CN114295366A - System and method for testing lubricating oil quantity and ventilation of transmission - Google Patents
System and method for testing lubricating oil quantity and ventilation of transmission Download PDFInfo
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- CN114295366A CN114295366A CN202111662932.9A CN202111662932A CN114295366A CN 114295366 A CN114295366 A CN 114295366A CN 202111662932 A CN202111662932 A CN 202111662932A CN 114295366 A CN114295366 A CN 114295366A
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- 238000012360 testing method Methods 0.000 title claims abstract description 190
- 230000005540 biological transmission Effects 0.000 title claims abstract description 131
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 125
- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title description 9
- 239000003921 oil Substances 0.000 claims abstract description 209
- 238000005461 lubrication Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 238000010998 test method Methods 0.000 claims abstract description 4
- 230000001050 lubricating effect Effects 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000284 extract Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of transmission lubrication, and discloses a system and a testing method for testing the lubricating oil quantity and ventilation of a transmission. The transmission assembly comprises an oil filling port and an oil discharging port; the filling component comprises a filling device for filling or extracting lubricating oil to the transmission assembly, and the filling device is communicated with the oil filling port and the oil discharge port; the measuring assembly comprises a first sensor for measuring the temperature of lubricating oil and a second sensor for detecting oil leakage of the transmission assembly; the control component is in communication connection with the filling component and the measuring component; the control assembly controls the oiling amount, the oil pumping amount and the test bench action of the oiling device, and the transmission assembly is detachably connected to the test bench. The system for testing the lubricating oil quantity and the ventilation of the transmission has the advantages of high test precision, high test efficiency and high safety; the test method can be used for carrying out continuous multi-working-condition tests and is convenient for processing and analyzing test results.
Description
Technical Field
The invention relates to the technical field of transmission lubrication, in particular to a system and a method for testing the lubricating oil quantity and ventilation of a transmission.
Background
The lubricating oil quantity of the automobile transmission is a crucial factor for the comprehensive performance of the transmission, and the lubricating oil quantity directly influences the shaft tooth lubricating effect, the oil temperature stability, the assembly transmission efficiency, the service life of an internal structure and the like of the transmission. Therefore, it is very important to accurately and efficiently test and evaluate the amount of transmission lubricating oil. The lubricating oil mass test of ordinary derailleur needs to carry out the miscellaneous experiment of multiunit of different oil masses, different operating modes, nevertheless has some problems of inefficiency, low precision in the lubricating oil mass test process of present derailleur: (1) in the lubricating oil quantity test process, oil is required to be added/discharged for multiple times, most of the conventional methods use a measuring cup and a funnel for filling, a small amount of lubricating oil is remained on the funnel and the measuring cup during each filling, and after multiple times of filling, the accuracy of the oil filling quantity is greatly reduced, so that the test result is influenced and the efficiency is low; (2) when detecting whether the vent plug leaks oil, a tester needs to approach the high-speed rotating test bed to observe, and the oil leakage condition cannot be found in time and an alarm cannot be given while the tester is dangerous; (3) the detection and recording of the oil temperature is discontinuous, no overtemperature alarm exists, and each link is independent and discontinuous, so that the subsequent processing and analysis of test results by testers are not facilitated.
Disclosure of Invention
The invention aims to provide a system and a method for testing the lubricating oil quantity and the ventilation of a transmission, wherein the testing system has the advantages of high testing precision, high testing efficiency and high safety; the test method can be used for carrying out continuous multi-working-condition tests and is convenient for processing and analyzing test results.
In order to achieve the purpose, the invention adopts the following technical scheme:
a system for transmission lube oil volume and vent testing, comprising:
a transmission assembly including an oil fill port and an oil drain port;
a filling assembly including a filling device configured to fill or withdraw the transmission assembly with lubricating oil, the filling device communicating the oil fill port and the oil drain port;
a measurement assembly including a first sensor for measuring an oil temperature of the lubricating oil and a second sensor for detecting an oil leakage of the transmission assembly;
a control assembly communicatively coupled to the fill assembly and the measurement assembly, the control assembly configured to control a fill volume and a draw volume of the oil filling device; and
the test bench is in communication connection with the control assembly, the control assembly controls the action of the test bench, and the transmission assembly is detachably connected to the test bench.
As a preferable structure of the present invention, the first sensor is disposed at the oil drain, the transmission assembly further includes a vent plug, the vent plug is capable of communicating an inside of the transmission assembly with an external atmospheric pressure, and the second sensor is fitted on the vent plug.
