CN112303465A - Realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment - Google Patents
Realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment Download PDFInfo
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- CN112303465A CN112303465A CN202011185863.2A CN202011185863A CN112303465A CN 112303465 A CN112303465 A CN 112303465A CN 202011185863 A CN202011185863 A CN 202011185863A CN 112303465 A CN112303465 A CN 112303465A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/385—Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N25/00—Distributing equipment with or without proportioning devices
- F16N25/02—Distributing equipment with or without proportioning devices with reciprocating distributing slide valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N2039/007—Using strainers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a dry oil double-line centralized lubricating system for realizing independent adjustment of oil supply quantity, which comprises an oil storage tank, wherein the inlet of the oil storage tank is connected with an electric oil-adding pump through a pipeline, the outlet of the oil storage tank is connected with the inlet of the electric lubricating pump through a pipeline, the outlet of the electric lubricating pump is divided into two paths, one path is connected with an electromagnetic reversing valve, the other path is connected with an overflow valve, a working cavity A of the electromagnetic reversing valve is connected with an oil inlet of a first oil supply main pipeline, a working cavity B of the electromagnetic reversing valve is connected with an oil inlet of a second oil supply main pipeline, a plurality of double-line distributors are respectively connected in parallel on the first oil supply main pipeline and the second oil supply main pipeline, the tail ends of the first oil supply main pipeline and the second oil supply main pipeline are respectively connected with a differential pressure switch, the electric oil-adding pump, the electric lubricating pump, the electromagnetic reversing valve and the differential pressure switch are respectively electrically connected with an electric control box, reduce the consumption of dry oil and improve the environmental protection and the economical efficiency of the system.
Description
Technical Field
The invention relates to the field of industrial dry oil lubrication, in particular to a dry oil double-line centralized lubricating system for realizing independent adjustment of oil supply.
Background
The traditional dry oil double-line centralized lubricating system adjusts the oil quantity of the oil outlet pipes by changing the stroke of the working piston, the oil quantities of the two oil outlet pipes of one oil supply unit are the same, the independent adjustment of the oil quantities of the two oil outlet pipes of one oil supply unit cannot be realized, in field practical application, the dry oil quantity required by the lubricating points connected with the two oil outlet pipes on many occasions is different and can only be adjusted according to a large user point needing the oil quantity, so that the over-lubrication condition of another user point is caused, and the oil waste and the environmental pollution are caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a dry oil double-line centralized lubricating system for realizing independent adjustment of oil supply quantity, which overcomes the defects of the traditional double-line dry oil lubricating system, and the oil quantities of two oil outlet pipelines of one oil supply unit can be independently adjusted, so that the dry oil consumption is reduced, and the environmental protection property and the economical efficiency of the system are improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a realize two line centralized lubrication system of drier oil of fuel feeding volume independent adjustment, includes the oil storage tank the import of oil storage tank passes through pipe connection electric petrol pump, the import of export through pipe connection electric petrol pump, the export of electric petrol pump divide into two the tunnel and connect the electromagnetic directional valve all the way, another way connects the overflow valve, the working chamber A of electromagnetic directional valve is connected with the oil inlet of first oil supply main line, the working chamber B of electromagnetic directional valve is connected with the oil inlet of second oil supply main line, all parallelly connected a plurality of double-line distributors that are provided with on first oil supply main line and the second oil supply main line, the terminal of first oil supply main line and second oil supply main line all connects differential pressure switch, the equal electric connection electric cabinet of electric petrol pump, electromagnetic directional valve and differential pressure switch.
