CN117723189B - Torque testing system and method - Google Patents
Torque testing system and method Download PDFInfo
- Publication number
- CN117723189B CN117723189B CN202311512647.8A CN202311512647A CN117723189B CN 117723189 B CN117723189 B CN 117723189B CN 202311512647 A CN202311512647 A CN 202311512647A CN 117723189 B CN117723189 B CN 117723189B
- Authority
- CN
- China
- Prior art keywords
- torque
- power
- gear
- value
- optimal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000002159 abnormal effect Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000012790 confirmation Methods 0.000 claims description 13
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 5
- 238000013102 re-test Methods 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims description 4
- 238000010998 test method Methods 0.000 abstract 1
- 238000013101 initial test Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a torque test system and a torque test method, which relate to the technical field of torque test and solve the technical problem that whether the change of torque between corresponding transmission parts reaches the standard is not analyzed, in the subsequent torque test process, the torque test is carried out by adopting a mode that gears are unchanged and power is changed, the power is changed and the rotating speed is increased, so that the generated torque is reduced, a group of most stable fluctuation curves are required to be determined, a group of optimal power parameters are selected from the fluctuation curves, difference value processing is carried out from the selected groups of power parameters, the change condition of adjacent difference values is selected, whether the change degree between gears is abnormal or not is judged, if the change degree between the corresponding gears is abnormal, the change torque between the corresponding gears is represented, the change is required to be processed in time, intervention is carried out by operators, and the comprehensiveness of the whole test piece torque test process to be tested is improved.
Description
Technical Field
The invention belongs to the technical field of torque testing, and particularly relates to a torque testing system and a method.
Background
Torque is a special moment for rotating an object; the torque of the engine refers to the torque output by the engine from the crankshaft end; under the condition of fixed power, it has inverse relation with engine rotation speed, the faster the rotation speed, the smaller the torque, and conversely, the larger the torque, it reflects the load capacity of the automobile in a certain range.
The patent publication No. CN115824483A discloses a torsion shaft torque testing system, and belongs to the technical field of torque monitoring. The problem of the gear monitoring system measure the torque accuracy poor that the gear torsion axle receives is solved. The data acquisition instrument and the battery are fixed at the front end of the gear torsion shaft through the clamp, and the strain gauge is attached to the outer surface of the gear torsion shaft to measure torque; the strain gauge is connected with a signal input end of the acquisition instrument through a first lead, and the battery is used for supplying power to the acquisition instrument; the side wall of the front end of the gear torsion shaft is provided with a through hole, the connecting end of the first wire and the strain gauge is attached to the outer surface of the gear torsion shaft, and the first wire penetrates through the through hole and is located at the inner cavity of the gear torsion shaft and is attached to the inner wall of the gear torsion shaft. The invention is suitable for torsion shaft torque test.
In the process of testing the torque of the vehicle, the corresponding transmission parts are required to be driven by the corresponding output shafts, in the process of testing the torque, whether the whole torque of the transmission parts meets the standard is required to be fully tested, but the original testing mode is not comprehensive, whether the change of the torque between the corresponding transmission parts meets the standard is not analyzed, and only whether the torque value meets the standard is simply analyzed, so that the test comprehensiveness is not high.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides a torque testing system and a torque testing method, which are used for solving the technical problem that whether the torque change between corresponding transmission parts reaches the standard is not analyzed.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a torque testing system comprising:
the primary testing end is used for carrying out primary testing treatment on the torque of the test piece to be tested, keeping the power consistent, carrying out gear adjustment, recording the rotating speed and the torque value between the output end and the test piece to be tested, and transmitting the recorded rotating speeds and torque values of different gears into the numerical analysis end;
The numerical analysis end receives the recorded rotational speeds and torque values of different gears and performs numerical comparison analysis, and the specific mode is as follows:
calibrating the rotating speed values of different gears of an output end to be ZS 1-k, calibrating the torque value to be NJ 1-k, wherein k represents different gears, calibrating the rotating speed values of different gears of a test piece to be tested to be ZS 2-k, and calibrating the torque value to be NJ 2-k;
Sequentially confirming gear change rotating speed values and gear change torque values of different gears of an output end, wherein the gear change rotating speed value=zs 1-(k+1)-ZS1-k and the gear change torque value=nj 1-(k+1)-NJ1-k;
And taking the change rotating speed value and the change torque value between the corresponding gears as the standard, judging whether the rotating speed change value and the torque change value generated between the corresponding gears of the test piece to be tested are the same as the standard, if so, executing a second-order test end, and if not, generating corresponding signals as follows:
