CN114165435A - Axial plunger type hydraulic pump - Google Patents
Axial plunger type hydraulic pump Download PDFInfo
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- CN114165435A CN114165435A CN202111334263.2A CN202111334263A CN114165435A CN 114165435 A CN114165435 A CN 114165435A CN 202111334263 A CN202111334263 A CN 202111334263A CN 114165435 A CN114165435 A CN 114165435A
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- 238000011084 recovery Methods 0.000 claims abstract description 68
- 238000003756 stirring Methods 0.000 claims abstract description 49
- 238000001914 filtration Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000004064 recycling Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 abstract description 61
- 239000003921 oil Substances 0.000 abstract description 58
- 239000012535 impurity Substances 0.000 abstract description 39
- 230000000694 effects Effects 0.000 abstract description 28
- 230000009471 action Effects 0.000 abstract description 15
- 230000005484 gravity Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 238000007790 scraping Methods 0.000 description 10
- 230000005389 magnetism Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to the technical field of hydraulic pumps, in particular to an axial plunger type hydraulic pump which comprises a hydraulic pump main body, a rotating shaft, an oil inlet, a front end cover and a filtering assembly, wherein the front end cover is arranged on the left side of the hydraulic pump main body, the rotating shaft is arranged in the hydraulic pump main body and positioned at the front end cover, the outer surface of the upper end of the hydraulic pump main body is provided with the oil inlet, and the outer surface of the oil inlet is in threaded connection with the filtering assembly. According to the invention, by arranging the filtering component, the output shaft of the motor can be used for driving the stirring rod to rotate to stir hydraulic oil in the filtering tower, so that the hydraulic oil generates a vortex effect, impurities entering the filtering tower are gathered at the center of the recovery cylinder under the vortex effect, the probability of the impurities attaching to the surface of the filtering plate is reduced, and when the stirring rod stops rotating, the sealing plate I rotates towards the center of the recovery cylinder and is closed under the combined action of the gravity of the sealing plate I and the arc-shaped elastic sheet, so that the impurities are sealed in the recovery cylinder.
Description
Technical Field
The invention relates to the technical field of hydraulic pumps, in particular to an axial plunger type hydraulic pump.
Background
The axial plunger pump adopts the oil distribution disc to distribute oil, the cylinder body rotates, and the swash plate type axial plunger pump depends on variable head variables, the pump adopts the design of the optimal oil film thickness of hydrostatic balance, so that the cylinder body and the oil distribution disc, the piston shoes and the variable head run under pure liquid friction, and the axial plunger pump has the advantages of simple structure, small volume, low noise, high efficiency, long service life, self-absorption capability and the like, has various variable situations to meet the requirements of users, and is widely applied to machines such as forging and pressing machine tools, metallurgy, engineering, mines, ships and the like and other hydraulic transmission systems.
The plunger pump has high volumetric efficiency and small leakage, can work under high pressure, is mostly used for a high-power hydraulic system, has high requirement on the cleanliness of oil, and is known from the text of the influence of hydraulic oil pollutants on the hydraulic system, the existing hydraulic oil mainly has air and particulate pollution, wherein the particulate pollution is except for pollutants (such as processing residual metal chips, dust and sand in the air and the like) and pollution generated in the use process of the hydraulic oil (such as oil sludge or carbon deposition generated by the oxidation of the hydraulic oil and abrasive particles generated by a friction pair in the use process), particularly when the plunger pump is used in a machining environment, the interior of the hydraulic oil easily enters waste chips generated in the processing process, and the impurities enter the interior of a pump body to influence the flow of the system and even damage an oil pump, although a filter screen is additionally arranged at an oil inlet of the existing plunger pump, however, impurities are easy to adhere to the surface of the filter screen to cause blockage, and the problem is particularly obvious when the impurities are difficult to clean, particularly in a metal processing workshop.
For this reason, an axial plunger type hydraulic pump has been proposed.
