CN106902969A - A kind of control system of autogenous tumbling mill - Google Patents
A kind of control system of autogenous tumbling mill Download PDFInfo
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- CN106902969A CN106902969A CN201510975988.8A CN201510975988A CN106902969A CN 106902969 A CN106902969 A CN 106902969A CN 201510975988 A CN201510975988 A CN 201510975988A CN 106902969 A CN106902969 A CN 106902969A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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Abstract
The invention discloses a kind of control system of autogenous tumbling mill, speed probe after being installed on the power transmission shaft, the motor is variable-frequency motor, electric machine controller is installed on motor, torductor is installed on motor output shaft, Weight-measuring device is installed in the first support and second support, the sliding bearing body is provided with temperature sensor, the speed probe, torductor, Weight-measuring device and temperature sensor are connected with MCU respectively, and MCU is connected with display, alarm and memory.Technical purpose of the invention be provide it is a kind of can whether automatic decision charging suitable, adjust automatically charging speed, the phenomenon that can avoid " rise tripe " occur, with monitoring device, with alarm and self-protection function ultra-fine autogenous tumbling mill control system.
Description
Technical field
The present invention relates to autogenous tumbling mill field, particularly a kind of control system of autogenous tumbling mill.
Background technology
Autogenous tumbling mill is also known as run-of-mine-milling machine, its operation principle is essentially identical with ball mill, the difference is that its barrel diameter is bigger, without ball or any other powder grinding medium, but by the use of pulverized material in cylinder in itself as medium, successive Ground shock waves and phase attrition shell to reach the purpose of grinding in cylinder.
The control system of autogenous tumbling mill has the influence of key to the operating efficiency of autogenous tumbling mill with reliability, the control system of existing autogenous tumbling mill automatically controls less efficient, in charging, whether the speed for needing artificial judgment to feed is suitable, the bad phenomenon for being susceptible to " rise tripe " of control, when " rise tripe " occurs, it is impossible to enough automatic, adjustment charging in time speed；The safety monitoring assembly of existing most of autogenous tumbling mill is less, and function is not perfect enough, does not possess warning function and self-protection function.
The content of the invention
For the deficiency that above-mentioned autogenous tumbling mill control system is present, technical purpose of the invention be provide it is a kind of can whether automatic decision charging suitable, adjust automatically charging speed, the phenomenon that can avoid " rise tripe " occur, with monitoring device, with alarm and self-protection function ultra-fine autogenous tumbling mill control system.
The present invention is achieved through the following technical solutions：
A kind of control system of autogenous tumbling mill, including：Cylinder, first end cap, second end cap, first end cap, second end cap is separately mounted to the two ends of cylinder, the first end is covered and is provided with feeding cylinder, second end cap is fixedly connected with one end of power transmission shaft, feeding cylinder is separately mounted in first support and second support with power transmission shaft, the other end of power transmission shaft is connected with the power output shaft of decelerator, the power input shaft and motor connection of the decelerator, liner plate and guide plate are installed in the cylinder, cylinder is provided with annular discharging opening, cylinder is provided with annular discharging opening at the second end cap, the annular discharging opening carries circular screen；Described feeding cylinder one end carries horn mouth, the other end is provided with mounting ring, the inside of feeding cylinder is provided with guide vane, the mounting ring of feeding cylinder is fixedly mounted by bolt and the first end cap, sliding bearing is installed between feeding cylinder and first support, the entrance of feeding cylinder is provided with charger, and controller is provided with charger；One end of the power transmission shaft is provided with mounting ring, and the other end is provided with shaft coupling, and the mounting ring of power transmission shaft is fixedly mounted by bolt and the second end cap, and sliding bearing is provided between power transmission shaft and second support；The power input shaft of the decelerator is connected with the power output shaft of motor by shaft coupling, and the shaft coupling is pin coupler；The liner plate is mounted by means of bolts in cylinder, and the inner surface of liner plate is provided with convex ball；The guide plate is the steel bar of distortion, and guide plate is arranged on cylinder by bolt；The discharging opening is provided close on the cylinder of the second end cap, screen cloth of the discharging opening with annular；
Speed probe after being installed on the power transmission shaft, the motor is variable-frequency motor, electric machine controller is installed on motor, torductor is installed on motor output shaft, Weight-measuring device is installed in the first support and second support, the sliding bearing body is provided with temperature sensor, and the speed probe, torductor, Weight-measuring device and temperature sensor are connected with MCU respectively, and MCU is connected with display, alarm and memory.