As a preferred structure of the invention, the control assembly comprises a control module and a data acquisition card which are in communication connection with each other, the control module controls the oil injection device and the test bed, and the data acquisition card receives feedback data of the first sensor and the second sensor.
As a preferable structure of the present invention, the filling assembly further includes a first check valve, and two ends of the first check valve are respectively communicated with the oil filling device and the oil filling port.
As a preferable structure of the present invention, the filling assembly further includes a second check valve, and two ends of the second check valve are respectively communicated with the filling device and the oil discharge port.
As a preferable structure of the present invention, the oil injecting device includes:
the oil cylinder can contain the lubricating oil and is respectively communicated with the oil filling port and the oil discharging port;
the piston is movably connected in the oil cylinder and can reciprocate to draw out or inject the lubricating oil.
As a preferable structure of the present invention, the filling assembly further includes an electric cylinder, the electric cylinder is communicatively connected to the control module, and an output shaft of the electric cylinder is detachably connected to the piston.
A testing method is applied to the system for testing the lubricating oil quantity and the ventilation of the transmission, and comprises the following steps:
when the maximum oil filling amount test is carried out, the control component controls the filling component to fill a first oil amount of lubricating oil into the transmission assembly, the test bench is started to carry out the test, the oil temperature and the oil leakage condition of the lubricating oil of the transmission assembly are detected through the measuring component, and the lubricating oil is gradually filled until the oil temperature of the lubricating oil is over-temperature or oil leakage;
when a minimum oil filling amount test is carried out, the control component controls the filling component to fill a second oil amount of lubricating oil into the transmission assembly, the test bench is started to carry out a test, the lubricating condition of the transmission assembly is detected, and the lubricating oil is gradually pumped out until the lubricating condition does not meet the requirement;
when the ventilation test is carried out, the control component controls the filling component to fill a third oil quantity of lubricating oil into the transmission assembly, the test bench is started to carry out the test, and the oil temperature and the oil leakage condition of the lubricating oil of the transmission assembly are detected through the measuring component.
As a preferred embodiment of the present invention, the performing of the maximum fueling amount test specifically includes the following substeps:
step S11, the control component controls the filling component to fill the transmission assembly with the first oil amount of the lubricating oil;
step S12, the control component starts a test bench to test, a first sensor detects the oil temperature of the lubricating oil, a second sensor detects whether the transmission assembly leaks oil, when the oil temperature of the lubricating oil is not over-temperature and the transmission assembly does not leak oil, the step S13 is executed, otherwise, the step S15 is executed;
step S13, the control component controls the test bench to stop and controls the filling component to fill 5% of standard oil quantity of the lubricating oil into the transmission assembly;
step S14, the control component starts the test bench to test, a first sensor detects the oil temperature of the lubricating oil, a second sensor detects whether the transmission assembly leaks oil, when the oil temperature of the lubricating oil is over-temperature or the transmission assembly leaks oil, the step S15 is executed, otherwise, the step S13 is executed;
step S15, the control component controls the test bench to stop and controls the filling component to extract 2% of standard oil quantity of the lubricating oil from the transmission assembly;
step S16, the control component starts the test bench to test, a first sensor detects the oil temperature of the lubricating oil, a second sensor detects whether the oil leakage of the transmission assembly occurs, when the oil temperature of the lubricating oil is not over-temperature and the oil leakage of the transmission assembly does not occur, the step S17 is executed, otherwise, the step S15 is executed;
and step S17, the control component controls the test bed to stop, and the control component stores data and performs analysis and calculation.
As a preferred embodiment of the present invention, the performing of the minimum fueling amount test specifically includes the following substeps:
step S21, the control component controls the filling component to fill the transmission assembly with the second oil amount of the lubricating oil;
step S22, the control assembly starts a test bench to test, the lubrication condition of the transmission assembly is detected, when the lubrication condition meets the requirement, the step S23 is executed, otherwise, the step S25 is executed;
step S23, the control component controls the test bench to stop and controls the filling component to extract 10% of standard oil quantity of the lubricating oil from the transmission assembly;
step S24, the control assembly starts the test bench to test, the lubricating condition of the transmission assembly is detected, when the lubricating condition does not meet the requirement, the step S25 is executed, otherwise, the step S23 is executed;
step S25, the control component controls the test bench to stop and controls the filling component to fill the lubricating oil with 2% of standard oil quantity from the transmission assembly;
step S26, the control assembly starts the test bench to test, the lubricating condition of the transmission assembly is detected, when the lubricating condition meets the requirement, the step S27 is executed, otherwise, the step S25 is executed;
and step S27, the control component controls the test bed to stop, and the control component stores data and performs analysis and calculation.
