CN117703851A - Split self-cleaning hydraulic pump station - Google Patents
Split self-cleaning hydraulic pump station Download PDFInfo
- Publication number
- CN117703851A CN117703851A CN202410066536.7A CN202410066536A CN117703851A CN 117703851 A CN117703851 A CN 117703851A CN 202410066536 A CN202410066536 A CN 202410066536A CN 117703851 A CN117703851 A CN 117703851A
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- pipe
- oil
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- cylinder
- filter
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- 238000004140 cleaning Methods 0.000 title claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 75
- 239000012535 impurity Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000010992 reflux Methods 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 70
- 238000011010 flushing procedure Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 21
- 238000005086 pumping Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 3
- 230000000630 rising effect Effects 0.000 claims 1
- 239000010902 straw Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 135
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 230000007704 transition Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of hydraulic pump stations, and particularly relates to a split self-cleaning hydraulic pump station, which comprises an oil tank, wherein an oil return filtering mechanism is arranged on the oil tank and is communicated with an oil return pipe, a fixed cylinder is fixedly arranged in the oil tank, two rotating discs are arranged in the fixed cylinder in an up-down rotating way, a plurality of filtering inner cylinders are arranged between the two rotating discs in a circumferential array way, at least two layers of filter screens are arranged in each filtering inner cylinder, the non-middle position of the upper end surface of the fixed cylinder is communicated with the oil return pipe, the alignment position of the lower end surface of the fixed cylinder and the oil return pipe is communicated with an oil guide pipe, a cleaning reflux assembly is arranged in the fixed cylinder, and the cleaning reflux assembly is used for cleaning and recycling impurities filtered in the filtering inner cylinders; the invention can not only prevent the blockage phenomenon caused by excessive impurities filtered by the filter screen, but also automatically remove the impurities filtered and collected in the inner filter cylinder, thereby improving the service efficiency of the hydraulic pump station.
Description
Technical Field
The invention belongs to the technical field of hydraulic pump stations, and particularly relates to a split self-cleaning hydraulic pump station.
Background
Hydraulic pump: a hydraulic system power element driven by an engine or an electric motor to convert mechanical energy into hydraulic energy; the hydraulic system is a power element driven by an engine or an electric motor, and is an element for sucking oil from a hydraulic oil tank to form pressure oil and discharging the pressure oil to an executing element.
The traditional hydraulic cylinder test bed pump station is an oil tank, and a magnet is usually placed in the oil tank and used for adsorbing impurities such as iron dust in hydraulic oil, so that the aim of cleaning the hydraulic oil is fulfilled, and the smooth performance of a hydraulic cylinder test is ensured.
In the long-term use process of hydraulic oil in the oil tank, the impurity in the oil is more and more, and the impurity that mixes in the oil tank of hydraulic pump station is filtered in the current processing, mostly is to be at the last filter of installing of oil return pipe, realize filtering the impurity that mixes in the oil, and this filter is at the long-time use back filterable impurity and appear blocking up the phenomenon, not only is difficult to carry out self-cleaning to the oil of hydraulic pump station follow-up use and handle, still need carry out whole dismantlement with the filter simultaneously, just can clear up filterable impurity, and then can influence hydraulic pump station's normal use.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a split type self-cleaning hydraulic pump station which comprises an oil tank, wherein an electric motor, a coupler, an oil pump, oil delivery pipes and an electromagnetic valve table are sequentially arranged above the oil tank, an oil suction pipe is communicated with the oil pump, an oil suction filter is communicated with the oil suction pipe, an oil return pipe is communicated with the electromagnetic valve table, an oil return filtering mechanism is arranged on the oil tank and is communicated with the oil return pipe, the oil return filtering mechanism comprises a fixed cylinder, a rotating disc, a filtering inner cylinder, a filter screen and an oil guide pipe, the fixed cylinder is fixedly arranged in the oil tank, two rotating discs are arranged in the fixed cylinder in a vertical rotating manner, a plurality of filtering inner cylinders are arranged between the two rotating discs in a circumferential array manner, at least two layers of filter screens are arranged in each filtering inner cylinder, an oil return pipe is communicated with the non-middle position of the upper end surface of the fixed cylinder, an oil guide pipe is communicated with the alignment position of the lower end surface of the fixed cylinder, a cleaning reflux assembly is arranged in the fixed cylinder, and the cleaning reflux assembly is used for cleaning and recycling impurities filtered in the filtering inner cylinder.
Further, return oil filtering mechanism still includes logical electromagnetic ball, elastic connection pole and bracing piece, the filter screen adopts bowl form structure, and is made for elastic material, and the upper strata the mesh diameter of filter screen is greater than the mesh diameter of lower floor's filter screen, every bowl form the circumference array of filter screen top bowl mouth department has two-layer four sets of logical electromagnetic ball, and is connected to on the section of thick bamboo wall of filtering the inner tube through the elastic connection pole between every logical electromagnetic ball, is located four sets of on the upper strata lead to electromagnetic ball and four sets of circular telegram electromagnetic ball dislocation and non-contact setting from top to bottom that are located the lower floor, the vertical grafting in center department of filter screen has the bracing piece, and the top of bracing piece is connected with circular telegram electromagnetic ball at lower floor middle part.
