CN114017657B

CN114017657B - Oil supply device for lubricating heavy machinery with thin oil

Info

Publication number: CN114017657B
Application number: CN202210007901.8A
Authority: CN
Inventors: 陈岗; 倪凯凯
Original assignee: Dalong Energy Saving Hydraulic Technology Qidong Co ltd
Current assignee: Dalong Energy Saving Hydraulic Technology Qidong Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-03-08
Anticipated expiration: 2042-01-06
Also published as: CN114017657A

Abstract

The invention discloses an oil supply device for lubricating heavy machinery thin oil, which comprises an oil supply device main body, a base and a refrigerating device, wherein the oil supply device main body comprises an oil storage tank, a dirty oil pump, a cooling tank, an oil supply pump, a filtering tank and a cooler are arranged above the oil storage tank The floating plate and the second magnetic block can prevent lubricating oil from shaking in the oil storage tank.

Description

Oil supply device for lubricating heavy machinery with thin oil

Technical Field

The invention relates to the technical field of oil supply equipment, in particular to an oil supply device for thin oil lubrication of heavy machinery.

Background

Heavy machinery is mostly equipped with special oil supply unit when thin oil lubricates, usually is the thin oil station, and present oil supply unit generally comprises oil tank, oil pump, filter and various valves etc. in order to practice thrift lubricating oil, many oil supply equipment have still been equipped with the circulation lubrication system.

In the process of recycling lubricating oil by the conventional oil supply device, a large amount of metal particles such as scrap iron and the like are gradually gathered in the magnetic filter, the conventional method for cleaning the magnetic filter is basically to directly disassemble the magnetic filter, in the disassembling and cleaning processes, external dust and impurities frequently float in an oil inlet pipe to reduce the cleanliness of the lubricating oil, and the sealing effect is weakened due to too frequent disassembling of the magnetic filter, in addition, the conventional oil supply device cannot generally judge the cleanliness of a lubricated part of heavy machinery, if the lubricated part of the heavy machinery is communicated with the external environment, the oil supply device is generally arranged in an underground oil depot or a ground pit near a machine and has poor cleanliness, so that the dust and the impurities in the external environment can continuously enter the oil supply device along with a circulating lubrication system, and the normal operation of the oil supply device is influenced, meanwhile, the parts of heavy machinery which move relatively can be abraded due to the friction of impurities, and finally the oil supply device is mainly used in the work of metallurgy, mines, cement and the like.

Disclosure of Invention

The present invention is directed to an oil supply device for thin oil lubrication of heavy machinery, which solves the above problems of the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an oil supply unit for heavy machinery thin oil lubrication, includes oil supply unit main part, base and refrigerating plant, the oil supply unit main part includes the batch oil tank, the top of batch oil tank is provided with sump oil pump, cooling tank, fuel feed pump, filter tank and cooler, one side that the batch oil tank is close to the cooling tank is provided with magnetic filter and edulcoration device, the cooler is connected with heavy machinery equipment through an oil pipe, all be provided with the valve on oil pipe and the oil pipe, magnetic filter is connected with heavy machinery equipment through the oil pipe, magnetic filter's inside is provided with third filter screen and electromagnetic bar, one side of magnetic filter lower extreme is connected with the edulcoration device, one side that the edulcoration device was kept away from in the magnetic filter upper end is connected with the cooling tank through oil pipe and oil pump, magnetic filter's top intermediate position department is connected with the cooling tank through oil pipe and flow valve, the impurity removing device comprises a pressurizer, a flow increasing pipe and a fixing box, the magnetic filter is connected with the flow increasing pipe through the pressurizer, the fixing box is arranged below the middle position of the flow increasing pipe through a connecting pipe, the flow increasing pipe is thick at two ends and thin in the middle, the fixing box is communicated with the outside air through a through hole, a dustproof net is arranged on the through hole, a current converter, a supporting frame, an impurity collecting tank and a second magnetic field generator are arranged inside the fixing box, the current converter is arranged below the supporting frame, the impurity collecting tank is arranged above the supporting frame, the second magnetic field generator is arranged above the impurity collecting tank, the second magnetic field generator is electrically connected with the current converter through a lead, a lifting tank and a lifting plate are arranged inside the connecting pipe, a plurality of groups of filtering holes are formed in the outer surface of the lifting tank, and the lifting tank penetrates through the lifting plate, the top of lift jar is provided with sealed piece, a set of seal groove has been seted up to the upper surface of lifter plate, sealed piece cooperatees with the seal groove, the diameter of sealed piece is greater than the diameter of lift jar, the bottom of lift jar is provided with the fifth magnetic path, the inside of lift jar is provided with the iron core, be connected through the hose between miscellaneous jar of collection and the lift jar.

The present invention provides an oil supply device for heavy machinery, which is usually installed in an underground oil depot or a pit near mechanical equipment, so the environment is poor, when workers disassemble a magnetic filter to clean scrap iron, external dust and impurities often float in an oil inlet pipe, and the disassembly of the magnetic filter is too frequent, which can cause the weakening of the sealing effect. Then the scrap iron in the magnetic filter is flushed into the impurity removing device, the lubricating oil with the scrap iron is filled with pressure through the pressurizer and finally flows into the flow increasing pipe, the flow increasing pipe is thick at two ends and thin in the middle, the speed of the lubricating oil with the scrap iron is suddenly increased when the lubricating oil flows through the middle position of the flow increasing pipe, and then a siphon effect is generated, as the fixed box is communicated with the outside air through the through hole, the impurity collecting tank and the lifting tank in the connecting pipe can automatically rise and enter the flow increasing pipe under the action of the outside atmospheric pressure, at the moment, the second magnetic field generator is started, the second magnetic field generator generates an alternating magnetic field through the current converter, according to the electromagnetic induction principle, an iron core arranged in the lifting tank can generate a group of induction currents which can generate a group of induction magnetic fields, the purpose of adsorbing the scrap iron can be achieved through the group of induction magnetic fields, and after a period of time, make during direct current inputed to second magnetic field generator through the transverter, and then make second magnetic field generator produce even unchangeable magnetic field, reach the purpose of attracting the fifth magnetic path through this magnetic field, the suction that this magnetic field produced should be greater than the suction that the increase flow tube siphon effect produced simultaneously, after the jar descends when going up and down, close the oil pump, in this in-process seal block can drop in the seal groove, prevent lubricating oil from flowing out in the connecting tube through seal block and seal groove, after the magnetic field that second magnetic field generator produced changes simultaneously, the induced magnetic field on the iron core disappears, iron fillings on the iron core can drop in the collection miscellaneous jar at last, through the very big improvement of edulcoration device cleaning iron fillings's efficiency not only, the leakproofness of whole device and the cleanliness factor of lubricating oil have still been guaranteed.