The invention has the beneficial effects that:
according to the system for testing the lubricating oil quantity and the ventilation of the transmission, the control component can automatically control and accurately control the oil injection quantity and the oil pumping quantity according to the oil temperature and oil leakage of the lubricating oil measured by the measuring component, a tester does not need to be close to a transmission assembly to observe closely in the test process, the safety is high, and the manpower is saved; the control assembly can receive the measurement data of the measurement assembly, control the action of the test bed in real time, carry on the continuous test, raise test accuracy and test efficiency, and facilitate carrying on the subsequent processing analysis to the test data;
the testing method provided by the invention is applied to the system for testing the lubricating oil quantity and the ventilation of the transmission, the control assembly gradually fills or gradually extracts the lubricating oil according to the oil temperature and the oil leakage condition of the lubricating oil fed back by the measuring assembly, so that the maximum oil filling quantity or the minimum oil filling quantity or the ventilation test is completed, the test result is accurate, the data is continuous and reliable, the labor is saved, and the test efficiency is improved.
Drawings
FIG. 1 is a schematic block diagram of a system for transmission lube oil volume and air venting testing provided by an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged view, partly in section, of portion B of FIG. 1;
FIG. 4 is a functional schematic of a system for transmission lube oil volume and air venting testing provided by an embodiment of the present invention;
FIG. 5 is a schematic flow chart of a maximum fueling test provided by an embodiment of the present invention;
FIG. 6 is a schematic flow chart of a minimum fueling test provided by an embodiment of the present invention.
In the figure:
1. a transmission assembly; 11. an oil filling port; 12. an oil discharge port; 13. a vent plug; 2. a filling assembly; 21. an oiling device; 211. an oil cylinder; 212. a piston; 22. a first check valve; 23. a second check valve; 24. an electric cylinder; 3. a measurement assembly; 31. a first sensor; 32. a second sensor; 4. a control component; 41. a control module; 42. a data acquisition card; 5. a test bench.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-4, the embodiment of the invention provides a system for testing the lubricating oil amount and the ventilation of a transmission, which comprises a transmission assembly 1, a filling component 2, a measuring component 3, a control component 4 and a test bench 5. The transmission assembly 1 comprises an oil filling port 11 and an oil discharging port 12; the filling assembly 2 comprises a filling device 21, the filling device 21 is configured to fill lubricating oil to the transmission assembly 1 or pump out the lubricating oil, the filling device 21 is communicated with the oil filling opening 11 and the oil discharging opening 12, the lubricating oil is filled through the oil filling opening 11, the lubricating oil is pumped out through the oil discharging opening 12, and the oil quantity is easy to control accurately. The measuring component 3 comprises a first sensor 31 and a second sensor 32, the first sensor 31 is used for measuring the oil temperature of the lubricating oil, and the second sensor 32 is used for detecting the oil leakage condition of the transmission assembly 1; in the present embodiment, the first sensor 31 is a temperature sensor, and the temperature sensor can detect the oil temperature of the lubricating oil; the second sensor 32 is a photoelectric sensor which can detect whether oil leaks; the operation principle of the first sensor 31 and the second sensor 32 is the prior art in the field, and the embodiment is not limited herein. The control assembly 4 is communicatively connected to the filling assembly 2 and the measuring assembly 3, the control assembly 4 being configured to control the filling and pumping quantities of the filling device 21, the control assembly 4 receiving the measurement data from the measuring assembly 3 and accurately controlling the oil quantities accordingly. The test bench 5 is in communication connection with the control component 4, the control component 4 controls the action of the test bench 5, and the transmission assembly 1 is detachably connected to the test bench 5. According to the received measurement data of the measurement component 3, the control component 4 can send an alarm command to the test bed 5 to stop the action of the test bed 5 when the conditions of over-temperature or oil leakage of lubricating oil exist, and the safety of the test is improved. The specific structure of the test stand 5 is the prior art in the field, and the detailed description of the embodiment is omitted here.