If the torque variation value is different from the standard, the signal generating end directly generates a transmission abnormal signal with a point and displays the transmission abnormal signal in the external display end; if the rotation speed variation value is different from the standard, a transmission point contact abnormal signal is directly generated through the signal generating end and displayed in the external display end; if the torque variation value and the rotation speed variation value are different from the standard, generating a load abnormality signal, and displaying the load abnormality signal in an external display end;
The second-order testing end adopts a mode that the gear is unchanged and the power is changed, retests the piece to be tested, and transmits power data and torque data generated in the testing process into the parameter confirmation end;
the parameter confirmation end determines a corresponding torque change curve according to the power data and the corresponding torque data, then selects a slow wave curve from the torque change curve, and determines the optimal gear power of the gear from the slow wave curve, wherein the optimal mode is as follows:
According to the torque data corresponding to the corresponding power data, a group of two-dimensional coordinate systems are built by taking the power data as a transverse coordinate axis and the torque data as a vertical coordinate axis, corresponding point positions are selected in the built two-dimensional coordinate systems, and a plurality of groups of point positions are connected to generate a torque change curve of a gear;
confirming each trend turning point in the torque change curve, wherein the slope values of the curves before and after the trend turning point are different, and dividing the torque change curve into a plurality of groups of section lines to be analyzed by taking the trend turning point as a demarcation point;
Determining the internal slope value of each group of section lines to be analyzed, wherein the slope=deltay/deltax, calibrating the determined slope values of a plurality of groups of different section lines to be analyzed as X t, wherein t represents different section lines to be analyzed, performing absolute value processing on a plurality of groups of X t, selecting the minimum value, calibrating the minimum value as X min, and calibrating the corresponding section lines to be analyzed as the optimal stable line;
Extracting corresponding power G and torque parameters J in an optimal stable line, determining a torque ratio NB by NB=J/G, selecting the maximum value from a plurality of torque ratios NB generated in the optimal stable line, calibrating the power value corresponding to the maximum value as optimal gear power, selecting the maximum value from a plurality of groups of values as optimal gear power if the optimal gear power has a plurality of groups, sequentially determining the optimal gear power of other gears, and transmitting the determined optimal gear power of a plurality of groups of different gears to an analysis end of a standard region;
The standard reaching zone analysis end receives the optimal gear power of a plurality of groups of different gears, sequentially confirms the power difference value between each gear, then judges whether the corresponding power difference value belongs to a corresponding preset zone, and locks the non-standard reaching gear zone according to the judging result, wherein the specific mode is as follows:
The optimal gear power of different gears is marked as GNq, wherein q represents different gears, q=1, 2, … … and m, the difference value of the optimal gear power between the gears corresponding to adjacent q values is determined according to the q value sequence, the difference value CZ is the optimal gear power of the next group of gears minus the optimal gear power of the previous group of gears, and therefore a plurality of groups of difference values CZo are determined, wherein o represents the difference value between different gears;
confirm whether the corresponding difference CZo satisfies: CZo E is a preset interval, if yes, no treatment is carried out;
If CZo epsilon is not satisfied in the preset interval, the corresponding mark o is locked, the adjacent gear is determined, an adjacent gear abnormal signal is generated through the signal generating end, and the adjacent gear abnormal signal is displayed for an external person to check, wherein the endpoint values of the preset interval are all preset values.
Preferably, a torque testing method comprises the following steps:
firstly, performing preliminary test treatment on torque of a test piece to be tested, keeping power consistent, performing gear adjustment, recording rotating speed and torque values between an output end and the test piece to be tested, performing numerical comparison analysis, judging whether numerical variation degrees among different gears are consistent, generating a judging signal according to a judging result, and displaying;
step two, aiming at the test piece to be tested with consistent numerical variation degree, retesting the test piece to be tested by adopting a mode of unchanged gear and changing power, and transmitting power data and torque data generated in the testing process into a parameter confirmation end;
Step three, determining a corresponding torque change curve according to the power data and the corresponding torque data, selecting a slow wave curve from the torque change curve, and determining the optimal gear power of the gear from the slow wave curve;
And step four, receiving the optimal gear power of a plurality of groups of different gears, sequentially confirming the power difference value between each gear, then judging whether the corresponding power difference value belongs to a corresponding preset interval, locking the gear area which does not reach the standard according to the judging result, generating a corresponding signal through a signal generating end, and displaying the signal for external personnel to check.
