CN112983703B - Fuel oil filtering device for petroleum machinery - Google Patents

Fuel oil filtering device for petroleum machinery Download PDF

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Publication number
CN112983703B
CN112983703B CN202110408485.8A CN202110408485A CN112983703B CN 112983703 B CN112983703 B CN 112983703B CN 202110408485 A CN202110408485 A CN 202110408485A CN 112983703 B CN112983703 B CN 112983703B
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fixedly connected
liquid
ball
bag
piston
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CN202110408485.8A
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CN112983703A (en
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王铁军
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Shandong Transport Vocational College
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • 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
    • B01D29/01—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 flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/34—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/44—Filters structurally associated with pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/52—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements using magnetic means

Abstract

The invention discloses a fuel oil filtering device for petroleum machinery, which comprises a cylindrical box body, wherein the upper wall of the box body is connected with a power shaft in a penetrating and rotating manner, and the part of the power shaft, which is positioned in the box body, is fixedly connected with an inclined table; the bottom fixedly connected with of box is a plurality of baffles, and is a plurality of the baffle is cut apart into a clean liquid bucket that is located the middle part and is located piston bucket all around with the lower extreme of box, the bottom of piston bucket is connected with the feed liquor pipe, the bottom intercommunication of clean liquid bucket has the liquid delivery pipe. Has the advantages that: when the corresponding controller moves to the position near the permanent magnet in the rotating process of the blades, the movable electric connecting piece is pushed under the action of magnetic force and is separated from the fixed electric connecting piece, the metal spring is powered off and extends under the action of the elasticity of the metal spring, so that the liquid in the liquid bag is pumped back to the bag cavity by the relaxation of the bag ball, and the blades scrape the filter screen, so that impurities on the filter screen are scraped and adsorbed in the dirt collecting net.

