CN113390750B - Detection equipment and detection method for lubricating oil in gear box - Google Patents
Detection equipment and detection method for lubricating oil in gear box Download PDFInfo
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- CN113390750B CN113390750B CN202110477538.1A CN202110477538A CN113390750B CN 113390750 B CN113390750 B CN 113390750B CN 202110477538 A CN202110477538 A CN 202110477538A CN 113390750 B CN113390750 B CN 113390750B
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 156
- 238000001514 detection method Methods 0.000 title claims description 42
- 239000012535 impurity Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 43
- 239000003921 oil Substances 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 4
- 230000010405 clearance mechanism Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2888—Lubricating oil characteristics, e.g. deterioration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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- Life Sciences & Earth Sciences (AREA)
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- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The invention relates to the field of gear boxes, and particularly discloses equipment and a method for detecting lubricating oil in a gear box, wherein the equipment comprises a sampling mechanism and a testing mechanism, wherein the sampling mechanism and the testing mechanism are both arranged on a shell outside the gear box; the sampling mechanism is arranged on one side of the top of the shell, and the testing mechanism is arranged on one side of the middle of the shell. Impurity piles up on the filter screen, has increased the weight of filter screen, and the filter screen is to the pressure increase of bottom sprag pole, and the pressure sensor at bracing piece top measures the pressure numerical value that receives, learns the weight change of filter screen through the change of pressure numerical value to learn the impurity weight that the filter screen filtered out, judge the content of the inside impurity of lubricating oil through the weight of filtering out impurity, thereby judge the quality in the lubricating oil use.
Description
Technical Field
The invention relates to detection equipment, in particular to detection equipment and a detection method for lubricating oil in a gear box, and belongs to the field of gear boxes.
Background
The gear box is widely applied to common machinery, power is transmitted or rotating speed is controlled through the gear box, the gear box is stable in work, and the gear box can meet the use requirements of different various environments.
The lubricating oil condition inside the existing gear box in use cannot be detected in time, if the internal gear is damaged or the lubricating oil is polluted by more impurities, the internal gear can not be found in time, the work of other normal gears is further influenced, the service life of the gears is shortened, and the safety in use of the gear box cannot be guaranteed. When detecting lubricating oil, need discharge lubricating oil from the gearbox, it is inefficient, the troublesome poeration.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a detection device and a detection method for lubricating oil in a gearbox.
The purpose of the invention can be realized by the following technical scheme:
a detection device for lubricating oil in a gearbox comprises a sampling mechanism and a testing mechanism, wherein the sampling mechanism and the testing mechanism are both arranged on a shell outside the gearbox; the sampling mechanism is arranged on one side of the top of the shell, and the testing mechanism is arranged on one side of the middle of the shell.
Testing mechanism includes the mounting panel, be provided with the installing port that is used for installing the mounting panel on the casing lateral wall, the mounting panel is connected with the plunger towards the one end of casing, the plunger is provided with the inlet port towards the one end of installing port, the loading chamber that the inlet port and plunger inside set up link up the setting, and the inside of loading chamber is installed in the below of inlet port and is tested the speed and fight, the filter screen that the slope set up is installed in the below of fighting testing the speed to the inside of loading chamber, the bottom both ends of filter screen all are through bracing piece and the interior wall connection who loads the chamber, pressure sensor is installed with the junction of filter screen at the top of bracing piece.
The filter screen all around with the inner wall contact of loading the chamber, the top of filter screen all is connected with the baffle all around the edge, and the inner wall of loading the chamber installs clearance mechanism on the upper portion of filter screen, the filter screen is the magnetism material, the bottom of loading the chamber is provided with the backward flow mouth.
Preferably, clearance mechanism includes cleaning pad and return spring, and the upper portion at the filter screen is placed in the slip of cleaning pad, and the one end of cleaning pad is passed through return spring and is loaded the inner wall in chamber and be connected, and return spring sets up in the filter screen top with the junction that loads the intracavity wall, and cleaning pad and return spring are rubber material.
Preferably, the inner wall of loading chamber is connected with alarm switch in the top of filter screen lower extreme, and the siren electric connection of alarm switch external connection, cleaning pad can contact with alarm switch, and cleaning pad and alarm switch contact back, the siren sends alarm signal.
