CN114054542A - Intelligent monitoring and analyzing system and algorithm for hot-rolling drum lubricating oil circuit - Google Patents
Intelligent monitoring and analyzing system and algorithm for hot-rolling drum lubricating oil circuitDownload PDFInfo
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- CN114054542A CN114054542ACN202111312595.0ACN202111312595ACN114054542ACN 114054542 ACN114054542 ACN 114054542ACN 202111312595 ACN202111312595 ACN 202111312595ACN 114054542 ACN114054542 ACN 114054542A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
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Abstract
Description
Technical Field
The invention relates to the field of intelligent monitoring, in particular to an intelligent analysis system for monitoring a lubricating oil circuit of a hot rolling drum.
Background
The hot rolling winding drum is a key device in a hot rolling coiler, has the characteristics of complex internal structure, severe use working condition, difficult disassembly and maintenance, high lubrication requirement, high shutdown and offline cost and the like, particularly has more sliding pairs in the winding drum, and sufficient lubrication is very important for normal operation of the winding drum. At present, more than 40% of winding drum faults are caused by poor internal lubrication, but the way of monitoring whether the winding drum lubrication is normal still is judged through manual point inspection, so that more defects exist, and the method is as follows: firstly, real-time online monitoring cannot be realized, and spot inspection personnel can only carry out inspection on site in downtime; secondly, the inspection process is complex, the consumed time is long, and the requirement on the professional skills of the personnel is high; and thirdly, the overall lubrication condition can only be roughly estimated, the specific lubrication abnormal part in the winding drum cannot be accurately judged, and further, whether the winding drum can be continuously used or not can not be determined according to the judgment, or guidance is provided for online quick maintenance. And fourthly, the inspection result cannot be transmitted to a designated equipment monitoring system, and manual recording is required.
Disclosure of Invention
The invention aims to solve the problem of providing an intelligent monitoring and analyzing system for a lubricating oil circuit of a hot-rolling winding drum, which can realize real-time online monitoring of the working condition of the lubricating oil circuit of the winding drum and intelligent and accurate judgment of the reasons and abnormal parts of the lubricating oil, automatically transmit all monitoring data and analysis results to a monitoring terminal for displaying and storing, and provide reliable basis for use decision and fixed-point quick overhaul of the winding drum after the lubricating oil is abnormal. Meanwhile, the labor intensity and the requirement of professional skills of field point inspection personnel are reduced.
The invention relates to an intelligent monitoring and analyzing system of a lubricating oil circuit of a hot-rolling winding drum, which comprises data acquisition equipment and a data processing system; the data acquisition equipment comprises a displacement sensor, a pressure sensor I, a pressure sensor II, a flow sensor I and a flow sensor II, and the data processing system comprises a data processing transmitting module I, a data processing transmitting module II, a data receiving module, an analysis and calculation module and a monitoring terminal; the device comprises a distributor, a data processing and transmitting module I, a pressure sensor II, a data processing and transmitting module I, a data processing and transmitting module II, a data processing and transmitting module I and a data processing and transmitting module II, wherein the displacement sensor I is installed on the distributor; the data processing and transmitting module II is fastened on the end face of the thin oil rotary joint; the displacement sensor is electrically connected with the data processing and transmitting module I, the pressure sensor II, the flow sensor I and the flow sensor II are electrically connected with the data processing and transmitting module II, the data processing and transmitting module I and the data processing and transmitting module II are communicated with the data receiving module in a wireless communication mode, the data receiving module is connected with the analysis and calculation module, and the analysis and calculation module is connected with the monitoring terminal; the data receiving module, the analysis and calculation module and the monitoring terminal are positioned outside the hot-rolled coil.
Furthermore, a plurality of distributors are serially connected in a lubricating oil circuit of the hot rolling drum through oil pipes, one side of a lower piston of a cylinder body of each distributor is provided with a through threaded hole, the distributor is connected with the distributor through threads, and a guide rod of the distributor is connected with the lower piston of the distributor.
Furthermore, four distributor seats are welded on the end shaft sleeve outside the extension shaft, and the distributor is installed on the distributor seats through screws.
Further, the distributor is a two-wire distributor, and one displacement sensor is mounted on each lower piston in the distributor.
Furthermore, the processing and transmitting module I and the data processing and transmitting module II are respectively composed of a power supply module, a micro control unit and a wireless data transmission unit; the sensor, the micro control unit and the wireless data transmission unit are electrically connected with the power module, the sensor is connected with the micro control unit, and the micro control unit is connected with the wireless data transmission unit.