Furthermore, the top of advancing oil pipe is provided with the check valve, the inside of check valve is provided with flexure strip, dog and fixing base, the flexure strip is domes, the outer convex surface of flexure strip is close to magnetic filter, be provided with a plurality of groups of anti-magnetic path on the outer convex surface of flexure strip.

According to the technical scheme, when scrap iron is cleaned, as scrap iron in lubricating oil tends to sink, in order to avoid the accumulation of scrap iron at one end, close to the magnetic filter, of the inner portion of the one-way valve, the groups of diamagnetic blocks are arranged on the outer convex surface of the elastic sheet, the purpose of repelling the scrap iron can be achieved through the groups of diamagnetic blocks, in addition, the elastic sheet has certain elasticity, in the process of flushing the magnetic filter, a part of the lubricating oil with the scrap iron flows back into the one-way valve, at the moment, the elastic sheet can be stressed to deform gradually into a planar structure, and finally, the larger the deformation amplitude of the elastic sheet is, the larger the repulsion force of the groups of diamagnetic blocks to the scrap iron in the lubricating oil is, so that the scrap iron cleaning effect is ensured.

Furthermore, the two ends of the elastic sheet are movably connected with the check block through a connecting rod, a pressure gauge is arranged at the middle position of the elastic sheet, the fixing seats are fixedly installed at the two ends of the inner wall of the one-way valve, one end of the check block extends out of the fixing seats, and the other end of the check block is connected with the fixing seats through springs.

Through the technical scheme, when scouring away magnetic filter, if close the flow valve, the lubricating oil velocity of flow in the magnetic filter is enough big in the oil pump transport simultaneously, then the pressure in the magnetic filter can diminish gradually, lubricating oil in the check valve can rise to the magnetic filter according to Bernoulli's principle at last, and flow to in the edulcoration device along the lubricating oil that the oil pump transport sent into in the magnetic filter together, the pressure gauge comprises telescopic link and piezoelectric crystal, the pressure gauge is connected with the outside ampere meter simultaneously, when lubricating oil in the check valve rises, the pointer on the outside ampere meter can change, through the change of detection current, the staff can judge that the oil pump should use how big power just can inhale the lubricating oil in the check valve to the magnetic filter in, and then prevent that the lubricating oil that has the iron fillings from piling up in the check valve.

Further, the inside of batch oil tank is provided with dirty oil pipe, one side that dirty oil pipe is close to the cooling tank is provided with first filter screen, one side that dirty oil pipe is close to the fuel feeding pump is provided with the second filter screen, the filtration pore diameter of second filter screen is less than the filtration pore diameter of first filter screen, first filter screen is one-way filter screen, be provided with the fourth magnetic path on the dirty oil pipe, the lower extreme of fourth magnetic path is provided with the infiltration pipe, the inside of infiltration pipe is provided with the level gauge.

Through the technical scheme, the oil storage tank is divided into A, B two areas through the first filter screen and the second filter screen, lubricating oil after use flows into the area A through the cooling tank, lubricating oil filtered by the first filter screen and the second filter screen flows into the area B, dust and other large-particle impurities can pass through the first filter screen but cannot pass through the second filter screen, because the oil supply pump works all the time, the lubricating oil in the oil storage tank can be in a flowing state, meanwhile, the first filter screen is a one-way filter screen, a large amount of dust and other impurities can be accumulated between the first filter screen and the second filter screen after a period of time, a liquid level meter is arranged inside the permeation tube, a semipermeable membrane is arranged outside the permeation tube, lubricating oil is filled inside the permeation tube, and because a large amount of dust and impurities are accumulated in the first filter screen and the second filter screen, the concentration of the lubricating oil in the first filter screen and the second filter screen can be greater than the concentration of the lubricating oil inside the permeation tube, according to the infiltration principle, the inside lubricating oil of infiltration pipe can permeate the infiltration pipe gradually, can judge the inside lubricating oil infiltration quantity of permeating of infiltration pipe through the level gauge, and then indirect reachs first filter screen and second filter screen in pile up dust and impurity how much, after reaching certain degree, will have the lubricating oil discharge of dust and impurity through dirty oil pipe and dirty oil pump, guarantees the cleanliness factor of lubricating oil in the oil supply unit, prevents that heavy machinery from taking place wearing and tearing.

Further, the inside of oil storage tank is provided with two sets of kickboards, one of them is a set of the kickboard sets up the one side that is close to the cooling tank at first filter screen, and is a set of in addition the kickboard sets up the one side that is close to the fuel feed pump at the second filter screen, every group the upper end of kickboard all is provided with a set of second magnetic path, every group the top of second magnetic path all is provided with a set of first magnetic field generator, first magnetic field generator fixed mounting is on the top inner wall of oil storage tank, the upper end of fourth magnetic path is provided with the illuminator, dirty oil pipe's top is provided with the receiver, be connected through third magnetic path magnetism between kickboard and the fourth magnetic path.

Lubricating oil circularly returned to the oil storage tank through a circulating system inevitably carries impurities, so the density of the lubricating oil in the area A in the oil storage tank is slightly larger than that of the lubricating oil in the area B, according to the Archimedes principle, the buoyancy generated by the lubricating oil in the area A is larger than that generated by the lubricating oil in the area B, and workers can judge the condition of a relative movement part in the heavy machinery by comparing the buoyancy of the lubricating oil in the area A and the buoyancy of the lubricating oil in the area B, a first magnetic field generator and a floating plate are arranged in the oil storage tank, a magnetic field generated by the first magnetic field generator plays a role of repelling a second magnetic block, if the magnetic fields generated by the first magnetic field generators in the two areas A, B are the same, the repulsive forces borne by the floating plates in the two areas A, B are also the same, each group of floating plates is magnetically connected with a group of fourth magnetic blocks through a third magnetic block, the distance between the fourth magnetic blocks and the top end of the oil storage tank can be judged through a receiver and a light emitter, can obtain the descending amplitude of kickboard through this group distance, because the regional lubricating oil of B has passed through the filtration, the dust and the less visual definite value of impurity of the inside, through the kickboard descending amplitude of comparing A, B two regions, can calculate out the regional lubricating oil of A inside and doped how much dust and impurity, when oil supply unit is problem-free, the kickboard descending amplitude difference of A, B two regions should be in certain scope, if the measuring result shows, descending amplitude difference between them is too big, can judge that heavy machinery inside relative motion's position has appeared a large amount of impurities, if not handle in time, will lead to the inside relative motion's of heavy machinery position to take place wearing and tearing, influence life.

Further, the base comprises a bottom plate and supporting legs, the bottom plate is movably connected with the supporting legs through a connecting block and a spring, two groups of magnets are arranged inside the supporting legs, a metal rod is arranged at the lower end of the connecting block, and the metal rod is electrically connected with the first magnetic field generator through a lead.

At present, heavy machinery can generate larger vibration when in work, the vibration can be transmitted to an oil supply device through the ground or other objects, so that lubricating oil in an oil storage tank shakes and the like, in the shaking process, not only can the performance of the lubricating oil be reduced, but also internal friction can be generated and severe impact can be caused on the inner wall of the oil storage tank, a magnet is arranged in a supporting leg, a magnetic field generated by the magnet is in the horizontal direction, when the oil supply device shakes, a spring can absorb shock, and a connecting block can drive a metal rod to move up and down at the same time, so that the aim of cutting a magnetic induction line can be achieved, the vibration amplitude and frequency change of the oil supply device can be judged through the change of induction current on the metal rod, and when the induction current on the metal rod is transmitted to a first magnetic field generator, the first magnetic field generator can generate a group of magnetic field, the floating plate can be tightly attached to the surface of the lubricating oil through the magnetic field, the lubricating oil is prevented from shaking, and the oil supply device and the lubricating oil can be in a good working state.

Furthermore, the inside of bottom plate and the inside of batch oil tank inner wall are provided with the cold air duct, the cold air duct is connected with the fan through the choke valve.

Through above-mentioned technical scheme, according to the throttle inflation principle, the wind that the fan produced can reduce through the air current after the choke valve, can cool down the inner wall of batch oil tank through the air current after the cooling down, prevent that lubricating oil from producing the internal friction because rocking and generating heat and causing gasification for lubricating oil in the batch oil tank can keep in a stable temperature range, the air current after the choke valve cooling can also play the effect of support in addition, and then prevents that the inner wall of batch oil tank is sunken.

Further, the inside of cooler is provided with heat exchange tube, gas bomb and fixed plate, the fixed plate sets up the one end that is close to oil pipe in the inside of cooler, the inside packing of gas bomb has the ammonia, be connected through the trachea between gas bomb and the fixed plate, the inside of fixed plate is provided with the fly leaf, be connected through flexible piece between fly leaf and the fixed plate.

Through the technical scheme, the upper end of the cooler is a water outlet end, the lower end of the cooler is a water inlet end, lubricating oil flows into the cooler and then is cooled and heat exchanged through the heat exchange tube, water in the cooler is cooled through the fan to ensure the recycling of the water, under normal conditions, the air generated by the fan during working generally changes according to the change of the temperature of the external environment, the heat exchange tube, the gas storage bottle and the fixing plate are arranged in the cooler, the gas storage bottle is made of heat-conducting materials, the effect of the cooler for cooling the lubricating oil can be judged according to the change of ammonia gas in the gas storage bottle, if the water temperature at the water outlet end is obviously higher, the air generated by the fan is not enough to cool the water to a certain degree, or the lubricating oil is too high in temperature, so that the cooler cannot completely cool the lubricating oil, at the moment, the ammonia gas in the gas storage bottle is heated and expanded and finally is transmitted into the fixing plate through the air tube, make in the fly leaf stretches out the fixed plate, thereby lead to the through-hole of fixed plate intermediate position department to reduce, because the fuel feed pump is still carrying out lubricating oil continuously, so the inside lubricating oil pressure of cooler can increase, so that lubricating oil from the through-hole of fixed plate with the very fast velocity of flow blowout and striking on the piezoelectric crystal that the cooler inner wall set up, can judge the cooling effect through the change of observing outside ampere meter, make things convenient for the staff to inspect oil supply unit at any time, the through-hole on the fixed plate is equivalent to a choke valve simultaneously, lubricating oil is when passing through the through-hole, the temperature can show and reduce, when the staff is not beside oil supply unit or come to close oil supply unit, can effectual reduction lubricating oil's temperature through fixed plate and fly leaf, prevent the lubricating oil high temperature, lead to heavy machinery impaired.

Compared with the prior art, the invention has the following beneficial effects: compared with the prior oil supply device, the invention is additionally provided with the impurity removing device, the impurity removing device ensures that workers can clean scrap iron without disassembling the magnetic filter, in the process of cleaning the scrap iron, external dust and impurities can not enter the oil pipe and the magnetic filter, the inside of the oil storage tank is provided with the first filter screen and the second filter screen, the oil storage tank is divided into A, B two areas by the first filter screen and the second filter screen, each area is internally provided with a group of floating plates and a first magnetic field generator, the dust and the impurities can be gathered together by the first filter screen and the second filter screen, the degree of gathering of the dust and the impurities can be indirectly judged by the penetration pipe, finally, the lubricating oil with the dust and the impurities is discharged by the dirty oil pipe and the dirty oil pump, the buoyancy of the lubricating oil in the area A and the buoyancy of the lubricating oil in the area B can be judged by the floating plates and the first magnetic field generator, the invention has the advantages that the magnet is arranged in the supporting leg, the metal rod is arranged at the lower end of the connecting block, when the oil supply device vibrates, the metal rod at the lower end of the connecting block can cut the magnetic induction line to generate induction current, and when the induction current is transmitted to the first magnetic field generator, the first magnetic field generator can generate a group of magnetic fields, the floating plate can be tightly attached to the surface of the lubricating oil through the group of magnetic fields, and the lubricating oil is prevented from shaking in the oil storage tank.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of an impurity removing device according to the present invention;

FIG. 3 is a schematic view of the structure of part A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the inside structure of the connecting tube of the present invention;

FIG. 5 is a schematic view of the internal structure of the check valve of the present invention;

FIG. 6 is a schematic side view of the reservoir of the present invention;

FIG. 7 is a schematic view of the structure of portion B of FIG. 6 according to the present invention;

FIG. 8 is a schematic elevational view of the reservoir of the present invention;

FIG. 9 is a schematic view of the internal structure of the cooler of the present invention;

fig. 10 is a schematic view of the structure of the part C in fig. 9 according to the present invention.

In the figure: 1-an oil supply device main body, 11-an oil storage tank, 111-a first magnetic field generator, 112-a floating plate, 1121-a second magnetic block, 1122-a third magnetic block, 113-a first filter screen, 114-a dirty oil pipe, 115-a second filter screen, 116-a cold air pipe, 117-a receiver, 118-a fourth magnetic block, 1181-a light emitter, 1182-a permeation pipe, 12-a dirty oil pump, 13-an impurity removal device, 131-a pressurizer, 132-a flow increasing pipe, 133-a fixed tank, 1331-a converter, 1332-a support frame, 1333-an impurity collecting tank, 1334-a second magnetic field generator, 134-a connecting pipe, 1341-a lifting tank, 1342-a lifting plate, 1343-a sealing block, 1344-a fifth magnetic block, 1345-an iron core, 14-an oil inlet pipe, 15-a magnetic filter, 151-a third filter screen, 152-an electromagnetic rod, 153-a one-way valve, 1531-a magnetic block, 1532-an elastic sheet, 1533-a block, 1534-a fixed seat, 1535-a pressure device, 16-a cooling tank, 17-an oil supply pump, 18-a filter tank, 19-an oil outlet pipe, 2-a base, 21-a bottom plate, 211-a connecting block, 22-a supporting leg, 3-a refrigerating device, 31-a fan, 32-a cooler, 321-a heat exchange tube, 322-a gas storage bottle, 323-a fixed plate, 3231-a movable plate and 3232-a telescopic 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.

As shown in fig. 1-4, an oil supply device for thin oil lubrication of heavy machinery comprises an oil supply device main body 1, a base 2 and a refrigerating device 3, wherein the oil supply device main body 1 comprises an oil storage tank 11, a dirty oil pump 12, a cooling tank 16, an oil supply pump 17, a filter tank 18 and a cooler 32 are arranged above the oil storage tank 11, a magnetic filter 15 and an impurity removing device 13 are arranged on one side of the oil storage tank 11 close to the cooling tank 16, the cooler 32 is connected with the heavy machinery through an oil outlet pipe 19, the magnetic filter 15 is connected with the heavy machinery through an oil inlet pipe 14, valves are arranged on the oil outlet pipe 19 and the oil inlet pipe 14, a third filter screen 151 and an electromagnetic rod 152 are arranged inside the magnetic filter 15, one side of the lower end of the magnetic filter 15 is connected with the impurity removing device 13, one side of the upper end of the magnetic filter 15 far away from the impurity removing device 13 is connected with the cooling tank 16 through an oil pump and the oil pump, the middle position of the top end of the magnetic filter 15 is connected with the cooling tank 16 through an oil pipe and a flow valve, the impurity removing device 13 comprises a pressurizer 131, a flow increasing pipe 132 and a fixing box 133, the magnetic filter 15 is connected with the flow increasing pipe 132 through the pressurizer 131, the fixing box 133 is arranged below the middle position of the flow increasing pipe 132 through a connecting pipe 134, the flow increasing pipe 132 is thick at two ends and thin in the middle, the fixing box 133 is communicated with the outside air through a through hole, a dustproof net is arranged on the through hole, a current converter 1331, a support frame 1332, an impurity collecting tank 1333 and a second magnetic field generator 1334 are arranged inside the fixing box 133, the current converter 1331 is arranged below the support frame 1332, the impurity collecting tank 1333 is arranged above the support frame 1332, the second magnetic field generator 1334 is arranged above the impurity collecting tank 1333, the second magnetic field generator 1334 is electrically connected with the current converter 1331 through a lead, a lifting tank 1341 and a lifting plate 1342 are arranged inside the connecting pipe 134, a plurality of groups of filtration pores have been seted up to lift jar 1341's surface, lift jar 1341 runs through in lifter plate 1342, lift jar 1341's top is provided with seal block 1343, a set of seal groove has been seted up to lifter plate 1342's upper surface, seal block 1343 cooperatees with the seal groove, seal block 1343's diameter is greater than lift jar 1341's diameter, lift jar 1341's bottom is provided with fifth magnet 1344, lift jar 1341's inside is provided with iron core 1345, be connected through the hose between collection miscellaneous jar 1333 and the lift jar 1341.

The present invention provides an oil supply device for heavy machinery, which is usually installed in an underground oil depot or a pit near mechanical equipment, so that the environment is poor, when workers disassemble a magnetic filter 15 to clean scrap iron, external dust and impurities often float in an oil inlet pipe, and the disassembly of the magnetic filter 15 is too frequent, which can cause the weakening of the sealing effect, the invention arranges an impurity removing device 13 on one side of the magnetic filter 15, the purpose of cleaning scrap iron can be achieved by the impurity removing device 13 without disassembling the magnetic filter 15, and in the process of cleaning scrap iron, the external dust and impurities can not enter the oil pipe and the magnetic filter 15, when cleaning scrap iron, the oil inlet pipe 14 is in a closed state, and simultaneously the electromagnetic bar 152 is disconnected from the external current, because the upper part of the left end of the magnetic filter 15 is connected with a cooling tank 16 through the oil pipe and an oil pump, the oil pump is opened to convey the lubricating oil in the cooling tank 16 to the magnetic filter 15, then the iron filings in the magnetic filter 15 are washed into the impurity removing device 13, the lubricant oil with iron filings is filled with pressure by the pressurizer 131 and finally flows into the flow-increasing pipe 132, the flow-increasing pipe 132 has a structure that two ends are thick and the middle is thin, the speed of the lubricant oil with iron filings is suddenly increased when the lubricant oil flows through the middle position of the flow-increasing pipe 132, and then a siphon effect is generated, because the fixing box 133 is communicated with the outside air through the through hole, under the action of the outside atmospheric pressure, the impurity collecting tank 1333 and the lifting tank 1341 in the connecting pipe 134 can automatically rise and enter the flow-increasing pipe 132, at this time, the second magnetic field generator 1334 is started, the second magnetic field generator 1334 generates an alternating magnetic field through the converter 1331, according to the electromagnetic induction principle, the iron core 1345 arranged in the lifting tank 1341 can generate a group of induction magnetic fields, and the induction current can generate a group of induction magnetic fields, and the purpose of adsorbing iron filings can be achieved through the group of induction fields, after a period of time, direct current is input into the second magnetic field generator 1334 through the inverter 1331, and then the second magnetic field generator 1334 generates a uniform and unchangeable magnetic field, the purpose of attracting the fifth magnetic block 1344 is achieved through the magnetic field, meanwhile, the attraction force generated by the magnetic field is larger than the attraction force generated by the siphon effect of the flow-increasing pipe 132, after the lifting tank 1341 descends, the oil pump is closed, in the process, the sealing block 1343 falls into the sealing groove, lubricating oil is prevented from flowing out from the connecting pipe 134 through the sealing block 1343 and the sealing groove, meanwhile, after the magnetic field generated by the second magnetic field generator 1334 is changed, the induced magnetic field on the iron core 1345 disappears, finally, iron chips on the iron core 1345 fall into the impurity collecting tank 1333, the efficiency of cleaning the iron chips is greatly improved through the impurity removing device 13, and the sealing performance and the cleanliness of the lubricating oil are also ensured.

As shown in fig. 2 and 5, a check valve 153 is disposed above the oil inlet pipe 14, an elastic sheet 1532, a stopper 1533 and a fixing seat 1534 are disposed inside the check valve 153, the elastic sheet 1532 is an arch structure, an outer convex surface of the elastic sheet 1532 is close to the magnetic filter 15, and a plurality of sets of diamagnetic blocks 1531 are disposed on the outer convex surface of the elastic sheet 1532.

Through the technical scheme, when scrap iron is cleaned, as scrap iron in lubricating oil tends to sink, and scrap iron is prevented from being accumulated at one end, close to the magnetic filter 15, of the inner part of the one-way valve 153, the groups of diamagnetic blocks 1531 are arranged on the outer convex surface of the elastic sheet 1532, the purpose of repelling scrap iron can be achieved through the groups of diamagnetic blocks 1531, in addition, the elastic sheet 1532 has certain elasticity, in the process of flushing the magnetic filter 15, a part of lubricating oil with scrap iron flows backwards into the one-way valve 153, at the moment, the elastic sheet 1532 is stressed to deform and gradually become a plane structure, and finally, the larger the deformation amplitude of the elastic sheet 1532 is, the larger the repulsion force of the groups of diamagnetic blocks 1531 to the scrap iron in the lubricating oil is, and the scrap iron cleaning effect is further ensured.

As shown in fig. 2 and 5, the two ends of the elastic sheet 1532 are movably connected to the stopper 1533 through a connecting rod, a pressure gauge 1535 is disposed at the middle position of the elastic sheet 1532, the fixing seats 1534 are fixedly mounted at the two ends of the inner wall of the check valve 153, one end of the stopper 1533 extends out of the fixing seat 1534, and the other end of the stopper 1533 is connected to the fixing seat 1534 through a spring.

By the technical scheme, when the magnetic filter 15 is flushed, if the flow valve is closed, the flow rate of the lubricating oil conveyed into the magnetic filter 15 by the oil pump is large enough, the pressure inside the magnetic filter 15 will gradually decrease and eventually the lubricant inside the non-return valve 153 will rise into the magnetic filter 15 according to the bernoulli principle, and the lubricant oil conveyed into the magnetic filter 15 along the oil pump flows into the impurity removing device 13, the pressure device 1535 is composed of a telescopic rod and a piezoelectric crystal, meanwhile, the pressure device 1535 is connected to an external ammeter, when the lubricant in the check valve 153 rises, the pointer on the external ammeter changes, by detecting the change in current, the operator can determine how much power the oil pump should use to draw the lubricant in the check valve 153 into the magnetic filter 15, thereby preventing the lubricant with iron filings from accumulating in the check valve 153.

As shown in fig. 6 and 7, a dirty oil pipe 114 is arranged inside the oil storage tank 11, a plurality of sets of through holes are formed in the dirty oil pipe 114, the dirty oil pipe 114 is connected with the dirty oil pump 12, a first filter screen 113 is arranged on one side of the dirty oil pipe 114 close to the cooling tank 16, a second filter screen 115 is arranged on one side of the dirty oil pipe 114 close to the oil supply pump 17, the diameter of a filter hole of the second filter screen 115 is smaller than that of the first filter screen 113, the first filter screen 113 is a one-way filter screen, a fourth magnetic block 118 is arranged on the dirty oil pipe 114, a penetration pipe 1182 is arranged at the lower end of the fourth magnetic block 118, and a liquid level meter is arranged inside the penetration pipe 1182.

Through the above technical solution, the oil storage tank 11 is divided into A, B two areas by the first strainer 113 and the second strainer 115, the used lubricating oil flows into the area a through the cooling tank 16, the lubricating oil filtered by the first strainer 113 and the second strainer 115 flows into the area B, wherein dust and other large-particle impurities can pass through the first strainer 113 but cannot pass through the second strainer 115, because the oil supply pump 17 is always operated, the lubricating oil in the oil storage tank 11 is in a flowing state, meanwhile, the first strainer 113 is a one-way strainer, after a period of time, a large amount of dust and other impurities can be accumulated between the first strainer 113 and the second strainer 115, the inside of the permeation tube 1182 is provided with a level gauge, the outside is provided with a semipermeable membrane, and the inside of the permeation tube 1182 is filled with lubricating oil, because a large amount of dust and impurities are accumulated in the first strainer 113 and the second strainer 115, therefore, the lubricating oil concentration in the first filter screen 113 and the second filter screen 115 is greater than the lubricating oil concentration in the penetration pipe 1182, according to the penetration principle, the lubricating oil in the penetration pipe 1182 can gradually penetrate through the penetration pipe 1182, the amount of the lubricating oil penetrating through the penetration pipe 1182 can be judged through the liquid level meter, the amount of dust and impurities accumulated in the first filter screen 113 and the second filter screen 115 is indirectly obtained, after a certain degree is reached, the lubricating oil with the dust and the impurities is discharged through the dirty oil pipe 114 and the dirty oil pump 12, the cleanliness of the lubricating oil in the oil supply device is ensured, and the heavy machinery is prevented from being worn.

As shown in fig. 6 and 7, two sets of floating plates 112 are disposed inside the oil storage tank 11, one set of floating plate 112 is disposed on one side of the first filter screen 113 close to the cooling tank 16, the other set of floating plate 112 is disposed on one side of the second filter screen 115 close to the oil supply pump 17, a set of second magnetic blocks 1121 is disposed at the upper end of each set of floating plate 112, a set of first magnetic field generator 111 is disposed above each set of second magnetic blocks 1121, the first magnetic field generator 111 is fixedly mounted on the inner wall of the top end of the oil storage tank 11, a light emitter 1181 is disposed at the upper end of the fourth magnetic block 118, a receiver 117 is disposed at the top end of the dirty oil pipe 114, and the floating plate 112 and the fourth magnetic block 118 are magnetically connected through the third magnetic block 1122.

Lubricating oil circulated back to the oil storage tank 11 through a circulating system inevitably carries impurities, so the density of the lubricating oil in the area A in the oil storage tank 11 is slightly larger than that of the lubricating oil in the area B, according to the Archimedes principle, the buoyancy generated by the lubricating oil in the area A is larger than that generated by the lubricating oil in the area B, and workers can judge the condition of a relative movement part in the heavy machinery by comparing the buoyancy of the lubricating oil in the area A and the buoyancy of the lubricating oil in the area B, the first magnetic field generator 111 and the floating plate 112 are arranged in the oil storage tank 11, the magnetic field generated by the first magnetic field generator 111 plays a role of repelling the second magnetic block 1121, if the magnetic fields generated by the first magnetic field generators 111 in the two areas of A, B are the same, the repelling forces borne by the floating plates 112 in the two areas of A, B are also the same, and each group of the floating plates 112 is magnetically connected with a group of fourth magnetic blocks 118 through the third magnetic block 1122, the distance between the fourth magnetic block 118 and the top end of the oil storage tank 11 can be judged through the receiver 117 and the light emitter 1181, the descending amplitude of the floating plate 112 can be obtained through the group of distances, because the lubricating oil in the area B is filtered, less dust and impurities in the lubricating oil can be regarded as fixed values, the descending amplitude of the floating plate 112 in the area A can be calculated by comparing A, B the descending amplitudes of the floating plate 112 in the two areas, when the oil supply device has no problem, the descending amplitude difference value of the floating plate 112 in the two areas A, B is within a certain range, if the measurement result shows that the descending amplitude difference value of the floating plate 112 in the two areas is too large, the fact that a large amount of impurities exist in the parts which relatively move in the heavy machinery can be judged, if the parts which relatively move in the heavy machinery are not timely processed, the parts which relatively move in the heavy machinery are abraded, and the service life is influenced.

As shown in fig. 6 and 8, the base 2 includes a bottom plate 21 and a supporting leg 22, the bottom plate 21 is movably connected to the supporting leg 22 through a connecting block 211 and a spring, two sets of magnets are disposed inside the supporting leg 22, a metal rod is disposed at a lower end of the connecting block 211, and the metal rod is electrically connected to the first magnetic field generator 111 through a conducting wire.

At present, heavy machinery can generate larger vibration when in work, the vibration can be transmitted to an oil supply device through the ground or other objects, so that lubricating oil in an oil storage tank 11 shakes and the like, in the shaking process, not only can the performance of the lubricating oil be reduced, but also internal friction can be generated and severe impact can be caused on the inner wall of the oil storage tank 11, a magnet is arranged in a supporting leg 22, a magnetic field generated by the magnet is in a horizontal direction, when the oil supply device shakes, a spring absorbs the vibration, a connecting block 211 can drive a metal rod to move up and down, the purpose of cutting a magnetic induction line can be further achieved, the vibration amplitude and frequency change of the oil supply device can be judged through the change of induced current on the metal rod, when the induced current on the metal rod is transmitted to a first magnetic field generator 111, the first magnetic field generator 111 can generate a group of magnetic field, the floating plate 112 can be tightly attached to the surface of the lubricating oil through the group of magnetic fields, so that the lubricating oil is prevented from shaking, and the oil supply device and the lubricating oil can be ensured to be in a good working state.