Preferably, the bottom that tests the speed fill is provided with the oil drain port, and the oil drain port sets up in the top of filter screen highest end, and the internally mounted of oil drain port has flow velocity sensor, and the bottom that loads the chamber is arc setting, and the backward flow mouth sets up in arc bottommost.
Preferably, the one end of loading chamber is kept away from to the below of inlet port is connected with the collecting plate, and the equal body coupling in both ends has the fixed plate that is used for the installation about the outer wall of mounting panel, and the both ends of mounting panel still are connected with the wire holder, and the plunger outer wall is close to mounting panel one end and is connected with the sealed pad of round.
Preferably, the valve is installed to the inner of installing port, and the outer end top of installing port is provided with the recess, and the push pedal is installed in the inside rotation of recess, and installs the start-stop switch that is used for controlling the valve to open or close above the inside of recess, and the plunger inserts the inside back push pedal of installing port one end with start-stop switch contact, the valve is opened.
Preferably, the sampling mechanism includes a sample detection pipe, a sampling pipe seat for installing the sample detection pipe is arranged on the shell, and a plugging column is connected above the outer wall of the sample detection pipe.
Preferably, survey appearance intraduct and be the cavity and link up the setting, and the inside slidable mounting of surveying appearance pipe has the shutoff board, and the top of shutoff board is connected with the pull rod, and the top of pull rod extends to the outside of surveying appearance pipe.
Preferably, the top of the sample detection tube is connected with a handle, and the top of the pull rod penetrates through the handle and is connected with a handle plate.
A detection method of detection equipment for lubricating oil in a gearbox comprises the following steps:
the method comprises the following steps: during the gear lubrication process, part of lubricating oil penetrates through the valve in a splashing mode and falls into the upper part of the collecting plate, the lubricating oil flows into the speed measuring hopper from the collecting plate, then the lubricating oil is discharged outwards from the speed measuring hopper through the oil outlet at the bottom, and the lubricating oil enters the flow velocity sensor in the oil outlet to measure the flow velocity when being discharged downwards, so that the downward flowing speed of the lubricating oil is obtained; the flow velocity sensor transmits the measured flow velocity signal to a background preset receiving system, so that a worker can timely know the flow velocity of the lubricating oil in the speed measuring hopper, and the quality of the lubricating oil is judged by comparing the measured flow velocity value with a preset flow velocity value;
step two: lubricating oil flowing out of the speed measuring hopper falls into the upper part of the filter screen, is filtered by the filter screen and then falls into the bottom end of the interior of the loading cavity, and finally enters the interior of the shell from the circulation ports arranged at the bottoms of the backflow port and the mounting port for continuous use; the filter screen filters out impurities in the lubricating oil, fine scrap iron is adhered and attracted through magnetic force, the impurities are accumulated on the filter screen, the weight of the filter screen is increased, the pressure of the filter screen on the bottom supporting rod is increased, a pressure sensor at the top of the supporting rod measures the pressure value, the weight change of the filter screen is known through the change of the pressure value, so that the weight of the impurities filtered out by the filter screen is known, the content of the impurities in the lubricating oil is judged through the weight of the filtered impurities, and the quality of the lubricating oil in the using process is judged;
step three: after the lubricating oil falls into the upper part of the filter screen, if the lubricating oil cannot timely pass through the filter screen, the lubricating oil pushes the cleaning pad to move downwards on the upper part of the filter screen, so that the filtering area of the filter screen is increased, meanwhile, the cleaning pad cleans the upper part of the filter screen, and the filter screen cannot be blocked by impurities; after the lubricating oil is filtered, the return spring pulls the cleaning pad to return to the original position;
step four: the gear box in use upwards extracts the appearance pipe of spying, judges the height of the inside lubricating oil of casing through the vestige of the outside lubricating oil of appearance pipe of spying to learn the oil mass of lubricating oil, can upwards stimulate the handle board during the detection, drive the inside removal of shutoff board at the appearance pipe of spying through the pull rod, and then inhale the inside of appearance pipe of spying with partly lubricating oil, upwards take out the appearance pipe of spying again, can take out lubricating oil in the same direction as the area, can detect out the lubricating oil quality through the lubricating oil that takes out.