Further, clear away backward flow subassembly and including wash pipe and back-draw subassembly, the barrel head intercommunication of fixed section of thick bamboo has the wash pipe, and the wash pipe seals and stretches out the oil tank outside, the wash pipe sets up with the axis symmetry of fixed section of thick bamboo with leading oil pipe, be provided with back-draw subassembly in the fixed section of thick bamboo, back-draw subassembly is used for will rotating the waste water automatic back-draw who produces with washing in the filtration inner tube that the wash pipe aligns.
Further, the back suction assembly comprises a suction pipe, a return pipe, fixed pipes, sliding guide pipes, sliding suction pipes, elastic sealing caps, connecting strips and electric push rods, wherein the suction pipe is vertically inserted into the center between two rotating discs, the suction pipe is rotationally connected with the lower rotating disc through a bearing, the lower pipe orifice of the suction pipe is communicated with the return pipe, the return pipe is sealed to penetrate out of the outside of an oil tank, each cylinder wall of the filtering inner cylinder is fixedly provided with two fixed pipes towards the axial line direction of the fixed cylinder, the two fixed pipes are respectively positioned above two layers of filtering nets, each sliding guide pipe is in sealing sliding connection in the fixed pipes, the pipe orifice of the sliding guide pipe positioned in the filtering inner cylinder is in a closed state, the pipe orifice at the outer end of the sliding guide pipe is in an open state, a plurality of suction grooves are formed in the circumferential array of the outer ring surface of the sliding guide pipes, the upper sealing connection of the suction pipe is provided with two sliding suction pipes, the outer pipe orifice of each sliding guide pipe is fixedly provided with the elastic sealing caps, the two riser heads of the elastic sealing caps are aligned with the pipe orifice of the sliding guide pipes which are rotationally aligned, the connecting strips are connected between the two elastic sealing caps, and the connecting strips are horizontally fixed with the pipe wall of the electric push rods.
Further, the oil return filtering mechanism further comprises elastic sealing rings, the elastic sealing rings are respectively and circumferentially fixedly mounted on the upper surface and the lower surface of the two rotating discs, the upper elastic sealing ring and the lower elastic sealing ring are respectively aligned with the upper cylinder opening and the lower cylinder opening of the filtering inner cylinder, the ring opening of each elastic sealing ring is provided with an energizing magnetic ring, and the energizing magnetic rings are in rotary fit contact with the upper cylinder wall and the lower cylinder wall of the fixed cylinder.
Further, the bottom of the fixed cylinder is provided with a collection groove in a front-back symmetrical mode, the bottom of the collection groove is communicated with a liquid discharge pipe, and the liquid discharge pipe extends out of the oil tank in a sealing mode.
Further, the inner pipe wall of the fixed pipe is provided with a sliding groove along the length direction of the inner pipe wall, the outer pipe wall of the sliding guide pipe is provided with a sliding block, the sliding block is inserted into the sliding groove in a sliding mode, and a reset spring is arranged between the sliding block and the sliding groove.
Further, a liquid level meter is arranged on the oil tank and used for measuring oil in the oil tank.
The invention has the following beneficial effects:
1. according to the invention, the plurality of filtering inner cylinders are rotatably arranged in the fixed cylinder, the double-layer filter screen is arranged in the filtering inner cylinders, the clean filtering inner cylinders on the rotating disc are rotated to be communicated with the oil return pipe and the oil guide pipe, the filtering inner cylinders which are used for a long time are rotated to correspond to the transition areas and the cleaning areas from the lower part of the oil return pipe, and then the impurities filtered in the filtering inner cylinders are automatically cleaned through the cleaning reflux component in the fixed cylinder, so that the cleaned filtering inner cylinders are continuously transferred to the lower part of the oil return pipe for continuously filtering the impurities mixed in the reflux oil, the plurality of filtering inner cylinders which are rotated in the fixed cylinder can be automatically replaced, the phenomenon of blockage caused by excessive impurities filtered by the filter screen is avoided, and meanwhile, the oil return filtering mechanism is not required to be removed, so that the impurities filtered and collected in the filtering inner cylinders can be automatically cleaned, and the service efficiency of the hydraulic pump station can be improved.