Compared with the prior art, the invention has the beneficial effects that: in the torque test process of the corresponding test piece to be tested, the initial test is firstly carried out to judge the different numerical value change conditions between the output end and different gears of the test piece to be tested, so as to determine whether the working member in the test piece to be tested is normal;
In the subsequent torque test process, a mode that the gear is unchanged and the power is changed is adopted to carry out torque test, the power is changed, the rotating speed is increased, the generated torque is reduced, a group of the most stable fluctuation curves are needed to be determined, a group of optimal power parameters are selected from the fluctuation curves, difference processing is carried out on the selected groups of power parameters, the change condition of adjacent differences is selected, whether the change degree between gears is abnormal or not is judged, if the change degree between gears is abnormal, the change torque between corresponding gears is represented, the change torque between corresponding gears is abnormal, the change torque between corresponding gears is needed to be processed in time, intervention is carried out by operators, and the comprehensiveness of the whole torque test process of the test piece to be tested is improved.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present application provides a torque testing system, which includes a primary testing end, a numerical analysis end, a second-order testing end, a signal generating end, a parameter confirmation end and a standard region analysis end;
The primary test end is electrically connected with the numerical analysis end input node, the numerical analysis end is electrically connected with the second-order test end and the signal generation end input node respectively, the second-order test end is electrically connected with the parameter confirmation end input node, the parameter confirmation end is electrically connected with the standard reaching zone analysis end input node, and the standard reaching zone analysis end is electrically connected with the signal generation end input node;
the primary test end performs primary test treatment on the torque of the test piece to be tested, keeps the power consistent, performs gear adjustment, records the rotation speed and the torque value between the output end and the test piece to be tested, and transmits the recorded rotation speed and torque values of different gears to the numerical analysis end, wherein the test piece to be tested is a driving wheel, the output end is an output piece corresponding to output equipment, such as an output shaft, and when the power is consistent, each component with different gears can generate corresponding rotation speed and torque, the gear adjustment is performed primarily, and a series of parameters generated in the adjustment process are analyzed and confirmed primarily to judge whether the torque test of the test piece to be tested is normal;
The numerical analysis end receives the recorded rotating speeds and torque values of different gears, performs numerical comparison analysis, determines a comparison result between the test piece to be tested and the output end, and then generates a corresponding comparison signal according to the corresponding comparison result by the signal generation end, displays the comparison signal, and executes second-order test end to perform retest processing if the comparison is correct, wherein the specific mode of performing the numerical comparison analysis is as follows:
calibrating the rotating speed values of different gears of an output end to be ZS 1-k, calibrating the torque value to be NJ 1-k, wherein k represents different gears, calibrating the rotating speed values of different gears of a test piece to be tested to be ZS 2-k, and calibrating the torque value to be NJ 2-k;
Sequentially confirming gear change rotating speed values and gear change torque values of different gears of an output end, wherein the gear change rotating speed value=zs 1-(k+1)-ZS1-k and the gear change torque value=nj 1-(k+1)-NJ1-k;
judging whether the rotating speed change value and the torque change value generated between the corresponding gears of the test piece to be tested are the same as the standard or not by taking the change rotating speed value and the change torque value between the corresponding gears as the standard, if so, executing a second-order test end, and if not, executing the next step;
If the torque variation value is different from the standard, the signal generating end directly generates a transmission abnormal signal with a point and displays the transmission abnormal signal in the external display end;
If the rotation speed variation value is different from the standard, a transmission point contact abnormal signal is directly generated through the signal generating end and displayed in the external display end;
if the torque variation value and the rotation speed variation value are different from the standard, a load abnormality signal is generated and displayed in an external display end.
Specifically, in the normal test process, the values of the two drive points are changed, if the change value of the output end is consistent with the output change value of the corresponding drive point, the specific problem corresponding to the inside of the test piece to be tested can be confirmed by analyzing the change between the rotating speed and the torque in the normal change process, the signal display is carried out, the external personnel can check the specific problem, the response measures are timely made, the follow-up secondary test treatment is needed for the condition without any signal problem, the optimal gear power of each gear is determined, and the adjustment of the gear parameters is convenient for the operator subsequently.