Disclosure of Invention
The invention aims to provide an axial plunger type hydraulic pump, which is characterized in that a filter component is arranged, an output shaft of a motor can be used for driving a stirring rod to rotate to stir hydraulic oil in a filter tower, so that the hydraulic oil generates a vortex effect, impurities entering the filter tower are gathered at the center of a recovery cylinder under the vortex effect, the probability of the impurities attached to the surface of a filter plate is reduced, and when the stirring rod stops rotating, a sealing plate I rotates towards the center of the recovery cylinder and is closed under the combined action of self gravity and an arc-shaped elastic sheet, so that the impurities are sealed in the recovery cylinder, and workers can clean the impurities regularly, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: an axial plunger type hydraulic pump comprises a hydraulic pump main body, a rotating shaft, an oil inlet, a front end cover and a filtering assembly, wherein the front end cover is arranged on the left side of the hydraulic pump main body, the rotating shaft is arranged in the hydraulic pump main body and positioned at the front end cover, the outer surface of the upper end of the hydraulic pump main body is provided with the oil inlet, and the outer surface of the oil inlet is in threaded connection with the filtering assembly;
the filter assembly comprises a filter tower, a motor, a stirring rod, a filter plate, a coiling rope, an oil inlet pipe, an electromagnet and a recovery drum, wherein the outer surface of the lower end of the filter tower is fixedly connected with a connecting ring, the inner surface of the connecting ring is provided with threads, the filter tower is in threaded connection with an oil inlet through the connecting ring, the bottom end of the inner surface of the filter tower is provided with an oil outlet, the outer surface of one side of the filter tower is communicated with the oil inlet pipe, the inner surface of the filter tower is close to the middle part of the filter tower and is fixedly connected with the filter plate, the cross section of the filter plate is annular, the recovery drum is fixedly connected with the inner surface of the filter plate, the motor is fixedly connected with the outer surface of the upper end of the filter tower, the output end of the motor penetrates through the inside of the filter tower and is fixedly connected with the stirring rod, the output end of the motor is rotatably connected with the filter tower, and the outer surface of the upper end of the recovery drum is provided with a flow guide hole close to the middle part, the lower extreme of puddler runs through the water conservancy diversion hole and extends to the inside and the electro-magnet fixed connection of recovery drum, and the position that the both sides of the internal surface of recovery drum are close to the middle part all articulates there is a closing plate one, the upper end surface of closing plate one and the junction fixedly connected with dome spring of recovery drum, and dome spring's one end and a closing plate fixed connection, the other end is connected with the internal surface fixed of recovery drum, the position that the recovery drum internal surface is located an upper end of closing plate is the fretwork form, and the bottom of recovery drum internal surface has seted up the through-hole, the inside threaded connection of through-hole has the sealing plug, and the one end that dome spring was kept away from to a closing plate surface is provided with the magnet piece.
Through setting up filtering component, can utilize the motor to drive the puddler and rotate and stir the inside hydraulic oil of filter tower, make hydraulic oil produce vortex effect, thereby to getting into the inside impurity of filter tower and gathering under the vortex effect at the center of recovery drum, reduce its probability attached to the filter surface, and when the puddler stall, closing plate one is rotatory and closed to the recovery drum center under the combined action of self gravity and arc shell fragment, thereby seal impurity in the inside of recovery drum, the staff of being convenient for regularly clears up.
Preferably, both sides of the inner surface of the diversion hole are provided with movable grooves, the inner surface of each movable groove is connected with a first shielding plate in a sliding manner, the first shielding plate and the cross section of each movable groove are in a T shape, one side, far away from the diversion hole, of the outer surface of each shielding plate is fixedly connected with a first magnet, the inner surface of each movable groove is fixedly connected with a second magnet, the second magnet is magnetically adsorbed with the first magnet, an arc-shaped groove is formed in the position, close to the middle, of one side, far away from the first magnet, of the outer surface of each shielding plate, a rotating groove is formed in the inner surface of each arc-shaped groove, a coiling rope is fixedly connected to the inner surface of each rotating groove, one end, far away from the rotating groove, of each coiling rope is fixedly connected with a stirring rod, the two groups of coiling ropes are distributed up and down, two groups of sealing plates are fixedly connected to the outer surface of the stirring rod and are respectively located on the upper side and the lower side of the coiling rope, and the sealing plates are mutually matched with the arc-shaped grooves, and the outer surface of the upper end of the second sealing plate is fixedly connected with a push rod, the cross section of the push rod is L-shaped, one end, far away from the second sealing plate, of the push rod extends to the surface of the filter plate, and a plurality of groups of scraping plates are fixedly connected with the surface of the lower end of each scraping plate and are tightly attached to the filter plate.
In the operation process, the output shaft of the motor drives the stirring rod to rotate to stir the hydraulic oil in the filter tower, so that the hydraulic oil generates a vortex effect, impurities entering the filter tower are gathered at the center of the recovery cylinder under the vortex effect, the probability of the impurities attaching to the surface of the filter plate is reduced, meanwhile, the stirring rod can rotate forwards and backwards along with the output shaft of the motor, the shielding plate drives the scraping plate to move back and forth on the surface of the filter plate, so that part of the impurities attaching to the surface of the filter plate and being incapable of being gathered in the recovery cylinder under the action of the vortex effect due to high viscosity are scraped, the impurities are separated from the filter plate, float in the hydraulic oil and gather towards the middle of the recovery cylinder, the probability of blockage of the filter plate is reduced, in the operation process, the output shaft of the motor drives the stirring rod to rotate forwards and backwards, when the stirring rod rotates forwards, the rope is rolled up to the puddler direction roll-up to pulling sunshade one and the catch bar and the scraper blade on its surface move to being close to the puddler direction, first magnet removes to the direction of keeping away from the puddler under the adsorption affinity of second magnet when the puddler antiport, thereby realize the scraper blade and remove on the filter surface, the state of vortex effect changes along with the change of puddler rotation direction simultaneously in this process, but keep impurity to float in hydraulic oil all the time, avoid it to cause the jam to the filter.
