CN112393602B - Sintering trolley wheel fault detection method, device, equipment and medium - Google Patents
Sintering trolley wheel fault detection method, device, equipment and medium Download PDFInfo
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- CN112393602B CN112393602B CN202010223885.7A CN202010223885A CN112393602B CN 112393602 B CN112393602 B CN 112393602B CN 202010223885 A CN202010223885 A CN 202010223885A CN 112393602 B CN112393602 B CN 112393602B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
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Abstract
The application discloses a method, a device, equipment and a medium for detecting wheel faults of a sintering trolley, which comprise the following steps: acquiring distance data acquired by aiming at any pair of wheels of a sintering trolley in operation; determining a first wheel spacing of a current left wheel and right wheel using the distance data and a device spacing of the first ranging device and the second ranging device; determining whether the pair of wheels has a fault and a corresponding fault type by using the distance data, the first wheel spacing, the second wheel spacing, the first target theoretical spacing and the second target theoretical spacing; the second wheel spacing is a theoretical spacing between the left wheel and the right wheel when the wheels are not in fault, the first target theoretical spacing is a theoretical spacing between the first distance measuring device and the left wheel when the wheels are not in fault, and the second target theoretical spacing is a theoretical spacing between the second distance measuring device and the right wheel when the wheels are not in fault. The wheel fault of the sintering trolley can be detected in time, so that the safety accident is avoided.
Description
Technical Field
The application relates to the technical application field of sintering machines, in particular to a method, a device, equipment and a medium for detecting wheel faults of a sintering trolley.
Background
Sintering production is a pre-process of iron-making production and is an indispensable important link in the whole iron and steel industrial production. The sintering production serves for a blast furnace, and the main task is to agglomerate iron ore powder and provide high-quality artificial rich ore for blast furnace smelting. The basic principle of the sintering process is that useful mineral powder (iron-containing raw materials, flux, fuel and the like) is proportioned according to a certain proportion, proper moisture is added, the mixture is mixed and granulated and then is laid on a sintering machine trolley, after the surface of the sintered material is ignited, the fuel in a material layer is combusted from top to bottom and releases heat under the action of forced air draft of a lower air box, the mixture generates a series of physical and chemical reactions under the action of high temperature, a certain liquid phase is generated, and the liquid phase solidifies mineral powder particles into blocks along with the reduction of the temperature of the material layer.
In the sintering operation, the probability of the wheel failure of the trolley is far higher than that of other parts, and the shutdown of the sintering machine caused by the wheel failure of the trolley accounts for more than half of the shutdown accidents of the sintering machine. Sintering pallet because of the inhomogeneous, the both sides temperature of cloth inconsistent, reasons such as track inequality may lead to the sintering machine off tracking, and sintering machine off tracking can make bearing atress warp the damage to wearing and tearing oil blanket makes the dust pollute lubricating oil, leads to the wheel swing. When the wheel bearing structure is seriously damaged, the inner sleeve of the bearing rotates to cause the abrasion of the shaft surface and the falling of the locking nut, so that the integral falling of the trolley wheel is caused. When the wheels of the trolley fall off, the trolley is possibly clamped in the tipping curved rail, so that a shutdown accident is caused. In order to reduce the effect of sintering machine faults, it is therefore necessary to detect or predict faults that may occur during operation of the pallet as early as possible. However, in the actual production process, because the number of wheels is large, the trolley runs uninterruptedly, and the condition is not obvious before the fault occurs, so that the fault is difficult to predict.
Disclosure of Invention
In view of this, an object of the present invention is to provide a method, an apparatus, a device and a medium for detecting wheel failure of a sintering pallet, which can detect wheel failure of the sintering pallet in time, thereby avoiding occurrence of safety accidents. The specific scheme is as follows:
in a first aspect, the application discloses a method for detecting wheel faults of a sintering trolley, which comprises the following steps:
acquiring distance data acquired by aiming at any pair of wheels of a sintering trolley in operation; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the top half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the bottom half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the top half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the bottom half of the right wheel; the first distance measuring equipment is arranged on the left side of the left wheel, and the second distance measuring equipment is arranged on the right side of the right wheel;
determining a current first wheel spacing of the left side wheel and the right side wheel using the distance data and the device spacing of the first ranging device and the second ranging device;
determining whether the pair of wheels has a fault and a corresponding fault type by using the distance data, the first wheel spacing, the second wheel spacing, the first target theoretical spacing and the second target theoretical spacing;
wherein the second wheel spacing is a theoretical spacing between the left side wheel and the right side wheel when the wheels are not in fault, the first target theoretical spacing is a theoretical spacing between the first distance measuring device and the left side wheel when the wheels are not in fault, the second target theoretical distance is a theoretical distance between the second distance measuring device and the right wheel when the wheels are not in fault.