2. According to the invention, the suction pipe is vertically rotatably arranged in the middle of the rotating disc, the sliding of the sliding suction pipe is aligned with the sliding guide pipe through the elastic sealing cap, the sliding guide pipe is pushed into the filtering inner cylinder, and then the flushing liquid flushed out by the flushing pipe can flush and push the impurities collected by the bowl-shaped filter screen upwards, and then the impurities are sucked into the suction pipe through the suction groove of the sliding guide pipe and the sliding suction pipe and then are discharged through the return pipe, so that the impurities filtered in the filter screen can be conveniently and rapidly flushed and discharged, and the metal scrap iron adsorbed on the electrified magnetic ball can be flushed and discharged, so that the automatic cleaning treatment of the filtering inner cylinder and the filter screen is facilitated, and the filtered impurities can be cleaned and discharged without detaching the filtering inner cylinder from the fixed cylinder.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present disclosure;
FIG. 2 is a schematic diagram of the structure of the oil return filtering mechanism disclosed by the invention;
FIG. 3 is a schematic view of the internal structure of the fixing barrel disclosed by the invention;
FIG. 4 is a schematic view of a cleaning reflow assembly according to the present disclosure;
FIG. 5 is a cross-sectional view of the disclosed filter cartridge;
fig. 6 is an enlarged view of a portion of fig. 5 a of the present disclosure.
In the figure: 1. an oil tank; 2. an oil return pipe; 3. an oil return filtering mechanism; 31. a fixed cylinder; 311. a collection groove; 32. a rotating disc; 33. filtering the inner cylinder; 34. a filter screen; 35. an oil guide pipe; 36. a solenoid is communicated; 37. an elastic connecting rod; 38. a support rod; 39. an elastic sealing ring; 391. electrifying the magnetic ring; 4. cleaning the reflux assembly; 41. a flushing pipe; 42. a suction tube; 43. a return pipe; 44. a fixed tube; 441. a slip groove; 45. sliding the catheter; 451. a suction groove; 46. sliding suction pipe; 47. an elastic sealing cap; 48. a connecting strip; 49. an electric push rod; 491. a sliding block; 5. a liquid discharge pipe; 6. a motor; 7. a coupling; 8. an oil pump; 9. an oil delivery pipe; 10. an electromagnetic valve table; 11. and (5) sucking the oil pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the invention discloses a split type self-cleaning hydraulic pump station, which comprises an oil tank 1, a motor 6, a coupler 7, an oil pump 8, an oil delivery pipe 9 and an electromagnetic valve table 10 are sequentially arranged above the oil tank 1, wherein the oil pump 8 is communicated with an oil suction pipe 11, the oil suction pipe 11 is communicated with an oil suction filter, the electromagnetic valve table 10 is communicated with an oil return pipe 2, an oil return filtering mechanism 3 is arranged on the oil tank 1, the oil return filtering mechanism 3 is communicated with the oil return pipe 2, the oil return filtering mechanism 3 comprises a fixed cylinder 31, a rotating disc 32, a filtering inner cylinder 33, a filter screen 34 and an oil guide pipe 35, the fixed cylinder 31 is fixedly arranged inside the oil tank 1, two rotating discs 32 are arranged inside the fixed cylinder 31 in a vertically rotating way, a plurality of filtering inner cylinders 33 are arranged in a circumferential array between the two rotating discs 32, at least two layers of filter screens 34 are arranged inside each filtering inner cylinder 33, the upper end surface of the fixed cylinder 31 is communicated with the oil return pipe 2, the lower end surface of the fixed cylinder 31 is communicated with the oil return pipe 2, the position of the oil guide pipe 35 is communicated with the oil return pipe 2, and the filtering inner cylinder 31 is arranged at the position of the lower end surface of the fixed cylinder 31, and the fixed cylinder is communicated with the oil guide pipe 2, and the filtering return 4 is used for cleaning a reflux component 4 and is arranged inside the fixed cylinder component 4 and is used for cleaning the reflux component 4;
in the scheme of the design of the invention, the oil return filtering mechanism 3 is arranged at the oil return pipe 2, when the oil in the oil return pipe 2 is discharged into the oil tank 1, the oil firstly enters the inner filtering cylinder 33 aligned with the oil return pipe 2 in the fixed cylinder 31, the double-layer filter screen 34 can filter and intercept the impurities mixed in the oil, so that the impurities in the oil can be intercepted into the inner filtering cylinder 33, the filtered oil is then lowered into the oil tank 1 through the oil guide pipe 35 for recycling, and when the oil is filtered for a long time by the filtering inner cylinder 33 communicated with the oil return pipe 2, a great amount of impurities remain on the filter screen 34, the hydraulic pump station can be controlled to stop working briefly at this time, then the servo motor fixed above the fixed cylinder 31 is controlled to work, so that the servo motor drives the rotating disc 32 to rotate through the output shaft, while the clean filter inner cylinder 33 on the rotating disc 32 rotates to be communicated with the oil return pipe 2 and the oil guide pipe 35, while the filter drum 33 which has been used for a long time is rotated from below the oil return tube 2 to the corresponding transition region and cleaning region, then the impurity filtered in the inner filter cylinder 33 is automatically cleaned by the cleaning and refluxing component 4 in the fixed cylinder 31, the cleaned filter inner cylinder 33 is continuously transferred to the lower part of the oil return pipe 2 for the next time, the mixed impurities in the returned oil are continuously filtered, the plurality of filter inner cylinders 33 rotating in the fixed cylinder 31 can be automatically replaced, so that the phenomenon of blockage caused by excessive impurities filtered by the filter screen 34 can not occur, meanwhile, the oil return filtering mechanism 3 is not required to be dismantled, and the impurities filtered and collected in the filtering inner cylinder 33 can be automatically removed, so that the service efficiency of the hydraulic pump station can be improved.