The technical scheme of the invention is further improved as follows: the double-line distributor comprises a plurality of oil circuit units which are arranged in parallel, wherein the left side of the upper part of each oil circuit unit is respectively provided with a first oil inlet pipeline and a first oil outlet pipelineThe oil pipeline and the right side of the upper part are respectively provided with a second oil inlet pipeline and a second oil outlet pipeline, the first oil inlet pipeline, the first oil outlet pipeline, the second oil inlet pipeline and the second oil outlet pipeline are all arranged at 90 degrees, a communication pipeline is arranged between the first oil outlet pipeline and the second oil outlet pipeline, two ports of the communication pipeline are respectively communicated with the first oil outlet pipeline and the second oil outlet pipeline, an adjusting screw plug is arranged in the middle of the communication pipeline, the first oil supply main pipeline is connected with the first oil inlet pipelines of a plurality of oil circuit units, the second oil supply main pipeline is connected with the second oil inlet pipelines of the plurality of oil circuit units, the middle part of each oil circuit unit is provided with a control piston channel, the lower part of each oil circuit unit is provided with a working piston channel, the first oil inlet pipeline is communicated with the left cavity of the control piston channel, and the second oil inlet pipeline is communicated with the right cavity of the control piston channel, the first oil outlet pipeline is communicated with the control piston channel, and the distance between the communicated part and the end part of the left cavity of the control piston channel is L1The second oil outlet pipeline is communicated with the control piston channel, and the distance between the communicated part and the end part of the right cavity of the control piston channel is L2The utility model discloses a control piston passageway, the left cavity of control piston passageway and the left cavity of working piston passageway communicate through first connecting channel, the right cavity of control piston passageway and the right cavity of working piston passageway communicate through the second connecting channel, the inside of control piston passageway is provided with control piston and can the horizontal slip at the control piston passageway, the both ends of control piston passageway are provided with the fixed plug screw of controlling piston passageway internal seal, the inside of working piston passageway is provided with working piston and can the horizontal slip at the working piston passageway, the both ends of working piston passageway are provided with adjusting bolt, the both ends of working piston be with adjusting bolt complex cavity.
The technical scheme of the invention is further improved as follows: the working piston is in clearance fit with the working piston channel, and the control piston comprises a first working section, a second working section, a third working section and a control piston channel, wherein the first working section is in clearance fit with the control piston channel, the second working section is in interference fit with the control piston channel, the third working section is in clearance fit with the control piston channel, and the third working section is in interference fit with the control piston channelA fourth working section matched with the first working section and a fifth working section in clearance fit with the control piston channel, wherein the length of the control piston is M, and the length of the first working section is M1The length of the second working section is M2The length of the third working section is M3Fourth working section) has a length of M4The length of the fifth working section is M5。
The technical scheme of the invention is further improved as follows: said L1≤M1+M2，L2≤M4+M5。
The technical scheme of the invention is further improved as follows: the first connecting channel and the second connecting channel are obliquely arranged, the end part of the first working section, the end part of the fifth working section and the two end parts of the working piston are chamfered, a port on one side of the first connecting channel is communicated with the end part of the left cavity of the working piston channel, the other port is communicated with the control piston channel, and the distance from the first connecting channel to the end part of the left cavity of the control piston channel is L3And L is3≥M1One side port of the second connecting channel is communicated with the end part of the right cavity of the working piston channel, the other port of the second connecting channel is communicated with the control piston channel, and the distance between the second connecting channel and the end part of the right cavity of the control piston channel is L4And L is4≥M5The distance between the first connecting channel and the end part of the right cavity of the control piston channel is L5And L is5Not less than M, and the distance between the second connecting channel and the end part of the left cavity of the control piston channel is L6And L is6≥M。
The technical scheme of the invention is further improved as follows: the oil supply device is characterized in that stop blocks are fixedly arranged on the outer portions of two ends of the working piston channel, threaded through holes matched with adjusting bolts are formed in the stop blocks, and the stroke of the adjusting bolts entering the working piston channel corresponds to the oil supply amount.
The technical scheme of the invention is further improved as follows: the working cavity A of the electromagnetic directional valve is connected with the first dry oil filter and then connected with the first oil supply main pipeline, and the working cavity B of the electromagnetic directional valve is connected with the second dry oil filter and then connected with the second oil supply main pipeline.
The technical scheme of the invention is further improved as follows: the cavity is of a trapezoidal structure and has a large outer diameter and a small inner diameter.