Optionally, the acquiring distance data collected for any pair of wheels of the sintering pallet in operation includes:
when the pair of wheels reaches a preset wheel detection area, acquiring the distance data acquired aiming at the pair of wheels according to a preset sampling frequency;
and preprocessing the distance data to eliminate abnormal values in the distance data to obtain a preset number of first distances, second distances, third distances and fourth distances.
Optionally, the determining a first wheel spacing between the current left wheel and the current right wheel by using the distance data and the device spacing between the first distance measuring device and the second distance measuring device includes:
determining a first mean distance by using the preset number of the first distances;
determining a second mean distance by using the preset number of second distances;
determining a third mean distance by using the preset number of third distances;
determining a fourth mean distance by using the preset number of the fourth distances;
determining a first wheel spacing of the current left side wheel and the right side wheel using the first mean distance, the second mean distance, the third mean distance, the fourth mean distance, and the device spacing.
Optionally, the determining whether the pair of wheels has the fault and the corresponding fault type by using the distance data, the first wheel interval, the second wheel interval, the first target theoretical interval, and the second target theoretical interval includes:
determining a first target measurement distance between the first distance measuring device and the left wheel by using the first mean distance and the second mean distance;
determining a second target measurement distance between the second distance measuring equipment and the right wheel by using the third mean distance and the fourth mean distance;
comparing the first wheel spacing to the second wheel spacing, the first mean distance to the second mean distance, the third mean distance to the fourth mean distance, the first target measured spacing to the first target theoretical spacing, the second target measured spacing to the second target theoretical spacing;
and determining whether the pair of wheels have faults and the corresponding fault type according to the comparison result.
Optionally, the method for detecting wheel failure of a sintering pallet further includes:
when no wheel appears in a preset wheel detection area, if the information which exceeds the measurement range and is reported by the first distance measuring equipment or the second distance measuring equipment is obtained, marking the value of the distance data corresponding to the information which exceeds the measurement range as 0.
Optionally, the method for detecting wheel failure of a sintering pallet further includes:
and when the wheel is judged to be in fault, generating alarm information according to the corresponding fault type.
Optionally, the method for detecting wheel failure of a sintering pallet further includes:
and numbering the sintering trolleys according to the distance data, and storing the distance data according to the numbers.
In a second aspect, the present application discloses a sintering pallet wheel failure detection device, comprising:
the distance data acquisition module is used for acquiring distance data acquired by aiming at any pair of wheels of the running sintering trolley; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the top half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the bottom half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the top half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the bottom half of the right wheel; the first distance measuring equipment is arranged on the left side of the left wheel, and the second distance measuring equipment is arranged on the right side of the right wheel;
a wheel spacing determination module for determining a first wheel spacing of the current left wheel and the right wheel using the distance data and a device spacing of the first ranging device and the second ranging device;
the fault analysis and determination module is used for determining whether the pair of wheels have faults and corresponding fault types by utilizing the distance data, the first wheel interval, the second wheel interval, the first target theoretical interval and the second target theoretical interval;
the distance measuring device comprises a left wheel, a right wheel, a first distance measuring device, a second distance measuring device, a first target theoretical distance measuring device and a second target theoretical distance measuring device, wherein the second wheel distance is the theoretical distance between the left wheel and the right wheel when the wheels do not break down, the first target theoretical distance is the theoretical distance between the first distance measuring device and the left wheel when the wheels do not break down, and the second target theoretical distance is the theoretical distance between the second distance measuring device and the right wheel when the wheels do not break down.
In a third aspect, the present application discloses a sintering pallet wheel failure detection apparatus comprising a processor and a memory; wherein the content of the first and second substances,
the memory is used for storing a computer program;
the processor is used for executing the computer program to realize the sintering trolley wheel fault detection method.
In a fourth aspect, the present application discloses a computer readable storage medium for storing a computer program, wherein the computer program when executed by a processor implements the aforementioned method for wheel fault detection of a pallet truck.