As an implementation mode of the invention, the oil return filtering mechanism 3 further comprises electromagnetic passing balls 36, elastic connecting rods 37 and supporting rods 38, the filter screen 34 is of a bowl-shaped structure and is made of elastic materials, the mesh diameter of the filter screen 34 on the upper layer is larger than that of the filter screen 34 on the lower layer, two layers of four groups of electromagnetic passing balls 36 are circumferentially arranged at the bowl opening above each bowl-shaped filter screen 34, each electromagnetic passing ball 36 is connected to the cylinder wall of the filtering inner cylinder 33 through the elastic connecting rod 37, the four groups of electromagnetic passing balls 36 on the upper layer and the four groups of electromagnetic passing balls 36 on the lower layer are arranged in a non-contact way up and down, the supporting rods 38 are vertically inserted in the center of the filter screen 34, and the top of the supporting rods 38 are connected with the electromagnetic passing balls 36 in the middle of the lower layer;
in the scheme of the design of the invention, when the oil in the oil return pipe 2 enters the filtering inner cylinder 33 for filtering, the upper layer and the lower layer of the electromagnetic balls 36 are electrified at the moment to have magnetic adsorption force, so that scrap iron impurities mixed in the oil can be adsorbed and filtered, the scrap iron impurities cannot directly fall into the filter screen 34, the filter screen 34 is arranged into a bowl-shaped structure, the filtered impurities can be gathered at the inner bottom of the filter screen 34, and the mesh of the filter screen 34 is prevented from being completely blocked; meanwhile, the magnetism of the upper layer or the lower layer of the electrified magnetic balls 36 can be controlled to be the same or opposite, when the magnetism of the upper layer and the lower layer of the electrified magnetic balls 36 is the same, a mutual repulsive force can be generated, and as the upper layer and the lower layer of the electrified magnetic balls 36 are connected through the elastic connecting rods 37, the lower layer of the electrified magnetic balls 36 are settled downwards to push the bottom of the bowl-shaped filter screen 34 to deform downwards through the supporting rods 38, and when the magnetism of the two layers of the electrified magnetic balls 36 is opposite, the two layers of the electrified magnetic balls 36 generate adsorption force to be close to each other, at the moment, the supporting rods 38 can drive the bottom of the bowl-shaped filter screen 34 to swing upwards, so that the magnetism of the double-layer electrified magnetic balls 36 is changed, not only can not influence adsorption filtration of scrap iron mixed in oil, but also can drive the bottom of the bowl-shaped filter screen 34 to shake, so that the filtering and removing effects of impurities mixed in the bowl-shaped filter screen 34 on the oil can be further improved, and the blocking phenomenon generated when the filter screen 34 filters the oil can be further reduced.
As an embodiment of the present invention, the cleaning and refluxing assembly 4 includes a flushing pipe 41 and a back-pumping assembly, the bottom of the fixed cylinder 31 is communicated with the flushing pipe 41, the flushing pipe 41 extends out of the oil tank 1 in a sealing way, the flushing pipe 41 and the oil guide pipe 35 are symmetrically arranged with the central axis of the fixed cylinder 31, the back-pumping assembly is arranged in the fixed cylinder 31, and the back-pumping assembly is used for automatically pumping back the waste water generated by flushing in the filtering inner cylinder 33 which is aligned with the flushing pipe 41;
in the design scheme of the invention, when the filtered filter inner cylinder 33 rotates to the flushing area to be aligned with the flushing pipe 41, the water pump on the external frame of the oil tank 1 can be controlled to work at the moment, so that clean solution is injected into the filter inner cylinder 33 to be cleaned upwards through the flushing pipe 41, the clean solution can flush the bowl-shaped filter screen 34, meanwhile, the back suction assembly is communicated with the filter inner cylinder 33, impurities filtered in the bowl-shaped filter screen 34 are sucked and discharged from the filter inner cylinder 33 through the back suction assembly, meanwhile, the electromagnetic ball 36 is controlled to be powered off, so that the magnetic adsorption force of the electromagnetic ball is lost, and the clean solution filled into the filter inner cylinder 33 can synchronously flush scrap iron, thereby being convenient for automatically cleaning the filter inner cylinder 33 and the filter screen 34, and realizing cleaning and discharging of the filtered impurities without detaching the filter inner cylinder 33 from the fixed cylinder 31.