Due to the adoption of the technical scheme, the invention has the technical progress that:
1. in the invention, each oil supply unit is provided with two adjusting bolts, and two ends of the working piston are both cavities matched with the adjusting bolts, the stroke of the working piston entering the working piston channel through the adjusting bolts corresponds to the oil supply amount, when the requirement of the lubricating point on one side on the oil amount is small, the stroke of screwing the adjusting bolt into the working piston channel on one side is small, the residual volume of the cavity of the working piston on the same side is large, dry oil stored in the residual volume of the cavity does not flow to the lubricating point on the side, the oil amount of the lubricating point on the side is small, similarly, when the requirement of the lubricating point on one side on the oil amount is large, the stroke of screwing the adjusting bolt into the working piston channel on one side is large, the residual volume of the cavity of the working piston on the same side is small, the dry oil stored in the residual volume of the cavity is small, and the working piston is provided with the cavity, so the oil storage, the invention overcomes the defect that the oil quantity of two oil outlet pipelines of one oil feeding unit can not be independently adjusted in the prior art, reduces the consumption of dry oil and improves the environmental protection and the economical efficiency of the system;
2. according to the invention, by adjusting the adjusting screw plug to the closed state, one oil feeding unit can be connected with two lubricating points, and the adjusting screw plug is adjusted to the open state, so that one oil feeding unit can be connected with one lubricating point, and different requirements in production are met.
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 oil feeding unit of the present invention;
FIG. 3 is a schematic view of the control piston of the present invention;
wherein, 1, an oil storage tank, 2, an electric petrol pump, 3, an electric lubricating pump, 4, an electromagnetic directional valve, 5, an overflow valve, 6, a first oil supply main pipeline, 7, a second oil supply main pipeline, 8, a two-wire distributor, 9, a differential pressure switch, 10, an electric control box, 11, a first oil inlet pipeline, 12, a first oil outlet pipeline, 13, a second oil inlet pipeline, 14, a second oil outlet pipeline, 15, a control piston channel, 16, a working piston channel, 17, a communication pipeline, 18, an adjusting screw plug, 19, a first connecting channel, 20, a control piston, 201, a first working section, 201, a second working section, 202, a third working section, 203, a fourth working section, 204, a fifth working section, 21, a fixed screw plug, 22, a working piston, 23, an adjusting bolt, 24, a cavity, 25, a second connecting channel, 26, a first dry oil filter, 27 and a second dry oil filter, 28. and a stop block.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 to 3, a two-line centralized dry oil lubrication system for realizing independent adjustment of oil supply amount comprises an oil storage tank 1, wherein an inlet of the oil storage tank 1 is connected with an electric oiling pump 2 through a pipeline, and an outlet of the oil storage tank 1 is connected with an inlet of an electric lubricating pump 3 through a pipeline, the electric oiling pump 2 supplies dry oil to the oil storage tank 1 according to the consumption condition of the dry oil in the oil storage tank 1, an outlet of the electric lubricating pump 3 is divided into two paths, one path is connected with an electromagnetic directional valve 4, the other path is connected with an overflow valve 5, the overflow valve 5 is used for adjusting the outlet pressure of the electric lubricating pump 3 to play a protection role, and when the pressure is greater than a set value, the dry oil returns to the oil storage tank 1 through. The working cavity A of the electromagnetic directional valve 4 is connected with the first dry oil filter 26 and then connected with the first oil supply main pipeline 6, the working cavity B of the electromagnetic directional valve 4 is connected with the second dry oil filter 27 and then connected with the second oil supply main pipeline 7, the first dry oil filter 26 and the second dry oil filter 27 can effectively filter impurities in grease to ensure that the grease is clean, the double-line distributor 8 is prevented from being blocked and deadlocked, and the reliability of oil supply is ensured.
When the left electromagnet in the electromagnetic directional valve 4 is electrified, the valve core is pushed to the right side under the action of electromagnetic force, the oil inlet cavity in the electromagnetic directional valve 4 is connected with the working cavity A, and the working cavity B is connected with the oil return cavity, so that oil supply of the first oil supply main pipeline 6 is realized, and pressure relief of the second oil supply main pipeline 7 is realized; when the right electromagnet in the electromagnetic directional valve 4 is electrified, the valve core is pushed to the left side under the action of electromagnetic force, the oil inlet cavity in the electromagnetic directional valve 4 is connected with the working cavity B, the working cavity A is connected with the oil return cavity, so that oil supply of the second oil supply main pipeline 7 is realized, and pressure relief of the first oil supply main pipeline 6 is realized; the first oil supply main pipeline 6 and the second oil supply main pipeline 7 are both provided with a plurality of double-line distributors 8 in parallel, and the double-line distributors 8 keep system pressure, so that each oil supply point can obtain quantitative grease. The number of two-wire distributors 8 is apportioned appropriately according to the number of lubricating points. The tail ends of the first oil supply main pipeline 6 and the second oil supply main pipeline 7 are both connected with a differential pressure switch 9, the differential pressure switch 9 plays a role in detecting the pressure of the first oil supply main pipeline 6 and the second oil supply main pipeline 7, the electric oiling pump 2, the electric lubricating pump 3, the electromagnetic reversing valve 4 and the differential pressure switch 9 are all electrically connected with the electric cabinet 10, after oil delivery of all lubricating points on the first oil supply main pipeline 6 is finished, the differential pressure switch 9 transmits signals to the electric cabinet 10, and the electric cabinet 10 reverses the electromagnetic reversing valve 4 according to a preset program and transfers the oil to the second oil supply main pipeline 7.