Therefore, the distance data acquired by aiming at any pair of wheels of the sintering trolley in operation is acquired; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the top half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the bottom half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the top half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the bottom half of the right wheel; the first distance measuring device is mounted on the left side of the left wheel, the second distance measuring device is mounted on the right side of the right wheel, then the distance data and the device distance between the first distance measuring device and the second distance measuring device are used for determining the first wheel distance between the left wheel and the right wheel, and finally the distance data, the first wheel distance, the second wheel distance, the first target theoretical distance and the second target theoretical distance are used for determining whether the pair of wheels has faults or not and the corresponding fault type; wherein the second wheel spacing is a theoretical spacing between the left side wheel and the right side wheel when the wheels are not in fault, the first target theoretical spacing is a theoretical spacing between the first distance measuring device and the left side wheel when the wheels are not in fault, the second target theoretical distance is a theoretical distance between the second distance measuring device and the right wheel when the wheels are not in fault. Therefore, the wheel fault of the sintering trolley can be timely detected by detecting the distance between the two distance measuring devices and the wheel and then determining the wheel fault, so that the safety accident is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of a method for detecting wheel failure in a pallet disclosed herein;
FIG. 2 is a schematic diagram of a distance measurement device disclosed herein;
FIG. 3 is a schematic view of a range finder installation disclosed herein;
FIG. 4 is a flow chart of a particular method of sintering pallet wheel fault detection as disclosed herein;
FIG. 5 is a flow chart of a particular method of sintering pallet wheel fault detection as disclosed herein;
FIG. 6 is a schematic diagram of a distance data collection disclosed herein;
FIG. 7 is a schematic view of a wheel inclination according to the present disclosure;
FIG. 8 is a schematic view of a vehicle wheel shaft disclosed herein;
FIG. 9 is a schematic structural diagram of a wheel failure detection device of a sintering pallet disclosed in the present application;
FIG. 10 is a schematic structural view of a wheel failure detection apparatus of a sintering pallet disclosed in the present application;
fig. 11 is a diagram of a server structure disclosed in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the actual production process, the trolley runs continuously due to the large number of wheels, and the condition is not obvious before the fault occurs, so that the fault prediction is difficult. Therefore, the application provides a wheel fault detection scheme of the sintering trolley, which can detect the wheel fault of the sintering trolley in time, thereby avoiding the occurrence of safety accidents.
Referring to fig. 1, an embodiment of the present application discloses a method for detecting wheel faults of a sintering pallet, including:
step S11: acquiring distance data acquired by aiming at any pair of wheels of a sintering trolley in operation; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the top half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the bottom half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the top half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the bottom half of the right wheel; the first distance measuring equipment is installed on the left side of the left wheel, and the second distance measuring equipment is installed on the right side of the right wheel.
In specific implementation mode, this embodiment can adopt the laser mode to detect the distance change in two regions of wheel side upside and downside simultaneously, promptly, first range unit and second range unit all can install two laser sensor, carry out distance data acquisition to the target position of corresponding wheel upper half and the latter half respectively. See, for example, fig. 2. Fig. 2 is a schematic ranging diagram of a ranging apparatus disclosed in an embodiment of the present application. The present embodiment may include two distance measuring devices, which are oppositely installed on the left and right sides of the trolley, and simultaneously measure wheel distance values at corresponding positions of the same cross section of the trolley, that is, a first target position, a second target position, a third target position, and a fourth target position are on the same cross section, for example, see fig. 3, where fig. 3 is an installation diagram of a distance measuring device disclosed in the embodiment of the present application.
Step S12: determining a current first wheel spacing of the left side wheel and the right side wheel using the distance data and the device spacing of the first ranging device and the second ranging device.
In particular embodiments, the first distance, the second distance, the third distance, the fourth distance, and the device spacing may be used to determine a first wheel spacing for the left wheel and the right wheel.
Step S13: determining whether the pair of wheels has a fault and a corresponding fault type by using the distance data, the first wheel spacing, the second wheel spacing, the first target theoretical spacing and the second target theoretical spacing;
the distance measuring device comprises a left wheel, a right wheel, a first distance measuring device, a second distance measuring device, a first target theoretical distance measuring device and a second target theoretical distance measuring device, wherein the second wheel distance is the theoretical distance between the left wheel and the right wheel when the wheels do not break down, the first target theoretical distance is the theoretical distance between the first distance measuring device and the left wheel when the wheels do not break down, and the second target theoretical distance is the theoretical distance between the second distance measuring device and the right wheel when the wheels do not break down.
In a particular embodiment, a first target measurement range between the first ranging device and the left wheel may be determined using the first distance and the second distance; determining a second target measurement distance between the second distance measuring device and the right wheel by using the third distance and the fourth distance; comparing the first and second wheel spacings, the first and second distances, the third and fourth distances, the first and first target measured spacings and first and second target theoretical spacings; and determining whether the pair of wheels have faults or not and the corresponding fault type according to the comparison result. Such as wheel lean, wheel cross, wheel tracking, wheel looseness, etc.
For example, when the wheel reaches the preset position, a first distance, a second distance, a third distance and a fourth distance are collected, the first wheel interval is determined by using the four collected distance data, and then whether the pair of wheels has a fault or not and the corresponding fault type are determined by using the four distance data, the first wheel interval, the second wheel interval, the first target theoretical interval and the second target theoretical interval.