As an embodiment of the present invention, the back suction assembly includes a suction pipe 42, a return pipe 43, a fixed pipe 44, a sliding guide pipe 45, a sliding suction pipe 46, an elastic sealing cap 47, a connecting strip 48 and an electric push rod 49, wherein the suction pipe 42 is vertically inserted into the center between two rotating discs 32, the suction pipe 42 is rotationally connected with the lower rotating disc 32 through a bearing, the lower pipe orifice of the suction pipe 42 is communicated with the return pipe 43, the return pipe 43 is sealed and penetrates out of the oil tank 1, the cylinder wall of each inner filter cylinder 33 is fixed with two fixed pipes 44 towards the axial line direction of the fixed cylinder 31, the two fixed pipes 44 are respectively located above two layers of filter screens 34, each fixed pipe 44 is internally provided with a sliding guide pipe 45 in a sealing state, the pipe orifice of the sliding guide pipe 45 is located in a closed state, the pipe orifice of the outer end of the filter inner cylinder 33 is in an open state, a circumferential array of the outer ring surface of the sliding guide pipe 45 is provided with a plurality of suction grooves 451, the two sliding guide pipes 46 are in a sealing sliding manner on the suction pipe 42, the outer end orifice of each sliding guide pipe 46 is fixed with an elastic sealing cap 47, the two sealing caps 47 are respectively located at the axial line direction of the axial line of the fixed with the fixed pipe 31, the two sealing caps are aligned with the two sealing caps 48, and the two sealing caps 48 are connected with the electric push rod 48 in a sealing connection state, and the sealing strip 48 is horizontally aligned with the sealing connection between the two sealing caps 48 and is connected with the sealing strips and connected with the sealing rod 48 in a sealing connection;
in the design scheme of the invention, when the rotating disc 32 drives the filter inner cylinder 33 to be cleaned to rotate above the flushing pipe 41, at the moment, two sliding guide pipes 45 on the side wall of the filter inner cylinder 33 are aligned with two sliding guide pipes 46 on the side wall of the vertical suction pipe 42, then the piston rod of the electric push rod 49 is controlled to extend, the piston rod of the electric push rod 49 drives two elastic sealing caps 47 to be in sealing connection with the pipe orifice of the sliding guide pipe 45 through a connecting strip 48, then the elastic sealing caps 47 push the sliding guide pipe 45 to slide in the fixed pipe 44 along with the continuous extension of the piston rod of the electric push rod 49, the sliding guide pipe 46 continuously slides out from the side surface of the suction pipe 42, the sliding guide pipe 45 continuously extends towards the filter inner cylinder 33, a plurality of suction grooves 451 formed on the outer ring surface of the sliding guide pipe 45 are in an open state, then the suction force of the suction pump acts on the filter inner cylinder 33 through the return pipes 43, 42, the sliding guide pipes 46 and the sliding guide pipes 45, the flushing liquid flushed by the flushing pipe 41 washes and pushes the impurities filtered and collected in the bowl-shaped filter screen 34 upwards, then is sucked into the suction pipe 42 through the suction groove 451 of the sliding guide pipe 45 and the sliding suction pipe 46, and then is discharged through the return pipe 43, when an operator finds that the flushing liquid pumped by the return pipe 43 is clean, the flushing pipe 41 stops flushing, the suction pipe 42 pumps the superfluous flushing liquid in the filter inner cylinder 33, the flushing pipe 41 also pumps the flushing liquid below the lower filter screen 34 of the filter inner cylinder 33, then the piston rod of the electric push rod 49 is contracted, the elastic sealing cap 47 is separated from pushing the sliding guide pipe 45, the sliding suction pipe 46 is retracted into the suction pipe 42, and then the suction groove 451 formed on the outer ring surface of the sliding guide pipe 45 is retracted into the fixed pipe 44 for sealing treatment, then the rotating disc 32 continues to intermittently rotate and transfers the cleaned filter inner cylinder 33 to the transition zone for parking, so that the residual cleaning liquid in the cleaned filter inner cylinder 33 can fall into the bottom of the fixed cylinder 31 for cleaning again, and when the cleaned filter inner cylinder 33 rotates to be aligned with the oil return pipe 2, the inner wall of the filter inner cylinder 33 has the residual cleaning liquid to be mixed with flowing oil, and the safe and normal use of the oil can be influenced.
