CN108825595A - A kind of hydraulic filter and its replacing options that can replace filter core online - Google Patents
A kind of hydraulic filter and its replacing options that can replace filter core online Download PDFInfo
- Publication number
- CN108825595A CN108825595A CN201810567327.5A CN201810567327A CN108825595A CN 108825595 A CN108825595 A CN 108825595A CN 201810567327 A CN201810567327 A CN 201810567327A CN 108825595 A CN108825595 A CN 108825595A
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- Prior art keywords
- filter
- monotubular
- bit triplet
- solenoid valve
- triplet solenoid
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- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims 2
- 239000003921 oil Substances 0.000 description 15
- 238000001914 filtration Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
- Fluid-Pressure Circuits (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
A kind of hydraulic filter that can replace filter core online, it includes two monotubular filters and monotubular filter in parallel；One two-bit triplet electromagnetism is respectively installed in oil inlet junction, the oil outlet junction of above-mentioned two monotubular filter；One pressure switch is set before the entrance of a two-bit triplet solenoid valve；A pressure switch is arranged in the outlet of another two-bit triplet solenoid valve, and two-bit triplet solenoid valve has one to go out valve port into valve port and two, two goes out valve port and connect respectively with the entrance of monotubular filter and monotubular filter；Two-bit triplet solenoid valve is there are two valve port is gone out into valve port and one, two connect with the outlet of monotubular filter and monotubular filter respectively into valve port, and two-bit triplet solenoid valve includes spool, valve body and electromagnetic coil.The present invention realizes the filter core that blocking is replaced in hydraulic system normal operation and entire filter is repaired in dismounting, avoids manually-operated delay, improves the degree of automation, provides strong backing for the normal work of hydraulic system.
Description
Technical field
The present invention provides a kind of hydraulic filter and its replacing options that can replace filter core online, belongs to shield-tunneling construction neck
Domain.
Background technique
At present one is selecting two monotubular filters when design of Hydraulic System, in each monotubular filter into and out of oil
Mouthful be respectively mounted a manually-operated gate, it can be achieved that in the normal operation of hydraulic system entire filter detachability.But when one
A filter cylinder issues blocking alarm, and operator needs to switch to another filter to on-site manual controlled valve after finding monitoring alarm
Here there is a matter of time in cylinder, if operator, without the alarm of discovery blocking in time, this filter cylinder is also being in work shape
State but can not provide normal filtration to hydraulic system, and the pressure in filter cylinder increases to a certain extent, can also be to mistake
Filter brings different degrees of damage.
Another kind is to select double-drum filter when design of Hydraulic System at present, does not almost consider normally to transport in hydraulic system
Dismounting problem during row, often there is also some potential safety problemss for this, once filter device really breaks down, then and it is necessary
Disassembly and maintenance just be can be carried out by hydraulic system is out of service, the normal work of entire engineering is affected, cause no small economy
Loss.One filter cylinder issues blocking alarm, also needs operator to switch to another filter cylinder to petrol station on-site manual, with two lists
The situation of cylinder filter is the same.
Summary of the invention
The present invention solves above-mentioned technical problem and provides a kind of hydraulic filter and its replacing options that can replace filter core online,
It realizes the filter core that blocking is replaced in hydraulic system normal operation and entire filter is repaired in dismounting, avoids manual operation
Delay, improve the degree of automation, provide strong backing for the normal work of hydraulic system.
The present invention solves the technical solution that technical problem uses：
A kind of hydraulic filter that can replace filter core online, it includes two monotubular filters and monotubular filter in parallel；?