And when the wheel is judged to be in fault, generating alarm information according to the corresponding fault type.
Referring to fig. 4, fig. 4 is a flowchart of a specific sintering pallet wheel fault detection method disclosed in an embodiment of the present application, and the method includes acquiring distance data acquired by the laser ranging device 1 and the laser ranging device 2 for a pallet wheel, storing the distance data, and performing fault diagnosis and wheel state output by using the distance data.
Therefore, the distance data collected by any pair of wheels of the sintering trolley in operation is obtained in the embodiment of the application; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the upper half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the lower half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the upper half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the lower half of the right wheel; the first distance measuring device is installed on the left side of the left wheel, the second distance measuring device is installed on the right side of the right wheel, then the distance data and the device distance between the first distance measuring device and the second distance measuring device are used for determining the first wheel distance between the left wheel and the right wheel, and finally the distance data, the first wheel distance, the second wheel distance, the first target theoretical distance and the second target theoretical distance are used for determining whether the pair of wheels have faults or not and the corresponding fault type; the distance measuring device comprises a left wheel, a right wheel, a first distance measuring device, a second distance measuring device, a first target theoretical distance measuring device and a second target theoretical distance measuring device, wherein the second wheel distance is the theoretical distance between the left wheel and the right wheel when the wheels do not break down, the first target theoretical distance is the theoretical distance between the first distance measuring device and the left wheel when the wheels do not break down, and the second target theoretical distance is the theoretical distance between the second distance measuring device and the right wheel when the wheels do not break down. Therefore, the wheel fault of the sintering trolley can be detected in time by detecting the distance between the two distance measuring devices and the wheel and then determining the wheel fault, thereby avoiding the occurrence of safety accidents.
Referring to fig. 5, an embodiment of the present application discloses a specific method for detecting wheel faults of a sintering pallet, including:
step S21: acquiring distance data acquired by aiming at any pair of wheels of a sintering trolley in operation; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the upper half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the lower half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the upper half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the lower half of the right wheel; the first distance measuring equipment is installed on the left side of the left wheel, and the second distance measuring equipment is installed on the right side of the right wheel.
In a specific implementation manner, when the pair of wheels reaches the preset wheel detection area, the pair of wheels is acquired according to the preset sampling frequencyThe distance data collected by the wheels. It will be appreciated that the location of the distance measuring device is determined and the path of travel of the wheel through the detection zone is determined, for example, the wheel passes through the predetermined wheel detection zone for a period of time of approximately 1-2 s, and that sampling a point at a controlled sampling frequency of 0.1s will yield 10-20 points. When wheel through predetermineeing the wheel detection area, laser sensor accepts the light that the wheel reflected, measures and obtains sensor to the distance value on wheel surface, and every measuring equipment obtains two sets of distance values, and left side measuring equipment is first distance measuring equipment promptly and obtains: first distance L On the upper part A second distance L Lower part The right measuring device, i.e. the second distance measuring device, gets: third distance R On the upper part A fourth distance R Lower part 。
When the wheel does not pass through the preset wheel detection area, two conditions may exist according to the type selection of the laser sensor: 1) The measured distance value is far larger than the distance value from the normal sensor to the surface of the wheel; 2) Beyond the range of the laser sensor. When no wheel appears in a preset wheel detection area, if the information which exceeds the measurement range and is reported by the first distance measuring equipment or the second distance measuring equipment is obtained, marking the value of the distance data corresponding to the information which exceeds the measurement range as 0. Taking a small-range laser sensor as an example, a wheel never comes within a detection range and then slowly passes through a distance measuring device, a graph of a distance value obtained by the wheel is shown in fig. 6, fig. 6 is a schematic diagram of distance data acquisition disclosed in this embodiment, and a point distance value exceeding the range is marked as 0.
In addition, the embodiment of the application can number the sintering trolley according to the distance data, and store the distance data according to the number. Specifically, the number of trolleys can be set at the initial stage of operation, whether wheels pass through is judged according to the change of distance data collected by the sensor, the number of wheels is counted, and one trolley passes through is judged every time two wheels pass through. The first passing dolly number is set to number 1, and thereafter the number of 1 is added to each passing dolly. After the trolleys are numbered, the distance data are stored according to the corresponding numbers, and historical data of the wheel distances of the trolleys are recorded and can be used for trend analysis and the like.
Step S22: and preprocessing the distance data to eliminate abnormal values in the distance data to obtain a preset number of first distances, second distances, third distances and fourth distances.
When the wheel enters the detection area, the angle of the wheel edge may cause the light beam emitted by the sensor to be unable to be reflected normally, and an abnormal value occurs, where the abnormal value refers to an individual value in the acquired distance data, and the value of the abnormal value obviously deviates from the other observed values of the distance array, so that the acquired distance array needs to be preprocessed to remove the abnormal value. Due to the fact that abnormal points need to be eliminated, certain requirements are required for the number of sampling points, for example, when a wheel passes by, the number of the sampling points is larger than 10, and when the sampling points are 15, four groups of distance data are obtained: l is On the upper part ＝[l 1，1 ,l 1,2 ,l 1,3 ,...,l 1,15 ]、L Lower part ＝[l 2，1 ,l 2,2 ,l 2,3 ,...,l 2,15 ]、R Upper part of ＝[r 1，1 ,r 1,2 ,r 1,3 ,...,r 1,15 ]、R Lower part ＝[r 2，1 ,r 2,2 ,r 2,3 ,...,r 2,15 ]. And (3) obtaining four new groups of distance data through abnormal point elimination:
wherein n is 1 、n 2 、n 3 、n 4 And after the abnormal points are eliminated, the number of the residual sample points in the four groups of distance data is shown.
Step S22: determining a current first wheel spacing of the left side wheel and the right side wheel using the distance data and the device spacing of the first ranging device and the second ranging device.
In a specific embodiment, a first mean distance is determined using the preset number of the first distances; determining a second mean distance by using the preset number of second distances; determining a third mean distance by using the preset number of third distances; determining a fourth mean distance by using the preset number of fourth distances; determining a first wheel spacing of the current left side wheel and the right side wheel using the first mean distance, the second mean distance, the third mean distance, the fourth mean distance, and the device spacing.
That is, the first distances are calculated separately
Second distance
Third distance
A fourth distance
The mean of (d) yields four distance means: first mean distance
Second mean distance
Distance of third mean value
Fourth mean distance
After the first distance measuring equipment and the second distance measuring equipment are installed, the equipment distance between the two distance measuring equipment is obtained S Calculating a first wheel spacing of wheels as
Step S23: determining whether the pair of wheels has a fault and a corresponding fault type by using the distance data, the first wheel spacing, the second wheel spacing, the first target theoretical spacing and the second target theoretical spacing; the distance measuring device comprises a left wheel, a right wheel, a first distance measuring device, a second distance measuring device, a first target theoretical distance measuring device and a second target theoretical distance measuring device, wherein the second wheel distance is the theoretical distance between the left wheel and the right wheel when the wheels do not break down, the first target theoretical distance is the theoretical distance between the first distance measuring device and the left wheel when the wheels do not break down, and the second target theoretical distance is the theoretical distance between the second distance measuring device and the right wheel when the wheels do not break down.
In a specific embodiment, a first target measurement distance between the first distance measuring device and the left wheel is determined by using the first average distance and the second average distance; determining a second target measurement distance between the second distance measuring equipment and the right wheel by using the third mean distance and the fourth mean distance; comparing the first wheel spacing to the second wheel spacing, the first mean distance to the second mean distance, the third mean distance to the fourth mean distance, the first target measured spacing to the first target theoretical spacing, the second target measured spacing to the second target theoretical spacing; and determining whether the pair of wheels have faults or not and the corresponding fault type according to the comparison result.
The wheel distance of the normal newly-loaded trolley is D, namely the distance between the second wheels is D, and the average distance value of the wheels on one side is calculated: first target measurement interval
Second target measurement gap
The distance from the wheel side surface of the left trolley to the corresponding sensor in normal operation, namely the first target theoretical distance is L normal The distance between the wheel side of the right trolley and the corresponding sensor, namely the second target theoretical interval is R normal That is to sayThe first target theoretical pitch and the second target theoretical pitch may be distances to the wheel measured by corresponding sensors on the first ranging device and the second ranging device when the wheel is normal.
The fault judgment process and the fault analysis results are shown in table 1:
TABLE 1
Wherein epsilon max Is a first predetermined threshold value, δ max Is a second preset threshold. That is, the embodiment may determine a first difference between a first wheel interval and a second wheel interval, and determine whether the first difference is greater than a first preset threshold; determining a second difference value between the first mean value distance and the second mean value distance, and judging whether the second difference value is larger than a second preset threshold value; and determining a third difference value of the third mean distance and the fourth mean distance, and judging whether the third difference value is greater than a second preset threshold value, thereby judging the type of the wheel fault.
It should be noted that the common failure of the wheel of the sintering table is the damage of the bearing, and due to the pair of tapered roller bearings adopted by the wheel, when the wheel is partially dropped or the rollers are broken, the failure phenomenon is often expressed as the inclination of the wheel and the axial movement of the wheel, as shown in fig. 7 and 8. Fig. 7 is a schematic diagram of a wheel inclination disclosed in an embodiment of the present application, and fig. 8 is a schematic diagram of a wheel play axle disclosed in an embodiment of the present application.
Referring to fig. 9, a wheel fault detection device for a sintering pallet disclosed in an embodiment of the present application includes:
the distance data acquisition module 11 is used for acquiring distance data acquired by aiming at any pair of wheels of the sintering trolley in operation; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the top half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the bottom half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the top half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the bottom half of the right wheel; the first distance measuring equipment is arranged on the left side of the left wheel, and the second distance measuring equipment is arranged on the right side of the right wheel;
a wheel spacing determination module 12, configured to determine a first wheel spacing between the left wheel and the right wheel using the distance data and the device spacing between the first ranging device and the second ranging device;
a fault analysis and determination module 13, configured to determine whether the pair of wheels has a fault and a corresponding fault type by using the distance data, the first wheel interval, the second wheel interval, the first target theoretical interval, and the second target theoretical interval;
the distance measuring device comprises a left wheel, a right wheel, a first distance measuring device, a second distance measuring device, a first target theoretical distance measuring device and a second target theoretical distance measuring device, wherein the second wheel distance is the theoretical distance between the left wheel and the right wheel when the wheels do not break down, the first target theoretical distance is the theoretical distance between the first distance measuring device and the left wheel when the wheels do not break down, and the second target theoretical distance is the theoretical distance between the second distance measuring device and the right wheel when the wheels do not break down.
Therefore, the distance data acquired by aiming at any pair of wheels of the sintering trolley in operation is acquired in the embodiment of the application; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the upper half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the lower half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the upper half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the lower half of the right wheel; the first distance measuring device is installed on the left side of the left wheel, the second distance measuring device is installed on the right side of the right wheel, then the distance data and the device distance between the first distance measuring device and the second distance measuring device are used for determining the first wheel distance between the left wheel and the right wheel, and finally the distance data, the first wheel distance, the second wheel distance, the first target theoretical distance and the second target theoretical distance are used for determining whether the pair of wheels have faults or not and the corresponding fault type; the distance measuring device comprises a left wheel, a right wheel, a first distance measuring device, a second distance measuring device, a first target theoretical distance measuring device and a second target theoretical distance measuring device, wherein the second wheel distance is the theoretical distance between the left wheel and the right wheel when the wheels do not break down, the first target theoretical distance is the theoretical distance between the first distance measuring device and the left wheel when the wheels do not break down, and the second target theoretical distance is the theoretical distance between the second distance measuring device and the right wheel when the wheels do not break down. Therefore, the wheel fault of the sintering trolley can be timely detected by detecting the distance between the two distance measuring devices and the wheel and then determining the wheel fault, so that the safety accident is avoided.
The distance data obtaining module 11 is specifically configured to obtain the distance data collected for the pair of wheels according to a preset sampling frequency when the pair of wheels reaches a preset wheel detection area.
The sintering trolley wheel fault detection device further comprises a data preprocessing module, wherein the data preprocessing module is used for preprocessing the distance data to eliminate abnormal values in the distance data to obtain a preset number of first distances, second distances, third distances and fourth distances.
The wheel distance determining module 12 is specifically configured to determine a first mean distance by using the preset number of first distances; determining a second mean distance by using the preset number of second distances; determining a third mean distance by using the preset number of third distances; determining a fourth mean distance by using the preset number of fourth distances; determining a first wheel spacing of the current left side wheel and the right side wheel using the first mean distance, the second mean distance, the third mean distance, the fourth mean distance, and the device spacing.
The fault analysis determining module 13 is specifically configured to determine a first target measurement distance between the first distance measuring device and the left wheel by using the first mean distance and the second mean distance; determining a second target measurement distance between the second distance measuring equipment and the right wheel by using the third mean distance and the fourth mean distance; comparing the first wheel spacing with the second wheel spacing, the first mean distance with the second mean distance, the third mean distance with the fourth mean distance, the first target measurement spacing with the first target theoretical spacing, and the second target measurement spacing with the second target theoretical spacing; and determining whether the pair of wheels have faults or not and the corresponding fault type according to the comparison result.
The sintering trolley wheel fault detection device further comprises an out-of-range information processing module, wherein the out-of-range information processing module is used for marking the value of the distance data corresponding to the out-of-range information as 0 if the out-of-range information reported by the first distance measurement equipment or the second distance measurement equipment is obtained when no wheel appears in a preset wheel detection area.
The sintering trolley wheel fault detection device further comprises an alarm information generation module, and the alarm information generation module is used for generating alarm information according to the corresponding fault type when judging that the wheel has a fault.
The sintering trolley wheel fault detection device further comprises a data storage module, wherein the data storage module is used for numbering the sintering trolley according to the distance data and storing the distance data according to the number.
Referring to fig. 10, the embodiment of the present application discloses a wheel fault detection apparatus for a sintering pallet, which includes a processor 21 and a memory 22; wherein, the memory 22 is used for saving computer programs; the processor 21 is configured to execute the computer program to implement the sintering pallet wheel fault detection method disclosed in the foregoing embodiment.
For the specific process of the wheel fault detection method for the sintering pallet, reference may be made to the corresponding contents disclosed in the foregoing embodiments, and details are not repeated herein.
Referring to fig. 11, the present application discloses a server 20 including a processor 21 and a memory 22 disclosed in the foregoing embodiments. For the steps that the processor 21 can specifically execute, reference may be made to corresponding contents disclosed in the foregoing embodiments, and details are not described herein again.
Further, the server 20 in this embodiment may further specifically include a power supply 23, a communication interface 24, an input/output interface 25, and a communication bus 26; the power supply 23 is configured to provide operating voltage for each hardware device on the server 20; the communication interface 24 can create a data transmission channel between the server 20 and an external device, and a communication protocol followed by the communication interface is any communication protocol applicable to the technical solution of the present application, and is not specifically limited herein; the input/output interface 25 is configured to obtain external input data or output data to the outside, and a specific interface type thereof may be selected according to specific application requirements, which is not specifically limited herein.
Further, the present application also discloses a computer-readable storage medium for storing a computer program, wherein the computer program is executed by a processor to implement the wheel fault detection method for a sintering pallet disclosed in the foregoing embodiment.
For the specific process of the wheel fault detection method for the sintering pallet, reference may be made to the corresponding contents disclosed in the foregoing embodiments, and details are not repeated herein.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The method, the device, the equipment and the medium for detecting the wheel fault of the sintering pallet provided by the application are described in detail, specific examples are applied in the description to explain the principle and the implementation mode of the application, and the description of the above embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (8)
1. A method for detecting wheel faults of a sintering trolley is characterized by comprising the following steps:
acquiring distance data acquired by aiming at any pair of wheels of a sintering trolley in operation; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the upper half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the lower half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the upper half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the lower half of the right wheel; the first distance measuring equipment is arranged on the left side of the left wheel, and the second distance measuring equipment is arranged on the right side of the right wheel;
determining a current first wheel spacing of the left side wheel and the right side wheel using the distance data and a device spacing of the first ranging device and the second ranging device;
determining whether the pair of wheels have faults and corresponding fault types by using the distance data, the first wheel spacing, the second wheel spacing, the first target theoretical spacing and the second target theoretical spacing;
the second wheel spacing is a theoretical spacing between the left wheel and the right wheel when the wheels are not in fault, the first target theoretical spacing is a theoretical spacing between the first distance measuring equipment and the left wheel when the wheels are not in fault, and the second target theoretical spacing is a theoretical spacing between the second distance measuring equipment and the right wheel when the wheels are not in fault;
and, said determining a first wheel spacing of the current left side wheel and the right side wheel using the distance data and the device spacing of the first ranging device and the second ranging device comprises: determining a first mean distance by using a preset number of the first distances; determining a second mean distance by using the preset number of second distances; determining a third mean distance by using the preset number of third distances; determining a fourth mean distance by using the preset number of fourth distances; determining a first wheel spacing of the current left wheel and the right wheel using the first mean distance, the second mean distance, the third mean distance, the fourth mean distance, and the device spacing;
the determining whether the pair of wheels have the fault and the corresponding fault type by using the distance data, the first wheel interval, the second wheel interval, the first target theoretical interval and the second target theoretical interval includes: determining a first target measurement distance between the first distance measuring equipment and the left wheel by using the first mean distance and the second mean distance; determining a second target measurement distance between the second distance measuring equipment and the right wheel by using the third mean distance and the fourth mean distance; comparing the first wheel spacing to the second wheel spacing, the first mean distance to the second mean distance, the third mean distance to the fourth mean distance, the first target measured spacing to the first target theoretical spacing, the second target measured spacing to the second target theoretical spacing; determining whether the pair of wheels has faults and the corresponding fault type according to the comparison result;
if the first wheel interval is equal to the second wheel interval, the first mean distance is equal to the second mean distance, the third mean distance is equal to the fourth mean distance, the first target measurement interval is smaller than the first target theoretical interval, and the second target measurement interval is larger than the second target theoretical interval, the trolley deviates to the left side; and if the first wheel interval is equal to the second wheel interval, the first mean distance is equal to the second mean distance, the third mean distance is equal to the fourth mean distance, the first target measurement interval is greater than the first target theoretical interval, and the second target measurement interval is smaller than the second target theoretical interval, the trolley deviates to the right side.
