing element of hydraulic system it is non-just
Often abrasion, causes hydraulic system unit time internal fault to take place frequently, the normal work of serious image underground.High pressure filter is a kind of
For retaining the filter device of pollutant in hydraulic system, this filter can filter out the pollution such as coal ash, dust in hydraulic oil
Object guarantees the cleannes of hydraulic oil.
When hydraulic system after a period of work, filter can be contaminated object blocking, and hydraulic system can be because of feed flow at this time
Insufficient and cisco unity malfunction, therefore, it is necessary to stop mining pump work, disassembly filter cleans filter core therein, clearly
It installs and works on again after washing.This cleaning way can make entire hydraulic system stop working, to the safety under mine
Production brings hidden danger, therefore needs a kind of filter of energy on-line auto-cleaning.
Summary of the invention
The utility model aims to solve the problem that in the prior art, when cleaning filter needs that entire hydraulic system is made to stop working,
The problem of bringing hidden danger to the safety in production under mine.
To solve the above problems, the utility model provides a kind of high-pressure backwash filter, including shell and it is set to
The first filter assemblies, the second filter assemblies, the first control valve, the second control valve, the first driving assembly, of the interior of shell
Two driving assemblies, the first blowdown component and the second blowdown component；Wherein:
Entrance, outlet, the first sewage draining exit and the second sewage draining exit are offered on the shell；
First filter assemblies, one end are connected by first control valve and the entrance and first sewage draining exit
It connects, the other end and the outlet；First filter assemblies described in when first control valve resets are connected to the entrance；Institute
First filter assemblies described in when stating the first control valve events are connected to first sewage draining exit, meanwhile, first driving assembly
Driving is set to the first blowdown component movement of first sewage draining exit, and first sewage draining exit is connected；
Second filter assemblies, one end are connected by second control valve and the entrance and second sewage draining exit
It connects, the other end and the outlet；Second filter assemblies described in when second control valve resets are connected to the entrance, institute
Second filter assemblies described in when stating the second control valve events are connected to first sewage draining exit, meanwhile, second driving assembly
Driving is set to the second blowdown component movement of second sewage draining exit, and the second sewage draining exit is connected.
Optionally, high-pressure backwash filter described above further includes pilot valve, in which:
Liquid outlet is also provided with go back on the shell；
The control terminal of first control valve, first driving assembly, the control terminal of second control valve and institute
State the second driving assembly, by the pilot valve with described time liquid outlet connection and when the pilot valve is resetted with described time
Liquid outlet；
The other end of second filter assemblies passes through the control terminal of the pilot valve and first control valve and described
First driving assembly connection and the connection when the spool of the pilot valve is adjusted to first position, make first control valve and
The first driving assembly movement；
The other end of first filter assemblies passes through the control terminal of the pilot valve and second control valve and described
Second driving assembly is connected and is connected when the spool of the pilot valve is located at the second place, makes second control valve and institute
State the movement of the second driving assembly.
Optionally, in high-pressure backwash filter described above, first driving assembly includes:
First sliding cavity and the first rotation chamber being connected to first sliding cavity；
First hydraulic pipeline is set on the side far from the first rotation chamber in first sliding cavity and opens up thereon
There is the first oilhole, one end is connected to the pilot valve, and the other end is connected to the control terminal of first control valve；
First sliding shoe, through first sliding cavity and the first rotation chamber setting, and can be along first sliding
Chamber sliding；It, which is located at the top of the position in the first rotation chamber, is vertically installed with first connecting rod；
First rotating block is located in the first rotation chamber, and the first rotating hole, second rotation are formed in one end
Hole is socketed on the first connecting rod；
First rotation axis is located in the first rotation chamber, is arranged perpendicular to first rotating block, one end and institute
It states the first rotating block to be fixedly connected, the other end is connect with the first blowdown component；
When the spool of the pilot valve is located at first position, first hydraulic pipeline passes through the pilot valve and institute
The conducting of the second filter assemblies is stated, hydraulic oil is full of first sliding cavity by first oilhole, makes first sliding part
To the first rotation chamber sliding, the first rotating block rotation is driven, first rotating block drives first rotation axis
Rotation, the first blowdown component are opened under the drive of first rotation axis.
Optionally, in high-pressure backwash filter described above, second driving assembly includes:
Second sliding cavity and the second rotation chamber being connected to second sliding cavity；
Second hydraulic pipeline is set on the side far from the second rotation chamber in second sliding cavity, opens thereon
Equipped with the second oilhole, one end is connected to the pilot valve, and the other end is connected to the control terminal of second control valve；
The second sliding shoe, through second sliding cavity and the second rotation chamber setting, and can be along second sliding
Chamber sliding；It, which is located at the top of the position in the second rotation chamber, is vertically installed with the second connecting rod；
Second rotating block is located in the second rotation chamber, and the second rotating hole, second rotation are formed in one end
Hole is socketed in second connecting rod；
Second rotation axis is located in the second rotation chamber, is arranged perpendicular to second rotating block, one end and institute
It states the second rotating block to be fixedly connected, the other end is connect with the second blowdown component；
When the spool of the pilot valve is located at the second place, second hydraulic pipeline passes through the pilot valve and institute
The conducting of the first filter assemblies is stated, hydraulic oil is full of second sliding cavity by second oilhole, makes second sliding part
To the second rotation chamber sliding, the second rotating block rotation is driven, second rotating block drives second rotation axis
Rotation, the second blowdown component are opened under the drive of second rotation axis.
Optionally, in high-pressure backwash filter described above:
The bottom of first sliding cavity and/or the molding of the bottom of second sliding cavity are fluted.
Optionally, in high-pressure backwash filter described above:
The first limiting slot is formed in the first rotation chamber；The top of first sliding shoe also forms the first limit
Bar, first gag lever post are located in first limiting slot, slide first sliding shoe along first limiting slot；
The second limiting slot is formed in the second rotation chamber；The top of the second sliding shoe also forms the second limit
Bar, second gag lever post are located in second limiting slot, slide the second sliding shoe along second limiting slot.
Optionally, in high-pressure backwash filter described above:
Rubber is provided on the outer wall of first sliding shoe bottom and/or on the outer wall of the second sliding shoe bottom
Circle.
Optionally, in high-pressure backwash filter described above:
The first blowdown component and the second blowdown component are steel ball, form open slot on the steel ball.
Optionally, high-pressure backwash filter described above further include:
First pressure switch, is set to the inside of first filter assemblies, the pressure inside first filter assemblies
When the powerful setup pressure value switched in the first pressure, the first pressure is closed the switch；
The pilot valve includes first coil, and one end of the first coil is switched and electricity of powering by the first pressure
The one end in source connects, and the other end of the first coil is connect with the other end of the power supply；When the first pressure is opened
It closes when closing, the first coil is connected with the power supply, the effect of the spool of the pilot valve in the first coil
Under be moved at the first position.
Optionally, in high-pressure backwash filter described above further include:
Second pressure switch, is set to the inside of second filter assemblies, the pressure inside second filter assemblies
When the powerful setup pressure value switched in the second pressure, the second pressure is closed the switch；
The pilot valve includes the second coil, and one end of second coil passes through second pressure switch and the confession
One end of power supply connects, and the other end of second coil is connect with the other end of the power supply；When second pressure
When power closes the switch, second coil is connected with the power supply, and the spool of the pilot valve is in second coil
The second place is moved under effect.
High-pressure backwash filter described in the utility model is controlled by the first control valve of setting, the second control valve
The trend of hydraulic oil is completed by the first driving assembly of setting, the second driving assembly, the first blowdown component and the second blowdown component
The open or close of sewage draining exit completes the backwash of the first filter assemblies or the second filter assemblies, while backwash, still
It so can guarantee the supply of hydraulic oil, thus ensure that the production of underground without stopping entire hydraulic system when washing and filtering component
Safety.
Detailed description of the invention
Fig. 1 is the top view of high-pressure backwash filter described in the utility model one embodiment.
Fig. 2 is the partial sectional view of high-pressure backwash filter described in the utility model one embodiment.
Fig. 3 is the hydraulic schematic diagram of high-pressure backwash filter described in the utility model one embodiment.
Fig. 4 is the cross-sectional view of driving mechanism in high-pressure backwash filter described in the utility model one embodiment.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present embodiment provides a kind of high-pressure backwash filter, including shell 100 with
And it is set to the first filter assemblies 200, the second filter assemblies 300, the control of the first control valve 400, second inside the shell 100
Valve 500, the first driving assembly 600, the second driving assembly 700, the first blowdown component 800 and the second blowdown component processed, wherein the
Two blowdown components indicate not in the drawings.Wherein, the first filter assemblies 200 and the second filter assemblies 300 are used to filter hydraulic oil,
Filter assemblies common on the market can be used in the two, such as the two may each comprise tubular element cylinder, be inserted in above filter core cylinder
Filter cartridge seat, the filter core plug being inserted in below filter core cylinder and the filter core being set in filter core cylinder are placed on the filter core more
A through-hole.Entrance 103, the 104, first sewage draining exit 101 of outlet and the second sewage draining exit 102 are provided on the shell 100.Filtering
When, as shown in figure 3, first control valve 400 and second control valve 500 reset, first filter assemblies 200
One end is connected to by first control valve 400 with the entrance 103, and the other end is connected to the outlet 104.Described second
One end of filter assemblies 300 is connected to by second control valve 500 with the entrance 103, and the other end and the outlet 104 connect
It is logical.When filtering, the hydraulic oil is divided into two-way after entering 100 inside of shell from entrance 103, all the way through the first control valve 400
Enter the first filter assemblies 200 afterwards to be filtered, filtered hydraulic oil is through 104 outflow of outlet；Another way is through the second control valve
Enter the second filter assemblies 300 after 500 to be filtered, filtered hydraulic oil is through 104 outflow of outlet.
When the first filter assemblies 200 block, when need to rinse the first filter assemblies 200, first control valve 400 is dynamic
Make, is connected to one end of first filter assemblies 200 with first sewage draining exit 101 by first control valve 400.Together
When, first driving assembly 600 acts, and makes the first blowdown component 800 movement for being set to first sewage draining exit 101, institute
State the conducting of the first sewage draining exit 101.Specifically, since the second control valve 500 is in reset state, the first control valve 400 is acted, because
After this described hydraulic oil enters 100 inside of shell by the entrance 103, only it can enter the second mistake through the second control valve 500
Filter component 300, after be divided into two-way after the other end of the second filter assemblies 300, all the way from outlet 104 flow out, another way from
The other end of first filter assemblies 200 enters inside first filter assemblies 200, recoils to the first filter assemblies 200
It washes, the pollutant after backwash is discharged after passing through the first control valve 400 from the first sewage draining exit 101.
When the second filter assemblies 300 block, when needing to rinse the second filter assemblies 300, second control valve 500
Movement is connected to one end of second filter assemblies 300 with second sewage draining exit 102 by second control valve 500；
Meanwhile second driving assembly 700 acts, and makes the second blowdown component movement for being set to second sewage draining exit 102, makes
The conducting of second sewage draining exit 102.Specifically, since the first control valve 400 is in reset state, the second control valve 500 is acted, because
After this described hydraulic oil enters 100 inside of shell by the entrance 103, only it can enter the first mistake through the first control valve 400
Filter component 200, after be divided into two-way after the other end of the first filter assemblies 200, all the way from outlet 104 flow out, another way from
The other end of second filter assemblies 300 enters inside second filter assemblies 300, recoils to the second filter assemblies 300
It washes, the pollutant after backwash is discharged after passing through the second control valve 500 from the second sewage draining exit 102.
High-pressure backwash filter described in the present embodiment, by setting the first control valve 400, the second control valve 500 come
The trend for controlling hydraulic oil passes through the first driving assembly 600 of setting, the second driving assembly 700, the first blowdown component 800 and the
Two blowdown components complete the open or close of sewage draining exit, complete the recoil of the first filter assemblies 200 or the second filter assemblies 300
It washes, while backwash, still can guarantee the supply of hydraulic oil, thus without stopping entire hydraulic pressure system when washing and filtering component
System, ensure that the production safety of underground.
Generally, first control valve 400, the second control valve 500, the first driving assembly 600, the second driving assembly
700 can be used manual or hydraulic-driven device.The present embodiment uses fluid pressure drive device, and automatic using pilot valve 800
Control the first control valve 400, the second control valve 500, the first driving assembly 600 and the second driving assembly 700 auto-action and
It resets.Specifically, liquid outlet 105 is offered go back on the shell 100, the pilot valve 800 is the valve of Y type 3-position 4-way,
Including four ports, the company of the other end of the other end and the second filter assemblies 300 of first port and the first filter assemblies 200
Logical, second port is connected to liquid outlet 105 is gone back to, the control terminal and the first driving group of third port and the first control valve 400
Part 600 is connected to, and the 4th port is connected to the control terminal of the second control valve 500 and the second driving assembly 700.
Specifically, as shown in figure 3, when pilot valve 800 is located at reset state, second port, its third port and its
The connection of 4th port, the i.e. control terminal of the first control valve 400, the control terminal of the second control valve 500, the first driving assembly 600, the
Two driving assemblies 700 are connected to by the pilot valve 800 with liquid outlet 105 is gone back to, and the first control valve 400, the second control valve are made
500, the first driving assembly 600, the second driving assembly 700 are located at reset state.
As shown in figure 3, when the spool of pilot valve 800 is adjusted to first position, the first port of the pilot valve 800
It is connected with third port, second port is connected with the 4th port, and the other end of second filter assemblies 300 passes through the guide
Valve 800 is connected to the control terminal of first control valve 400 and first driving assembly 600, makes first control valve 400
It is acted with first driving assembly 600, i.e., hydraulic oil is flowed out from the other end of the second filter assemblies 300, passes through pilot valve 800
First port, enter first control valve 400 after third port control terminal and first driving assembly 600, work as institute
When stating hydraulic oil and increasing, pressure increases in pipeline, push first control valve 400 control terminal and first driving assembly
600 movements.And the control terminal of the second control valve 500 and the second driving assembly 700 are connected by pilot valve 800 with liquid outlet 105 is gone back to
It is logical, thus it is in reset state.
As shown in figure 3, when the spool of pilot valve 800 is adjusted to the second place, the first port of the pilot valve 800
It is connected with the 4th port, second port is connected with third port, and the other end of first filter assemblies 200 passes through the guide
Valve 800 is connected to the control terminal of second control valve 500 and second driving assembly 700, makes second control valve 500
It is acted with second driving assembly 700, i.e., hydraulic oil is flowed out from the other end of the first filter assemblies 200, passes through pilot valve 800
First port, enter second control valve 500 behind the 4th port control terminal and second driving assembly 700, work as institute
When stating hydraulic oil and increasing, pressure increases in pipeline, push second control valve 500 control terminal and second driving assembly
700 movements.And the control terminal of the first control valve 400 and the first driving assembly 600 are connected by pilot valve 800 with liquid outlet 104 is gone back to
It is logical, thus it is in reset state.
First driving assembly 600 and second driving assembly 700 are mechanical structure.Specifically, such as Fig. 4 institute
Show, first driving assembly 600 includes that the first sliding cavity 602, first rotates chamber 603, the first hydraulic pipeline 601, first is slided
Motion block 604, the first rotating block 606 and the first rotation axis 607, first sliding cavity 602 and the first rotation chamber 603 connect
Logical, first hydraulic pipeline 601 is set on the side far from the first rotation chamber 603 in first sliding cavity 602,
The first oilhole, one end of first hydraulic pipeline 601 and the pilot valve 800 are offered on first hydraulic pipeline 601
Third port connection, the other end is connected to the control terminal of the first control valve 400.First sliding shoe 604 then runs through described first
Sliding cavity 602 and the first rotation chamber 603 are arranged, and can slide along the first sliding cavity 602, and the first sliding shoe 604 is upper
First connecting rod 605 is vertically installed at the top of position in the first rotation chamber 603.First rotating block 606 is located at institute
It states in the first rotation chamber 603, the first rotating hole is formed in one end, first rotating hole is socketed in the first connecting rod
On 605.First rotation axis 607 is located in the first rotation chamber 603, is arranged perpendicular to first rotating block 606, first
One end of rotation axis 607 is fixedly connected with first rotating block 606, and the other end is connect with the first blowdown component 800.Work as institute
When stating the spool of pilot valve 800 and being located at first position, first hydraulic pipeline 601 by the pilot valve 800 with it is described
The conducting of second filter assemblies 300, hydraulic oil are full of first sliding cavity 602 by first oilhole, make described first to slide
Moving part is slided to the first rotation chamber 603, drives first rotating block 606 to rotate, first rotating block 606 drives
First rotation axis 607 rotates, and the first blowdown component 800 is opened under the drive of first rotation axis 607.
Second driving assembly 700 includes the second sliding cavity 702, second rotation chamber 703, the second hydraulic pipeline 701, the
Two sliding shoes 704, the second rotating block 706 and the second rotation axis 707, second sliding cavity 702 and the second rotation chamber 703
Connection, second hydraulic pipeline 701 are set to the side far from the second rotation chamber 703 in second sliding cavity 702
On, the second oilhole, one end of second hydraulic pipeline 701 and the pilot valve are offered on second hydraulic pipeline 701
800 third port connection, the other end are connected to the control terminal of the second control valve 500.The second sliding shoe 704 is then through described the
Two sliding cavities 702 and the second rotation chamber 703 are arranged, and can slide along the second sliding cavity 702, on the second sliding shoe 704
The second connecting rod 705 is vertically installed at the top of the part in the second rotation chamber 703.Second rotating block 706 is located at
In the second rotation chamber 703, the second rotating hole is formed in one end, second rotating hole is socketed in second connection
On bar 705.Second rotation axis 707 is located in the second rotation chamber 703, is arranged perpendicular to second rotating block 706, the
One end of two rotation axis 707 is fixedly connected with second rotating block 706, and the other end is connect with the second blowdown component.When described
When the spool of pilot valve 800 is located at the second place, second hydraulic pipeline 701 passes through the pilot valve 800 and described the
The conducting of one filter assemblies 200, hydraulic oil are full of second sliding cavity 702 by second oilhole, make second sliding
Part is slided to the second rotation chamber 703, drives second rotating block 706 to rotate, second rotating block 706 drives described
The rotation of second rotation axis 707, the second blowdown component are opened under the drive of second rotation axis 707.
In above scheme, the bottom of the bottom of first sliding cavity 602 and/or second sliding cavity 702 is formed
Groove.The groove is used to accommodate the hydraulic oil being detained, and prevents the first sliding shoe 604 and/or the second sliding shoe 704 from can not arrive
Up to the bottom of sliding cavity, and image is to the closure of the first blowdown component 800 and/or the second blowdown component.In addition, described first
The first limiting slot 608 is formed in rotation chamber 603, the top of first sliding block forms the first gag lever post, first limit
Position bar is located in first limiting slot 608, slides first sliding shoe 604 along first sliding groove, to prevent the
The derailing of one sliding shoe 604.Likewise, the second limiting slot 708 is formed in the second rotation chamber 703, second sliding
The top of block 704 also forms the second gag lever post, and second gag lever post is located in second limiting slot 708, makes described
Two sliding shoes 704 are slided along second limiting slot 708.On the outer wall of first sliding shoe, 604 bottom and/or described
Rubber ring is provided on the outer wall of two sliding shoes, 704 bottom.The setting of the rubber ring can avoid hydraulic oil along the first sliding
Chamber 602 is flowed into the first rotation chamber 603 or is flowed into the second rotation chamber 703 along the second sliding cavity 702.
In above scheme, the first blowdown component 800 and the second blowdown component are steel ball, are formed on the steel ball
Open slot.When steel ball rotation, open slot is parallel with the first sewage draining exit 101 or the second sewage draining exit 102, makes the first sewage draining exit 101
Or second sewage draining exit 102 open；When steel ball resets, open slot perpendicular to the first sewage draining exit 101 or the second sewage draining exit 102, with
Close the first sewage draining exit 101 or the second sewage draining exit 102.
In above scheme, the pilot valve 800 can also pass through automatically controlled control by Mechanical course.If passing through automatically controlled control
System, above scheme further include first pressure switch, and the first pressure switch is set to the inside of the first filter assemblies 200, when
When pressure inside first filter assemblies 200 is greater than the setup pressure value of first pressure switch, the first pressure
It closes the switch.The pilot valve 800 includes first coil, and one end of the first coil is switched and supplied by the first pressure
One end of power supply connects, and the other end of the first coil is connect with the other end of the power supply.When first pressure
When power closes the switch, the first coil is connected with the power supply, and the spool of the pilot valve 800 is in the first coil
Under the action of be moved at the first position.When flushing finishes, the pressure inside first filter assemblies 200 reduces,
Disconnect first pressure switch, after first pressure, which switchs, to be disconnected, first coil and power supply are disconnected, the valve of pilot valve 800
Core resets.
In the same manner, second pressure switch is additionally provided in the second filter assemblies 300, when second filter assemblies 300
When internal pressure is greater than the setup pressure value of second pressure switch, the second pressure is closed the switch.The pilot valve
800 further include the second coil, one end that one end of second coil passes through second pressure switch and the power supply
Connection, the other end of second coil are connect with the other end of the power supply；When the second pressure closes the switch,
Second coil is connected with the power supply, and the spool of the pilot valve 800 moves under the action of second coil
To the second place.When flushing finishes, the pressure inside second filter assemblies 300 reduces, and opens second pressure
Shutdown is opened, and after second pressure, which switchs, to be disconnected, the second coil and power supply are disconnected, the valve core reset of pilot valve 800.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of high-pressure backwash filter, which is characterized in that including shell and be set to the first mistake of the interior of shell
Filter component, the second filter assemblies, the first control valve, the second control valve, the first driving assembly, the second driving assembly, the first blowdown
Component and the second blowdown component；Wherein:
Entrance, outlet, the first sewage draining exit and the second sewage draining exit are offered on the shell；
First filter assemblies, one end are connect by first control valve with the entrance and first sewage draining exit,
The other end and the outlet；First filter assemblies described in when first control valve resets are connected to the entrance；It is described
First filter assemblies described in when the first control valve events are connected to first sewage draining exit, meanwhile, first driving assembly drives
Dynamic the first blowdown component movement for being set to first sewage draining exit, is connected first sewage draining exit；
Second filter assemblies, one end are connect by second control valve with the entrance and second sewage draining exit,
The other end and the outlet；Second filter assemblies described in when second control valve resets are connected to the entrance, described
Second filter assemblies described in when the second control valve events are connected to second sewage draining exit, meanwhile, second driving assembly drives
Dynamic the second blowdown component movement for being set to second sewage draining exit, is connected the second sewage draining exit.
2. high-pressure backwash filter according to claim 1, which is characterized in that further include pilot valve, in which:
Liquid outlet is also provided with go back on the shell；
The control terminal of first control valve, first driving assembly, the control terminal of second control valve and described
Two driving assemblies are gone out with described time liquid outlet connection and in pilot valve reset with described time liquid by the pilot valve
Mouth connection；
The control terminal and described first that the other end of second filter assemblies passes through the pilot valve and first control valve
Driving assembly connection and the connection when the spool of the pilot valve is adjusted to first position, make first control valve and described
The movement of first driving assembly；
The control terminal and described second that the other end of first filter assemblies passes through the pilot valve and second control valve
Driving assembly, which connects, to be simultaneously connected when the spool of the pilot valve is located at the second place, and second control valve and described the are made
The movement of two driving assemblies.
3. high-pressure backwash filter according to claim 2, which is characterized in that first driving assembly includes:
First sliding cavity and the first rotation chamber being connected to first sliding cavity；
First hydraulic pipeline is set on the side far from the first rotation chamber in first sliding cavity；It offers thereon
First oilhole；One end is connected to the pilot valve, and the other end is connected to the control terminal of first control valve；
First sliding shoe, through first sliding cavity and the first rotation chamber setting, and can be sliding along first sliding cavity
It is dynamic；It, which is located at the top of the position in the first rotation chamber, is vertically installed with first connecting rod；
First rotating block is located in the first rotation chamber, the first rotating hole, the first rotating hole set is formed in one end
It connects on the first connecting rod；
First rotation axis is located in the first rotation chamber, is arranged perpendicular to first rotating block, one end and described the
One rotating block is fixedly connected, and the other end is connect with the first blowdown component；
When the spool of the pilot valve is located at first position, first hydraulic pipeline passes through the pilot valve and described the
The conducting of two filter assemblies, hydraulic oil are full of first sliding cavity by first oilhole, make first sliding shoe to institute
The sliding of the first rotation chamber to be stated, the first rotating block rotation is driven, first rotating block drives the first rotation axis rotation,
The first blowdown component is opened under the drive of first rotation axis.