A two-bit triplet electromagnetism is respectively installed in oil inlet junction, the oil outlet junction of above-mentioned two monotubular filter；At one two
One pressure switch is set before the entrance of position-3-way solenoid valve；A pressure switch is arranged in the outlet of another two-bit triplet solenoid valve,
Two-bit triplet solenoid valve has one to go out valve port into valve port and two, two goes out valve port and filters respectively with monotubular filter and monotubular
The entrance of device connects；Two-bit triplet solenoid valve there are two going out valve port into valve port and one, two into valve port respectively with monotubular mistake
Filter is connected with the outlet of monotubular filter, and two-bit triplet solenoid valve includes spool, valve body and electromagnetic coil；There are three spools
Mouthful, when the electromagnetic coil of two-bit triplet solenoid valve obtains electric, the commutation of two-bit triplet solenoid valve, the cutting of original oil circuit, change walk it is another
Oil circuit, the electromagnetic coil of two-bit triplet solenoid valve not it is electric when, spool and the monotubular filter of two-bit triplet solenoid valve are in
The position of connection；When the electromagnetic coil of two-bit triplet solenoid valve obtains electric, the spool of two-bit triplet solenoid valve is in electromagnetic coil
It commutates under magneticaction, oil circuit cutting originally changes and walks another oil circuit, and two-bit triplet valve core of the electromagnetic valve and monotubular filter at this time
Device is in the position of connection, and the electromagnetic coil signal and pressure switch signal of two two-bit triplet solenoid valves are all connected with power control cabinet.
Using the above-mentioned hydraulic filter manual switching method that can replace filter core online, it includes the following steps：
When initialization, monotubular filter working condition is set by the original operating state of two-bit triplet solenoid valve, presses control
The button of starting monotubular filter in panel processed, two-bit triplet solenoid valve electromagnetic coil must not be electric, at this point, two-bit triplet is electric
The position that the spool of magnet valve is connected to monotubular filter, monotubular filter are that hydraulic system is filtered work, monotubular filter
In halted state；
When monotubular filter breaks down during the work time, needs to carry out detachable maintaining, the starting in control panel is pressed
Monotubular filter button, the electromagnetic coil of two-bit triplet solenoid valve obtain electric, two-bit triplet valve core of the electromagnetic valve commutation simultaneously, at this point,
The position that the spool of two-bit triplet solenoid valve is connected to monotubular filter, monotubular filter are that hydraulic system is filtered work,
Monotubular filter stops working, and can carry out at this time in the case where not influencing hydraulic system work completely to monotubular filter
Disassembly movement；
When monotubular filter breaks down during the work time, needs to carry out detachable maintaining, the starting in control panel is pressed
Monotubular filter button, the electromagnetic coil of two-bit triplet solenoid valve must not be electric, and two-bit triplet valve core of the electromagnetic valve is failure to actuate, this
When, the position that the spool of two-bit triplet solenoid valve is connected to monotubular filter, monotubular filter is that hydraulic system is filtered work
Make, monotubular filter stops working, at this time can be in the case where not influencing hydraulic system work completely to monotubular filter
Carry out disassembly movement.
Using the above-mentioned hydraulic filter automatic switching method that can replace filter core online, it includes the following steps：
When initialization, monotubular filter working condition is set by the original operating state of two two-bit triplet solenoid valves, is pressed
Starting monotubular filter button in lower power control cabinet, two-bit triplet solenoid valve electromagnetic coil must not be electric, at this point, two-bit triplet is electric
The position that the spool of magnet valve is connected to monotubular filter, monotubular filter are that hydraulic system is filtered work, monotubular filter
In halted state；
Through after a period of work, monotubular filter inner filter core generates blocking, when the pressure difference value of two pressure switches is beyond pressure
When power warning arranges value, the electromagnetic coil of two-bit triplet solenoid valve obtains electric, two-bit triplet valve core of the electromagnetic valve commutation simultaneously, at this point,
The position that the spool of two-bit triplet solenoid valve is connected to monotubular filter, monotubular filter are that hydraulic system is filtered work,
Monotubular filter stops working, and can carry out at this time in the case where not influencing hydraulic system work completely to monotubular filter
Replace filter core；
Through after a period of work, monotubular filter inner filter core generates blocking, when the pressure difference value of two pressure switches is beyond pressure
When power warning arranges value, power loss, two-bit triplet valve core of the electromagnetic valve reset the electromagnetic coil of two-bit triplet solenoid valve simultaneously, at this point,
The position that the spool of two-bit triplet solenoid valve is connected to monotubular filter, monotubular filter are that hydraulic system is filtered work,
Monotubular filter stops working, and can carry out at this time in the case where not influencing hydraulic system work completely to monotubular filter
Replace filter core.