Description

Fuel oil filtering device for petroleum machinery
Technical Field
The invention relates to the technical field of fuel oil filtration, in particular to a fuel oil filtration device for petroleum machinery.
Background
The fuel oil filtering device has the functions of preventing particulate matters, water and impurities in fuel oil, ensuring that precise parts of a fuel oil system are prevented from being abraded and other damages, is important equipment in petroleum machinery, and along with the development of economy and the wide development and application of people to petroleum, the fuel oil filter enables the oil price to be quickly heated and the environment to be degraded, so that how to save energy and protect environment and reduce the carbon emission amount becomes a non-negligible point, and the research of the fuel oil filter is a non-negligible link in the petroleum machinery;
in order to better enable the fuel of the petroleum machinery to be purer, a fuel filtering device of the petroleum machinery is further provided; the fuel oil filtering device of the existing petroleum machinery is simple in structure, the filter screen part device is not convenient to clean, the filter screen needs to be manually cleaned frequently in the actual use process, and if the filter screen is not cleaned in time, the blockage of the filter screen is easy to occur, so that the fuel oil is not supplied enough.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a fuel oil filtering device for petroleum machinery.
In order to achieve the purpose, the invention adopts the following technical scheme: a fuel oil filtering device for petroleum machinery comprises a cylindrical box body, wherein the upper wall of the box body is connected with a power shaft in a penetrating and rotating mode, and the part, located in the box body, of the power shaft is fixedly connected with an inclined table;
the bottom of the box body is fixedly connected with a plurality of partition plates, the lower end of the box body is divided into a liquid purifying barrel positioned in the middle and piston barrels positioned on the periphery by the partition plates, the bottom of the piston barrel is connected with a liquid inlet pipe, and the bottom of the liquid purifying barrel is communicated with a liquid sending pipe;
the piston barrel and the inclined platform are provided with a liquid pumping device together; and a filtering device is arranged in the piston barrel.
In foretell fuel oil filter for oil machinery, the pump liquid device includes the piston plate, piston plate sliding connection is at the piston bucket inner wall, the top fixedly connected with push rod of piston plate, the top and the sloping platform of push rod offset, the top fixedly connected with reset spring of piston plate, reset spring's upper end and the interior roof of piston bucket offset and fixed connection.
In foretell a fuel filter for petroleum machinery, filter equipment includes the filter screen, the lateral wall that the piston bucket is close to clean liquid bucket has seted up the filtrating hole, filter screen fixed connection is downthehole at filtrating, the intraductal fixed connection of feed liquor has power component.
In the fuel oil filtering device for the petroleum machinery, the power assembly comprises an impeller, the impeller is arranged at the joint of the liquid inlet pipe and the piston barrel, a worm is fixedly connected to a middle shaft of the impeller, the worm is meshed with a worm wheel, a rotating shaft is fixedly connected to the axis of the worm wheel, and a plurality of blades are arranged on the rotating shaft.
In foretell a fuel filter for petroleum machinery, blade department is provided with carries out clear clean subassembly to the filter screen, it all is provided with a rubber ball to be located each filtrate hole department inside the liquid purification bucket, a plurality of through-holes have been seted up to the lateral wall of rubber ball.
In the fuel oil filtering device for the petroleum machinery, the blades are positioned at the edge of the filtrate hole, a one-way liquid inlet valve is arranged in the through hole of each rubber ball, and the one-way liquid inlet valve only allows liquid to flow out of the ball through the rubber ball in one way.
In foretell fuel filter for petroleum machinery, clean subassembly includes a plurality of dirty nets of collection, dirty net fixed connection of collection is on each blade, the pore has been seted up on the blade, the embedded liquid bag that is equipped with of pore, a bag ball of fixedly connected with on the blade, the bag ball is hollow structure, and a metal spring of its inside fixedly connected with, metal spring's one end and blade lateral wall fixed connection, metal spring's the other end and bag ball's roof fixed connection, bag ball intercommunication has a siphunculus, siphunculus and liquid bag intercommunication.
In foretell fuel filter for petroleum machinery, clean subassembly includes a plurality of dirty nets of collection, dirty net fixed connection of collection is on each blade, the pore has been seted up on the blade, the embedded liquid bag that is equipped with of pore, a bag ball of fixedly connected with on the blade, the bag ball is hollow structure, and a metal spring of its inside fixedly connected with, metal spring's one end and blade lateral wall fixed connection, metal spring's the other end and bag ball's roof fixed connection, bag ball intercommunication has a siphunculus, siphunculus and liquid bag intercommunication.
In foretell fuel oil filter for petroleum machinery, the control chamber is square cavity, fixed electric connecting piece of fixedly connected with in the control chamber, tensioning spring of the positive relative lateral wall fixedly connected with of fixed electric connecting piece in the control chamber, movable electric connecting piece of fixedly connected with on the tensioning spring, permanent magnet of lateral part fixedly connected with of filter screen.