Preferably, the inside of filter is seted up the cavity, and the inside swing joint of cavity has a plurality of groups striking piece, the surface of first magnet is close to a plurality of groups of dead levers of one side equidistance fixed connection of second magnet, and the dead lever one end fixedly connected with striking ball of keeping away from first magnet, the outer fixed surface in upper end of filtration tower is connected with the vacuum pump, and the output of vacuum pump runs through to the inside of filtration tower.
Present hydraulic oil its inside partial air that can sneak into in the use, but sneak into the hydraulic oil of excess air and can cause very big noise after getting into the hydraulic pump main part, also can influence the performance of hydraulic oil simultaneously, consequently through setting up striking piece and striking ball, at the sunshade one in-process that the reciprocating motion is done to the movable groove inside, the sunshade pushes away striking ball and collides with first magnet and produces the vibration, thereby make the inside striking piece of cavity collide each other under the influence of vibration, and make the hydraulic oil through the filter produce the oscillation, increase the repulsion between the hydraulic oil molecule, consequently, can make the inside air of hydraulic oil upwards spill over, and utilize the vacuum pump to take out the air that spills over, guarantee the performance of hydraulic oil.
Preferably, the oil-out has been seted up to the position that is close to the bottom all around of the internal surface of recovery drum, and the oil-out is equidistance annular distribution in the inside of recovery drum, the internal surface of oil-out is located the inside one end fixedly connected with filter screen of recovery drum, and the inside one side swing joint who keeps away from the filter screen of oil-out has T type stopper, one side external surface fixedly connected with T type pole of T type stopper, and the T type pole one end of keeping away from T type stopper runs through to the inside of recovery drum, the mounting groove has been seted up with the junction of T type pole to the recovery drum, and the internal surface of mounting groove is provided with the spring, the one end and the mounting groove internal surface fixed connection of spring, the other end and T type pole fixed connection.
When the motor stops working, the vortex effect disappears gradually, meanwhile, the magnetism of the electromagnet disappears, the first sealing plate overturns downwards under the action of the arc-shaped elastic sheet and the gravity of the first sealing plate and is in a horizontal shape, the two first sealing plates are mutually attached to block impurities accumulated in the recycling cylinder under the vortex effect, then oil supply to the interior of the hydraulic pump main body is stopped, hydraulic oil in the filter tower flows out, and then the impurities in the recycling cylinder are cleaned, but a certain amount of hydraulic oil is still accumulated below the first shielding plate in the recycling cylinder, so that the hydraulic oil needs to be discharged, when the two first shielding plates are mutually closed, the hydraulic oil accumulated in the recycling cylinder generates pressure on the T-shaped plug, so that the T-shaped plug moves towards the direction far away from the recycling cylinder, the straight T-shaped plug is separated from the oil outlet, the hydraulic oil in the recycling cylinder is discharged from the oil outlet, and after the hydraulic oil is completely discharged, the T-shaped plug is attached to the oil outlet under the action of the spring, avoid the inside hydraulic oil of filter tower to get into the collection that influences impurity of recovery section of thick bamboo inside through the oil-out in the use next time.
Preferably, the position of the outer surface of the recovery cylinder corresponding to the oil outlet is fixedly connected with a first baffle, the first baffle is positioned above the oil outlet, and the first baffle is inclined at 45 degrees to the direction of the oil outlet.
Through setting up baffle one and being located the upper right side of oil-out, can reduce the inside hydraulic oil of filter tower in the operation process and cause great pressure to the T type stopper to can make the inside hydraulic oil of recovery section of thick bamboo constantly discharge from the oil-out.
Preferably, the inner surface of the filter tower is fixedly connected with a second baffle, the second baffle is located above the first baffle, the second baffle is inclined towards the direction of the oil outlet at an angle of 45 degrees, and the outer surfaces of the upper ends of the first baffle and the second baffle are provided with wavy bulges.
Utilize baffle one and baffle two to be 45 degrees to the oil outlet direction slope and set up wavy arch on its surface, can cushion the hydraulic oil that flows in the oil inlet, avoid it to cause great impact to the junction of filtering tower and oil outlet, improve compactness and stability that filtering component and hydraulic pump main part are connected.
Compared with the prior art, the invention has the beneficial effects that:
through setting up filtering component, the output shaft that can utilize the motor drives the puddler and rotates and stir the inside hydraulic oil of filter tower, make hydraulic oil produce vortex effect, thereby to getting into the inside impurity of filter tower and gathering under the vortex effect at the center of recovery drum, reduce its probability attached to the filter surface, and when the puddler stall, closing plate one is rotatory and closed to the recovery drum center under the combined action of self gravity and arc shell fragment, thereby seal impurity in the inside of recovery drum, the staff of being convenient for regularly clears up.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of the filter assembly of the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B of FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of C of FIG. 2 of the present invention;
FIG. 6 is an enlarged view of D of FIG. 2 of the present invention;
FIG. 7 is a cross-sectional view F-F of FIG. 2 of the present invention;
FIG. 8 is an enlarged view of E of FIG. 7 of the present invention;
fig. 9 is a structural view of the push rod and the squeegee according to the invention.