The above-mentioned hydraulic filter automatic switching method that can replace filter core online, it further includes following steps：It is working
In the case where conditions permit, after automatically switching to the work of monotubular filter, the filter of the monotubular filter of blocking is more finished changing in time
After core, the reset key in control panel is pressed, it can be from new switching monotubular filter work, by upper and lower in control panel
Key can set different pressure differences, realize the artificial setting of pressure alarm.
Beneficial effects of the present invention：
1, of the invention by selecting two monotubular filters in parallel in design of Hydraulic System, while in two monotubular filters
Oil inlet junction, oil outlet junction one two-bit triplet solenoid valve is respectively installed, pass through PLC and calculate front and back pressure switch
Pressure difference, triggering two-bit triplet electromagnetic valve coil obtain it is electric, make two-bit triplet solenoid valve commutation to achieve the purpose that auto-changeover control,
It realizes the filter core for replacing blocking in hydraulic system normal operation and entire filter is repaired in dismounting, avoid manually-operated
Delay property, improves the degree of automation, provides strong backing for the normal work of hydraulic system；
2, the application need to select suitable filter device when designing hydraulic system, with this come the hydraulic oil to flow through in pipeline
It is filtered processing.After a period of work, filter core will appear clogging to hydraulic system, at this moment need to not influence hydraulic system
Switch filtering device in the case where normal work replaces the filter core blocked.On the other hand, it is contemplated that filter device can
Can operation irregularity phenomenon can occur, need to also do not influence hydraulic system work normally in the case where, can smoothly dismantle to its into
The necessary maintenance overhaul of row.
Detailed description of the invention
It is illustrated below in conjunction with attached drawing with embodiment
Fig. 1 is using state structure diagram of the invention.
Specific embodiment
Referring to attached drawing 1, a kind of hydraulic filter that can replace filter core online, it includes two monotubular filters 1 in parallel
With monotubular filter 2；One two three are respectively installed in oil inlet junction, the oil outlet junction of above-mentioned two monotubular filter
Energization magnetic 3,4；One pressure switch 5 is set before the entrance of a two-bit triplet solenoid valve 3；Another two-bit triplet solenoid valve 4
Outlet one pressure switch 6 is set, two-bit triplet solenoid valve 3 has one to go out valve port into valve port and two, two goes out valve port point
It is not connect with the entrance of monotubular filter and monotubular filter；There are two two-bit triplet solenoid valves 4 goes out valve port into valve port and one,
Two connect with the outlet of monotubular filter and monotubular filter respectively into valve port, and two-bit triplet solenoid valve 3,4 includes valve
Core, valve body and electromagnetic coil；There are three mouths for spool, when the electromagnetic coil of two-bit triplet solenoid valve 3 obtains electric, two-bit triplet electromagnetism
Valve commutation, original oil circuit cutting, changes and walks another oil circuit, the electromagnetic coil of two-bit triplet solenoid valve not it is electric when, two-bit triplet
The spool of solenoid valve is in the position being connected to monotubular filter 1；When the electromagnetic coil of two-bit triplet solenoid valve 4 obtains electric, two
The spool of position-3-way solenoid valve commutates under the magneticaction of electromagnetic coil, and oil circuit cutting originally changes and walks another oil circuit, this
When two-bit triplet valve core of the electromagnetic valve and monotubular filter 2 be in the position being connected to, the electromagnetic wire of two two-bit triplet solenoid valves 3,4
Ring signal and pressure switch signal are all connected with power control cabinet.