As shown in fig. 6 and 8, a cold air pipe 116 is provided inside the bottom plate 21 and inside the inner wall of the oil storage tank 11, and the cold air pipe 116 is connected to the fan 31 through a throttle valve.

Through above-mentioned technical scheme, according to the throttle inflation principle, the wind that fan 31 produced can reduce through the wind behind the choke valve, can cool down the inner wall of batch oil tank 11 through the air current after the lowering the temperature, prevent that lubricating oil from producing the internal friction because rocking and generating heat and causing gasification phenomenon for lubricating oil in the batch oil tank 11 can keep in a stable temperature range, the air current after the choke valve cooling can also play the effect of support in addition, and then prevents that the inner wall of batch oil tank 11 is sunken.

As shown in fig. 1, 8, 9 and 10, a heat exchange tube 321, a gas bomb 322 and a fixing plate 323 are arranged inside the cooler 32, the fixing plate 323 is arranged at one end of the cooler 32 close to the oil outlet tube 19, ammonia gas is filled inside the gas bomb 322, the gas bomb 322 is connected with the fixing plate 323 through a gas tube, a through hole structure is arranged in the middle of the fixing plate 323, a plurality of sets of movable plates 3231 are arranged inside the fixing plate 323, the movable plates 3231 are connected with the fixing plate 323 through telescopic blocks 3232, the telescopic blocks 3232 are elastic, the movable plates 3231 are reset through the telescopic blocks 3232, a piezoelectric crystal is arranged on the inner wall of the cooler 32 close to the oil outlet tube 19, a waterproof coating is arranged outside the piezoelectric crystal, and the piezoelectric crystal is connected with an external ammeter.

Through the technical scheme, the upper end of the cooler 32 is a water outlet end, the lower end of the cooler 32 is a water inlet end, lubricating oil flows into the cooler 32 and then is cooled and exchanged heat through the heat exchange pipe 321, water in the cooler 32 is cooled through the fan 31 to ensure the recycling of the water, under normal conditions, the air generated by the fan 31 during working generally changes according to the change of the external environment temperature, the heat exchange pipe 321, the gas storage bottle 322 and the fixing plate 323 are arranged in the cooler 32, the gas storage bottle 322 is made of a heat conduction material, the effect of the cooler 32 for cooling the lubricating oil can be judged through the change of the ammonia gas in the gas storage bottle 322, if the water temperature at the water outlet end is obviously higher, the air generated by the fan 31 is not enough to cool the lubricating oil to a certain degree, or the temperature of the lubricating oil is too high to cause that the cooler 32 cannot completely cool the lubricating oil, at the moment, the ammonia gas in the gas storage bottle 322 is heated and expanded, finally, the lubricating oil is transmitted into the fixed plate 323 through the air pipe, so that the movable plate 3231 extends out of the fixed plate 323, the through hole at the middle position of the fixed plate 323 is reduced, the lubricating oil is still continuously conveyed out by the oil supply pump 17, the pressure of the lubricating oil in the cooler 32 is increased, the lubricating oil is sprayed out from the through hole of the fixed plate 323 at an extremely high flow speed and impacts on the piezoelectric crystal arranged on the inner wall of the cooler 32, the cooling effect can be judged by observing the change of an external ammeter, a worker can conveniently check the oil supply device at any time, meanwhile, the through hole on the fixed plate 323 is equivalent to a throttle valve, the temperature of the lubricating oil is obviously reduced when the lubricating oil passes through the through hole, and when the worker is not beside the oil supply device or is not too late to close the oil supply device, the temperature of the lubricating oil can be effectively reduced through the fixed plate 323 and the movable plate 3231, and the temperature of the lubricating oil is prevented from being too high, causing damage to the heavy machinery.