The double-wire distributor 8 comprises a plurality of oil-way units arranged in parallel, the left side of the upper part of each oil-way unit is respectively provided with a first oil inlet pipeline 11 and a first oil outlet pipeline 12, the right side of the upper part of each oil-way unit is respectively provided with a second oil inlet pipeline 13 and a second oil outlet pipeline 14, the first oil inlet pipeline 11, the first oil outlet pipeline 12, the second oil inlet pipeline 13 and the second oil outlet pipeline 14 are all arranged at 90 degrees, a communication pipeline 17 is arranged between the first oil outlet pipeline 12 and the second oil outlet pipeline 14, two ports of the communication pipeline 17 are respectively communicated with the first oil outlet pipeline 12 and the second oil outlet pipeline 14, an adjusting screw plug 18 is arranged in the middle of the communication pipeline 17, the adjusting screw plugs 18 are adjusted to be in a closed state, one oil-supplying unit can be connected with two lubricating points, the adjusting screw plugs 18 are adjusted to be in an open state, and one oil-supplying unit can be connected with one lubricating point, different requirements in production are met.
The first oil supply main pipeline 6 is connected with first oil inlet pipelines 11 of a plurality of oil way units, the second oil supply main pipeline 7 is connected with second oil inlet pipelines 13 of the plurality of oil way units, and the middle of each oil way unitThe part of the oil outlet pipe is provided with a control piston channel 15, the lower part of the oil outlet pipe is provided with a working piston channel 16, the first oil inlet pipe 11 is communicated with the left cavity of the control piston channel 15, the second oil inlet pipe 13 is communicated with the right cavity of the control piston channel 15, and the distance between the first oil outlet pipe 12 and the left cavity of the control piston channel 15 and the end part of the communicated part of the first oil outlet pipe 12 and the control piston channel 15 is L1The second oil outlet pipeline 14 is communicated with the control piston channel 15, and the distance between the communicated part and the end part of the right cavity of the control piston channel 15 is L2The left cavity of the control piston channel 15 is communicated with the left cavity of the working piston channel 16 through a first connecting channel 19, the right cavity of the control piston channel 15 is communicated with the right cavity of the working piston channel 16 through a second connecting channel 25, the control piston 20 is arranged in the control piston channel 15 and can slide left and right in the control piston channel 15, the fixed screw plugs 21 for sealing the inside of the control piston channel 15 are arranged at two ends of the control piston channel 15, the working piston 22 is arranged in the working piston channel 16 and can slide left and right in the working piston channel 16, the adjusting bolts 23 are arranged at two ends of the working piston channel 16, the two ends of the working piston 22 are both arranged into cavities 24 matched with the adjusting bolts 23, the cavities 24 are of a trapezoidal structure, have large outer diameter and small inner diameter, and when oil is stored in the cavities 24, the adjusting bolt 23 is conveniently led into the cavity 24 and the oil deposit in the cavity 24 is extruded out.