Using the hydraulic filter manual switching method above-mentioned that can replace filter core online, it includes the following steps：
When initialization, 1 working condition of monotubular filter is set by the original operating state of two-bit triplet solenoid valve 3,4, is pressed
The button of starting monotubular filter in lower control panel, two-bit triplet solenoid valve 3,4 electromagnetic coils must not be electric, at this point, two
The position that the spool of position-3-way solenoid valve 3,4 is connected to monotubular filter 1, monotubular filter 1 are that hydraulic system is filtered work
Make, monotubular filter 2 is in halted state；
When monotubular filter 1 breaks down during the work time, needs to carry out detachable maintaining, the starting in control panel is pressed
2 button of monotubular filter, the electromagnetic coil of two-bit triplet solenoid valve 3,4 obtain electric, two-bit triplet valve core of the electromagnetic valve commutation simultaneously, this
When, the position that the spool of two-bit triplet solenoid valve 3,4 is connected to monotubular filter 2, monotubular filter 2 is that hydraulic system carried out
Work is filtered, monotubular filter 1 stops working, at this time can be in the case where not influencing hydraulic system work completely to monotubular mistake
Filter 1 carries out disassembly movement；
When monotubular filter 2 breaks down during the work time, needs to carry out detachable maintaining, the starting in control panel is pressed
1 button of monotubular filter, the electromagnetic coil of two-bit triplet solenoid valve 3,4 must not be electric, and two-bit triplet valve core of the electromagnetic valve is failure to actuate,
At this point, the position that the spool of two-bit triplet solenoid valve 3,4 is connected to monotubular filter 1, monotubular filter 1 is hydraulic system progress
Filtration, monotubular filter 2 stop working, at this time can be in the case where not influencing hydraulic system work completely to monotubular
Filter 2 carries out disassembly movement.
Using the hydraulic filter automatic switching method above-mentioned that can replace filter core online, it includes the following steps：
When initialization, the work shape of monotubular filter 1 is set by the original operating state of two two-bit triplet solenoid valves 3,4
State presses 1 button of starting monotubular filter in power control cabinet, and two-bit triplet solenoid valve 3,4 electromagnetic coils must not be electric, at this point,
The position that the spool of two-bit triplet solenoid valve 3,4 is connected to monotubular filter 1, monotubular filter 1 are filtered for hydraulic system
Work, monotubular filter 2 are in halted state；
Through after a period of work, 1 inner filter core of monotubular filter generates blocking, when the pressure difference value of two pressure switches 5,6 is super
Out when pressure alarm setting value, the electromagnetic coil of two-bit triplet solenoid valve 3,4 simultaneously must be electric, and two-bit triplet valve core of the electromagnetic valve changes
To at this point, the position that the spool of two-bit triplet solenoid valve 3,4 is connected to monotubular filter 2, monotubular filter 2 is hydraulic system
It is filtered work, monotubular filter 1 stops working, at this time can be right in the case where not influencing hydraulic system work completely
Monotubular filter 1 carries out replacement filter core；
Through after a period of work, 2 inner filter core of monotubular filter generates blocking, when the pressure difference value of two pressure switches 5,6 is super
Out when pressure alarm setting value, power loss, two-bit triplet valve core of the electromagnetic valve are multiple simultaneously for the electromagnetic coil of two-bit triplet solenoid valve 3,4
Position, at this point, the position that the spool of two-bit triplet solenoid valve 3,4 is connected to monotubular filter 1, monotubular filter 1 is hydraulic system
It is filtered work, monotubular filter 2 stops working, at this time can be right in the case where not influencing hydraulic system work completely
Monotubular filter 2 carries out replacement filter core.
Preferably, the hydraulic filter automatic switching method that can replace filter core online, it further includes following steps：
In the case where operating condition allows, after automatically switching to the work of monotubular filter 2, the monotubular filtering of blocking is more finished changing in time
After the filter core of device 1, the reset key in control panel is pressed, can be worked from new switching monotubular filter 1, by control panel
Upper and lower key can set different pressure differences, realize the artificial setting of pressure alarm.
Protection scope of the present invention is not limited to the above embodiments, it is clear that those skilled in the art can be to this hair
It is bright to carry out various changes and deformation without departing from scope and spirit of the present invention.If these changes and deformation belong to power of the present invention
In the range of benefit requirement and its equivalent technologies, then including the intent of the present invention also includes these changes and deforms.