The working principle of the invention is as follows: during oil supply, the oil outlet pipe 19 and the oil inlet pipe 14 are firstly connected with heavy machinery, lubricating oil in the oil storage tank 11 is firstly conveyed into the filter tank 18 through the oil supply pump 17 to be filtered, then conveyed into the cooler 32 to be cooled, and finally conveyed to a relatively moving part of the heavy machinery to be lubricated and cooled, when the temperature of the water outlet of the cooler 32 is higher than a normal value, the flow rate of the lubricating oil passing through the through hole of the fixed plate 323 can be increased and the temperature of the lubricating oil is reduced through the ammonia gas in the gas storage bottle 322 and the movable plate 3231, the water temperature and the cooling effect of the water outlet of the cooler 32 can be indirectly judged through the pressure of the piezoelectric crystal when the lubricating oil is sprayed out, the used lubricating oil flows into the magnetic filter 15 through the oil inlet pipe 14, one side of the magnetic filter 15 is provided with the impurity removing device 13, when iron chips in the magnetic filter 15 need to be cleaned, only the oil inlet pipe 14 and the electromagnetic rod 152 need to be closed, and the oil pump of the upper part of the left end of the magnetic filter 15 is started, the scrap iron in the magnetic filter 15 can be washed into the impurity removing device 13 through the oil pump, the scrap iron in the lubricating oil can be absorbed through the impurity removing device 13 without disassembling the magnetic filter 15, the used lubricating oil can flow into the oil storage tank 11 after passing through the magnetic filter 15 and the cooling tank 16, the dust and the impurities can be gathered together through the first filter screen 113 and the second filter screen 115, finally the lubricating oil with the dust and the impurities is discharged through the dirty oil pipe 114 and the dirty oil pump 12, if the oil supplying device vibrates during the working process, an induced current can be generated on the metal rod at the lower end of the connecting block 211, after the induced current is transmitted to the first magnetic field generator 111, the first magnetic field generator 111 can generate a group of magnetic field, and the floating plate 112 can be clung to the surface of the lubricating oil through the group of magnetic field, preventing the lubricating oil from shaking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil supply unit for heavy machinery thin oil lubrication, includes oil supply unit main part (1), base (2) and refrigerating plant (3), its characterized in that: the oil supply device comprises an oil storage tank (11), wherein a dirty oil pump (12), a cooling tank (16), an oil supply pump (17), a filter tank (18) and a cooler (32) are arranged above the oil storage tank (11), a magnetic filter (15) and an impurity removing device (13) are arranged on one side, close to the cooling tank (16), of the oil storage tank (11), the cooler (32) is connected with heavy mechanical equipment through an oil outlet pipe (19), the magnetic filter (15) is connected with the heavy mechanical equipment through an oil inlet pipe (14), a third filter screen (151) and an electromagnetic rod (152) are arranged inside the magnetic filter (15), one side, at the lower end of the magnetic filter (15), of the upper end of the magnetic filter (15), far away from the impurity removing device (13), is connected with the cooling tank (16), the impurity removing device (13) comprises a pressurizer (131), a flow increasing pipe (132) and a fixing box (133), the magnetic filter (15) is connected with the flow increasing pipe (132) through the pressurizer (131), the fixing box (133) is arranged below the middle position of the flow increasing pipe (132) through a connecting pipe (134), the flow increasing pipe (132) is thick at two ends and thin in the middle, a converter (1331), a supporting frame (1332), an impurity collecting tank (1333) and a second magnetic field generator (1334) are arranged inside the fixing box (133), the converter (1331) is arranged below the supporting frame (1332), the impurity collecting tank (1333) is arranged above the supporting frame (1332), the second magnetic field generator (1334) is arranged above the impurity collecting tank (1333), and the second magnetic field generator (1334) is electrically connected with the converter (1331) through a lead, the inside of connecting pipe (134) is provided with lift jar (1341) and lifter plate (1342), a plurality of sets of filtration pore have been seted up to the surface of lift jar (1341), lift jar (1341) runs through in lifter plate (1342), the top of lift jar (1341) is provided with seal block (1343), a set of seal groove has been seted up to the upper surface of lifter plate (1342), seal block (1343) cooperatees with the seal groove, the diameter of seal block (1343) is greater than the diameter of lift jar (1341), the bottom of lift jar (1341) is provided with fifth magnet (1344), the inside of lift jar (1341) is provided with iron core (1345), be connected through the hose between miscellaneous jar (1333) of collection and the lift jar (1341).

2. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 1, wherein: the oil filter is characterized in that a one-way valve (153) is arranged above the oil inlet pipe (14), an elastic sheet (1532), a stop block (1533) and a fixing seat (1534) are arranged inside the one-way valve (153), the elastic sheet (1532) is of an arched structure, the outer convex surface of the elastic sheet (1532) is close to the magnetic filter (15), and a plurality of groups of anti-magnetic blocks (1531) are arranged on the outer convex surface of the elastic sheet (1532).

3. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 2, wherein: the two ends of the elastic sheet (1532) are movably connected with the stopper (1533) through a connecting rod, a pressure gauge (1535) is arranged at the middle position of the elastic sheet (1532), the fixing seats (1534) are fixedly arranged at the two ends of the inner wall of the one-way valve (153), one end of the stopper (1533) extends out of the fixing seat (1534), and the other end of the stopper (1533) is connected with the fixing seat (1534) through a spring.

4. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 1, wherein: the inside of oil storage tank (11) is provided with dirty oil pipe (114), one side that dirty oil pipe (114) are close to cooling tank (16) is provided with first filter screen (113), one side that dirty oil pipe (114) are close to fuel feed pump (17) is provided with second filter screen (115), the filtration pore diameter of second filter screen (115) is less than the filtration pore diameter of first filter screen (113), first filter screen (113) are unidirectional filter, be provided with fourth magnetic path (118) on dirty oil pipe (114), the lower extreme of fourth magnetic path (118) is provided with permeate tube (1182), the inside of permeate tube (1182) is provided with the level gauge.

5. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 4, wherein: the inside of oil storage tank (11) is provided with two sets of kickboards (112), one of them is a set of kickboard (112) set up in one side that first filter screen (113) are close to cooling tank (16), another a set of kickboard (112) set up in one side that second filter screen (115) are close to fuel feed pump (17), every group the upper end of kickboard (112) all is provided with a set of second magnetic path (1121), every group the top of second magnetic path (1121) all is provided with a set of first magnetic field generator (111), first magnetic field generator (111) fixed mounting is on the top inner wall of oil storage tank (11), the upper end of fourth magnetic path (118) is provided with illuminator (1181), the top of dirty oil pipe (114) is provided with receiver (117), through third magnetic path (1122) magnetic connection between kickboard (112) and fourth magnetic path (118).

6. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 5, wherein: base (2) include bottom plate (21) and supporting legs (22), through connecting block (211) and spring swing joint between bottom plate (21) and supporting legs (22), the inside of supporting legs (22) is provided with two sets of magnets, the lower extreme of connecting block (211) is provided with the metal pole, the metal pole passes through wire and first magnetic field generator (111) electric connection.

7. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 6, wherein: the inside of bottom plate (21) and the inside of batch oil tank (11) inner wall are provided with cold air pipe (116), cold air pipe (116) are connected with fan (31) through the choke valve.

8. The oil supply apparatus for heavy machinery thin oil lubrication according to claim 1, wherein: the cooling device is characterized in that a heat exchange tube (321), a gas storage bottle (322) and a fixing plate (323) are arranged inside the cooler (32), the fixing plate (323) is arranged at one end, close to the oil outlet tube (19), of the inside of the cooler (32), ammonia gas is filled inside the gas storage bottle (322), the gas storage bottle (322) and the fixing plate (323) are connected through a gas tube, a movable plate (3231) is arranged inside the fixing plate (323), and the movable plate (3231) and the fixing plate (323) are connected through a telescopic block (3232).