As an embodiment of the present invention, the oil return filtering mechanism 3 further includes an elastic sealing ring 39, a plurality of elastic sealing rings 39 are respectively and fixedly mounted on the upper and lower surfaces of the two rotating discs 32 circumferentially, the upper and lower elastic sealing rings 39 are respectively aligned with the upper and lower cylinder openings of the filtering inner cylinder 33, the ring openings of the elastic sealing rings 39 are provided with an energizing magnetic ring 391, and the energizing magnetic ring 391 is in rotational contact with the upper and lower cylinder walls of the fixed cylinder 31;
in the scheme of the invention, when the rotating disc 32 drives the filter inner cylinder 33 to rotate, the upper elastic sealing ring 39 and the lower elastic sealing ring 39 are attached to the upper inner wall and the lower inner wall of the fixed cylinder 31 at the moment, and when the rotating disc 32 stops rotating, the magnetic adsorption force generated by electrifying the electrifying magnetic ring 391 generated by the annular opening of the elastic sealing ring 39 can adsorb and fix the elastic sealing ring 39 on the upper cylinder wall and the lower cylinder wall of the fixed cylinder 31, so that the alignment accuracy of the filter inner cylinder 33, the oil guide pipe 35 and the oil return pipe 2 can be improved, the tightness of the communication between the filter inner cylinder 33 and the oil return pipe 2 of the elastic sealing ring 39 can be improved, the oil in the oil return pipe 2 is prevented from leaking into the solid cylinder, and simultaneously, the cylinder opening of the filter inner cylinder 33 to be cleaned can be attached to the upper cylinder wall and the lower cylinder wall of the fixed cylinder 31 in a sealing way through the elastic sealing ring 39, and the sealing cleaning of the filter inner cylinder 33 is realized; when the rotating disc 32 rotates, the energizing magnetic ring 391 is deenergized, so that the elastic sealing ring 39 is separated from the adsorption with the upper and lower cylinder walls of the fixed cylinder 31, and the inner filtering cylinder 33 is convenient to rotate and clean or align with the pipe orifice of the oil return pipe 2.
As an implementation mode of the invention, the bottom of the fixed cylinder 31 is symmetrically provided with the collecting grooves 311 in front and back, the bottoms of the collecting grooves 311 are communicated with the liquid discharge pipe 5, and the liquid discharge pipe 5 extends out of the oil tank 1 in a sealing way; in the design scheme of the invention, taking the anticlockwise rotation of the rotating disc 32 as an example, when the filter inner cylinder 33 to be cleaned rotates anticlockwise to a transition area at the front side of the fixed cylinder 31, the oil adhered to the inner wall of the filter inner cylinder 33 can drop downwards into the collecting groove 311 at this time, and then the drain pipe 5 can suck and drain the oil collected in the collecting groove 311; when the cleaned filter inner cylinder 33 rotates to the transition area at the rear side of the fixed cylinder 31, the cleaning solution adhered to the inner wall of the filter inner cylinder 33 falls into the collecting groove 311 and is discharged through the liquid discharge pipe 5, and when the rotating disc 32 continues to intermittently rotate, the filter inner cylinder 33 positioned at the rear side filter area rotates to be aligned with the oil return pipe 2, and the filter inner cylinder 33 to be cleaned positioned at the front side transition area rotates to be above the flushing pipe 41 for flushing treatment.
As an embodiment of the present invention, the inner tube wall of the fixed tube 44 is provided with a sliding groove 441 along the length direction thereof, the outer tube wall of the sliding tube 45 is provided with a sliding block 491, the sliding block 491 is slidably inserted into the sliding groove 441, and a return spring is installed between the sliding block 491 and the sliding groove 441; in the design of the invention, when the sliding guide pipe 45 slides into the filtering inner cylinder 33, the sliding block 491 slides in the sliding groove 441, and the return spring is compressed; when the elastic sealing cap 47 is separated from pushing the sliding guide pipe 45, the elastic restoring force of the restoring spring pushes the sliding guide pipe 45 to retract toward the fixed pipe 44 through the sliding block 491, so that the suction groove 451 of the sliding guide pipe 45 is sealed in the fixed pipe 44, and normal oil filtering treatment of the filtering inner cylinder 33 is not affected.
As an embodiment of the present invention, the oil tank 1 is provided with a level gauge for measuring oil in the oil tank 1.