Claims (4)
1. the hydraulic filter that one kind can replace filter core online, it is characterised in that：It includes two monotubular filters in parallel（1）
With monotubular filter（2）；One two are respectively installed in oil inlet junction, the oil outlet junction of above-mentioned two monotubular filter
Threeway electromagnetism（3,4）；One pressure switch is set before the entrance of a two-bit triplet solenoid valve (3)（5）；Another two-bit triplet
A pressure switch is arranged in the outlet of solenoid valve (4)（6）, two-bit triplet solenoid valve（3）There is one to go out valve port into valve port and two,
Two go out valve port and connect respectively with the entrance of monotubular filter and monotubular filter；Two-bit triplet solenoid valve（4）There are two into valve
Mouth goes out valve port with one, two connect with the outlet of monotubular filter and monotubular filter respectively into valve port, two-bit triplet electricity
Magnet valve（3,4）It include spool, valve body and electromagnetic coil；There are three mouths for spool, when two-bit triplet solenoid valve（3）Electromagnetic coil
When obtaining electric, two-bit triplet solenoid valve commutation, original oil circuit cutting changes and walks another oil circuit, the electromagnetic wire of two-bit triplet solenoid valve
Circle not it is electric when, the spool of two-bit triplet solenoid valve and monotubular filter（1）Position in connection；When two-bit triplet solenoid valve
（4）Electromagnetic coil when obtaining electric, the spool of two-bit triplet solenoid valve commutates under the magneticaction of electromagnetic coil, oil circuit originally
Cutting, changes and walks another oil circuit, at this time two-bit triplet valve core of the electromagnetic valve and monotubular filter（2）Position in connection, two
Two-bit triplet solenoid valve（3,4）Electromagnetic coil signal and pressure switch signal be all connected with power control cabinet.
2. utilizing the hydraulic filter manual switching method that can replace filter core online described in claim 1, it is characterised in that：It
Include the following steps：
When initialization, by two-bit triplet solenoid valve（3,4）Original operating state be set as monotubular filter（1）Work shape
State presses the button of the starting monotubular filter in control panel, two-bit triplet solenoid valve（3,4）Electromagnetic coil must not be electric,
At this point, two-bit triplet solenoid valve（3,4）Spool and monotubular filter（1）The position of connection, monotubular filter（1）For hydraulic pressure system
System is filtered work, monotubular filter（2）In halted state；
When monotubular filter（1）It breaks down during the work time, when needing to carry out detachable maintaining, presses opening in control panel
Dynamic monotubular filter（2）Button, two-bit triplet solenoid valve（3,4）Electromagnetic coil simultaneously electric, two-bit triplet valve core of the electromagnetic valve
Commutation, at this point, two-bit triplet solenoid valve（3,4）Spool and monotubular filter（2）The position of connection, monotubular filter（2）For
Hydraulic system is filtered work, monotubular filter（1）It stops working, hydraulic system work can not influenced completely at this time
In the case where to monotubular filter（1）Carry out disassembly movement；
When monotubular filter（2）It breaks down during the work time, when needing to carry out detachable maintaining, presses opening in control panel
Dynamic monotubular filter（1）Button, two-bit triplet solenoid valve（3,4）Electromagnetic coil must not electricity, two-bit triplet valve core of the electromagnetic valve
It is failure to actuate, at this point, two-bit triplet solenoid valve（3,4）Spool and monotubular filter（1）The position of connection, monotubular filter（1）
Work, monotubular filter are filtered for hydraulic system（2）It stops working, hydraulic system work can not influenced completely at this time
To monotubular filter in the case where work（2）Carry out disassembly movement.
3. utilizing the hydraulic filter automatic switching method that can replace filter core online described in claim 1, it is characterised in that：It
Include the following steps：
When initialization, by two two-bit triplet solenoid valves（3,4）Original operating state be set as monotubular filter（1）Work
State presses the starting monotubular filter in power control cabinet（1）Button, two-bit triplet solenoid valve（3,4）Electromagnetic coil must not be electric,
At this point, two-bit triplet solenoid valve（3,4）Spool and monotubular filter（1）The position of connection, monotubular filter（1）For hydraulic pressure system
System is filtered work, monotubular filter（2）In halted state；
Through after a period of work, monotubular filter（1）Inner filter core generates blocking, when two pressure switches（5,6）Pressure difference
When value is beyond pressure alarm setting value, two-bit triplet solenoid valve（3,4）Electromagnetic coil simultaneously electric, two-bit triplet solenoid valve valve
Core commutation, at this point, two-bit triplet solenoid valve（3,4）Spool and monotubular filter（2）The position of connection, monotubular filter（2）
Work, monotubular filter are filtered for hydraulic system（1）It stops working, hydraulic system work can not influenced completely at this time
To monotubular filter in the case where work（1）Carry out replacement filter core；
Through after a period of work, monotubular filter（2）Inner filter core generates blocking, when two pressure switches（5,6）Pressure difference
When value is beyond pressure alarm setting value, two-bit triplet solenoid valve（3,4）Electromagnetic coil simultaneously power loss, two-bit triplet solenoid valve valve
Core resets, at this point, two-bit triplet solenoid valve（3,4）Spool and monotubular filter（1）The position of connection, monotubular filter（1）
Work, monotubular filter are filtered for hydraulic system（2）It stops working, hydraulic system work can not influenced completely at this time
To monotubular filter in the case where work（2）Carry out replacement filter core.