The invention has the beneficial effects that:
1. through setting up the speed measuring case for some lubricating oil of gear lubrication in-process passes the valve through the mode that splashes and falls into the inside that tests the speed and fight, and lubricating oil is followed and is tested the speed and fight the oil drain port of bottom and outwards discharge, and lubricating oil enters the inside velocity of flow sensor of oil drain port when discharging downwards and measures the velocity of flow, thereby reachs the speed of lubricating oil downflow. The flow velocity sensor transmits the measured flow velocity signal to a receiving system preset in a background, so that the working personnel can timely know the flow velocity of the lubricating oil in the speed measuring hopper, and the quality of the lubricating oil is judged by comparing the measured flow velocity value with the preset flow velocity value.
2. Through setting up the filter screen for from the lubricating oil that the fill that tests the speed flows and fall into the upper portion of filter screen, the filter screen filters out the inside impurity of lubricating oil, and tiny iron fillings are passed through magnetic force and are bonded the attraction, make the inside impurity after lubricating oil detects get rid of, and cleaner recycles, is favorable to the safe work of gear. Impurity piles up on the filter screen, has increased the weight of filter screen, and the filter screen is to the pressure increase of bottom sprag pole, and the pressure sensor at bracing piece top measures the pressure numerical value that receives, learns the weight change of filter screen through the change of pressure numerical value to learn the impurity weight that the filter screen filtered out, judge the content of the inside impurity of lubricating oil through the weight of filtering out impurity, thereby judge the quality in the lubricating oil use.
3. Through setting up cleaning pad on the filter screen for lubricating oil falls into the upper portion back of filter screen, if because impurity is too much can not timely pass the filter screen, lubricating oil then promotes cleaning pad and moves down on the upper portion of filter screen, increases the filter area of filter screen, makes lubricating oil can be timely filter, and cleaning pad can be cleaned the upper portion of filter screen simultaneously, keeps the filter screen can not blockked up by impurity. Lubricating oil filters the back, and return spring can stimulate cleaning pad to get back to original position, and cleaning pad round trip movement has guaranteed the filtration efficiency of filter screen on the filter screen for lubricating oil is difficult for piling up the upper portion at the filter screen.
4. Through the internally mounted valve at the installing port for impurity on the filter screen piles up the back, can dismantle the mounting panel from the casing and change. When the mounting panel was dismantled, the plunger breaks away from in the installing port, and the one end of push pedal loses the pressure of plunger, and then makes the push pedal break away from with opening and stopping the switch, and the valve is closed, and lubricating oil can not enter into the inside of installing port, and then makes lubricating oil can not reveal, and when the mounting panel was installed once more, the plunger entered into the inside of installing port and pressed the push pedal for the valve is opened once more, can make the mounting panel break away from the back, and the valve can self-closing, does not worry that lubricating oil takes place to reveal, and the security performance is higher.
5. Through setting up sampling mechanism for gear box in use can upwards be extracted the spy appearance pipe, judges the height of the inside lubricating oil of casing through the vestige of the outside lubricating oil of spy appearance pipe, thereby learns the oil mass of lubricating oil, convenient timely supplementary lubricating oil. And can upwards stimulate the handle board during the detection, can take out lubricating oil in the same direction as the area, can detect out the lubricating oil quality through the lubricating oil of taking out, confirm whether need to change, improve the efficiency of detection, and easy operation is swift, need not to discharge lubricating oil, and is safe high-efficient more.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic structural diagram of a sampling mechanism according to the present invention.
FIG. 3 is a schematic structural diagram of a testing mechanism according to the present invention.
Fig. 4 is an enlarged detail view of a point a in fig. 3 according to the present invention.
FIG. 5 is a schematic view of the structure of the mirror mounting opening of the present invention.
FIG. 6 is an enlarged view of detail B in FIG. 5 according to the present invention.
In the figure: 1. a housing; 2. a handle; 3. a sampling tube seat; 4. a wire holder; 5. mounting a plate; 6. a handle plate; 7. plugging the column; 8. a pull rod; 9. a plugging plate; 10. a sample detection tube; 11. a fixing plate; 12. an alarm switch; 13. filtering with a screen; 14. a loading chamber; 15. a speed measuring hopper; 16. an inlet port; 17. a collection plate; 18. a plunger; 19. a gasket; 20. a return spring; 21. a cleaning pad; 22. a support bar; 23. a pressure sensor; 24. a valve; 25. an installation port; 26. pushing the plate; 27. a start-stop switch; 28. a groove; 29. a return port.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a device for detecting lubricating oil in a gearbox includes a sampling mechanism and a testing mechanism, both of which are mounted on a housing 1 outside the gearbox; the sampling mechanism is arranged on one side of the top of the shell 1, and the testing mechanism is arranged on one side of the middle of the shell 1.
Testing mechanism includes mounting panel 5, be provided with the installing port 25 that is used for installing mounting panel 5 on the 1 lateral wall of casing, mounting panel 5 is connected with plunger 18 towards the one end of casing 1, plunger 18 is provided with inlet port 16 towards the one end of installing port 25, inlet port 16 link up the setting with the inside loading chamber 14 that sets up of plunger 18, and the inside of loading chamber 14 installs speed measuring hopper 15 in the below of inlet port 16, the filter screen 13 that the slope set up is installed in the below of speed measuring hopper 15 in the inside of loading chamber 14, the bottom both ends of filter screen 13 all are connected with the inner wall of loading chamber 14 through bracing piece 22, pressure sensor 23 is installed with the junction of filter screen 13 at the top of bracing piece 22.
The periphery of the filter screen 13 is not contacted with the inner wall of the loading cavity 14, the peripheral edges of the top of the filter screen 13 are connected with baffle plates, the cleaning mechanism is arranged on the upper portion of the filter screen 13 on the inner wall of the loading cavity 14, the filter screen 13 is made of magnetic materials, and the bottom of the loading cavity 14 is provided with a return port 29.
As a technical optimization scheme of the invention, the cleaning mechanism comprises a cleaning pad 21 and a return spring 20, the cleaning pad 21 is slidably placed on the upper part of the filter screen 13, one end of the cleaning pad 21 is connected with the inner wall of the loading cavity 14 through the return spring 20, the joint of the return spring 20 and the inner wall of the loading cavity 14 is arranged above the highest end of the filter screen 13, the cleaning pad 21 and the return spring 20 are both made of rubber materials, the return spring 20 can pull the cleaning pad 21 to return to the original position, and the cleaning pad 21 moves back and forth on the filter screen 13, so that the filtering efficiency of the filter screen 13 is ensured.
As a technical optimization scheme of the invention, the inner wall of the loading cavity 14 is connected with an alarm switch 12 above the lowest end of the filter screen 13, an alarm connected to the outside of the alarm switch 12 is electrically connected, the cleaning pad 21 can be contacted with the alarm switch 12, the alarm sends out an alarm signal after the cleaning pad 21 is contacted with the alarm switch 12, if the cleaning pad 21 moves to the lowest part and is contacted with the alarm switch 12 due to excessive impurities on the filter screen 13, the alarm of the outside is further sent out, and workers can be informed to replace the mounting plate 5 in time.
As a technical optimization scheme of the invention, the bottom of the speed measuring hopper 15 is provided with an oil discharge port, the oil discharge port is arranged above the highest end of the filter screen 13, a flow velocity sensor is arranged inside the oil discharge port, the bottom of the loading cavity 14 is arranged in a circular arc shape, and the return port 29 is arranged at the lowest end of the circular arc shape. The circular arc shape is convenient for the lubricating oil to be fully discharged outwards.
As a technical optimization scheme of the invention, one end, far away from the loading cavity 14, below the inlet 16 is connected with a collecting plate 17, the upper end and the lower end of the outer wall of the mounting plate 5 are integrally connected with a fixing plate 11 for mounting, the two ends of the mounting plate 5 are also connected with wire holders 4, one end, close to the mounting plate 5, of the outer wall of the plunger 18 is connected with a circle of sealing gasket 19, and the collecting plate 17 can prevent lubricating oil from leaking.
As a technical optimization scheme of the invention, the valve 24 is installed at the inner end of the installation port 25, the groove 28 is arranged above the outer end of the installation port 25, the push plate 26 is rotatably installed inside the groove 28, the start-stop switch 27 for controlling the opening or closing of the valve 24 is installed above the inside of the groove 28, after the plunger 18 is inserted into the installation port 25, one end of the push plate 26 is in contact with the start-stop switch 27, and the opening and closing of the valve 24 can be controlled by the movement of the valve 24 start-stop push plate 26.
As a technical optimization scheme of the invention, the sampling mechanism comprises a sample detection tube 10, a sampling tube seat 3 for installing the sample detection tube 10 is arranged on the shell 1, and a plugging column 7 is connected above the outer wall of the sample detection tube 10.
As a technical optimization scheme of the invention, the interior of the sample detection tube 10 is arranged in a hollow penetrating manner, the interior of the sample detection tube 10 is slidably provided with the plugging plate 9, the top of the plugging plate 9 is connected with the pull rod 8, the top of the pull rod 8 extends to the exterior of the sample detection tube 10, and the pull rod 8 and the plugging plate 9 move upwards to suck lubricating oil into the interior of the sample detection tube 10.
As a technical optimization scheme of the invention, the top of the sample detection tube 10 is connected with the handle 2, and the top of the pull rod 8 penetrates through the handle 2 and is connected with the handle plate 6.
A detection method of detection equipment for lubricating oil in a gearbox comprises the following steps:
the method comprises the following steps: in the gear lubricating process, part of lubricating oil passes through the valve 24 and falls into the upper part of the collecting plate 17 in a splashing mode, the lubricating oil flows into the inside of the speed measuring hopper 15 from the collecting plate 17, then the lubricating oil is discharged outwards from the speed measuring hopper 15 through the oil outlet at the bottom, and the lubricating oil enters the flow velocity sensor in the oil outlet to measure the flow velocity when being discharged downwards, so that the downward flowing speed of the lubricating oil is obtained; the flow velocity sensor transmits the measured flow velocity signal to a background preset receiving system, so that a worker can timely know the flow velocity of the lubricating oil in the speed measuring hopper 15, and the quality of the lubricating oil is judged by comparing the measured flow velocity value with a preset flow velocity value;
step two: the lubricating oil flowing out of the speed measuring hopper 15 falls into the upper part of the filter screen 13, falls into the bottom end of the interior of the loading cavity 14 after being filtered by the filter screen 13, and finally enters the interior of the shell 1 from the circulation ports arranged at the bottoms of the return port 29 and the mounting port 25 for continuous use; the filter screen 13 filters out impurities in the lubricating oil, fine scrap iron is adhered and attracted through magnetic force, the impurities are accumulated on the filter screen 13, the weight of the filter screen 13 is increased, the pressure of the filter screen 13 on the bottom supporting rod 22 is increased, the pressure sensor 23 at the top of the supporting rod 22 measures the pressure value, the weight change of the filter screen 13 is known through the change of the pressure value, so that the weight of the impurities filtered out by the filter screen 13 is known, the content of the impurities in the lubricating oil is judged through the weight of the filtered impurities, and the quality of the lubricating oil in the using process is judged;
step three: after the lubricating oil falls into the upper part of the filter screen 13, if the lubricating oil cannot timely pass through the filter screen 13, the lubricating oil pushes the cleaning pad 21 to move downwards on the upper part of the filter screen 13, so that the filtering area of the filter screen 13 is increased, meanwhile, the cleaning pad 21 cleans the upper part of the filter screen 13, and the filter screen 13 cannot be blocked by impurities; after the lubricating oil is filtered, the return spring 20 pulls the cleaning pad 21 to return to the original position;
step four: gear box in use will visit appearance pipe 10 and upwards extract, judge the height of the inside lubricating oil of casing 1 through the vestige of the outside lubricating oil of spy appearance pipe 10, thereby learn the oil mass of lubricating oil, and can upwards stimulate handle plate 6 when detecting, drive closure plate 9 through pull rod 8 and remove in the inside of spy appearance pipe 10, and then inhale the inside of spy appearance pipe 10 with partly lubricating oil, again with spy appearance pipe 10 upwards taking out, can take out lubricating oil in the same direction as the area, can detect out the lubricating oil quality through the lubricating oil that takes out.
When the gearbox is used, the internal gear rotates, and lubricating oil in the shell 1 lubricates the gear, so that the gear can normally work. The wire holder 4 is connected with an external receiving system through a line, so that the flow rate of lubricating oil and the pressure of the filter screen 13 on the supporting rod 22 are received, and the state of the lubricating oil can be known conveniently and timely.
Some lubricating oil passes valve 24 through the mode that splashes and falls into the upper portion of collecting plate 17 among the gear lubrication process, and lubricating oil flows into the inside of speed measuring fill 15 from collecting plate 17, and lubricating oil is followed speed measuring fill 15 and is outwards discharged through the oil drain port of bottom, and the inside velocity of flow sensor of oil drain port is measured to the entering when lubricating oil discharges downwards to reach the speed that lubricating oil flows downwards. Flow velocity sensor 23 will measure the velocity of flow signal convey the predetermined receiving system in backstage to can let the staff in time learn the lubricating oil at the inside velocity of flow of speed measuring bucket 15, and compare with predetermined velocity of flow numerical value according to the velocity of flow numerical value that tests, judge the quality of lubricating oil.
Lubricating oil that flows from speed measuring hopper 15 falls into the upper portion of filter screen 13, falls into the inside bottom that loads chamber 14 after filter of filter screen 13, and the inside that enters into casing 1 from the circulation mouth that backward flow mouth 29 and installing port 25 bottom set up at last continues to use, has avoided the waste of lubricating oil. The lubricating oil after the detection can be continuously used, so that the lubricating oil in the shell 1 in the detection process can not be reduced too much, the lubricating oil is not required to be added frequently, and the normal use of the gear is not influenced in the detection process.
After the lubricating oil falls into the upper portion of filter screen 13, if can not be timely because impurity is too much to pass filter screen 13, lubricating oil then promotes cleaning pad 21 and moves down on the upper portion of filter screen 13, increases the filter area of filter screen 13 for lubricating oil can be timely filters, and cleaning pad 21 can clean the upper portion of filter screen 13 simultaneously, keeps filter screen 13 not blockked up by impurity. After the lubricating oil is filtered, the return spring 20 can pull the cleaning pad 21 to return to the original position, and the cleaning pad 21 moves back and forth on the filter screen 13, so that the filtering efficiency of the filter screen 13 is ensured, and the lubricating oil is not easy to accumulate on the upper part of the filter screen 13.
Since the mounting plate 5 can be freely attached and detached inside the mounting opening 25, the mounting plate 5 can be detached from the housing 1 for replacement after the impurities on the filter net 13 are accumulated. When mounting panel 5 is dismantled, plunger 18 breaks away from in the installing port 25, the one end of push pedal 26 loses the pressure of plunger 18, and then make push pedal 26 break away from with start-stop switch 27, valve 24 closes, lubricating oil can not enter into the inside of installing port 25, and then make lubricating oil can not reveal, when mounting panel 5 installs once more, plunger 18 enters into the inside of installing port 25 and presses push pedal 26, make valve 24 open once more, can make mounting panel 5 break away from the back, valve 24 can self-closing, do not worry that lubricating oil takes place to reveal, the security performance is higher.
And the gear box can be upwards pulled out with spy appearance pipe 10 in use, judges the height of the inside lubricating oil of casing 1 through the vestige of the outside lubricating oil of spy appearance pipe 10 to learn the oil mass of lubricating oil, convenient timely replenishment lubricating oil. And examine time measuring can upwards stimulate handle board 6, drive closure plate 9 through pull rod 8 and remove in the inside of exploring appearance pipe 10, and then inhale the inside of exploring appearance pipe 10 with partly lubricating oil, upwards take out exploring appearance pipe 10 again, can take out lubricating oil in the same direction as the area, lubricating oil quality and inside gear whether take place the incomplete, confirm whether need to change through the lubricating oil that takes out, the efficiency of detection has been improved, and easy operation is swift, need not to discharge lubricating oil, and is safer high-efficient.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The equipment for detecting the lubricating oil in the gearbox is characterized by comprising a sampling mechanism and a testing mechanism, wherein the sampling mechanism and the testing mechanism are both arranged on a shell (1) outside the gearbox; the sampling mechanism is arranged on one side of the top of the shell (1), and the testing mechanism is arranged on one side of the middle of the shell (1);
the testing mechanism comprises a mounting plate (5), a mounting hole (25) used for mounting the mounting plate (5) is formed in the side wall of the shell (1), a plunger (18) is connected to one end, facing the shell (1), of the mounting plate (5), an inlet (16) is formed in one end, facing the mounting hole (25), of the plunger (18), the inlet (16) is communicated with a loading cavity (14) formed in the plunger (18), a speed measuring hopper (15) is arranged below the inlet (16) in the loading cavity (14), a filter screen (13) which is obliquely arranged is arranged below the speed measuring hopper (15) in the loading cavity (14), two ends of the bottom of the filter screen (13) are connected with the inner wall of the loading cavity (14) through support rods (22), and a pressure sensor (23) is arranged at the connection position of the tops of the support rods (22) and the filter screen (13); the inner wall contact of loading chamber (14) is not all around of filter screen (13), and the top edge all around of filter screen (13) all is connected with the baffle, and the inner wall of loading chamber (14) installs clearance mechanism on the upper portion of filter screen (13), and filter screen (13) are the magnetism material, and the bottom of loading chamber (14) is provided with backward flow mouth (29).
2. The equipment for detecting the lubricating oil in the gearbox is characterized in that the cleaning mechanism comprises a cleaning pad (21) and a return spring (20), the cleaning pad (21) is placed on the upper portion of the filter screen (13) in a sliding mode, one end of the cleaning pad (21) is connected with the inner wall of the loading cavity (14) through the return spring (20), the joint of the return spring (20) and the inner wall of the loading cavity (14) is arranged above the highest end of the filter screen (13), and the cleaning pad (21) and the return spring (20) are made of rubber materials.
3. The equipment for detecting the lubricating oil inside the gearbox is characterized in that an alarm switch (12) is connected to the inner wall of the loading cavity (14) above the lowest end of the filter screen (13), an alarm connected to the outside of the alarm switch (12) is electrically connected, the cleaning pad (21) can be in contact with the alarm switch (12), and the alarm gives an alarm signal after the cleaning pad (21) is in contact with the alarm switch (12).
4. The equipment for detecting the lubricating oil in the gearbox according to claim 3, wherein an oil discharge port is formed in the bottom of the speed measuring hopper (15), the oil discharge port is arranged above the highest end of the filter screen (13), a flow velocity sensor is mounted inside the oil discharge port, the bottom of the loading cavity (14) is arranged in a circular arc shape, and the return port (29) is arranged at the lowest end of the circular arc shape.
5. The equipment for detecting the lubricating oil in the gearbox is characterized in that a collecting plate (17) is connected to one end, away from the loading cavity (14), below the inlet port (16), a fixing plate (11) for installation is integrally connected to the upper end and the lower end of the outer wall of the mounting plate (5), wiring seats (4) are further connected to two ends of the mounting plate (5), and a ring of sealing gasket (19) is connected to one end, close to the mounting plate (5), of the outer wall of the plunger (18).
6. The equipment for detecting the lubricating oil in the gearbox according to claim 5, wherein the valve (24) is installed at the inner end of the mounting port (25), a groove (28) is formed above the outer end of the mounting port (25), a push plate (26) is installed inside the groove (28) in a rotating mode, a start-stop switch (27) used for controlling the valve (24) to be opened or closed is installed above the inside of the groove (28), one end, inserted into the mounting port (25), of the push plate (26) is in contact with the start-stop switch (27), and the valve (24) is opened.
7. The equipment for detecting the lubricating oil in the gearbox according to the claim 6, wherein the sampling mechanism comprises a sample detection pipe (10), a sampling pipe seat (3) for installing the sample detection pipe (10) is arranged on the shell (1), and a plugging column (7) is connected above the outer wall of the sample detection pipe (10).
8. The equipment for detecting the lubricating oil in the gearbox according to claim 7, wherein the sample detection pipe (10) is arranged in a hollow penetrating mode, a plugging plate (9) is slidably mounted inside the sample detection pipe (10), a pull rod (8) is connected to the top of the plugging plate (9), and the top of the pull rod (8) extends to the outside of the sample detection pipe (10).
9. The equipment for detecting the lubricating oil inside the gearbox is characterized in that a handle (2) is connected to the top of the sample detection pipe (10), and a handle plate (6) is connected to the top of the pull rod (8) penetrating through the handle (2).
10. A method for testing a device for testing the lubrication oil inside gearboxes according to claim 9, characterized in that it comprises the following steps:
the method comprises the following steps: in the gear lubricating process, part of lubricating oil penetrates through a valve (24) and falls into the upper part of a collecting plate (17) in a splashing mode, the lubricating oil flows into the inside of a speed measuring hopper (15) from the collecting plate (17), then the lubricating oil is discharged outwards from the speed measuring hopper (15) through an oil discharge port at the bottom, and the lubricating oil enters a flow velocity sensor in the oil discharge port to measure the flow velocity when being discharged downwards, so that the downward flowing speed of the lubricating oil is obtained; the flow velocity sensor transmits the measured flow velocity signal to a background preset receiving system, so that a worker can timely know the flow velocity of the lubricating oil in the speed measuring hopper (15), and the quality of the lubricating oil is judged by comparing the measured flow velocity value with a preset flow velocity value;
step two: lubricating oil flowing out of the speed measuring hopper (15) falls into the upper part of the filter screen (13), falls into the bottom end of the interior of the loading cavity (14) after being filtered by the filter screen (13), and finally enters the interior of the shell (1) for continuous use from the circulation ports arranged at the bottoms of the return port (29) and the mounting port (25); the filter screen (13) filters out impurities in the lubricating oil, fine scrap iron is adhered and attracted through magnetic force, the impurities are accumulated on the filter screen (13), the weight of the filter screen (13) is increased, the pressure of the filter screen (13) on the bottom supporting rod (22) is increased, a pressure sensor (23) at the top of the supporting rod (22) measures the pressure value, the weight change of the filter screen (13) is known through the change of the pressure value, so that the weight of the impurities filtered by the filter screen (13) is known, the content of the impurities in the lubricating oil is judged through the weight of the filtered impurities, and the quality of the lubricating oil in the using process is judged;
step three: after the lubricating oil falls into the upper part of the filter screen (13), if the lubricating oil cannot timely pass through the filter screen (13), the lubricating oil pushes the cleaning pad (21) to move downwards on the upper part of the filter screen (13), so that the filtering area of the filter screen (13) is increased, meanwhile, the cleaning pad (21) cleans the upper part of the filter screen (13), and the filter screen (13) cannot be blocked by impurities; after the lubricating oil is filtered, the return spring (20) pulls the cleaning pad (21) to return to the original position;
step four: the gear box in use upwards extracts spy appearance pipe (10), judge the height of the inside lubricating oil of casing (1) through the vestige of the outside lubricating oil of spy appearance pipe (10), thereby learn the oil mass of lubricating oil, and can upwards stimulate handle board (6) during the detection, drive closure plate (9) through pull rod (8) and move in the inside of spy appearance pipe (10), and then inhale the inside of spy appearance pipe (10) with partly lubricating oil, upwards take out spy appearance pipe (10) again, can take out lubricating oil in the same direction as the area, can detect out the lubricating oil quality through the lubricating oil that takes out.
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|---|---|---|---|---|
| US5968371A (en) * | 1998-01-26 | 1999-10-19 | Nelson Industries, Inc. | Lubricant circulation diagnostic and modeling system |
| WO2015045908A1 (en) * | 2013-09-24 | 2015-04-02 | Ntn株式会社 | Gear lubricating oil deterioration detection device and state monitoring system for wind-power device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426884B1 (en) * | 1989-11-06 | 1993-09-08 | Kyodo Oil Technical Research Center Co., Ltd. | Apparatus for detecting deterioration of lubricating oil |
| US20120241258A1 (en) * | 2011-03-23 | 2012-09-27 | Pradip Radhakrishnan Subramaniam | Lubricant supply system and method for controlling gearbox lubrication |
| CN103808911A (en) * | 2013-12-09 | 2014-05-21 | 神华集团有限责任公司 | Lubricating oil detection device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5968371A (en) * | 1998-01-26 | 1999-10-19 | Nelson Industries, Inc. | Lubricant circulation diagnostic and modeling system |
| WO2015045908A1 (en) * | 2013-09-24 | 2015-04-02 | Ntn株式会社 | Gear lubricating oil deterioration detection device and state monitoring system for wind-power device |
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