In the fuel oil filtering device for the petroleum machinery, the bottom of the power shaft penetrates into the liquid purifying barrel and is coaxially and fixedly connected with a rubber rod, the bottom of the rubber rod is fixedly connected with a knocking ball, and the knocking ball and the rubber ball are positioned on the same plane.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, an external power device drives the power shaft to rotate, so that the power shaft drives the inclined table to rotate, and in the rotating process of the inclined table, the lower wall of the inclined table is in an up-and-down motion state relative to the push rod, so that the push rod reciprocates under the action of the return spring to further drive the piston plate to move up and down, fuel oil flows into the piston barrel through the liquid inlet pipe when the piston plate moves up, and otherwise, the fuel oil flows into the liquid purification barrel through the filter screen when the piston plate moves down, so that the fuel oil can be filtered;
2. in the invention, liquid flowing in the liquid inlet pipe drives the impeller to rotate, the impeller drives the blades to rotate, and in the rotating process of the blades, when the corresponding controller moves to the position near the permanent magnet, the movable electric connecting piece is pushed under the action of magnetic force and can be separated from the fixed electric connecting piece, and at the moment, the metal spring is powered off and extends under the self elastic action of the metal spring, so that the sac ball is expanded and enlarged, the liquid in the liquid sac is pumped back to the sac cavity, at the moment, the corresponding blades just rotate to the filter screen, scrape the filter screen, and further scrape impurities on the filter screen and are adsorbed in the sewage collection screen, thereby avoiding more impurities from being accumulated on the filter screen, and further avoiding the influence on the oil supply effect caused by excessive impurities on the filter screen.
Drawings
FIG. 1 is a schematic structural view of a fuel filter assembly for a petroleum machine according to the present invention;
FIG. 2 is an enlarged schematic view of a portion A of a fuel filter device for a petroleum machine according to the present invention;
FIG. 3 is a schematic structural view of a vane portion of a fuel filter for a petroleum machine according to the present invention;
FIG. 4 is an enlarged schematic view of a vane portion of a fuel filter for a petroleum machine according to the present invention;
FIG. 5 is an enlarged view of a control chamber portion of a fuel filter apparatus for a petroleum machine according to the present invention.
In the figure: the device comprises a box body 1, a power shaft 2, an inclined table 3, a push rod 4, a partition plate 5, a liquid purification barrel 6, a piston barrel 7, a liquid inlet pipe 8, a liquid delivery pipe 9, a piston plate 10, a return spring 11, a filter screen 12, an impeller 13, a worm 14, a worm wheel 15, a rotating shaft 16, a blade 17, a permanent magnet 18, a control cavity 19, a dirt collecting net 20, plate holes 21, a liquid bag 22, a bag ball 23, a metal spring 24, a through pipe 25, a fixed electric connecting piece 26, a movable electric connecting piece 27, a tensioning spring 28, a rubber rod 29, a knocking ball 30, a rubber ball 31 and a one-way liquid inlet valve 32.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, a fuel oil filtering device for petroleum machinery comprises a cylindrical box body 1, wherein the upper wall of the box body 1 is connected with a power shaft 2 in a penetrating and rotating mode, the part, located in the box body 1, of the power shaft 2 is fixedly connected with an inclined platform 3, the inclined platform 3 is obtained by obliquely cutting off the inclined part of the cylindrical structure, the lower surface of the inclined platform is inclined, and the push rod 4 can move up and down through the rotation of the inclined platform;
the bottom of the box body 1 is fixedly connected with a plurality of partition plates 5, the lower end of the box body 1 is divided into a liquid purifying barrel 6 positioned in the middle and a piston barrel 7 positioned on the periphery by the plurality of partition plates 5, the piston barrel 7 and the liquid purifying barrel 6 are matched to generate enough filtering effect on fuel, the bottom of the piston barrel 7 is connected with a liquid inlet pipe 8, the liquid inlet pipe 8 is communicated with the fuel tank, the liquid inlet pipe 8 extends to the bottom of the fuel tank, it is worth explaining that a one-way valve which only allows one-way flow to the piston barrel 7 is arranged in the liquid inlet pipe 8, the bottom of the liquid purifying barrel 6 is communicated with a liquid delivery pipe 9, and the liquid inlet pipe 9 is communicated with a fuel supply end of an external engine and used for directly supplying fuel to the engine;
the piston barrel 7 and the sloping platform 3 are provided with a liquid pumping device together; the liquid pumping device comprises a piston plate 10, the piston plate 10 is connected to the inner wall of a piston barrel 7 in a sliding mode, a push rod 4 is fixedly connected to the top of the piston plate 10, the top of the push rod 4 abuts against an inclined table 3, a return spring 11 is fixedly connected to the top of the piston plate 10, and the upper end of the return spring 11 abuts against and is fixedly connected with the inner top wall of the piston barrel 7.
Be provided with filter equipment in the piston bucket 7, filter equipment includes filter screen 12, and the lateral wall that piston bucket 7 is close to clean liquid bucket 6 has seted up the filtrate hole, and filter screen 12 filters the impurity in the fuel, and filter screen 12 fixed connection is downthehole at the filtrate, and fixed connection has power component in the feed liquor pipe 8, and power component provides power and can clean filter screen 12, avoids impurity to pile up on filter screen 12.
The power component comprises an impeller 13, the impeller 13 is arranged at the connecting part of the liquid inlet pipe 8 and the piston barrel 7, a worm 14 is fixedly connected with a middle shaft of the impeller 13, the worm 14 is meshed with a worm wheel 15, a rotating shaft 16 is fixedly connected with the axis of the worm wheel 15, a plurality of blades 17 are arranged on the rotating shaft 16, when liquid flows in the liquid inlet pipe 8, the liquid drives the impeller 13 to rotate, the impeller 13 drives the coaxial worm 14 to rotate, the worm 14 drives the worm wheel 15 to rotate through the meshing effect, and the worm wheel 15 drives the coaxial blades 17 to rotate so as to clean the filter screen 12.