4. the hydraulic filter automatic switching method according to claim 3 that filter core can be replaced online, it is characterised in that：It
It further include following steps：In the case where operating condition allows, when automatically switching to monotubular filter（2）After work, in time more
Finish changing the monotubular filter of blocking（1）Filter core after, press the reset key in control panel, can be from new switching monotubular filter
（1）Work, can set different pressure differences by the upper and lower key in control panel, realize the artificial setting of pressure alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567327.5A CN108825595A (en) | 2018-06-05 | 2018-06-05 | A kind of hydraulic filter and its replacing options that can replace filter core online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567327.5A CN108825595A (en) | 2018-06-05 | 2018-06-05 | A kind of hydraulic filter and its replacing options that can replace filter core online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825595A true CN108825595A (en) | 2018-11-16 |
Family
ID=64143754
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810567327.5A Pending CN108825595A (en) | 2018-06-05 | 2018-06-05 | A kind of hydraulic filter and its replacing options that can replace filter core online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825595A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219861A (en) * | 2019-06-18 | 2019-09-10 | 湖南三一港口设备有限公司 | Filter is reversely connected alarm system and reversal connection alarm circuit |
| CN111085033A (en) * | 2019-12-29 | 2020-05-01 | 西安昊池环保工程有限公司 | Parallel type lubricating oil fine filtration method based on overpressure conduction valve |
| CN112833069A (en) * | 2020-12-31 | 2021-05-25 | 沈小荣 | Intelligent hydraulic valve with liquid impurity separation function and use method thereof |
| CN114382748A (en) * | 2022-01-25 | 2022-04-22 | 南通油顺液压机械有限公司 | Hydraulic station with cooling system |
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| CN204735006U (en) * | 2015-04-27 | 2015-11-04 | 宝钢不锈钢有限公司 | Filter is switched to pair of back flush on line |
| CN204865215U (en) * | 2015-08-25 | 2015-12-16 | 上海威纳工程技术有限公司 | Two online automatic switching control equipment of single filter |
| CN209586857U (en) * | 2018-06-05 | 2019-11-05 | 辽宁三三工业有限公司 | A kind of hydraulic filter that can replace filter core online |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202478713U (en) * | 2012-02-17 | 2012-10-10 | 宝山钢铁股份有限公司 | Switchable filter for hydraulic oil container |
| CN204735006U (en) * | 2015-04-27 | 2015-11-04 | 宝钢不锈钢有限公司 | Filter is switched to pair of back flush on line |
| CN204865215U (en) * | 2015-08-25 | 2015-12-16 | 上海威纳工程技术有限公司 | Two online automatic switching control equipment of single filter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219861A (en) * | 2019-06-18 | 2019-09-10 | 湖南三一港口设备有限公司 | Filter is reversely connected alarm system and reversal connection alarm circuit |
| CN110219861B (en) * | 2019-06-18 | 2021-05-28 | 三一海洋重工有限公司 | Filter reverse connection alarm system and reverse connection alarm loop |
| CN111085033A (en) * | 2019-12-29 | 2020-05-01 | 西安昊池环保工程有限公司 | Parallel type lubricating oil fine filtration method based on overpressure conduction valve |
| CN112833069A (en) * | 2020-12-31 | 2021-05-25 | 沈小荣 | Intelligent hydraulic valve with liquid impurity separation function and use method thereof |
| CN112833069B (en) * | 2020-12-31 | 2023-12-08 | 沈小荣 | Intelligent hydraulic valve with liquid impurity separation function and use method thereof |
| CN114382748A (en) * | 2022-01-25 | 2022-04-22 | 南通油顺液压机械有限公司 | Hydraulic station with cooling system |
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