According to the system for testing the lubricating oil quantity and the ventilation of the transmission, disclosed by the embodiment of the invention, the control component 4 can automatically control and accurately control the oil injection quantity and the oil pumping quantity according to whether the oil temperature of the lubricating oil measured by the measuring component 3 is over-temperature or not and whether the oil leaks or not, a tester does not need to be close to the transmission assembly 1 for close observation in the test process, the safety is high, and the manpower is saved; the control component 4 can receive the measurement data of the measurement component 3, controls the stop or start of the test bench 5 according to the real-time states of the transmission assembly 1 and the lubricating oil, facilitates continuous tests, improves test accuracy and test efficiency, and facilitates subsequent processing and analysis of test data by testers.
Further, the first sensor 31 is disposed at the oil discharge port 12 and placed in the lubricating oil, so that the oil temperature of the lubricating oil in the oil pan can be collected, and the measurement is accurate. The transmission assembly 1 further comprises a vent plug 13, the vent plug 13 being capable of communicating the transmission assembly 1 interior with the external atmospheric pressure. The second sensor 32 is sleeved on the vent plug 13, so as to detect the oil and gas leakage condition of the transmission assembly 1.
Further, the control assembly 4 comprises a control module 41 and a data acquisition card 42 which are in communication connection with each other, the control module 41 controls the oiling device 21 and the test bed 5, the data acquisition card 42 receives feedback data of the first sensor 31 and the second sensor 32 and can transmit the feedback data to the control module 41, so that the control module 41 can control the oiling amount and the pumping amount according to the measurement result of the measurement assembly 3; specifically, the data acquisition card 42 may also receive the motion parameters of the test bed 5, for example, the test bed 5 may transmit the rotation speed signal and the pitch signal of the transmission assembly 1 during the test process to the data acquisition card 42, so that the control module 41 may collect and analyze the data; moreover, the control module 41 can send an instruction to the test bench 5 according to the data of the data acquisition card 42, and set the test condition of the transmission assembly 1, so as to ensure the safety and reliability of the test.
Further, the filling assembly 2 further comprises a first check valve 22 and a second check valve 23, two ends of the first check valve 22 are respectively communicated with the oil filling device 21 and the oil filling port 11, and two ends of the second check valve 23 are respectively communicated with the oil filling device 21 and the oil discharging port 12. The first check valve 22 can prevent the lubricating oil in the transmission assembly 1 from flowing back to the oil injection device 21 through the oil injection port 11, and the second check valve 23 can prevent the lubricating oil in the oil injection device 21 from entering the transmission assembly 1 through the oil discharge port 12.
The embodiment of the invention also provides a testing method, which is applied to the system for testing the lubricating oil quantity and the ventilation of the transmission, and as shown in fig. 5 and 6, the testing method comprises the following steps:
when the maximum oil filling amount test is carried out, the control component 4 controls the filling component 2 to fill the transmission assembly 1 with the first oil amount of lubricating oil, the test bench 5 is started to carry out the test, the oil temperature and the oil leakage condition of the lubricating oil of the transmission assembly 1 are detected through the measuring component 3, and the lubricating oil is gradually filled until the oil temperature of the lubricating oil is over-temperature or oil leakage;
when the minimum oil filling amount test is carried out, the control component 4 controls the filling component 2 to fill a second oil amount of lubricating oil into the transmission assembly 1, the test bench 5 is started to carry out the test, the lubricating condition of the transmission assembly 1 is detected, and the lubricating oil is gradually pumped out until the lubricating condition does not meet the requirement;
when the ventilation test is carried out, the control component 4 controls the filling component 2 to fill a third oil quantity of lubricating oil into the transmission assembly 1, the test bench 5 is started to carry out the test, and the oil temperature and the oil leakage condition of the lubricating oil of the transmission assembly 1 are detected through the measuring component 3.
According to the testing method provided by the embodiment of the invention, the control assembly 4 gradually fills lubricating oil or gradually extracts lubricating oil according to the oil temperature and the oil leakage condition of the lubricating oil fed back by the measuring assembly 3, so that the maximum oil filling amount or the minimum oil filling amount or the ventilation test is completed, the testing result is accurate, the data is continuous and reliable, the manpower is saved, and the testing efficiency is improved.
Further, the maximum fueling amount test specifically comprises the following substeps:
step S11, the control component 4 controls the filling component 2 to fill the transmission assembly 1 with the first oil amount of lubricating oil; in the embodiment of the present invention, the first oil amount is 105% of the standard oil amount, that is, 105% of the volume of the standard oil amount, and the standard oil amount is the amount of the lubricating oil to be added when the transmission assembly 1 normally operates. The standard amounts of oil appearing hereinafter are also equivalent in meaning and are the same values. In other embodiments, other amounts of oil can be selected according to the performance of the transmission assembly 1, and the embodiment is not limited herein.
Step S12, the control component 4 starts the test bench 5 to perform a test, the first sensor 31 detects the oil temperature of the lubricating oil, the second sensor 32 detects whether the oil leakage of the transmission assembly 1 occurs, when the oil temperature of the lubricating oil is not over-temperature and the oil leakage of the transmission assembly 1 does not occur, the step S13 is executed, otherwise, the step S15 is executed;
step S13, the control component 4 controls the test bench 5 to stop, and controls the filling component 2 to fill 5% of standard oil quantity of lubricating oil into the transmission assembly 1; the 5% gauge oil volume may be further tested for maximum fueling based on step S12.
Step S14, the control component 4 starts the test bench 5 to perform a test, the first sensor 31 detects the oil temperature of the lubricating oil, the second sensor 32 detects whether the oil leakage of the transmission assembly 1 occurs, when the oil temperature of the lubricating oil is not over-temperature and the oil leakage of the transmission assembly 1 does not occur, the step S13 is executed, otherwise, the step S15 is executed; in step S14, if the oil temperature of the lubricating oil is not over-heated and the transmission assembly 1 is not leaking oil, it is indicated that the amount of oil injected can be continuously increased, and the test data can be ensured to be accurate and safer by gradually increasing the amount by a small amount.
Step S15, the control component 4 controls the test bench 5 to stop, and controls the filling component 2 to extract 2% of lubricating oil with standard oil quantity from the transmission assembly 1; when the oil temperature of the lubricating oil is over-temperature or the transmission assembly 1 does not leak oil, the oil quantity exceeds the maximum oil filling quantity at present, and the lubricating oil needs to be extracted.
Step S16, the control component 4 starts the test bench 5 to perform a test, the first sensor 31 detects the oil temperature of the lubricating oil, the second sensor 32 detects whether the oil leakage of the transmission assembly 1 occurs, when the oil temperature of the lubricating oil is not over-temperature and the oil leakage of the transmission assembly 1 does not occur, the step S17 is executed, otherwise, the step S15 is executed; the successive small reduction is carried out through the step, and the lubricating oil amount extracted once is smaller than that injected once, so that the finally obtained test result is relatively accurate.
Step S17, the control component 4 controls the test bench 5 to stop, and the control component 4 stores data and performs analysis and calculation; the step also comprises the step of automatically processing and analyzing the oil mass data through the control component 4 to obtain a maximum oil filling volume data curve under each working condition. Furthermore, the steps S11 to S17 are repeated for a plurality of times, and tests of various working conditions can be carried out through different test parameters of the test bench 5.
Further, the minimum fuel filling amount test specifically comprises the following substeps:
step S21, the control component 4 controls the filling component 2 to fill the transmission assembly 1 with the second oil amount of lubricating oil; in the present example, the second fuel amount was 100% of the standard fuel amount, and the minimum fuel amount test was started based on this.
Step S22, the control module 4 starts the test bench 5 to test, the lubrication condition of the transmission assembly 1 is detected, when the lubrication condition meets the requirement, the step S23 is executed, otherwise, the step S25 is executed; in step S22, the lubrication condition is checked by a tester, and the lubrication condition satisfying requirements means that the oil amount and the oil temperature of the lubricating oil satisfy the operating requirements of the transmission assembly 1, and the specific criteria are set according to different transmission assemblies 1 and their operating conditions, which is not limited herein.
Step S23, the control component 4 controls the test bench 5 to stop, and controls the filling component 2 to extract 10% of standard oil quantity of lubricating oil from the transmission assembly 1; continuously exploring the minimum oil filling amount by extracting 10% of standard oil amount;
step S24, the control component 4 starts the test bench 5 to test, detects the lubrication condition of the transmission assembly 1, and when the lubrication condition meets the requirement and the oil amount exceeds the minimum oil adding amount, the step S23 is executed, and the lubricating oil with 10% of standard oil amount is continuously extracted; otherwise, it indicates that the oil amount is smaller than the minimum fuel filling amount, and then step S25 needs to be executed;
step S25, the control component 4 controls the test bench 5 to stop, and controls the filling component 2 to fill 2% of standard oil quantity of lubricating oil from the transmission assembly 1; in this step S25, the selection of the standard amount of oil to be filled at 2% can be made closer to the minimum amount of oil to be filled. The test accuracy is improved.
Step S26, the control module 4 starts the test bench 5 to test, the lubrication condition of the transmission assembly 1 is detected, when the lubrication condition does not meet the requirement, the step S25 is executed, otherwise, when the lubrication condition meets the requirement, the step S27 is executed; and filling 2% of standard oil mass for multiple times until the lubricating condition meets the requirement, wherein the oil mass at the moment is the minimum oil filling amount.
And step S27, the control assembly 4 controls the test bench 5 to stop, and the control assembly 4 stores data and performs analysis and calculation. The step also comprises the step of automatically processing and analyzing the oil mass data through the control component 4 to obtain a maximum oil filling volume data curve under each working condition. Furthermore, the steps S21 to S27 are repeated for a plurality of times, and tests of various working conditions can be carried out through different test parameters of the test bench 5.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A system for transmission lube oil volume and vent testing, comprising:
the transmission assembly (1), the transmission assembly (1) comprises an oil filling opening (11) and an oil discharging opening (12);
a filling assembly (2), the filling assembly (2) comprising a filling device (21), the filling device (21) being configured to fill the transmission assembly (1) with lubricating oil or to withdraw the lubricating oil, the filling device (21) communicating the filling opening (11) and the discharge opening (12);
a measurement assembly (3), the measurement assembly (3) comprising a first sensor (31) and a second sensor (32), the first sensor (31) being for measuring an oil temperature of the lubricating oil, the second sensor (32) being for detecting an oil leakage of the transmission assembly (1);
a control assembly (4), said control assembly (4) communicatively connecting said filling assembly (2) and said measuring assembly (3), said control assembly (4) being configured to control the amount of filling and the amount of pumping of said filling device (21); and
test bench (5), test bench (5) communication is connected control assembly (4), control assembly (4) control the action of test bench (5), derailleur assembly (1) can dismantle connect in test bench (5).
2. The system for transmission lubricating oil quantity and ventilation testing according to claim 1, characterized in that the first sensor (31) is arranged at the oil discharge port (12), the transmission assembly (1) further comprises a ventilation plug (13), the ventilation plug (13) can communicate the inside of the transmission assembly (1) with the external atmospheric pressure, and the second sensor (32) is sleeved on the ventilation plug (13).
3. The system for transmission lube oil mass and air vent testing according to claim 1, wherein said control assembly (4) includes a control module (41) and a data acquisition card (42) communicatively connected to each other, said control module (41) controlling said oil injector (21) and said test stand (5), said data acquisition card (42) receiving feedback data from said first sensor (31) and said second sensor (32).
4. The system for transmission lubrication oil mass and ventilation testing according to claim 1, characterized in that said filling assembly (2) further comprises a first non-return valve (22), said first non-return valve (22) communicating at its two ends said oil filling device (21) and said oil filling opening (11), respectively.
5. The system for transmission lubrication oil mass and ventilation testing according to claim 1, characterized in that said filling assembly (2) further comprises a second non-return valve (23), two ends of said second non-return valve (23) being respectively communicated with said oil filling device (21) and said oil discharge opening (12).
6. System for transmission lube oil quantity and venting test according to claim 3, characterized in that said oil injection means (21) comprise:
the oil cylinder (211) can contain the lubricating oil, and the oil cylinder (211) is respectively communicated with the oil filling port (11) and the oil discharging port (12);
the piston (212) is movably connected in the oil cylinder (211), and the piston (212) can reciprocate to draw out or inject the lubricating oil.
7. The system for transmission lube oil volume and air vent testing according to claim 6, wherein said fill assembly (2) further comprises an electric cylinder (24), said electric cylinder (24) communicatively connected to said control module (41), an output shaft of said electric cylinder (24) removably connected to said piston (212).