A cleaning component for cleaning the filter screen 12 is arranged at the position of the blade 17, a rubber ball 31 is arranged at each filtrate hole in the liquid purifying barrel 6, and a plurality of through holes are formed in the side wall of each rubber ball 31; the blade 17 is located the edge of filtrating hole, all is provided with a one-way feed liquor valve 32 in the through-hole of every rubber ball 31, and one-way feed liquor valve 32 only allows liquid one-way through rubber ball 31 inside outside the ball.
Clean subassembly includes a plurality of dirty nets 20 of collection, dirty net 20 fixed connection of collection is on each blade 17, pore 21 has been seted up on the blade 17, the embedded liquid bag 22 that is equipped with of pore 21, a capsule ball 23 of fixedly connected with on the blade 17, capsule ball 23 is hollow structure, and a metal spring 24 of its inside fixedly connected with, metal spring 24's one end and blade 17 lateral wall fixed connection, metal spring 24's the other end and the roof fixed connection of capsule ball 23, capsule ball 23 intercommunication has a siphunculus 25, siphunculus 25 and liquid bag 22 intercommunication.
The liquid bag 22 is a strip-shaped hollow soft bag body, the top of the blade 17 is provided with a control cavity 19 for controlling the liquid bag 22 to stretch, when the control cavity 19 is far away from the permanent magnet 18, a movable electric connection piece 27 in the control cavity abuts against a fixed electric connection piece 26, at the moment, the metal spring 24, the fixed electric connection piece 26 and the movable electric connection piece 27 are communicated, so that the metal spring 24 is in a power-on state, each circle of metal of the metal spring 24 generates a magnetic field in the same direction, the metal spring 24 is contracted due to the mutual attraction in the same direction, further, more fluid in the bag ball 23 is extruded into the liquid bag 22, the liquid bag 22 extends to block the column plate hole 21, and impurities accumulated in the dirt collecting net 20 cannot move to the outside; the control cavity 19 is a square cavity, a fixed electric connection piece 26 is fixedly connected in the control cavity 19, a tensioning spring 28 is fixedly connected on the side wall opposite to the front face of the fixed electric connection piece 26 in the control cavity 19, a movable electric connection piece 27 is fixedly connected on the tensioning spring 28, and a permanent magnet 18 is fixedly connected on the side portion of the filter screen 12.
The bottom of the power shaft 2 penetrates into the liquid purifying barrel 6 and is coaxially and fixedly connected with a rubber rod 29, the bottom of the rubber rod 29 is fixedly connected with a knocking ball 30, the knocking ball 30 and the rubber ball 31 are positioned on the same plane, the rubber rod 29 in the invention can be bent to a certain degree, and the device of the invention inevitably shakes along with the action of the working environment during the use process, such as: vehicle brake, cross the hole etc. then can make rubber pole 29 produce the bending when the shake, rotate under the effect of power shaft 2 simultaneously, and then produce the striking with each rubber ball 31 to make the interior liquid of rubber ball 31 receive obvious extrusion in the short time, and then flow to in the piston bucket 7 through filter screen 12, thereby make liquid produce the back flush effect to filter screen 12 and avoid can't be scraped stubborn impurity of blade 17 to accumulate on filter screen 12.
According to the invention, an external power device drives the power shaft 2 to rotate so as to drive the inclined table 3 to rotate, and in the rotating process of the inclined table 3, the lower wall of the inclined table is in a vertical motion state relative to the push rod 4, so that the push rod 4 reciprocates under the action of the return spring 11, and further drives the piston plate 10 to move vertically, when the piston plate 10 moves upwards, fuel oil flows into the piston barrel 7 through the liquid inlet pipe 8, and otherwise, when the piston plate 10 moves downwards, the fuel oil flows into the liquid purifying barrel 6 through the filter screen 12.
When the piston plate 10 moves upwards, the liquid flowing in the liquid inlet pipe 8 drives the impeller 13 to rotate, the impeller 13 drives the blades 17 to rotate, in the rotating process of the blades 17, when the corresponding controller 19 moves to a position near the permanent magnet 18, the movable electric connecting piece 27 is pushed under the action of magnetic force and can be separated from the fixed electric connecting piece 26, at the moment, the metal spring 24 is powered off and extends under the action of the elasticity of the metal spring 24, so that the bag ball 23 is expanded and enlarged, the liquid in the liquid bag 22 is pumped back to the bag cavity 23, at the moment, the corresponding blades 17 just rotate to the position of the filter screen 12, the blades 17 scrape the filter screen 12, impurities on the filter screen 12 are scraped and are adsorbed in the dirt collecting net 20, and the phenomenon that more impurities are accumulated on the filter screen 12 to cause the excessive impurities on the filter screen 12 to influence the oil supply effect is avoided.
Although the terms of the box body 1, the power shaft 2, the inclined table 3, the push rod 4, the partition plate 5, the liquid cleaning barrel 6, the piston barrel 7, the liquid inlet pipe 8, the liquid feeding pipe 9, the piston plate 10, the return spring 11, the filter screen 12, the impeller 13, the worm 14, the worm wheel 15, the rotating shaft 16, the blades 17, the permanent magnet 18, the control cavity 19, the dirt collecting net 20, the plate hole 21, the liquid bag 22, the bag ball 23, the metal spring 24, the through pipe 25, the fixed electric connecting piece 26, the movable electric connecting piece 27, the tension spring 28, the rubber rod 29, the knocking ball 30, the rubber ball 31, the one-way liquid inlet valve 32 and the like are used more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (5)

1. A fuel oil filtering device for petroleum machinery comprises a cylindrical box body (1) and is characterized in that the upper wall of the box body (1) is connected with a power shaft (2) in a penetrating and rotating mode, and the part, located in the box body (1), of the power shaft (2) is fixedly connected with an inclined table (3);
the bottom of the box body (1) is fixedly connected with a plurality of partition plates (5), the lower end of the box body (1) is divided into a liquid purifying barrel (6) positioned in the middle and piston barrels (7) positioned on the periphery by the plurality of partition plates (5), the bottom of each piston barrel (7) is connected with a liquid inlet pipe (8), and the bottom of each liquid purifying barrel (6) is communicated with a liquid feeding pipe (9);
the piston barrel (7) and the inclined platform (3) are provided with a liquid pumping device together; a filtering device is arranged in the piston barrel (7);
the liquid pumping device comprises a piston plate (10), the piston plate (10) is connected to the inner wall of a piston barrel (7) in a sliding mode, a push rod (4) is fixedly connected to the top of the piston plate (10), the top of the push rod (4) abuts against an inclined table (3), a return spring (11) is fixedly connected to the top of the piston plate (10), and the upper end of the return spring (11) abuts against and is fixedly connected with the inner top wall of the piston barrel (7);
the filter device comprises a filter screen (12), a filtrate hole is formed in the side wall, close to the liquid purification barrel (6), of the piston barrel (7), the filter screen (12) is fixedly connected in the filtrate hole, and a power assembly is fixedly connected in the liquid inlet pipe (8);
the power assembly comprises an impeller (13), the impeller (13) is arranged at the joint of the liquid inlet pipe (8) and the piston barrel (7), a worm (14) is fixedly connected to the middle shaft of the impeller (13), the worm (14) is meshed with a worm wheel (15), a rotating shaft (16) is fixedly connected to the axis of the worm wheel (15), and a plurality of blades (17) are arranged on the rotating shaft (16);
a cleaning assembly for cleaning the filter screen (12) is arranged at the position of the blade (17), a rubber ball (31) is arranged at each filtrate hole in the liquid purification barrel (6), and a plurality of through holes are formed in the side wall of each rubber ball (31);
the blades (17) are positioned at the edge of the filtrate hole, a one-way liquid inlet valve (32) is arranged in the through hole of each rubber ball (31), and the one-way liquid inlet valve (32) only allows liquid to flow outside the ball through the rubber ball (31) in one way.
2. The fuel oil filtering device for the petroleum machinery as recited in claim 1, wherein the cleaning assembly comprises a plurality of dirt collecting nets (20), the dirt collecting nets (20) are fixedly connected to each blade (17), a plate hole (21) is formed in each blade (17), a liquid bag (22) is embedded in each plate hole (21), a bag ball (23) is fixedly connected to each blade (17), each bag ball (23) is of a hollow structure, a metal spring (24) is fixedly connected to the inside of each bag ball (23), one end of each metal spring (24) is fixedly connected to the side wall of each blade (17), the other end of each metal spring (24) is fixedly connected to the top wall of each bag ball (23), each bag ball (23) is communicated with a through pipe (25), and each through pipe (25) is communicated with the liquid bag (22).
3. The fuel filter device for the petroleum machinery as claimed in claim 2, wherein the liquid bag (22) is an elongated and hollow soft bag body, and the top of the vane (17) is provided with a control cavity (19) for controlling the liquid bag (22) to stretch and retract.
4. A fuel filter device for petroleum machinery according to claim 3, wherein the control chamber (19) is a square chamber, a fixed electric connecting piece (26) is fixedly connected in the control chamber (19), a tension spring (28) is fixedly connected to the side wall of the control chamber (19) opposite to the fixed electric connecting piece (26), a movable electric connecting piece (27) is fixedly connected to the tension spring (28), and a permanent magnet (18) is fixedly connected to the side part of the filter screen (12).
5. The fuel filter device for the petroleum machinery as recited in claim 1, wherein the bottom of the power shaft (2) penetrates into the liquid purifying barrel (6) and is fixedly connected with a rubber rod (29) coaxially, the bottom of the rubber rod (29) is fixedly connected with a knocking ball (30), and the knocking ball (30) and the rubber ball (31) are positioned on the same plane.
CN202110408485.8A 2021-04-16 2021-04-16 Fuel oil filtering device for petroleum machinery Active CN112983703B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202110408485.8A CN112983703B (en) 2021-04-16 2021-04-16 Fuel oil filtering device for petroleum machinery

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CN112983703A CN112983703A (en) 2021-06-18
CN112983703B true CN112983703B (en) 2021-08-06

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