In the figure: 1. a hydraulic pump main body; 2. a rotating shaft; 3. an oil inlet; 4. a front end cover; 5. a filter assembly; 51. a filtration tower; 511. a connecting ring; 512. an oil outlet hole; 513. a flow guide hole; 514. a movable groove; 515. a first shielding plate; 516. a first magnet; 517. an arc-shaped slot; 518. a rotating groove; 519. a second sealing plate; 52. a motor; 53. a stirring rod; 54. a filter plate; 541. a push rod; 542. a squeegee; 543. a cavity; 544. an impact block; 545. a second magnet; 546. fixing the rod; 547. striking a ball; 55. winding the rope; 56. an oil inlet pipe; 57. an electromagnet; 58. a recovery cylinder; 581. a first sealing plate; 582. an arc-shaped elastic sheet; 583. a through hole; 584. a sealing plug; 585. an oil outlet; 586. a filter screen; 587. a T-shaped plug; 588. a T-shaped rod; 589. mounting grooves; 59. a vacuum pump; 6. a spring; 7. a first baffle plate; 8. a second baffle plate; 9. a protrusion; 10. and a magnet block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution:
an axial plunger type hydraulic pump is shown in fig. 1 to 3 and comprises a hydraulic pump main body 1, a rotating shaft 2, an oil inlet 3, a front end cover 4 and a filter assembly 5, wherein the front end cover 4 is arranged on the left side of the hydraulic pump main body 1, the rotating shaft 2 is arranged in the hydraulic pump main body 1 and is positioned at the front end cover 4, the oil inlet 3 is formed in the outer surface of the upper end of the hydraulic pump main body 1, and the filter assembly 5 is connected to the outer surface of the oil inlet 3 in a threaded manner;
the filtering component 5 comprises a filtering tower 51, a motor 52, a stirring rod 53, a filtering plate 54, a winding rope 55, an oil inlet pipe 56, an electromagnet 57 and a recycling drum 58, wherein the outer surface of the lower end of the filtering tower 51 is fixedly connected with a connecting ring 511, the inner surface of the connecting ring 511 is provided with threads, the filtering tower 51 is in threaded connection with the oil inlet 3 through the connecting ring 511, the bottom end of the inner surface of the filtering tower 51 is provided with an oil outlet 512, the outer surface of one side of the filtering tower 51 is communicated with the oil inlet pipe 56, the position, close to the middle part, of the inner surface of the filtering tower 51 is fixedly connected with the filtering plate 54, the cross section of the filtering plate 54 is annular, the recycling drum 58 is fixedly connected to the inner surface of the filtering plate 54, the motor 52 is fixedly connected to the outer surface of the upper end of the filtering tower 51, the output end of the motor 52 penetrates through the inside of the filtering tower 51 and is fixedly connected with the stirring rod 53, and the output end of the motor 52 is rotatably connected with the filtering tower 51, flow guide holes 513 are formed in the position, close to the middle, of the outer surface of the upper end of the recycling bin 58, the lower end of the stirring rod 53 penetrates through the flow guide holes 513 and extends to the inside of the recycling bin 58 and the electromagnet 57 to be fixedly connected, the positions, close to the middle, of the two sides of the inner surface of the recycling bin 58 are hinged to a sealing plate-581, an arc-shaped elastic sheet 582 is fixedly connected to the joint of the outer surface of the upper end of the sealing plate-581 and the recycling bin 58, one end of the arc-shaped elastic sheet 582 is fixedly connected with the sealing plate-581, the other end of the arc-shaped elastic sheet 582 is fixedly connected with the inner surface of the recycling bin 58, the position, located at the upper end of the sealing plate-581, of the inner surface of the recycling bin 58 is hollowed-out, a through hole 583 is formed in the bottom end of the inner surface of the recycling bin 58, a sealing plug 584 is connected to the inner thread of the through hole 583, and one end, far away from the arc-shaped elastic sheet 582, of the outer surface of the sealing plate-shaped elastic sheet 581, is provided with a magnet block 10.
Through setting up filtering component 5, can utilize motor 52 to drive puddler 53 and rotate and stir the inside hydraulic oil of filter tower 51, make hydraulic oil produce the vortex effect, thereby to the impurity gathering in the center of recovery drum 58 under the vortex effect of getting into the inside filter tower 51, reduce its probability of attaching to the surface of filter 54, and when puddler 53 stall, sealing plate 581 is to the central rotation of recovery drum 58 and be closed under the combined action of self gravity and arc shell fragment 582, thereby seal impurity in the inside of recovery drum 58, the staff of being convenient for regularly clears up.