Working piston 22 and working piston passageway 16 clearance fit, control piston 20 includes from left to right in proper order with control piston passageway 15 clearance fit's first working segment 201, with control piston passageway 15 interference fit's second working segment 201, with control piston passageway 15 clearance fit's third working segment 203, with control piston passageway 15 interference fit's fourth working segment 204 and with control piston passageway 15 clearance fit's fifth working segment 205, control piston 20's length is M, and first working segment 201's length is M1The length of the second working section 202 is M2The length of the third working segment 203 is M3The length of the fourth working segment 204 is M4The length of the fifth working segment 205 is M5。
The first connecting channel 19 and the second connecting channel 25 are obliquely arranged, the end part of the first working section 201, the end part of the fifth working section 205 and the two end parts of the working piston 22 are all chamfered, one side port of the first connecting channel 19 is communicated with the end part of the left cavity of the working piston channel 16, the other port of the first connecting channel is communicated with the control piston channel 15, and the distance from the first connecting channel 19 to the end part of the left cavity of the control piston channel 15 is L3And L is3≥M1And dry grease can enter the control piston 15 from the first connecting channel 19, one side port of the second connecting channel 25 is communicated with the end part of the right cavity of the working piston channel 16, the other port of the second connecting channel 25 is communicated with the control piston channel 15, and the distance between the second connecting channel 25 and the end part of the right cavity of the control piston channel 15 is L4And L is4≥M5To ensure that the grease can pass through the second connecting channel 25 into the control piston 15, the distance between the first connecting channel 19 and the right cavity end of the control piston channel 15 is L5And L is5Not less than M, ensuring that the dry grease can pass through the first connecting channel 19 and enter the control piston 15, wherein the distance between the second connecting channel 25 and the end part of the left cavity of the control piston channel 15 is L6And L is6Not less than M, ensuring that the dry grease can pass from the second connecting channel 25 into the control piston 15, said L1≤M1+M2，L2≤M4+M5The grease can be ensured to be supplied to the lubricating points from the first oil outlet pipeline 12 and the second oil outlet pipeline 14 respectively;
the outer parts of two ends of the working piston channel 16 are fixedly provided with the check blocks 28, the inner parts of the check blocks 28 are provided with threaded through holes matched with the adjusting bolts 23, each oil feeding unit is provided with two adjusting bolts 23, two ends of the working piston 22 are both cavities 24 matched with the adjusting bolts, the stroke of the working piston channel 16 entering through the adjusting bolts 23 corresponds to the oil feeding amount, when the lubricating point on one side has a small oil amount demand, the stroke of the adjusting bolts 23 screwed into the working piston channel 16 on one side is small, the residual volume of the cavities 24 of the working pistons 22 on the same side is large, dry oil grease stored in the residual volume of the cavities 24 does not flow to the lubricating point on the side, the oil amount of the lubricating point on the side is small, and similarly, when the lubricating point on one side has a large oil amount demand, the stroke of the adjusting bolts 23 screwed into the working piston channel 16 on one side, the residual volume of the cavity 24 of the working piston 22 at the same side is small, the dry oil stored in the residual volume of the cavity 24 is less, and the working piston 22 is provided with the cavity 24, so that the oil storage amount of the working piston channel 16 is larger than that of the traditional working piston channel 16, and the oil amount of a lubricating point at the side is large.
The specific implementation mode is as follows: the dry oil two-line centralized lubrication system of the invention sucks dry oil from an oil storage tank 1 by an electric lubrication pump 2 at certain intervals (determined according to an oil feeding period), the dry oil is pressed into a first oil supply main pipeline 6 from an electromagnetic directional valve 4 through a first dry oil filter 26, a second oil supply main pipeline 7 is communicated with the oil storage tank 1 through the electromagnetic directional valve 4, the pressure of the second oil supply main pipeline 7 is unloaded, the oil supply quantity of a plurality of oil outlet pipelines to lubricating points is determined by adjusting the screwing stroke of a plurality of adjusting bolts 23 into a working piston channel 16 according to the oil quantity requirement of each lubricating point, the dry oil is pressed into a plurality of first oil inlet pipelines 11 of a two-line distributor 8 through the first oil supply main pipeline 6, then the dry oil enters a left cavity of a control piston 20 to push the control piston 20 to the right, at the moment, the second oil inlet pipeline 13 is unloaded, and along with the control piston 20, the left cavity of the control piston 20 moving to the right is communicated with the left cavity of the working piston channel 16 through a first connecting channel 19, the right cavity of the working piston channel 16 is full of oil after passing through a side idle stroke, dry grease enters the left cavity of the working piston channel 16 and pushes the working piston channel 16 to move rightwards, the dry grease of the right cavity is pressed into the second oil outlet pipeline 14 and then supplies oil to a specified lubricating point, a plurality of second oil outlet pipelines 14 are supplied with quantitative lubricating grease to each lubricating point, when all the double-line distributors 8 on the first oil supply main pipeline 6 finish working, the electric lubricating pump 2 continues to press the dry grease into the first oil supply main pipeline 6, the internal pressure of the first oil supply main pipeline 6 is continuously increased, when the pressure reaches the set value of the differential pressure switch 9, the differential pressure switch 9 transmits a signal to the electric control box 10, the electric control box 10 switches the electromagnetic directional valve 4 according to a preset program, the electromagnetic directional valve 4 is switched, namely the input of the dry grease is switched from the original first oil supply main pipeline 6 to the second oil supply main pipeline 7, the system completes one oil feeding operation.
After the direction is changed, a first oil supply main pipeline 6 with certain pressure is communicated with an oil storage tank 1 through an electromagnetic directional valve 4, the pressure of the first oil supply main pipeline 6 is unloaded, dry grease is sucked out of the oil storage tank 1 by an electric lubricating pump 2, the dry grease is pressed into a second oil supply main pipeline 7 through a second dry oil filter 27 after flowing out of the electromagnetic directional valve 4, the dry grease is pressed into a plurality of second oil inlet pipelines 13 of a double-line distributor 8 through the second oil supply main pipeline 7 and then enters a right cavity of a control piston 20 to push the control piston 20 to the left, at the moment, the first oil inlet pipeline 11 is unloaded, along with the leftward movement of the control piston 20, the right cavity of the control piston 20 is communicated with a right cavity of a working piston channel 16 through a second connecting channel 25, the left cavity of the working piston channel 16 is full of oil after passing through a side idle stroke, the dry grease enters the right cavity of the working piston channel 16 to push the working piston channel 16 to the left, and after the dry grease of the left cavity is pressed into the first oil outlet pipeline 12, the grease is supplied to the designated lubricating points, a certain amount of grease is supplied to each lubricating point through the first oil outlet pipelines 12, and when all the double-line distributors 8 on the second oil supply main pipeline 7 finish working, the system finishes secondary oil supply operation.
Claims (8)
1. The utility model provides a realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment which characterized in that: the oil storage tank comprises an oil storage tank (1), wherein an inlet of the oil storage tank (1) is connected with an electric oiling pump (2) through a pipeline, an outlet of the oil storage tank is connected with an overflow valve (5) through a pipeline, an outlet of the electric lubricating pump (3) is divided into two paths, one path is connected with an electromagnetic reversing valve (4), the other path is connected with the overflow valve (5), a working cavity A of the electromagnetic reversing valve (4) is connected with an oil inlet of a first oil supply main pipeline (6), a working cavity B of the electromagnetic reversing valve (4) is connected with an oil inlet of a second oil supply main pipeline (7), a plurality of double-line distributors (8) are arranged on the first oil supply main pipeline (6) and the second oil supply main pipeline (7) in parallel, the tail ends of the first oil supply main pipeline (6) and the second oil supply main pipeline (7) are connected with a differential pressure switch (9), and the electric oiling pump (2), the electric lubricating pump (3) are arranged, The electromagnetic directional valve (4) and the differential pressure switch (9) are both electrically connected with the electric cabinet (10).
2. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 1, is characterized in that: the double-line distributor (8) comprises a plurality of oil-way units arranged in parallel, the left side of the upper part of each oil-way unit is provided with a first oil inlet pipeline (11) and a first oil outlet pipeline (12) respectively, the right side of the upper part of each oil-way unit is provided with a second oil inlet pipeline (13) and a second oil outlet pipeline (14) respectively, the first oil inlet pipeline (11), the first oil outlet pipeline (12), the second oil inlet pipeline (13) and the second oil outlet pipeline (14) are arranged at 90 degrees, a communication pipeline (17) is arranged between the first oil outlet pipeline (12) and the second oil outlet pipeline (14), two ports of the communication pipeline (17) are respectively communicated with the first oil outlet pipeline (12) and the second oil outlet pipeline (14), the middle of the communication pipeline (17) is provided with an adjusting screw plug (18), the first oil supply main pipeline (6) is connected with the first oil inlet pipelines (11) of the plurality of oil-way units, the second oil supply main pipeline (7) is connected with second oil inlet pipelines (13) of a plurality of oil circuit units, each oil circuit unit is provided with a control piston channel (15) in the middle and a working piston channel (16) in the lower, the first oil inlet pipeline (11) is communicated with a left cavity of the control piston channel (15), the second oil inlet pipeline (13) is communicated with a right cavity of the control piston channel (15), and the first oil outlet pipeline (12) is communicated with the control piston channel (15) and the distance between the communicated part and the end part of the left cavity of the control piston channel (15) is L1The second oil outlet pipeline (14) is communicated with the control piston channel (15), and the distance between the communicated part and the end part of the right cavity of the control piston channel (15) is L2The left cavity of the control piston channel (15) is communicated with the left cavity of the working piston channel (16) through a first connecting channel (19), the right cavity of the control piston channel (15) is communicated with the right cavity of the working piston channel (16) through a second connecting channel (25), a control piston (20) is arranged in the control piston channel (15), and the control piston channel (16) is provided with a control piston (20)But control piston (20) horizontal slip in control piston passageway (15), the both ends of control piston passageway (15) are provided with fixed plug screw (21) with control piston passageway (15) internal closure, the inside of working piston passageway (16) is provided with working piston (22) and working piston (22) horizontal slip in working piston passageway (16), the both ends of working piston passageway (16) are provided with adjusting bolt (23), the both ends of working piston (22) all set up to cavity (24) with adjusting bolt (23) complex.
3. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 2, is characterized in that: working piston (22) and working piston passageway (16) clearance fit, control piston (20) include from left to right in proper order with control piston passageway (15) clearance fit's first working segment (201), with control piston passageway (15) interference fit's second working segment (201), with control piston passageway (15) clearance fit's third working segment (203), with control piston passageway (15) interference fit's fourth working segment (204) and with control piston passageway (15) clearance fit's fifth working segment (205), the length of control piston (20) is M, and the length of first working segment (201) is M1The length of the second working section (202) is M2The length of the third working section (203) is M3Fourth working segment (204)) has a length M4The length of the fifth working section (205) is M5。
4. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 3, is characterized in that: said L1≤M1+M2，L2≤M4+M5。
5. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 3, is characterized in that: the first connecting channel (19) and the second connecting channel (25) are obliquely arranged, the end part of the first working section (201), the end part of the fifth working section (205) and the two end parts of the working piston (22) are chamfered, and the first connecting channel (1)9) One side port is communicated with the end part of the left cavity of the working piston channel (16), the other port is communicated with the control piston channel (15), and the distance between the first connecting channel (19) and the end part of the left cavity of the control piston channel (15) is L3And L is3≥M1One side port of the second connecting channel (25) is communicated with the end part of the right cavity of the working piston channel (16), the other port is communicated with the control piston channel (15), and the distance between the second connecting channel (25) and the end part of the right cavity of the control piston channel (15) is L4And L is4≥M5The distance between the first connecting channel (19) and the end part of the right cavity of the control piston channel (15) is L5And L is5Not less than M, the distance between the second connecting channel (25) and the end part of the left cavity of the control piston channel (15) is L6And L is6≥M。
6. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 2, is characterized in that: the oil supply device is characterized in that stop blocks (28) are fixedly arranged on the outer portions of two ends of the working piston channel (16), thread through holes matched with the adjusting bolts (23) are formed in the stop blocks (28), and the stroke of the adjusting bolts (23) entering the working piston channel (16) corresponds to the oil supply amount.
7. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 1, is characterized in that: the working cavity A of the electromagnetic directional valve (4) is connected with the first dry oil filter (26) and then connected with the first oil supply main pipeline (6), and the working cavity B of the electromagnetic directional valve (4) is connected with the second dry oil filter (27) and then connected with the second oil supply main pipeline (7).
8. The dry oil double-line centralized lubricating system for realizing the independent adjustment of the oil supply quantity according to claim 2, is characterized in that: the cavity (24) is of a trapezoidal structure and has a large outer diameter and a small inner diameter.
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| CN202011185863.2A CN112303465B (en) | 2020-10-30 | 2020-10-30 | Realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment |
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| CN202011185863.2A CN112303465B (en) | 2020-10-30 | 2020-10-30 | Realize two line centralized lubrication systems of drier oil of fuel feed volume independent adjustment |
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| CN112303465B (en) | 2022-02-11 |
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