The second-order testing end adopts a mode that the gear is unchanged and the power is changed, retests the piece to be tested, transmits power data and torque data generated in the testing process into the parameter confirmation end, specifically monitors the power data and the torque data by corresponding sensors, and can lock torque parameters corresponding to the corresponding power in time so as to facilitate the construction of a subsequent corresponding change curve;
The parameter confirmation end determines a corresponding torque change curve according to the power data and the corresponding torque data, then selects a slow wave curve from the torque change curve, determines the optimal gear power of the gear from the slow wave curve, and then transmits the optimal gear power of each different gear to the standard reaching zone analysis end, wherein the optimal mode for determining the optimal gear power is as follows:
According to the torque data corresponding to the corresponding power data, a group of two-dimensional coordinate systems are built by taking the power data as a transverse coordinate axis and the torque data as a vertical coordinate axis, corresponding point positions are selected in the built two-dimensional coordinate systems, and a plurality of groups of point positions are connected to generate a torque change curve of a gear;
confirming each trend turning point in the torque change curve, wherein the slope values of the curves before and after the trend turning point are different, and dividing the torque change curve into a plurality of groups of section lines to be analyzed by taking the trend turning point as a demarcation point;
Determining the internal slope value of each group of segment lines to be analyzed, wherein the slope=deltay/deltax, calibrating the determined slope values of a plurality of groups of different segment lines to be analyzed as X t, wherein t represents different segment lines to be analyzed, performing absolute value processing on a plurality of groups of X t, selecting the minimum value, calibrating the minimum value as X min, calibrating the corresponding segment line to be analyzed as the optimal stable line, wherein when the slope is the minimum value, the slope represents that the line is the minimum in the whole torque change curve, the change trend is the most stable, wherein the slope is the ratio of the difference value of coordinates corresponding to two points, and the difference value is the parameter of the subsequent coordinate subtracted by the parameter of the previous coordinate;
Extracting corresponding power G and torque parameters J from an optimal stable line, determining a torque ratio NB by NB=J/G, selecting the maximum value from a plurality of torque ratios NB generated in the optimal stable line, calibrating the power value corresponding to the maximum value as optimal gear power, selecting the maximum value from a plurality of groups of values as optimal gear power if the optimal gear power is in a plurality of groups, sequentially determining the optimal gear power of other gears, transmitting the determined optimal gear power of a plurality of groups of different gears to an analysis end of a standard reaching area, and specifically, directly sequentially determining the corresponding torque ratio from the plurality of groups of optimal stable lines if the optimal stable line is in a plurality of groups, and selecting the corresponding torque ratio from the plurality of groups of optimal stable lines by the following determination modes: the higher the power is in the torque change curve of the gear, the faster the rotating speed is, the lower the torque is, so the whole curve is in a descending trend, and the more stable the torque is, the best power generated at the stage is represented, the power can be ensured, the torque can be ensured, the most stable curve is determined, and the best torque ratio is determined from the most stable curve;
the standard reaching zone analysis end receives the optimal gear power of a plurality of groups of different gears, sequentially confirms the power difference value between each gear, then judges whether the corresponding power difference value belongs to a corresponding preset zone, locks the non-standard reaching zone according to the judging result, generates a corresponding signal through the signal generating end, and displays the signal for external personnel to check, wherein the specific mode for judging is as follows:
The optimal gear power of different gears is marked as GNq, wherein q represents different gears, q=1, 2, … … and m, the difference value of the optimal gear power between the gears corresponding to adjacent q values is determined according to the q value sequence, the difference value CZ is the optimal gear power of the next group of gears minus the optimal gear power of the previous group of gears, and therefore a plurality of groups of difference values CZo are determined, wherein o represents the difference value between different gears;
Confirm whether the corresponding difference CZo satisfies: CZo E a preset interval, if yes, not performing any processing, if not, locking a corresponding mark o, determining adjacent gears, generating an adjacent gear abnormal signal through a signal generating end, displaying the adjacent gear abnormal signal for external personnel to check, wherein the endpoint values of the preset interval are all preset values, and an operator draws out corresponding measures in time according to experience in advance, so that the torque test is more comprehensive, not only the torque change condition in the corresponding gears is considered, but also the torque change condition among different gears is considered, and the overall effect of the torque test is better;
Example two
In the specific implementation process, compared with the first embodiment, the specific difference is that the embodiment is mainly aimed at the whole test mode of the torque test process, so that the comprehensiveness of the torque test process is ensured;
A torque testing method comprising the steps of:
firstly, performing preliminary test treatment on torque of a test piece to be tested, keeping power consistent, performing gear adjustment, recording rotating speed and torque values between an output end and the test piece to be tested, performing numerical comparison analysis, judging whether numerical variation degrees among different gears are consistent, generating a judging signal according to a judging result, and displaying;
step two, aiming at the test piece to be tested with consistent numerical variation degree, retesting the test piece to be tested by adopting a mode of unchanged gear and changing power, and transmitting power data and torque data generated in the testing process into a parameter confirmation end;
Step three, determining a corresponding torque change curve according to the power data and the corresponding torque data, selecting a slow wave curve from the torque change curve, and determining the optimal gear power of the gear from the slow wave curve;
Step four, receiving the optimal gear power of a plurality of groups of different gears, sequentially confirming the power difference value between each gear, then judging whether the corresponding power difference value belongs to a corresponding preset interval, locking the gear area which does not reach the standard according to the judging result, generating a corresponding signal through a signal generating end, and displaying the signal for external personnel to check;
specifically, in the torque test process of the corresponding test piece to be tested, the initial test is firstly carried out to judge the different numerical value change conditions between the output end and different gears of the test piece to be tested, so as to determine whether the working member in the test piece to be tested is normal;
In the subsequent torque test process, a mode that the gear is unchanged and the power is changed is adopted to carry out torque test, the power is changed, the rotating speed is increased, the generated torque is reduced, a group of the most stable fluctuation curves are needed to be determined, a group of optimal power parameters are selected from the fluctuation curves, difference processing is carried out on the selected groups of power parameters, the change condition of adjacent differences is selected, whether the change degree between gears is abnormal or not is judged, if the change degree between gears is abnormal, the change torque between corresponding gears is represented, the change torque between corresponding gears is abnormal, the change torque between corresponding gears is needed to be processed in time, intervention is carried out by operators, and the comprehensiveness of the whole torque test process of the test piece to be tested is improved.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (6)
1. A torque testing system, comprising:
the primary testing end is used for carrying out primary testing treatment on the torque of the test piece to be tested, keeping the power consistent, carrying out gear adjustment, recording the rotating speed and the torque value between the output end and the test piece to be tested, and transmitting the recorded rotating speeds and torque values of different gears into the numerical analysis end;
the numerical analysis end receives the recorded rotating speeds and torque values of different gears, performs numerical comparison and analysis, determines a comparison result between the test piece to be tested and the output end, and then generates a corresponding comparison signal according to the corresponding comparison result by the signal generation end, displays the comparison signal, and executes second-order test end to perform retest processing if the comparison is correct;
The second-order testing end adopts a mode that the gear is unchanged and the power is changed, retests the piece to be tested, and transmits power data and torque data generated in the testing process into the parameter confirmation end;
the parameter confirmation end determines a corresponding torque change curve according to the power data and the corresponding torque data, and then selects an optimal stable line from the torque change curve:
According to the torque data corresponding to the corresponding power data, a group of two-dimensional coordinate systems are built by taking the power data as a transverse coordinate axis and the torque data as a vertical coordinate axis, corresponding point positions are selected in the built two-dimensional coordinate systems, and a plurality of groups of point positions are connected to generate a torque change curve of a gear;
confirming each trend turning point in the torque change curve, wherein the slope values of the curves before and after the trend turning point are different, and dividing the torque change curve into a plurality of groups of section lines to be analyzed by taking the trend turning point as a demarcation point;
Determining the internal slope value of each group of section lines to be analyzed, wherein the slope=deltay/deltax, calibrating the determined slope values of a plurality of groups of different section lines to be analyzed as X t, wherein t represents different section lines to be analyzed, performing absolute value processing on a plurality of groups of X t, selecting the minimum value, calibrating the minimum value as X min, and calibrating the corresponding section lines to be analyzed as the optimal stable line;
Determining the optimal gear power of the gear from the optimal stable line, and then transmitting the optimal gear power of each different gear to an analysis end of a standard reaching zone;
And the standard reaching zone analysis end receives the optimal gear power of a plurality of groups of different gears, sequentially confirms the power difference value between each gear, then judges whether the corresponding power difference value belongs to a corresponding preset zone, locks the non-standard reaching gear zone according to the judging result, and generates a corresponding signal through the signal generation end and displays the signal.