As an embodiment of the present invention, as shown in fig. 1 to 9, two sides of an inner surface of the diversion hole 513 are respectively provided with a movable groove 514, the inner surface of the movable groove 514 is slidably connected with a first shield 515, cross sections of the first shield 515 and the movable groove 514 are both T-shaped, one side of an outer surface of the first shield 515, which is far away from the diversion hole 513, is fixedly connected with a first magnet 516, the inner surface of the movable groove 514 is fixedly connected with a second magnet 545, the second magnet 545 is magnetically adsorbed to the first magnet 516, an arc-shaped groove 517 is provided at a position, which is near a middle, of an outer surface of the first shield 515, which is far away from the first magnet 516, the inner surface of the arc-shaped groove 517 is provided with a rotating groove 518, the inner surface of the rotating groove 518 is fixedly connected with a reeling rope 55, one end of the reeling rope 55, which is far away from the rotating groove 518, is fixedly connected with the stirring rod 53, the two sets of reeling ropes 55 are distributed up and down, the outer surface of the stirring rod 53 is fixedly connected with two sets of second sealing plates 519, the two sealing plates 519 are respectively positioned at the upper side and the lower side of the rolling rope 55, the two sealing plates 519 are matched with the arc-shaped groove 517, the outer surfaces of the upper ends of the two sealing plates 519 are fixedly connected with a push rod 541, the cross section of the push rod 541 is L-shaped, one end of the push rod 541, which is far away from the two sealing plates 519, extends to the surface of the filter plate 54 and is fixedly connected with a plurality of groups of scraping plates 542, and the outer surfaces of the lower ends of the scraping plates 542 are tightly attached to the filter plate 54.
In the operation process, the output shaft of the motor 52 drives the stirring rod 53 to rotate to stir the hydraulic oil in the filter tower 51, so that the hydraulic oil generates a vortex effect, impurities entering the filter tower 51 are gathered at the center of the recovery cylinder 58 under the vortex effect, the probability of the impurities attaching to the surface of the filter plate 54 is reduced, meanwhile, the scraping plate 542 is arranged, the stirring rod 53 can rotate forwards and backwards along with the output shaft of the motor 52, the first shielding plate 515 drives the scraping plate 542 to reciprocate on the surface of the filter plate 54, so that part of the impurities which are attached to the surface of the filter plate 54 and cannot be gathered in the recovery cylinder 58 under the vortex effect due to high viscosity are scraped, the impurities are separated from the filter plate 54, float in the hydraulic oil and are gathered towards the middle of the recovery cylinder 58, the probability of blockage of the filter plate 54 is reduced, in the operation process, the output shaft of the motor 52 drives the stirring rod 53 to rotate forwards and backwards, when the stirring rod 53 rotates in the forward direction, the winding rope 55 winds towards the stirring rod 53, so that the first shielding plate 515 and the pushing rod 541 and the scraping plate 542 on the surface of the first shielding plate are pulled to move towards the direction close to the stirring rod 53, when the stirring rod 53 rotates in the reverse direction, the first magnet 516 moves towards the direction far away from the stirring rod 53 under the action of the adsorption force of the second magnet 545, so that the scraping plate 542 moves on the surface of the filtering plate 54, and meanwhile, the state of the vortex effect changes along with the change of the rotation direction of the stirring rod 53 in the process, but impurities are always kept floating in the hydraulic oil, and the filtering plate 54 is prevented from being blocked.
As an embodiment of the present invention, as shown in fig. 2 and 5, a cavity 543 is formed inside the filter plate 54, a plurality of groups of striking blocks 544 are movably connected inside the cavity 543, a plurality of groups of fixing rods 546 are fixedly connected to one side of the outer surface of the first magnet 516 close to the second magnet 545 at equal intervals, one end of each fixing rod 546 away from the first magnet 516 is fixedly connected with a striking ball 547, a vacuum pump 59 is fixedly connected to the outer surface of the upper end of the filter tower 51, and the output end of the vacuum pump 59 penetrates through the interior of the filter tower 51.
In the conventional hydraulic oil, part of air is mixed in the hydraulic oil during use, but the hydraulic oil mixed with excessive air enters the hydraulic pump body 1 to cause great noise and affect the performance of the hydraulic oil, so that by arranging the impact block 544 and the impact ball 547, the stirring rod 53 repeatedly pulls the retraction rope 55 and the first shutter 515 under the magnetic attraction interaction between the first magnet 516 and the second magnet 545 in the forward and reverse rotation processes of the stirring rod 53, so that in the process that the first shutter 515 reciprocates in the movable groove 514, the first shutter 515 pushes the impact ball 547 to collide with the first magnet 516 to generate vibration, so that the impact blocks 544 inside the cavity 543 collide with each other under the influence of the vibration, the hydraulic oil passing through the filter plate 54 oscillates, and the repulsive force among hydraulic oil molecules is increased, so that the air inside the hydraulic oil can overflow upwards, and the overflowed air is pumped out by a vacuum pump 59, so that the performance of the hydraulic oil is ensured.