Working principle:
when the oil in the oil return pipe 2 is discharged into the oil tank 1, the oil firstly enters the filter inner cylinder 33 aligned with the oil return pipe 2 in the fixed cylinder 31, the double-layer filter screen 34 filters and intercepts the mixed impurities in the oil, so that the impurities in the oil can be intercepted into the filter inner cylinder 33, the filtered oil descends into the oil tank 1 through the oil guide pipe 35 for recycling, when the filter inner cylinder 33 communicated with the oil return pipe 2 filters the oil for a long time, so that a large amount of impurities remain on the filter screen 34, the hydraulic pump station can be controlled to stop working briefly at this time, then the servo motor fixed above the fixed cylinder 31 is controlled to work, the rotating disc 32 is driven to rotate through the output shaft, the clean filter inner cylinder 33 on the rotating disc 32 is rotated to be communicated with the oil return pipe 2 and the oil guide pipe 35, when the filter inner cylinder 33 to be cleaned is driven by the rotating disc 32 to rotate above the flushing pipe 41, the two sliding guide pipes 45 on the side wall of the filter inner cylinder 33 are aligned with the two sliding guide pipes 46 on the side wall of the vertical suction pipe 42, then the piston rod of the electric push rod 49 is controlled to extend, so that the piston rod of the electric push rod 49 drives the two elastic sealing caps 47 to be in sealing connection with the pipe orifice of the sliding guide pipes 45 through the connecting strip 48, then the piston rod of the electric push rod 49 continuously extends, at the moment, the elastic sealing caps 47 can push the sliding guide pipes 45 to slide in the fixed pipes 44, the sliding guide pipes 46 can continuously slide out from the side surfaces of the suction pipes 42 in a sealing manner, the sliding guide pipes 45 continuously extend towards the inside of the filter inner cylinder 33, at the moment, the plurality of suction grooves 451 formed on the outer ring surface of the sliding guide pipes 45 are in an open state, then suction force of the suction pump acts on the inner filter cylinder 33 through the return pipe 43, the suction pipe 42, the sliding suction pipe 46 and the sliding guide pipe 45, flushing fluid flushed out of the flushing pipe 41 washes out impurities collected by filtration in the bowl-shaped filter screen 34 upwards and pushes the impurities upwards, the impurities are sucked into the suction pipe 42 through the suction groove 451 of the sliding guide pipe 45 and the sliding suction pipe 46, the impurities are discharged through the return pipe 43, after an operator finds that flushing fluid pumped back by the return pipe 43 is clean, the flushing pipe 41 stops flushing, the suction pipe 42 pumps out excessive flushing fluid in the inner filter cylinder 33, meanwhile, the flushing pipe 41 also pumps back flushing fluid below the lower filter screen 34 of the inner filter cylinder 33, a piston rod of the electric push rod 49 contracts, the elastic sealing cap 47 is separated from pushing the sliding guide pipe 45, the sliding suction pipe 46 is retracted into the suction pipe 42, the suction groove 451 formed in the outer ring surface of the sliding guide pipe 45 is sealed in the fixed pipe 44, the inner filter cylinder 33 after cleaning is transferred to a transition area through continuous intermittent rotation of the rotating disc 32, cleaning solution adhered to the inner filter cylinder 33 drops into the collection groove 311, the inner filter cylinder is discharged through the intermittent rotation of the rotating disc 32, and the liquid discharging pipe is continuously rotated to the intermittent rotation of the liquid discharging pipe 2 when the intermittent rotation is continuously rotates to the liquid discharging area 2 continuously, and the liquid is continuously rotated to be aligned with the intermittent rotation area of the filter pump station when the intermittent rotation is continuously rotates.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a split type self-cleaning hydraulic power unit, includes oil tank (1), motor (6), shaft coupling (7), oil pump (8), oil pipe (9) and solenoid valve platform (10) in proper order in oil tank (1) top, its characterized in that, the intercommunication has oil suction pipe (11) on oil pump (8), and the intercommunication has the oil suction filter on oil suction pipe (11), the intercommunication has oil return pipe (2) on solenoid valve platform (10), be provided with oil return filtering mechanism (3) on oil tank (1), and oil return filtering mechanism (3) and oil return pipe (2) intercommunication, oil return filtering mechanism (3) are including fixed section of thick bamboo (31), rolling disc (32), filter inner tube (33), filter screen (34) and oil guide pipe (35), fixed section of thick bamboo (31) fixed mounting is inside oil tank (1), and fixed section of thick bamboo (31) inside rotation is provided with two rolling disc (32) from top to bottom, and a plurality of filtration inner tube (33) are installed to circumference array between rolling disc (32), every filter inner tube (33) are all installed in two deck (31), filter the filter tube (31) and have end face (31) and return pipe (35) to the fixed end face (35) and the end face of returning to the fixed section of thick bamboo (31), the fixed cylinder (31) is internally provided with a cleaning reflux component (4), and the cleaning reflux component (4) is used for cleaning and recycling impurities filtered in the filtering inner cylinder (33).
2. The split type self-cleaning hydraulic pump station according to claim 1, wherein the oil return filtering mechanism (3) further comprises electromagnetic balls (36), elastic connecting rods (37) and supporting rods (38), the filter screen (34) is of a bowl-shaped structure and made of elastic materials, the mesh diameter of the upper filter screen (34) is larger than that of the lower filter screen (34), two layers of four groups of electromagnetic balls (36) are circumferentially arrayed at a bowl opening above each bowl-shaped filter screen (34), each electromagnetic ball (36) is connected to the cylinder wall of the filtering inner cylinder (33) through the elastic connecting rods (37), the four groups of electromagnetic balls (36) located on the upper layer are staggered up and down and are in non-contact arrangement with the four groups of electromagnetic balls (36) located on the lower layer, the supporting rods (38) are vertically spliced at the center of the filter screen (34), and the tops of the supporting rods (38) are connected with the electromagnetic balls (36) in the middle of the lower layer.