4. high-pressure backwash filter according to claim 3, which is characterized in that second driving assembly includes:
Second sliding cavity and the second rotation chamber being connected to second sliding cavity；
Second hydraulic pipeline is set on the side far from the second rotation chamber in second sliding cavity, offers thereon
Second oilhole, one end are connected to the pilot valve, and the other end is connected to the control terminal of second control valve；
The second sliding shoe, through second sliding cavity and the second rotation chamber setting, and can be sliding along second sliding cavity
It is dynamic；It, which is located at the top of the position in the second rotation chamber, is vertically installed with the second connecting rod；
Second rotating block is located in the second rotation chamber, the second rotating hole, the second rotating hole set is formed in one end
It connects in second connecting rod；
Second rotation axis is located in the second rotation chamber, is arranged perpendicular to second rotating block, one end and described the
Two rotating blocks are fixedly connected, and the other end is connect with the second blowdown component；
When the spool of the pilot valve is located at the second place, second hydraulic pipeline passes through the pilot valve and described the
The conducting of one filter assemblies, hydraulic oil are full of second sliding cavity by second oilhole, make the second sliding shoe to institute
The sliding of the second rotation chamber to be stated, the second rotating block rotation is driven, second rotating block drives the second rotation axis rotation,
The second blowdown component is opened under the drive of second rotation axis.
5. high-pressure backwash filter according to claim 4, it is characterised in that:
The bottom of first sliding cavity and/or the molding of the bottom of second sliding cavity are fluted.
6. high-pressure backwash filter according to claim 5, it is characterised in that:
The first limiting slot is formed in the first rotation chamber；The top of first sliding shoe also forms the first gag lever post,
First gag lever post is located in first limiting slot, slides first sliding shoe along first limiting slot；
The second limiting slot is formed in the second rotation chamber；The top of the second sliding shoe also forms the second gag lever post,
Second gag lever post is located in second limiting slot, slides the second sliding shoe along second limiting slot.
7. high-pressure backwash filter according to claim 6, it is characterised in that:
Rubber ring is provided on the outer wall of first sliding shoe bottom and/or on the outer wall of the second sliding shoe bottom.
8. high-pressure backwash filter according to claim 7, it is characterised in that:
The first blowdown component and the second blowdown component are steel ball, form open slot on the steel ball.
9. according to the described in any item high-pressure backwash filters of claim 2-8, which is characterized in that further include:
First pressure switch, is set to the inside of first filter assemblies, the pressure inside first filter assemblies is big
When the setup pressure value of first pressure switch, the first pressure is closed the switch；
The pilot valve includes first coil, and one end of the first coil passes through first pressure switch and power supply
One end connection, the other end of the first coil are connect with the other end of the power supply；When first pressure switch closes
When conjunction, the first coil is connected with the power supply, and the spool of the pilot valve moves under the action of the first coil
It moves to the first position.
10. high-pressure backwash filter according to claim 9, which is characterized in that further include:
Second pressure switch, is set to the inside of second filter assemblies, the pressure inside second filter assemblies is big
When the setup pressure value of second pressure switch, the second pressure is closed the switch；
The pilot valve includes the second coil, and one end of second coil passes through second pressure switch and the power supply electricity
The one end in source connects, and the other end of second coil is connect with the other end of the power supply；When the second pressure is opened
It closes when closing, second coil is connected with the power supply, the effect of the spool of the pilot valve in second coil
Under be moved to the second place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311595.2U CN209138112U (en) | 2018-08-14 | 2018-08-14 | High-pressure backwash filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311595.2U CN209138112U (en) | 2018-08-14 | 2018-08-14 | High-pressure backwash filter |
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| Publication Number | Publication Date |
|---|---|
| CN209138112U true CN209138112U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311595.2U Active CN209138112U (en) | 2018-08-14 | 2018-08-14 | High-pressure backwash filter |
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| Country | Link |
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| CN (1) | CN209138112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828061A (en) * | 2021-10-18 | 2021-12-24 | 北京格洛博机械设备有限公司 | High-pressure backwashing filter station |
| CN116255398A (en) * | 2023-05-09 | 2023-06-13 | 江苏领臣精密机械有限公司 | Static pressure rotary table device |
-
2018
- 2018-08-14 CN CN201821311595.2U patent/CN209138112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828061A (en) * | 2021-10-18 | 2021-12-24 | 北京格洛博机械设备有限公司 | High-pressure backwashing filter station |
| CN116255398A (en) * | 2023-05-09 | 2023-06-13 | 江苏领臣精密机械有限公司 | Static pressure rotary table device |
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