The algorithm of the intelligent monitoring and analyzing system of the invention is as follows: when the displacement signals of all the displacement sensors are normal, prompting that the working state of a lubricating oil way is normal; when the displacement signals of part of the displacement sensors are normal and the part of the displacement sensors have no displacement signals, prompting that a branch oil path corresponding to the number of the displacement sensors without signals is blocked and automatically matching a specific lubrication abnormal part; thirdly, when all the displacement sensors have no displacement signals, further calculating as follows: when pressure signals of a pressure sensor I and a pressure sensor II are lower than a threshold value and pressure signals of a flow sensor I and a flow sensor II are also lower than the threshold value, prompting that a lubricating grease input system fails; when the pressure signals of the pressure sensor I and the pressure sensor II are lower than a threshold value, one of the flow signals of the flow sensor I and the flow sensor II is normal, and the other flow signal of the flow sensor I and the flow sensor II is higher than the threshold value, indicating that the dry oil rotary joint is internally drained; thirdly, when the pressure signals of the pressure sensor I and the pressure sensor II are lower than a threshold value, one of the flow signals of the flow sensor I and the flow sensor II is normal, and the other flow signal of the flow sensor I and the flow sensor II is lower than the threshold value, the leakage of the main oil way is prompted; fourthly, when any one of the pressure signal of the pressure sensor I and the pressure signal of the pressure sensor II is normal and the other pressure signal is lower than the threshold value, and simultaneously, the flow signals of the flow sensor I and the flow sensor II are both lower than the threshold value, the main oil way is prompted to be blocked; and finally, directly transmitting the prompt information processed by the intelligent monitoring and analyzing system to a monitoring terminal for displaying and storing.
The invention has the advantages that: the method comprises the steps that a data acquisition device and a data processing and transmitting module are arranged at a specific part of a lubricating oil path of a winding drum, real-time parameters of the characteristic part of the lubricating oil path are wirelessly transmitted to an analysis system, the lubricating condition is automatically analyzed and calculated according to an algorithm, the reason of abnormal lubrication and the specific abnormal lubrication part are found out and displayed on a monitoring terminal in real time; after seeing the prompt message from the monitoring terminal, the operator can know the working state of the lubricating oil circuit of the winding drum and know the specific part or the branch oil circuit which has the problem, so that the problem can be immediately treated. Meanwhile, all monitoring data and analysis results are automatically transmitted to the monitoring terminal for displaying and storing, and reliable basis is provided for use decision and fixed-point quick overhaul after lubricating abnormality occurs to the winding drum. In addition, the detection process is simple and convenient, and the labor intensity and the professional skill requirements of field point inspection personnel are reduced.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent analysis system for monitoring a lubricating oil circuit of a hot-rolled winding drum according to the invention;
FIG. 2 is a schematic view of the dispenser in connection with a displacement sensor;
FIG. 3 is a schematic diagram of the components of the data processing and transmitting module;
fig. 4 is a schematic diagram of a displacement sensor monitoring a lubrication circuit.
Detailed Description
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type and number of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Example 1
As can be seen from FIG. 1, the intelligent monitoring and analyzing system for the lubricating oil circuit of the hot-rolling winding drum comprises data acquisition equipment and a data processing system; the data acquisition equipment comprises a displacement sensor 2, a pressure sensor I4, a pressure sensor II 5, a flow sensor I6 and a flow sensor II 7, and the data processing system comprises a data processing and transmitting module I3, a data processing and transmitting module II 8, adata receiving module 9, an analysis and calculation module 10 and a monitoring terminal 11; the displacement sensor 2 is installed on the distributor 1, the data processing and transmitting module I3 is fastened on the extension shaft 12, one end of the flow sensor I6 and one end of the flow sensor II 7 are connected with an oil inlet of the dry oil rotary joint 18, the other end of the flow sensor I6 and the other end of the flow sensor II 7 are connected with an input oil pipe, the pressure sensor I4 and the pressure sensor II 5 are respectively installed in screw holes in the excircle of the dry oil rotary joint 18, and each screw hole is communicated with one oil inlet; the data processing and transmitting module II 8 is fastened on the end face of the thin oilrotary joint 19; the displacement sensor 2 is electrically connected with the data processing and transmitting module I3, the pressure sensor I4, the pressure sensor II 5, the flow sensor I6 and the flow sensor II 7 are electrically connected with the data processing and transmitting module II 8, the data processing and transmitting module I3 and the data processing and transmitting module II 8 are communicated with thedata receiving module 9 in a wireless communication mode, thedata receiving module 9 is connected with the analysis and calculation module 10, and the analysis and calculation module 10 is connected with the monitoring terminal 11; thedata receiving module 9, the analysis and calculation module 10 and the monitoring terminal 11 are positioned outside the hot-rolled coil.
The hot-rolled winding drum lubricating system comprises an extension shaft 12, a speed reducer 13, an expansion oil cylinder 14, a connecting body 15, ahollow shaft 16, amandrel 17, a dry oil rotary joint 18 and a thinoil rotary joint 19, wherein: the extension shaft 12, the main shaft of the speed reducer 13, the expansion oil cylinder 14, the connecting body 15, thehollow shaft 16 and themandrel 17 are all internally provided with oil holes communicated with each other, and the main shaft of the speed reducer 13 and the expansion oil cylinder 14, the expansion oil cylinder 14 and the connecting body 15, the connecting body 15 and thehollow shaft 16, thehollow shaft 16 and the distributor 1, the distributor 1 and themandrel 17, and the distributor 1 and the extension shaft 12 are connected through seals and pipelines to form a smooth lubricating system.
The lubricating oil circuit monitored and analyzed by the intelligent system comprises the following components: the grease is connected from the dry oil rotary joint 18, passes through the main shaft of the reducer 13, is connected with the expansion cylinder 14 through a pipeline and is connected with a through hole in thehollow shaft 16, and is finally transmitted to the distributor 1 at the front part of the winding drum, and is supplied to each lubricating point through each pipeline through the distributor 1, so that the inside of the winding drum has uniform and sufficient oil quantity. Each lubricating point comprises a copper plate groove in the middle of thehollow shaft 16, a copper plate groove on the end surface of thehollow shaft 16, a copper plate groove of the extension shaft 12, a sliding surface of the excircle of themandrel 17, an inclined surface of themandrel 17, a connecting rod groove in the middle of themandrel 17 and the like.
The working principle of the intelligent monitoring and analyzing system is as follows: a displacement sensor 2 is arranged on the distributor 1, and data acquired by the displacement sensor 2 is transmitted to a data processing and transmitting module I3; a flow sensor I6, a flow sensor II 7, a pressure sensor I4 and a pressure sensor II 5 are arranged on the dry oil rotary joint 18, and data acquired by the data acquisition equipment are transmitted to a data processing and transmitting module II 8; and then the data processing and transmitting module I3 and the data processing and transmitting module II 8 transmit the data to thedata receiving module 9, the intelligent analysis system 10 performs algorithm analysis after acquiring the data of thedata receiving module 9, and transmits an analysis result to the monitoring terminal 11 in real time, so that the working state of the lubricating oil way is judged.
Example 2
As can be seen from fig. 1 and 2, the intelligent monitoring and analyzing system for the lubricating oil circuit of the hot-rolling winding drum of the invention comprises: a plurality of distributors 1 are serially connected in a lubricating oil path of a hot rolling drum through oil pipes, a through threaded hole is formed in one side of a lower piston of acylinder 20 of each distributor 1, the distributor 1 is connected with the distributor through threads, and a guide rod of the distributor is connected with alower piston 21 of the distributor 1.
When thelower piston 21 moves, the guide rod of the displacement sensor 2 is driven to move simultaneously, the displacement sensor 2 can monitor the displacement of the lower piston and acquire the displacement data of the lower piston in real time, and the data are provided for the data processing and transmitting module I3.
The hot rolling winding drum is characterized in that four distributor bases are welded on an end shaft sleeve outside an extension shaft, and a distributor 1 is installed on the distributor bases through screws; the invention uses a double-line distributor, each lower piston in the distributor can supply oil for two branch oil paths by reciprocating motion once normally, and each lower piston is provided with a displacement sensor, so that one displacement sensor can supply oil for at most two branch oil paths. The number and the specific type of the double-line distributors are determined according to the number of lubricating points required by the winding drum, and all branch oil paths are monitored by the displacement sensors 2.
Example 3
As can be seen from FIG. 3, the intelligent monitoring and analysis system for the lubricating oil circuit of the hot-rolled winding drum of the invention comprises: the processing and transmitting module I3 and the data processing and transmitting module II 8 are respectively composed of a power supply module, a micro control unit and a wireless data transmission unit; the sensor, the micro control unit and the wireless data transmission unit are electrically connected with the power module, the sensor is connected with the micro control unit, and the micro control unit is connected with the wireless data transmission unit.
The power module supplies power to the micro control unit, the wireless data transmission unit and the sensor, and the sensor transmits the relevant signals to the micro control unit for data processing and then transmits the data through the wireless data transmission unit.
Example 4
The algorithm of the intelligent monitoring and analyzing system for the lubricating oil circuit of the hot-rolling winding drum comprises the following steps: when the displacement signals of all the displacement sensors 2 are normal, prompting that the working state of a lubricating oil way is normal; when the displacement signals of part of the displacement sensors 2 are normal and the part of the displacement sensors 2 have no displacement signals, prompting that branch oil paths corresponding to the numbers of the displacement sensors 2 without signals are blocked and automatically matching specific lubrication abnormal parts; thirdly, when all the displacement sensors 2 have no displacement signal, further calculating as follows: when pressure signals of a pressure sensor I4 and a pressure sensor II 5 are lower than a threshold value and pressure signals of a flow sensor I6 and a flow sensor II 7 are also lower than the threshold value, prompting that a lubricating grease input system is in failure; when the pressure signals of the pressure sensor I4 and the pressure sensor II 5 are lower than a threshold value, any one of the flow signals of the flow sensor I6 and the flow sensor II 7 is normal, and the other flow signal is higher than the threshold value, indicating that the dry oil rotary joint 18 is internally drained; thirdly, when the pressure signals of the pressure sensor I4 and the pressure sensor II 5 are lower than a threshold value, one of the flow signals of the flow sensor I6 and the flow sensor II 7 is normal, and the other flow signal is lower than the threshold value, the leakage of the main oil way is prompted; fourthly, when any one of the pressure signal of the pressure sensor I4 and the pressure signal of the pressure sensor II 5 is normal and the other pressure signal is lower than the threshold value, and simultaneously the flow signals of the flow sensor I6 and the flow sensor II 7 are both lower than the threshold value, the main oil way is prompted to be blocked; and finally, directly transmitting the prompt information processed by the intelligent monitoring and analyzing system to a monitoring terminal for displaying and storing.
FIG. 4 is a schematic diagram of a displacement sensor for monitoring lubrication oil paths, wherein the displacement sensor is provided with four double-line distributors, and the two double-line distributors are provided with 3 lower pistons and can be connected with 6 branch oil paths; the other two double-line distributors are provided with 4 lower pistons and can be connected with 8 branch oil ways, wherein two oil outlets on one distributor are arranged to form one branch oil way, so that the total number of the lower pistons is 14, and the number of the branch oil ways is 27; each lower piston hole is provided with a displacement sensor, and 14 displacement sensors are arranged on the lower piston holes in total, and when the lower piston moves, the guide rod is driven to move simultaneously, and the displacement of the guide rod can be monitored by the movement sensors. Lubrication sites corresponding to numerical numbering in fig. 4: 001-; 009 and 012 hollow shaft end surface copper plate grooves; 013-; 017 + 020 mandrel excircle sliding surface; 021-026 mandrel bevel; 027 mandrel middle connecting rod groove. The number and the type of the double-line distributor and the number of the corresponding branch oil passages and the like can not form the limitation of the invention, and the protection scope of the invention is within the scope as long as the principle of intelligent monitoring and analysis of the invention is applied.
According to the invention, the data acquisition equipment and the data processing and transmitting module are arranged at the specific part of the lubricating oil path of the winding drum, the real-time parameters of the characteristic part of the lubricating oil path are wirelessly transmitted to the analysis system, the lubricating condition is automatically analyzed and calculated according to an algorithm, the lubricating abnormal reason and the specific lubricating abnormal part are found out and displayed on the monitoring terminal in real time; after seeing the prompt message from the monitoring terminal, the operator can know the working state of the lubricating oil circuit of the winding drum and know the specific part or the branch oil circuit which has the problem, so that the problem can be immediately treated.
Therefore, the invention realizes the real-time online monitoring of the working condition of the lubricating oil circuit of the winding drum and the intelligent and accurate judgment of the reasons and abnormal parts of the lubricating oil circuit, automatically transmits all monitoring data and analysis results to the monitoring terminal for displaying and storing, provides reliable basis for the use decision and fixed-point quick overhaul of the winding drum after the lubricating oil circuit of the winding drum is abnormal, and simultaneously reduces the labor intensity of on-site spot inspection personnel and the requirements of professional skills.
Claims (6)
1. Intelligent monitoring analytic system of hot rolling reel lubrication oil circuit, characterized by: the system comprises data acquisition equipment and a data processing system; the data acquisition equipment comprises a displacement sensor (2), a pressure sensor I (4), a pressure sensor II (5), a flow sensor I (6) and a flow sensor II (7), and the data processing system comprises a data processing and transmitting module I (3), a data processing and transmitting module II (8), a data receiving module (9), an analysis and calculation module (10) and a monitoring terminal (11); the displacement sensor (2) is installed on the distributor (1), the data processing and transmitting module I (3) is fastened on the extension shaft (12), one ends of the flow sensor I (6) and the flow sensor II (7) are connected with an oil inlet of the dry oil rotary joint (18), the other ends of the flow sensor I (6) and the flow sensor II (7) are connected with an input oil pipe, the pressure sensor I (4) and the pressure sensor II (5) are installed in screw holes in the excircle of the dry oil rotary joint (18) respectively, and each screw hole is communicated with one oil inlet; the data processing and transmitting module II (8) is fastened on the end face of the thin oil rotary joint (19); the displacement sensor (2) is electrically connected with the data processing and transmitting module I (3), the pressure sensor I (4), the pressure sensor II (5), the flow sensor I (6), the flow sensor II (7) and the data processing and transmitting module II (8) are electrically connected, the data processing and transmitting module I (3) and the data processing and transmitting module II (8) are communicated with the data receiving module (9) in a wireless communication mode, the data receiving module (9) is connected with the analysis and calculation module (10), and the analysis and calculation module (10) is connected with the monitoring terminal (11); the data receiving module (9), the analysis and calculation module (10) and the monitoring terminal (11) are positioned outside the hot-rolled coil.
2. The intelligent monitoring and analysis system of claim 1, wherein: a plurality of distributors (1) are serially connected in a lubricating oil circuit of a hot rolling drum through oil pipes, one side of a lower piston of a cylinder body (20) of each distributor (1) is provided with a through threaded hole, the distributor is connected with the distributor (1) through threads, and a guide rod of the distributor is connected with a lower piston (21) of the distributor (1).
3. The intelligent monitoring and analysis system of claim 1, wherein: four distributor seats are welded on an end shaft sleeve outside the extension shaft, and the distributor (1) is installed on the distributor seats through screws.
4. The intelligent monitoring and analysis system of claim 1, wherein: the distributor (1) is a two-wire distributor, and each lower piston in the distributor is provided with a displacement sensor.
5. The intelligent monitoring and analysis system of claim 1, wherein: the processing and transmitting module I (3) and the data processing and transmitting module II (8) are respectively composed of a power supply module, a micro control unit and a wireless data transmission unit; the sensor, the micro control unit and the wireless data transmission unit are electrically connected with the power module, the sensor is connected with the micro control unit, and the micro control unit is connected with the wireless data transmission unit.
6. The intelligent monitoring and analyzing system of any one of claims 1-5, wherein the algorithm is: when the displacement signals of all the displacement sensors (2) are normal, prompting that the working state of a lubricating oil way is normal; when the displacement signals of the partial displacement sensors (2) are normal and the partial displacement sensors (2) have no displacement signals, the blockage of branch oil paths corresponding to the numbers of the no-signal displacement sensors (2) is prompted, and specific lubrication abnormal parts are automatically matched; thirdly, when all the displacement sensors (2) have no displacement signals, further calculating as follows: when pressure signals of a pressure sensor I (4) and a pressure sensor II (5) are lower than a threshold value and pressure signals of a flow sensor I (6) and a flow sensor II (7) are also lower than the threshold value, prompting that a lubricating grease input system is in fault; secondly, when pressure signals of the pressure sensor I (4) and the pressure sensor II (5) are lower than a threshold value, any one of flow signals of the flow sensor I (6) and the flow sensor II (7) is normal, and the other flow signal is higher than the threshold value, indicating that the dry oil rotary joint (18) is internally drained; thirdly, when the pressure signals of the pressure sensor I (4) and the pressure sensor II (5) are lower than a threshold value, one of the flow signals of the flow sensor I (6) and the flow sensor II (7) is normal, and the other flow signal is lower than the threshold value, the main oil way is prompted to leak; fourthly, when any one of the pressure signal of the pressure sensor I (4) and the pressure signal of the pressure sensor II (5) is normal and the other pressure signal is lower than the threshold value, and the flow signals of the flow sensor I (6) and the flow sensor II (7) are lower than the threshold value, the main oil way is prompted to be blocked; and finally, directly transmitting the prompt information processed by the intelligent monitoring and analyzing system to a monitoring terminal for displaying and storing.
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| CN202111312595.0ACN114054542B (en) | 2021-11-08 | 2021-11-08 | Intelligent monitoring and analyzing system and algorithm for hot rolling drum lubrication oil way |
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| CN202111312595.0ACN114054542B (en) | 2021-11-08 | 2021-11-08 | Intelligent monitoring and analyzing system and algorithm for hot rolling drum lubrication oil way |
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