3. The split self-cleaning hydraulic pump station according to claim 1, wherein the cleaning reflux assembly (4) comprises a flushing pipe (41) and a back-pumping assembly, the bottom of the fixed barrel (31) is communicated with the flushing pipe (41), the flushing pipe (41) is sealed to extend out of the oil tank (1), the flushing pipe (41) and the oil guide pipe (35) are symmetrically arranged with the central axis of the fixed barrel (31), the back-pumping assembly is arranged in the fixed barrel (31), and the back-pumping assembly is used for automatically pumping back waste water generated by flushing in the filtering inner barrel (33) aligned with the flushing pipe (41) after rotating.
4. A split self-cleaning hydraulic pump station according to claim 3, wherein the back-pumping assembly comprises a pumping pipe (42), a return pipe (43), a fixed pipe (44), a sliding guide pipe (45), a sliding suction pipe (46), an elastic sealing cap (47), a connecting strip (48) and an electric push rod (49), wherein the pumping pipe (42) is vertically inserted into the center between two rotating discs (32), the pumping pipe (42) is rotationally connected with the lower rotating disc (32) through a bearing, the lower pipe orifice of the pumping pipe (42) is communicated with the return pipe (43), the return pipe (43) penetrates out of the oil tank (1) in a sealing manner, two fixed pipes (44) are fixed on the cylinder wall of each filtering inner cylinder (33) towards the axial line direction of the fixed cylinder (31), the two fixed pipes (44) are respectively positioned above two layers of filter screens (34), the sliding guide pipe (45) are respectively inserted in each fixed pipe (44) in a sealing manner, the pipe orifice of the sliding guide pipe (45) is in a sealing manner, the outer pipe orifice of the filtering inner cylinder (33) is in a sealing state, the outer pipe orifice of the sliding guide pipe (45) is in an opening state, the outer pipe (45) is in a sealing manner, the circumference of the pumping pipe (45) is provided with a plurality of sliding guide pipes (46), and the outer end mouth of pipe of every slip straw (46) is fixed with elasticity sealing cap (47), and two the rising head of elasticity sealing cap (47) aligns with the mouth of pipe of the slip pipe (45) of rotating alignment, is connected with connecting strip (48) between two elasticity sealing cap (47), and is fixed with electric putter (49) on connecting strip (48) level, the piston rod of electric putter (49) is connected with the pipe wall of suction tube (42).
5. The split self-cleaning hydraulic pump station according to claim 2, wherein the oil return filtering mechanism (3) further comprises elastic sealing rings (39), a plurality of the elastic sealing rings (39) are respectively and fixedly mounted on the upper surface and the lower surface of the two rotating discs (32) in a circumferential manner, the upper elastic sealing rings (39) are respectively aligned with the upper cylinder mouth and the lower cylinder mouth of the filtering inner cylinder (33), an energizing magnetic ring (391) is arranged at the ring mouth of the elastic sealing rings (39), and the energizing magnetic ring (391) is in rotary fit contact with the upper cylinder wall and the lower cylinder wall of the fixed cylinder (31).
6. The split self-cleaning hydraulic pump station according to claim 5, wherein the bottom of the fixed cylinder (31) is provided with collecting grooves (311) in a front-back symmetrical manner, the bottoms of the collecting grooves (311) are communicated with a liquid discharge pipe (5), and the liquid discharge pipe (5) extends out of the oil tank (1) in a sealing manner.
7. The split self-cleaning hydraulic pump station according to claim 4, wherein the inner tube wall of the fixed tube (44) is provided with a sliding groove (441) along the length direction thereof, the outer tube wall of the sliding guide tube (45) is provided with a sliding block (491), the sliding block (491) is slidably inserted into the sliding groove (441), and a return spring is arranged between the sliding block (491) and the sliding groove (441).
8. The split self-cleaning hydraulic pump station according to claim 1, wherein the oil tank (1) is provided with a liquid level meter for measuring oil in the oil tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410066536.7A CN117703851A (en) | 2024-01-16 | 2024-01-16 | Split self-cleaning hydraulic pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410066536.7A CN117703851A (en) | 2024-01-16 | 2024-01-16 | Split self-cleaning hydraulic pump station |
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| Publication Number | Publication Date |
|---|---|
| CN117703851A true CN117703851A (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410066536.7A Pending CN117703851A (en) | 2024-01-16 | 2024-01-16 | Split self-cleaning hydraulic pump station |
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| CN (1) | CN117703851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118128802A (en) * | 2024-05-06 | 2024-06-04 | 山东骏玛道机械有限公司 | Pressureless oil return structure for tractor hydraulic output system |
-
2024
- 2024-01-16 CN CN202410066536.7A patent/CN117703851A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118128802A (en) * | 2024-05-06 | 2024-06-04 | 山东骏玛道机械有限公司 | Pressureless oil return structure for tractor hydraulic output system |
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