As an embodiment of the present invention, as shown in fig. 2 to 6, oil outlets 585 are formed at positions near the bottom end of the periphery of the inner surface of the recovery cylinder 58, the oil outlets 585 are annularly distributed in the recovery cylinder 58 at equal intervals, one end of the inner surface of the oil outlet 585, which is located in the recovery cylinder 58, is fixedly connected with a filter screen 586, one side of the inner portion of the oil outlet 585, which is far away from the filter screen 586, is movably connected with a T-shaped plug 587, the outer surface of one side of the T-shaped plug 587 is fixedly connected with a T-shaped rod 588, one end of the T-shaped rod 588, which is far away from the T-shaped plug 587, penetrates into the recovery cylinder 58, a mounting groove 589 is formed at a connection position of the recovery cylinder 58 and the T-shaped rod 588, a spring 6 is arranged on the inner surface of the mounting groove 589, one end of the spring 6 is fixedly connected with the inner surface of the mounting groove 589, and the other end is fixedly connected with the T-shaped rod 588.
When the motor 52 stops working, the vortex effect gradually disappears, meanwhile, the magnetism of the electromagnet 57 disappears, the first sealing plates 581 are turned over downwards under the action of the arc-shaped elastic sheets 582 and the gravity thereof and are in a horizontal shape, the two first sealing plates 581 are attached to each other so as to block impurities accumulated in the recovery cylinder 58 due to the vortex effect, then oil supply to the interior of the hydraulic pump main body 1 is stopped, hydraulic oil in the filter tower 51 flows out, and then the impurities in the recovery cylinder 58 are cleaned, but a certain amount of hydraulic oil still collects below the first shielding plate 515 in the recovery cylinder 58, so that the hydraulic oil needs to be discharged, when the two first shielding plates 515 are closed, the hydraulic oil accumulated in the recovery cylinder 58 exerts pressure on the T-shaped plug 587, so that the T-shaped plug 587 moves towards the direction far away from the recovery cylinder 58, the straight T-shaped plug 587 is separated from the oil outlet 585, and the hydraulic oil in the recovery cylinder 58 is discharged from the oil outlet 585, when hydraulic oil completely discharges the back, T type stopper 587 is laminated with oil-out 585 under spring 6's effect, avoids getting into the collection of the inside influence impurity of recovery section of thick bamboo 58 through oil-out 585 at the inside hydraulic oil of filter tower 51 in the use next time.
As an embodiment of the present invention, as shown in fig. 2 and 3, the positions of the outer surface of the recovery cylinder 58 corresponding to the oil outlet 585 are fixedly connected to a first baffle plate 7, the first baffle plate 7 is located above the oil outlet 585, and the first baffle plate 7 is inclined at 45 degrees to the direction of the oil outlet 512.
By arranging the first baffle 7 at the upper right part of the oil outlet 585, the pressure of hydraulic oil inside the filter tower 51 on the T-shaped plug 587 can be reduced, and therefore hydraulic oil inside the recovery cylinder 58 can be continuously discharged from the oil outlet 585.
As an embodiment of the present invention, as shown in fig. 2 and 3, a second baffle plate 8 is fixedly connected to an inner surface of the filter tower 51, the second baffle plate 8 is located above a side of the first baffle plate 7, the second baffle plate 8 is also inclined toward the oil outlet 512 at an angle of 45 degrees, and the outer surfaces of the upper ends of the first baffle plate 7 and the second baffle plate 8 are both provided with wavy protrusions 9.
Utilize baffle 7 and baffle two 8 to be 45 degrees to the slope of oil outlet 512 direction and set up wavy arch 9 on its surface, can cushion the hydraulic oil that flows into oil inlet 3, avoid it to cause great impact to the junction of filtering tower 51 and oil outlet 512, improve compactness and stability that filter assembly 5 and hydraulic pump main part 1 are connected.