2. The torque testing system according to claim 1, wherein the numerical analysis end performs numerical comparison analysis in the following specific ways:
calibrating the rotating speed values of different gears of an output end to be ZS 1-k, calibrating the torque value to be NJ 1-k, wherein k represents different gears, calibrating the rotating speed values of different gears of a test piece to be tested to be ZS 2-k, and calibrating the torque value to be NJ 2-k;
Sequentially confirming gear change rotating speed values and gear change torque values of different gears of an output end, wherein the gear change rotating speed value=zs 1-（k+1）-ZS1-k and the gear change torque value=nj 1-（k+1）-NJ1-k;
And taking the change rotating speed value and the change torque value between the corresponding gears as the standard, judging whether the rotating speed change value and the torque change value generated between the corresponding gears of the test piece to be tested are the same as the standard, if so, executing a second-order test end, and if not, generating corresponding signals as follows:
If the torque variation value is different from the standard, the signal generating end directly generates a transmission abnormal signal with a point and displays the transmission abnormal signal in the external display end; if the rotation speed variation value is different from the standard, a transmission point contact abnormal signal is directly generated through the signal generating end and displayed in the external display end; if the torque variation value and the rotation speed variation value are different from the standard, a load abnormality signal is generated and displayed in an external display end.
3. The torque testing system according to claim 1, wherein the parameter confirmation end determines the best mode of the best gear power as:
And extracting corresponding power G and torque parameters J in the optimal stable line, determining a torque ratio NB by NB=J/G, selecting the maximum value from a plurality of torque ratios NB generated in the optimal stable line, calibrating the power value corresponding to the maximum value as optimal gear power, selecting the maximum value from a plurality of groups of values if the optimal gear power has a plurality of groups, using the maximum value as the optimal gear power, sequentially determining the optimal gear power of other gears, and transmitting the determined optimal gear power of a plurality of groups of different gears to an analysis end of a standard reaching zone.
4. The torque testing system according to claim 1, wherein the specific manner for determining whether the corresponding power difference value belongs to the corresponding preset interval by the standard reaching zone analysis end is as follows:
the optimal gear power of different gears is marked as GNq, wherein q represents different gears, q=1, 2, … … and m, the difference value of the optimal gear power between the gears corresponding to adjacent q values is determined according to the q value sequence, the difference value CZ is the optimal gear power of the next group of gears minus the optimal gear power of the previous group of gears, and therefore a plurality of groups of difference values CZo are determined, wherein o represents the difference value between different gears;
Confirm whether the corresponding difference CZo satisfies: CZo E a preset interval, if yes, no processing is performed.
5. The torque testing system according to claim 4, wherein the specific manner of determining, by the standard reaching zone analysis end, whether the corresponding power difference value belongs to the corresponding preset zone further comprises:
If CZo epsilon is not satisfied in the preset interval, the corresponding mark o is locked, the adjacent gear is determined, an adjacent gear abnormal signal is generated through the signal generating end, and the adjacent gear abnormal signal is displayed for an external person to check, wherein the endpoint values of the preset interval are all preset values.
6. A torque testing method operating based on a torque testing system according to any one of claims 1-5, comprising the steps of:
firstly, performing preliminary test treatment on torque of a test piece to be tested, keeping power consistent, performing gear adjustment, recording rotating speed and torque values between an output end and the test piece to be tested, performing numerical comparison analysis, judging whether numerical variation degrees among different gears are consistent, generating a judging signal according to a judging result, and displaying;
step two, aiming at the test piece to be tested with consistent numerical variation degree, retesting the test piece to be tested by adopting a mode of unchanged gear and changing power, and transmitting power data and torque data generated in the testing process into a parameter confirmation end;
Step three, determining a corresponding torque change curve according to the power data and the corresponding torque data, selecting an optimal stable line from the torque change curve, and determining the optimal gear power of the gear from the optimal stable line;