2. The method of claim 1, wherein the obtaining distance data collected for any pair of wheels of a running pallet comprises:
when the pair of wheels reaches a preset wheel detection area, acquiring the distance data acquired aiming at the pair of wheels according to a preset sampling frequency;
and preprocessing the distance data to eliminate abnormal values in the distance data to obtain a preset number of first distances, second distances, third distances and fourth distances.
3. The method of detecting wheel failure of a pallet as claimed in claim 1, further comprising:
when no wheel appears in the preset wheel detection area, if the measuring range exceeding information reported by the first distance measuring equipment or the second distance measuring equipment is obtained, marking the value of the distance data corresponding to the measuring range exceeding information as 0.
4. The method of pallet wheel fault detection of claim 1, further comprising:
and when the wheel is judged to be in fault, generating alarm information according to the corresponding fault type.
5. The pallet wheel failure detection method according to any one of claims 1 to 4, further comprising:
and numbering the sintering trolleys according to the distance data, and storing the distance data according to the numbers.
6. The utility model provides a sintering platform truck wheel fault detection device which characterized in that includes:
the distance data acquisition module is used for acquiring distance data acquired by aiming at any pair of wheels of the running sintering trolley; wherein the distance data comprises a first distance and a second distance between the first ranging device and a left wheel of the pair of wheels, and a third distance and a fourth distance between the second ranging device and a right wheel of the pair of wheels; the first distance is a distance measured by the first ranging device for a first target position in the upper half of the left wheel, the second distance is a distance measured by the first ranging device for a second target position in the lower half of the left wheel, the third distance is a distance measured by the second ranging device for a third target position in the upper half of the right wheel, and the fourth distance is a distance measured by the second ranging device for a fourth target position in the lower half of the right wheel; the first distance measuring equipment is arranged on the left side of the left wheel, and the second distance measuring equipment is arranged on the right side of the right wheel;
a wheel spacing determination module for determining a first wheel spacing of the current left wheel and the right wheel using the distance data and the device spacing of the first ranging device and the second ranging device;
the fault analysis and determination module is used for determining whether the pair of wheels have faults and corresponding fault types by utilizing the distance data, the first wheel interval, the second wheel interval, the first target theoretical interval and the second target theoretical interval;
the second wheel spacing is a theoretical spacing between the left wheel and the right wheel when the wheels do not have faults, the first target theoretical spacing is a theoretical spacing between the first distance measuring equipment and the left wheel when the wheels do not have faults, and the second target theoretical spacing is a theoretical spacing between the second distance measuring equipment and the right wheel when the wheels do not have faults;
the wheel distance determining module is specifically configured to determine a first mean distance by using a preset number of the first distances; determining a second mean distance by using the preset number of second distances; determining a third mean distance by using the preset number of the third distances; determining a fourth mean distance by using the preset number of the fourth distances; determining a first wheel spacing of the current left wheel and the right wheel using the first mean distance, the second mean distance, the third mean distance, the fourth mean distance, and the device spacing;
the fault analysis determining module is specifically configured to determine a first target measurement distance between the first distance measuring device and the left wheel by using the first mean distance and the second mean distance; determining a second target measurement distance between the second distance measuring equipment and the right wheel by using the third mean distance and the fourth mean distance; comparing the first wheel spacing to the second wheel spacing, the first mean distance to the second mean distance, the third mean distance to the fourth mean distance, the first target measured spacing to the first target theoretical spacing, the second target measured spacing to the second target theoretical spacing; determining whether the pair of wheels has faults and the corresponding fault type according to the comparison result;
if the first wheel interval is equal to the second wheel interval, the first mean distance is equal to the second mean distance, the third mean distance is equal to the fourth mean distance, the first target measurement interval is smaller than the first target theoretical interval, and the second target measurement interval is larger than the second target theoretical interval, the trolley is deviated to the left side; and if the first wheel interval is equal to the second wheel interval, the first mean distance is equal to the second mean distance, the third mean distance is equal to the fourth mean distance, the first target measurement interval is larger than the first target theoretical interval, and the second target measurement interval is smaller than the second target theoretical interval, the trolley deviates to the right side.
7. The wheel fault detection equipment of the sintering trolley is characterized by comprising a processor and a memory; wherein the content of the first and second substances,
the memory is used for storing a computer program;
the processor for executing the computer program to implement the method of sintering pallet wheel failure detection of any of claims 1 to 5.
8. A computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the method of sintering pallet wheel failure detection according to any of claims 1 to 5.
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