The working principle is as follows: in the operation process, hydraulic oil enters the inside of the filter tower 51 through the oil inlet pipe 56 and enters the inside of the hydraulic pump main body 1 through the oil outlet 512, the motor 52 is electrified in the process, the output shaft of the motor drives the stirring rod 53 to rotate, and the electromagnet 57 has magnetism attracted with the magnet block 10, so that the two groups of sealing plate electromagnets 57 and the magnet block 10 are overturned upwards under the action of magnetic adsorption force to extrude the arc-shaped elastic sheet 582, at the moment, impurities in the filter tower 51 are gathered at the position close to the bottom end in the recovery cylinder 58 under the action of vortex effect, the vortex effect gradually disappears when the motor 52 stops working, meanwhile, the electromagnet 57 loses magnetism, the first sealing plate 581 is overturned downwards under the action of the arc-shaped elastic sheet 582 and self gravity to be horizontal, the two groups of sealing plate 581 are mutually attached to block the impurities gathered in the recovery cylinder 58 under the vortex effect, and then the hydraulic pump main body 1 stops working, separating the filter tower 51 from the hydraulic pump body 1, screwing the sealing plug 584 out of the through hole 583, and cleaning impurities collected in the recovery cylinder 58;
meanwhile, by arranging the scraper 542, the stirring rod 53 can rotate forwards and backwards along with the output shaft of the motor 52, so that the first shielding plate 515 drives the scraper 542 to reciprocate on the surface of the filtering plate 54, thereby scraping part of impurities which are attached to the surface of the filtering plate 54 and cannot be gathered in the recovery cylinder 58 under the action of vortex effect due to high viscosity, separating the impurities from the filtering plate 54, floating in hydraulic oil and gathering the impurities to the middle of the recovery cylinder 58, and reducing the probability of blockage of the filtering plate 54, during the operation, the output shaft of the motor 52 drives the stirring rod 53 to rotate forwards and backwards, when the stirring rod 53 rotates forwards, the winding rope 55 winds towards the stirring rod 53, thereby pulling the first shielding plate 515 and the pushing rod 541 and the scraper 542 on the surface to move towards the stirring rod 53, and when the stirring rod 53 rotates backwards, the first magnet 516 moves away from the stirring rod 53 under the action of the adsorption force of the second magnet 545, thereby, the movement of the scrapers 542 on the surface of the filter plate 54 is achieved, while the state of the swirl effect changes with the change of the rotational direction of the stirring rod 53 in the process, but the impurities are always kept floating in the hydraulic oil, avoiding the clogging thereof to the filter plate 54.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an axial plunger type hydraulic pump, includes hydraulic pump main part (1), axis of rotation (2), oil inlet (3), front end housing (4) and filtering component (5), its characterized in that: the front end cover (4) is arranged on the left side of the hydraulic pump main body (1), a rotating shaft (2) is arranged in the hydraulic pump main body (1) and located at the front end cover (4), an oil inlet (3) is formed in the outer surface of the upper end of the hydraulic pump main body (1), and a filtering assembly (5) is connected to the outer surface of the oil inlet (3) in a threaded mode;
the filter assembly (5) comprises a filter tower (51), a motor (52), a stirring rod (53), a filter plate (54), a winding rope (55), an oil inlet pipe (56), an electromagnet (57) and a recycling drum (58), the outer surface of the lower end of the filter tower (51) is fixedly connected with a connecting ring (511), the inner surface of the connecting ring (511) is provided with threads, the filter tower (51) is in threaded connection with an oil inlet (3) through the connecting ring (511), the bottom end of the inner surface of the filter tower (51) is provided with an oil outlet (512), the outer surface of one side of the filter tower (51) is communicated with the oil inlet pipe (56), the inner surface of the filter tower (51) is close to the position of the middle part and is fixedly connected with the filter plate (54), the cross section of the filter plate (54) is annular, the recycling drum (58) is fixedly connected with the inner surface of the filter plate (54), and the motor (52) is fixedly connected with the outer surface of the filter tower (51), the output end of the motor (52) penetrates through the inside of the filter tower (51) and is fixedly connected with the stirring rod (53), the output end of the motor (52) is rotatably connected with the filter tower (51), a diversion hole (513) is formed in the position, close to the middle, of the outer surface of the upper end of the recovery cylinder (58), the lower end of the stirring rod (53) penetrates through the diversion hole (513) and extends to the inside of the recovery cylinder (58) and is fixedly connected with the electromagnet (57), sealing plates (581) are hinged to the positions, close to the middle, of the two sides of the inner surface of the recovery cylinder (58), an arc-shaped elastic sheet (582) is fixedly connected to the connection part of the outer surface of the upper end of each sealing plate (581) and one sealing plate (581), the other end of each arc-shaped elastic sheet (582) is fixedly connected with the inner surface of the recovery cylinder (58), and the position, located at the upper end of each sealing plate (581), of the inner surface of the recovery cylinder (58) is hollow, and the bottom of the inner surface of the recovery cylinder (58) is provided with a through hole (583), the inner thread of the through hole (583) is connected with a sealing plug (584), and one end of the outer surface of the sealing plate I (581) far away from the arc-shaped elastic sheet (582) is provided with a magnet block (10).