And step four, receiving the optimal gear power of a plurality of groups of different gears, sequentially confirming the power difference value between each gear, then judging whether the corresponding power difference value belongs to a corresponding preset interval, locking the gear area which does not reach the standard according to the judging result, generating a corresponding signal through a signal generating end, and displaying the signal for external personnel to check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512647.8A CN117723189B (en) | 2023-11-14 | 2023-11-14 | Torque testing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512647.8A CN117723189B (en) | 2023-11-14 | 2023-11-14 | Torque testing system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117723189A CN117723189A (en) | 2024-03-19 |
| CN117723189B true CN117723189B (en) | 2024-07-26 |
Family
ID=90198760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311512647.8A Active CN117723189B (en) | 2023-11-14 | 2023-11-14 | Torque testing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117723189B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118329497A (en) * | 2024-06-14 | 2024-07-12 | 常州市瑞强干燥设备有限公司 | Operation power testing system of direct-coupled transmission flash dryer with efficient power transmission |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284594A (en) * | 2020-10-28 | 2021-01-29 | 北京航空航天大学宁波创新研究院 | Pre-estimated torque precision detection system and method and automobile |
| CN113848006A (en) * | 2021-09-26 | 2021-12-28 | 上汽通用五菱汽车股份有限公司 | Acceleration demand torque MAP calibration method and device and readable storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023365C2 (en) * | 1990-07-23 | 1998-04-02 | Volkswagen Ag | Process for shifting an automatic step change transmission |
| CN101263292A (en) * | 2005-09-08 | 2008-09-10 | 沃尔沃拉斯特瓦格纳公司 | Method and device for controlling engine torque and speed |
| US8549932B1 (en) * | 2012-06-11 | 2013-10-08 | Thru Tubing Solutions, Inc. | Portable torque measurement and notification system and method of using same |
| FR3054626B1 (en) * | 2016-07-27 | 2018-08-17 | Valeo Embrayages | METHOD FOR VERIFYING THE OPERATION OF A CLUTCH DEVICE |
| CN114136610B (en) * | 2021-11-11 | 2023-05-26 | 奇瑞汽车股份有限公司 | Gearbox efficiency testing method based on whole vehicle environment |
-
2023
- 2023-11-14 CN CN202311512647.8A patent/CN117723189B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284594A (en) * | 2020-10-28 | 2021-01-29 | 北京航空航天大学宁波创新研究院 | Pre-estimated torque precision detection system and method and automobile |
| CN113848006A (en) * | 2021-09-26 | 2021-12-28 | 上汽通用五菱汽车股份有限公司 | Acceleration demand torque MAP calibration method and device and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117723189A (en) | 2024-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117723189B (en) | Torque testing system and method | |
| US10281909B2 (en) | Signal measuring/diagnosing system, and method for applying the same to individual devices | |
| CN105081879B (en) | Fault diagnosis and prediction method for numerical control machine tool spindle | |
| US7933742B2 (en) | Abnormality diagnosing method for sound or vibration and abnormality diagnosing apparatus for sound or vibration | |
| CN110614539B (en) | Online real-time monitoring and analyzing method for state of spindle of numerical control machine tool | |
| JP5801559B2 (en) | Diagnostic device for diagnosing trouble of rotating machine and diagnostic method thereof | |
| US7784345B2 (en) | Device and method for combined testing of gears | |
| US7487679B2 (en) | Vehicle vibration analyzer | |
| CN110044610B (en) | Gear fault diagnosis method | |
| CN107132050A (en) | Drive axle transmission efficiency method of testing | |
| CN112326236B (en) | Gear box operation state online monitoring method and system and storage medium | |
| CN205384141U (en) | Engineering machine tool transmission assembly performance detection and analysis test bench | |
| JPH11124099A (en) | Monitoring method for vehicle with acceleration sensor, in particular, power transmission assembly of helicopter | |
| EP3428605A1 (en) | Vehicle drive train test system and vehicle drive train test method | |
| CN117740242A (en) | Dynamic balance test system of power turbine | |
| CN108444842A (en) | A kind of method for building up of material during tensile-torsion combined deformation strength condition | |
| CN115184801B (en) | Mutual feedback test system for coaxial high-speed permanent magnet synchronous motor | |
| CN116026606A (en) | Method and apparatus for detecting compound vibration of a vehicle driveline | |
| CN115266082A (en) | Test device and test method for worm gear pair transmission reliability test | |
| EP3719514A1 (en) | Diagnostic apparatus | |
| KR102103988B1 (en) | Method and apparatus for diagonosis of wheel balance using machine learning | |
| JPH01199132A (en) | Method for extracting error waveform of engagement transmission | |
| CN114571459B (en) | Industrial robot fault diagnosis method and system | |
| CN217304362U (en) | Gear transmission system fault detector based on MCSA | |
| CN110646200B (en) | Method for diagnosing weak local fault of gear of fixed shaft gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |