CN111637102B - Multi-way self-cleaning oil tank and sump oil filtering method - Google Patents
Multi-way self-cleaning oil tank and sump oil filtering method Download PDFInfo
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- CN111637102B CN111637102B CN202010476348.3A CN202010476348A CN111637102B CN 111637102 B CN111637102 B CN 111637102B CN 202010476348 A CN202010476348 A CN 202010476348A CN 111637102 B CN111637102 B CN 111637102B
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- oil
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- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A multi-way self-cleaning oil tank and a dirty oil filtering method comprise an oil tank, an oil pumping pipe, an automatic exhaust valve, an oil return pipe and an electric heater, a vertical first clapboard is arranged in the oil tank, the oil tank is divided into a clean oil cavity and a dirty oil cavity by the first clapboard, the oil pumping pipe and the oil return pipe are respectively communicated with the clean oil cavity and the dirty oil cavity, a baffle plate parallel to the first clapboard is fixedly arranged in the oil purifying cavity at one side of the first clapboard, the baffle plate is in transmission connection with the push plate through a telescopic mechanism, a plurality of cylinder sleeves are arranged on the oil tank, the lower ends of the cylinder sleeves are communicated with the oil tank, the upper ends of the cylinder sleeves are communicated with the atmosphere, a piston is arranged in each cylinder sleeve, the piston is in transmission connection with a telescopic mechanism through a piston rod, a plurality of oil scraping pipes are fixedly connected on the first partition plate, two ends of each oil scraping pipe are respectively communicated with the clean oil cavity and the dirty oil cavity, and a filter net pipe is arranged in each oil scraping pipe, and one end of each filter net pipe is fixedly connected with the push plate. The invention can automatically filter oil stain, reduce the replacement frequency of the filter element and reduce the probability of impurities entering the oil tank.
Description
Technical Field
The invention relates to a multi-way self-cleaning oil tank and a sump oil filtering method.
Background
The hydraulic oil tank is an important component of a hydraulic system, the hydraulic oil tank plays roles of heat dissipation, separation of bubbles in oil, foam elimination, impurity precipitation and the like in the hydraulic system besides oil storage, scrap iron, rubber, floccules and the like are generated by abrasion of a hydraulic element in the use process of the oil tank, and dust brought by a breather valve of the oil tank is removed, the impurities are mainly filtered by an oil tank filter, when the oil tank faces a highly polluted environment or the running-in period of the hydraulic system, the replacement frequency of a filter element is increased, on one hand, the maintenance cost is increased, and on the other hand, the impurities are brought into the hydraulic oil tank in the process of replacing the filter element.
Disclosure of Invention
The invention aims to provide a multi-way self-cleaning oil tank and a sump oil filtering method, which can reduce the replacement frequency of a filter element and reduce the probability of impurities entering the oil tank.
In order to solve the above problems, the technical solution to be solved by the present invention is:
the utility model provides a multipath automatically cleaning oil tank, includes the oil tank, takes out oil pipe, air relief valve, returns oil pipe and electric heater, is equipped with vertical first baffle in the oil tank, separates into clean oil chamber and sump oil chamber with the oil tank by first baffle, takes out oil pipe and returns oil pipe and switches on clean oil chamber and sump oil chamber respectively, at the fixed baffle parallel with first baffle that is equipped with in first baffle one side clean oil chamber, the baffle passes through telescopic machanism and is connected with the push pedal transmission, installs a plurality of cylinder liners on the oil tank, and the cylinder liner lower extreme communicates with the oil tank, and the cylinder liner upper end communicates the atmosphere, all is equipped with the piston in each cylinder liner, and the piston passes through the piston rod to be connected with telescopic machanism transmission, and fixedly connected with a plurality of oil pipes of scraping on first baffle scrape oil pipe both ends respectively with clean oil chamber and sump oil chamber intercommunication, all is equipped with in each oil pipe of scraping, and each filters network pipe one end and all with push pedal fixed connection.
The lower end of the sump oil cavity is fixedly provided with a second clapboard, the sump oil cavity is divided into an upper cavity and a lower cavity by the second clapboard, and a plurality of first strip-shaped holes are sequentially arranged and punched on the second clapboard.
One end of the first strip-shaped hole is provided with a section of downward bend left by stamping, and the included angle between the bend and the bottom surface of the oil tank is less than 80 degrees.
Be equipped with the slide on the second baffle surface, seted up a plurality of second bar holes on the slide, slide one end is through many push rods and push pedal fixed connection, and the push pedal passes through the push rod and promotes second bar hole and coincide or stagger with first bar hole, electric heater sets up at intracavity down, installs the glass observation window on lower chamber one side oil tank.
The sliding plate is hinged to the inner wall of the oil tank at the end far away from the push rod, the idler wheels are mounted at one end of the axle rod, the hinge shaft of the inner wall of the oil tank hinged to the axle rod is provided with a torsion spring, and the torsion spring pushes the idler wheels to abut against the sliding plate.
And angle steel is fixedly connected to the sliding plate between two adjacent second strip-shaped holes.
The upper end of the cylinder sleeve is communicated with a bent pipe, the pipe orifice at one end of the bent pipe faces downwards, the top of the cylinder sleeve is provided with a through hole, a rubber plug is inserted into the through hole, and the top surface of the piston is provided with a threaded hole.
The invention has the beneficial effects that: the cylinder sleeve and the piston are used for replacing a breather valve on the existing hydraulic oil tank, so that the oil tank is completely separated from the outside, external dust is effectively prevented from entering the hydraulic oil tank, in addition, impurities adsorbed on the filter net pipe are cleaned in the process that the piston moves up and down along with the pressure change of the oil tank, the filter net pipe can keep the filtering effect for a long time, the burden of a fine filter of the oil pumping pipe is reduced, and the replacement frequency of a filter element of the fine filter is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic cross-sectional view of the present invention,
FIG. 2 is a schematic cross-sectional view taken along line A-A in FIG. 1,
FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1,
figure 4 is a schematic cross-sectional view at C-C in figure 1,
figure 5 is a schematic view of a portion of the structure at D in figure 1,
fig. 6 is a partially enlarged schematic view of a portion E in fig. 1.
In the figure: the oil pump comprises an oil tank 1, a fine filter 2, an oil pumping pipe 3, an automatic exhaust valve 4, a bent pipe 5, a cylinder sleeve 6, a rubber plug 7, a piston 8, a piston rod 9, a telescopic mechanism 10, a push plate 11, a first partition plate 12, an oil scraping pipe 13, a sewage cavity 14, an oil return pipe 15, a sliding plate 16, angle steel 17, a shaft rod 18, a roller 19, an electric heater 20, a bend 21, a glass observation window 22, a first strip-shaped hole 23, a second partition plate 24, a filter net pipe 25, a baffle plate 26, a clean oil cavity 27, a push rod 28, a second strip-shaped hole 29 and a lip-shaped sealing ring 30.
Detailed Description
As shown in figures 1 to 6, a multi-way self-cleaning oil tank comprises an oil tank 1, an oil pumping pipe 3, an automatic exhaust valve 4, an oil return pipe 15 and an electric heater 20, wherein a first partition plate 12 is vertically and fixedly arranged in the oil tank 1, the oil tank 1 is divided into a clean oil cavity 27 and a dirty oil cavity 14 by the first partition plate 12, the oil pumping pipe 3 and the oil return pipe 15 are respectively communicated with the clean oil cavity 27 and the dirty oil cavity 14, a baffle plate 26 parallel to the first partition plate 12 is fixedly arranged in the clean oil cavity 27 on one side of the first partition plate 12, the baffle plate 26 is in transmission connection with a push plate 11 through a telescopic mechanism 10, the telescopic mechanism 10 adopts a shear type telescopic mechanism 10, two cylinder sleeves 6 are arranged on the oil tank 1, the lower ends of the cylinder sleeves 6 are communicated with the oil tank 1, the upper ends of the cylinder sleeves 6 are communicated with the atmosphere, a piston 8 and a piston rod 9 are arranged in each cylinder sleeve 6, the upper end of the piston rod 9 is fixedly connected with the piston 8, the lower end of the piston rod 9 is connected with a sliding shaft in the shear type telescopic mechanism 10, the first partition plate 12 is fixedly connected with a plurality of oil scraping pipes 13, two ends of each oil scraping pipe 13 are respectively communicated with the clean oil cavity 27 and the dirty oil cavity 14, each oil scraping pipe 13 is internally provided with a filter net pipe 25, one end of each filter net pipe 25 is fixedly connected with the push plate 11, and the filter net pipes 25 and the oil scraping pipes 13 are sealed through lip-shaped sealing rings 30.
The working process of the invention is as follows: the cylinder sleeve 6 and the piston 8 are used for replacing a breather valve on the hydraulic oil tank 1, the automatic exhaust valve 4 is used for maintaining the pressure of the hydraulic oil tank 1 within a preset range, and the air pressure in the hydraulic oil tank 1 changes along with the inlet and outlet of hydraulic oil in the hydraulic oil tank 1, for example: when the oil pumping pipe 3 pumps hydraulic oil, the air pressure of the upper layer of the hydraulic oil is reduced, so that the piston 8 descends, and meanwhile, the hydraulic oil in the sewage oil chamber 14 enters the clean oil chamber 27 through each filter net pipe 25; when the oil return pipe 15 sends oil into the dirty oil cavity 14, the air pressure of the upper layer of hydraulic oil in the hydraulic oil tank 1 is increased, so that the air pushes the piston 8 to move upwards, further, the piston 8 moves up and down, in the process that the piston 8 moves up and down, the piston 8 drives the filter net pipe 25 to move back and forth in the oil scraping pipe 13 through the scissor type telescopic mechanism 10, impurities adsorbed on the filter net pipe 25 are scraped by the oil scraping pipe 13, and the impurities can be deposited in the dirty oil cavity 14, and after the hydraulic oil is primarily filtered by the filter net pipe 25, the filtering burden of the fine filter 2 on the oil pumping pipe 3 can be greatly reduced; on the other hand, the cylinder sleeve 6 and the piston 8 are used for replacing a breather valve on the existing hydraulic oil tank 1, so that the oil tank 1 is completely separated from the outside, and external dust is effectively prevented from entering the hydraulic oil tank 1.
The lower end of the dirty oil cavity 14 is fixedly provided with a second partition plate 24, the dirty oil cavity 14 is divided into an upper cavity and a lower cavity by the second partition plate 24, a plurality of first strip-shaped holes 23 are sequentially arranged and punched on the second partition plate 24, one end of each first strip-shaped hole 23 is provided with a downward bend 21 left by one section of punching, and the included angle between the bend 21 and the bottom surface of the oil tank 1 is smaller than 80 degrees.
The impurities scraped from the filter screen pipe 25 are precipitated at the bottom of the lower cavity through the first strip-shaped holes 23, and because the included angle between each bent part 21 and the bottom surface of the oil tank 1 is less than 80 degrees, each bent part 21 forms an inclined plate precipitation structure, so that the precipitation effect of the impurities is improved, and the probability that the impurities deposited at the bottom of the lower cavity return to the sewage cavity 14 due to the disturbance of hydraulic oil is reduced.
Be equipped with slide 16 on the 24 surface of second baffle, seted up a plurality of second bar holes 29 on slide 16, slide 16 one end is through many push rods 28 and push pedal 11 fixed connection, and push pedal 11 promotes second bar hole 29 and first bar hole 23 coincidence or stagger through push rod 28, electric heater 20 sets up in the lower chamber, installs glass observation window 22 on lower chamber one side oil tank 1.
When the glass observation window 22 is used for observing that impurities are precipitated to a certain degree and dirty hydraulic oil in the lower cavity needs to be removed, the piston 8 can be pulled to the position above the cylinder sleeve 6, so that the second strip-shaped hole 29 and the first strip-shaped hole 23 in the push plate 11 are staggered, the first strip-shaped hole 23 is sealed, then the glass observation window 22 is detached, the dirty hydraulic oil in the lower cavity is discharged, and therefore the removal of the dirty hydraulic oil can be achieved under the condition that hydraulic oil in the hydraulic oil tank 1 is drained.
A plurality of shaft levers 18 are hinged on the inner wall of the oil tank 1 at the end, far away from the push rod 28, of the sliding plate 16, rolling wheels 19 are installed at one ends of the shaft levers 18, torsion springs are installed on hinge shafts of the shaft levers 18 hinged on the inner wall of the oil tank 1, and the torsion springs push the rolling wheels 19 to abut against the sliding plate 16. This structure can improve the sealing effect between the slide plate 16 and the second partition plate 24.
An angle steel 17 is fixedly connected to the sliding plate 16 between two adjacent second strip-shaped holes 29. Impurities deposited on the sliding plate 16 are poured into the second strip-shaped hole 29 through the angle steel 17 and are conveyed into the lower cavity along with the movement of the sliding plate 16, so that the impurities are prevented from being accumulated on the sliding plate 16.
The upper end of the cylinder sleeve 6 is communicated with a bent pipe 5, the pipe orifice of one end of the bent pipe 5 faces downwards, the top of the cylinder sleeve 6 is provided with a through hole, a rubber plug 7 is inserted into the through hole, and the top surface of the piston 8 is provided with a threaded hole. This kind of structure of return bend 5 can prevent that the dust from getting into cylinder liner 6, in addition when needs are fixed piston 8, as shown in fig. 2, can demolish plug 7 earlier, then with screw in to the 9 screw holes of piston rod to fix piston 8, so that second bar-shaped hole 29 staggers with first bar-shaped hole 23 on the push pedal 11, closes first bar-shaped hole 23.
Claims (7)
1. The utility model provides a multiple pass is from cleaning oil tank, includes oil tank (1), oil pipe (3), automatic vent valve (4), returns oil pipe (15) and electric heater (20), its characterized in that: a vertical first partition plate (12) is arranged in an oil tank (1), the oil tank (1) is divided into a clean oil cavity (27) and a dirty oil cavity (14) by the first partition plate (12), an oil pumping pipe (3) and an oil return pipe (15) are respectively communicated with the clean oil cavity (27) and the dirty oil cavity (14), a baffle plate (26) parallel to the first partition plate (12) is fixedly arranged in the clean oil cavity (27) on one side of the first partition plate (12), the baffle plate (26) is in transmission connection with a push plate (11) through a shear type telescopic mechanism (10), a plurality of cylinder sleeves (6) are arranged on the oil tank (1), the lower ends of the cylinder sleeves (6) are communicated with the oil tank (1), the upper ends of the cylinder sleeves (6) are communicated with the atmosphere, pistons (8) are arranged in the cylinder sleeves (6), the pistons (8) are in transmission connection with the shear type telescopic mechanism (10) through piston rods (9), a plurality of oil scraping pipes (13) are fixedly connected to the first partition plate (12), two ends of the oil scraping pipe (13) are respectively communicated with the clean oil cavity (27) and the dirty oil cavity (14), a filter net pipe (25) is arranged in each oil scraping pipe (13), and one end of each filter net pipe (25) is fixedly connected with the push plate (11).
2. A multiple access self-cleaning fuel tank as claimed in claim 1, wherein: the lower end of the dirty oil cavity (14) is fixedly provided with a second partition plate (24), the dirty oil cavity (14) is divided into an upper cavity and a lower cavity by the second partition plate (24), a plurality of first strip-shaped holes (23) are sequentially arranged and punched on the second partition plate (24), one end of each first strip-shaped hole (23) is provided with a downward bend (21) left by one section of punching, and the included angle between each bend (21) and the bottom surface of the oil tank (1) is smaller than 80 degrees.
3. A multiple access self-cleaning fuel tank as claimed in claim 2, wherein: be equipped with slide (16) on second baffle (24) surface, seted up a plurality of second bar holes (29) on slide (16), slide (16) one end is through many push rods (28) and push pedal (11) fixed connection, and push pedal (11) promote second bar hole (29) and first bar hole (23) coincidence or stagger through push rod (28), electric heater (20) set up at the intracavity down, install glass observation window (22) on lower chamber one side oil tank (1).
4. A multiple access self-cleaning fuel tank as claimed in claim 3, wherein: the inner wall of the oil tank (1) at one end, far away from the push rod (28), of the sliding plate (16) is hinged with a plurality of shaft levers (18), the roller (19) is installed at one end of each shaft lever (18), the hinge shaft at the inner wall of the oil tank (1) hinged with the shaft levers (18) is provided with a torsion spring, and the torsion spring pushes the roller (19) to abut against the sliding plate (16).
5. A multiple access self-cleaning fuel tank as claimed in claim 3, wherein: and angle steel (17) is fixedly connected to the sliding plate (16) between two adjacent second strip-shaped holes (29).
6. A multiple-way self-cleaning fuel tank as claimed in any one of claims 1 to 5, wherein: the upper end of the cylinder sleeve (6) is communicated with a bent pipe (5), the pipe orifice of one end of the bent pipe (5) faces downwards, the top of the cylinder sleeve (6) is provided with a through hole, a rubber plug (7) is inserted into the through hole, and the top surface of the piston (8) is provided with a threaded hole.
7. A method for filtering hydraulic oil by using the self-cleaning oil tank as defined in any one of claims 1 to 5, wherein: along with the inlet and outlet of hydraulic oil in the hydraulic oil tank (1), air in the hydraulic oil tank (1) drives the piston (8) to move up and down, the piston (8) drives the filtering net pipe (25) to move back and forth in the oil scraping pipe (13) through the scissor type telescopic mechanism (10), impurities adsorbed on the filtering net pipe (25) are scraped by the oil scraping pipe (13), and the impurities can be deposited in the dirty oil cavity (14).
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CN202010476348.3A CN111637102B (en) | 2020-05-29 | 2020-05-29 | Multi-way self-cleaning oil tank and sump oil filtering method |
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CN202010476348.3A CN111637102B (en) | 2020-05-29 | 2020-05-29 | Multi-way self-cleaning oil tank and sump oil filtering method |
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CN111637102B true CN111637102B (en) | 2021-12-10 |
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CN113968427B (en) * | 2021-11-22 | 2023-01-06 | 山东科技大学 | Oil storage device convenient for removing impurities |
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