2. The axial plunger hydraulic pump of claim 1, wherein: the two sides of the inner surface of the diversion hole (513) are both provided with movable grooves (514), the inner surface of each movable groove (514) is connected with a first shielding plate (515) in a sliding manner, the cross sections of the first shielding plate (515) and the movable grooves (514) are both T-shaped, one side, far away from the diversion hole (513), of the outer surface of the first shielding plate (515) is fixedly connected with a first magnet (516), the inner surface of each movable groove (514) is fixedly connected with a second magnet (545), the second magnet (545) and the first magnet (516) are magnetically adsorbed, an arc-shaped groove (517) is formed in the position, close to the middle, of one side, far away from the first magnet (516), of the outer surface of the first shielding plate (515), a rotating groove (518) is formed in the inner surface of the arc-shaped groove (517), a rolling rope (55) is fixedly connected to the inner surface of the rotating groove (518), and one end, far away from the rotating groove (518), of the rolling rope (55) is fixedly connected with a stirring rod (53), two sets of ropes (55) of rolling up are the upper and lower distribution, puddler (53) surface fixed connection has two sets of closing plates two (519), and it is located the upper and lower both sides of rolling up rope (55) respectively, closing plate two (519) coincide each other with arc wall (517), and is two sets of the equal fixedly connected with catch bar (541) of upper end surface of closing plate two (519), and catch bar (541) transversal personally submit L type, the one end that closing plate two (519) were kept away from in catch bar (541) extends to the surface of filter (54) and fixedly connected with a plurality of groups scraper blade (542), the lower extreme surface and filter (54) of scraper blade (542) closely laminate.
3. The axial plunger hydraulic pump of claim 2, wherein: cavity (543) have been seted up to the inside of filter (54), and the inside swing joint of cavity (543) has a plurality of groups striking block (544), the surface of first magnet (516) is close to a plurality of groups dead lever (546) of equidistance fixed connection in one side of second magnet (545), and dead lever (546) keep away from the one end fixedly connected with striking ball (547) of first magnet (516), the upper end surface fixedly connected with vacuum pump (59) of filter tower (51), and the output of vacuum pump (59) runs through to the inside of filtering tower (51).
4. The axial plunger hydraulic pump of claim 1, wherein: the position that is close to the bottom all around of the internal surface of recovery drum (58) has seted up oil-out (585), and oil-out (585) are equidistance annular distribution in the inside of recovery drum (58), the internal surface of oil-out (585) is located the inside one end fixedly connected with filter screen (586) of recovery drum (58), and one side swing joint that filter screen (586) were kept away from to oil-out (585) inside has T type stopper (587), one side external surface fixedly connected with T type pole (588) of T type stopper (587), and T type pole (588) keep away from the one end of T type stopper (587) and run through to the inside of recovery drum (58), mounting groove (589) have been seted up with the junction of T type pole (588), and the internal surface of mounting groove (589) is provided with spring (6), the one end and the mounting groove (589) internal surface fixed connection of spring (6), the other end is fixedly connected with a T-shaped rod (588).
5. The axial plunger hydraulic pump of claim 4, wherein: retrieve equal fixed connection baffle (7) in position that a section of thick bamboo (58) surface and oil-out (585) correspond, and baffle (7) are located the top of oil-out (585), baffle (7) are 45 degrees to the slope of oil outlet (512) direction.
6. The axial plunger hydraulic pump of claim 5, wherein: filter tower (51) internal surface fixed connection has baffle two (8), and baffle two (8) are located the side top of baffle one (7), baffle two (8) also are 45 degrees to oil outlet (512) direction slope, and the upper end surface of baffle one (7) and baffle two (8) all is provided with wavy arch (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334263.2A CN114165435A (en) | 2021-11-11 | 2021-11-11 | Axial plunger type hydraulic pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111334263.2A CN114165435A (en) | 2021-11-11 | 2021-11-11 | Axial plunger type hydraulic pump |
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| CN114165435A true CN114165435A (en) | 2022-03-11 |
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| CN202111334263.2A Pending CN114165435A (en) | 2021-11-11 | 2021-11-11 | Axial plunger type hydraulic pump |
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| CN112050638A (en) * | 2020-09-21 | 2020-12-08 | 王松学 | Energy-saving environment-friendly intermediate frequency furnace capable of automatically replacing cooling liquid filter plate |
| CN214007422U (en) * | 2021-01-03 | 2021-08-20 | 北京正博安科技有限责任公司 | Split type barrel type oil cylinder plunger pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317655A (en) * | 1996-05-27 | 1997-12-09 | Keihin Seiki Mfg Co Ltd | Fluid filter |
| US20070175239A1 (en) * | 2006-02-01 | 2007-08-02 | Yoshinori Inoue | Refrigerant compressor |
| CN201180634Y (en) * | 2007-12-11 | 2009-01-14 | 郭应辉 | Filter |
| CN201666244U (en) * | 2010-08-18 | 2010-12-08 | 鞍钢集团矿业公司 | Prepositioned air filter of air compressor |
| US20180104629A1 (en) * | 2015-06-18 | 2018-04-19 | Yamashin-Filter Corp. | Return filter |
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| CN211231128U (en) * | 2019-12-31 | 2020-08-11 | 河北华春液压汽配有限公司 | Self-cleaning filter |
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| CN214007422U (en) * | 2021-01-03 | 2021-08-20 | 北京正博安科技有限责任公司 | Split type barrel type oil cylinder plunger pump |
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