8. A test method applied to the system for testing the amount of lubricating oil and the ventilation of a transmission according to any one of claims 1 to 7, characterized by comprising the steps of:
when a maximum oil filling amount test is carried out, the control assembly (4) controls the filling assembly (2) to fill a first oil amount of lubricating oil into the transmission assembly (1), the test bench (5) is started to carry out a test, the oil temperature and oil leakage condition of the lubricating oil of the transmission assembly (1) are detected through the measuring assembly (3), and the lubricating oil is filled step by step until the oil temperature of the lubricating oil is over-temperature or oil leakage;
when a minimum oil filling amount test is carried out, the control component (4) controls the filling component (2) to fill a second oil amount of lubricating oil into the transmission assembly (1), the test bench (5) is started to carry out a test, the lubricating condition of the transmission assembly (1) is detected, and the lubricating oil is gradually pumped out until the lubricating condition does not meet the requirement;
when the ventilation test is carried out, the control component (4) controls the filling component (2) to fill a third oil quantity of lubricating oil into the transmission assembly (1), the test bench (5) is started to carry out the test, and the oil temperature and the oil leakage condition of the lubricating oil of the transmission assembly (1) are detected through the measuring component (3).
9. The testing method according to claim 8, characterized in that said performing of said maximum fuelling test comprises in particular the sub-steps of:
step S11, the control module (4) controlling the filling module (2) to fill the transmission assembly (1) with the first oil amount of the lubricating oil;
step S12, the control assembly (4) starts a test bench (5) to perform a test, a first sensor (31) detects the oil temperature of the lubricating oil, a second sensor (32) detects whether the transmission assembly (1) leaks oil or not, when the oil temperature of the lubricating oil is not over-temperature and the transmission assembly (1) does not leak oil, the step S13 is executed, otherwise, the step S15 is executed;
step S13, the control assembly (4) controls the test bench (5) to stop, and controls the filling assembly (2) to fill 5% of standard oil quantity of lubricating oil into the transmission assembly (1);
step S14, the control assembly (4) starts the test bench (5) to perform a test, a first sensor (31) detects the oil temperature of the lubricating oil, a second sensor (32) detects whether the transmission assembly (1) leaks oil, when the oil temperature of the lubricating oil is over-temperature or the transmission assembly (1) leaks oil, the step S15 is executed, otherwise, the step S13 is executed;
step S15, the control component (4) controls the test bench (5) to stop, and controls the filling component (2) to extract 2% of standard oil quantity of the lubricating oil from the transmission assembly (1);
step S16, the control assembly (4) starts the test bench (5) to perform a test, a first sensor (31) detects the oil temperature of the lubricating oil, a second sensor (32) detects whether the transmission assembly (1) leaks oil or not, and when the oil temperature of the lubricating oil is not over-temperature and the transmission assembly (1) does not leak oil, execution is performed
Step S17, otherwise, step S15 is executed;
and S17, the control assembly (4) controls the test bench (5) to stop, and the control assembly (4) stores data and performs analysis and calculation.
10. The test method according to claim 8, characterized in that said performing of said minimum fueling test comprises in particular the sub-steps of:
step S21, the control module (4) controlling the filling module (2) to fill the transmission assembly (1) with the second amount of the lubricating oil;
step S22, the control module (4) starts a test bench (5) to test, the lubrication condition of the transmission assembly (1) is detected, when the lubrication condition meets the requirement, the step S23 is executed, otherwise, the step S25 is executed;
step S23, the control component (4) controls the test bench (5) to stop, and controls the filling component (2) to extract 10% of standard oil quantity of the lubricating oil from the transmission assembly (1);
step S24, the control component (4) starts the test bench (5) to test, the lubricating condition of the transmission assembly (1) is detected, when the lubricating condition does not meet the requirement, the step S25 is executed, otherwise, the step S23 is executed;
step S25, the control component (4) controls the test bench (5) to stop, and controls the filling component (2) to fill the lubricating oil with 2% of standard oil quantity from the transmission assembly (1);
step S26, the control component (4) starts the test bench (5) to test, the lubricating condition of the transmission assembly (1) is detected, when the lubricating condition meets the requirement, the step S27 is executed, otherwise, the step S25 is executed;
and S27, the control assembly (4) controls the test bench (5) to stop, and the control assembly (4) stores data and performs analysis and calculation.
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| CN202111662932.9A CN114295366A (en) | 2021-12-31 | 2021-12-31 | System and method for testing lubricating oil quantity and ventilation of transmission |
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| CN202111662932.9A CN114295366A (en) | 2021-12-31 | 2021-12-31 | System and method for testing lubricating oil quantity and ventilation of transmission |
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