Further, the tach signal n that speed probe on the power transmission shaft will measure power transmission shaft is transmitted to MCU in real time, the MCU is judged after receiving tach signal n, if n ＞ n1 or n ＜ n2, the n1, n2 is respectively the maximum of autogenous tumbling mill, minimum speed, then MCU sends deceleration/speedup order to electric machine controller, after electric machine controller receives deceleration/speedup order, decelerating through motor/speedup, so that n2 ＜ n ＜ n1, if n ＞ n1 or n ＜ n2, then MCU sends alarm command to alarm, the alarm sends alarm after receiving alarm command；The torque signal T that torductor will be measured in real time is transmitted to MCU in real time; after the MCU receives torque signal T; if T ＞ T1; the T1 is the peak torque of autogenous tumbling mill; then MCU sends the order of shutdown to the controller of motor; alert command is sent to alarm, controlled motor is shut down after electric machine controller receives halt command, alarm sends alarm after receiving alarm life；The temperature signal t that the temperature sensor that the sliding bearing body is provided with will be measured is transmitted to MCU; after the MCU receives temperature signal t; if t ＞ t1; the t1 is the maximum temperature of sliding bearing normal work; then MCU sends alarm command to alarm; the order of shutdown is sent to the controller of motor, controlled motor is shut down after electric machine controller receives halt command, alarm sends alarm after receiving alarm life；
The weight signal m that the Weight-measuring device will measure autogenous tumbling mill is real-time transmitted to MCU,After the MCU receives weight signal m,If m ＞ m1,The m1 is weight when machine drum body is built with most materials when autogenous tumbling mill is in high efficient district,Then MCU sends the command signal for reducing inlet amount to charging machine controller,After the charging machine controller receives the command signal for reducing inlet amount,The inlet amount of charger is controlled to reduce,If m ＜ m2,The m2 is weight when machine drum body is built with minimum material when autogenous tumbling mill is in high efficient district,Then MCU sends the command signal for increasing inlet amount to charging machine controller,After the charging machine controller receives the command signal for increasing inlet amount,Controlling the inlet amount of charger increases,Reduce in charger/increase inlet amount after,As m2 ＜ m ＜ m1,Then material is in normal amount in autogenous tumbling mill,Now,MCU sends the inlet amount of reduction 10~30% to charging machine controller,Then it is maintained at this inlet amount;Data-signal that the MCU will be received and the signal command for sending all send the signal command of storage, display to memory and display respectively, memory receives the data-signal for receiving MCU and the signal command for sending after storage is ordered and stores, and display shows in the display each data after receiving display command in real time.
The beneficial effects of the invention are as follows:
1, by being provided with annular discharging opening on cylinder, covered in first end and feeding cylinder is installed, power transmission shaft is installed on the second end cap, power transmission shaft is driven by being connected with the motor of decelerator, so that the driving force of autogenous tumbling mill is not by the gear on outer barrel, but directly driven by power transmission shaft, so that the cylinder weight saving of autogenous tumbling mill, take up room smaller, transmission system all closes dust-tight, directly driven by shaft coupling, so that the transmission of autogenous tumbling mill is in hgher efficiency, cost is lower, the gear being driven through on outer barrel of the autogenous tumbling mill of transmission, gear can form a pressurization to cylinder, so that the power that the bearing of autogenous tumbling mill bears is bigger, this structure also causes that the power that bearing bears reduces；
2nd, by being provided with guide plate and liner plate in cylinder, it is located on cylinder by by annular discharging opening, material is discharged from the bottom of cylinder, enable that material thinks that annular discharging opening is moved by guide plate, finally discharge, discharged from end cap compared to traditional annular discharging opening, this arrangement reduces influence of the ore pulp buoyancy to material impact force in cylinder, so that storeroom forms stressor layer, so that material is broken more preferable, also more energy efficient, house has to obtain convex ball on liner plate, the extruding of storeroom can be increased so that crushing effect is more preferable；
3rd, by being provided with guide vane in feeding cylinder so that when being fed to feeding cylinder, material can quickly enter, smoothly enter in cylinder, it is to avoid material is blocked in feeding cylinder；
4th, by being provided with the devices such as MCU, speed probe, torductor, Weight-measuring device and temperature sensor; make it possible to the equipment such as the bearing to autogenous tumbling mill, motor, decelerator to protect; when bearing temperature is raised; motor is enabled to close; avoid bearing from being damaged because temperature is too high, cause extreme loss；The peak torque of rotation system is controlled by torductor, it is to avoid the equipment such as motor is damaged because stress is excessive；By the maximum (top) speed for controlling power transmission shaft, it is to avoid autogenous tumbling mill is damaged because rotating speed is excessive；By gravity measuring device, the charging rate of autogenous tumbling mill is automatically controlled, it is to avoid the phenomenon of " rise tripe " so that autogenous tumbling mill normally runs, if autogenous tumbling mill is for non-setting operation, alarm sends alarm, plays a part of alarm；By showing the working condition of autogenous tumbling mill in real time in the display, the supervisory function bit to autogenous tumbling mill can be played.
Brief description of the drawings
Fig. 1 is control schematic diagram of the invention；
Fig. 2 is structural representation of the invention.
Marked in figure：1 it is first support, 2 be second support, 3 be power transmission shaft, 4 be cylinder, 5 be liner plate, 6 be guide plate, 7 be feeding cylinder, 8 be charger, 9 be the first end cap, 10 be the second end cap, 11 be shaft coupling, 12 be decelerator, 13 be motor, 14 be annular discharging opening, 15 is guide vane.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
A kind of autogenous tumbling mill as shown in Figure 1, including：First support 1,Second support 2,Power transmission shaft 3,Cylinder 4,Liner plate 5,Guide plate 6,Feeding cylinder 7,Charger 8,First end cap 9,Second end cap 10,Shaft coupling 11,Decelerator 12,Motor 13,Annular discharging opening 14 and guide vane 15,First end cap 9,Second end cap 10 is separately mounted to the two ends of cylinder 4,Feeding cylinder 7 is installed on first end cap 9,Second end cap 10 is fixedly connected with one end of power transmission shaft 3,Feeding cylinder 7 is separately mounted in first support 1 and second support 2 with power transmission shaft 3,The other end of power transmission shaft 3 is connected with the power output shaft of decelerator 12,The power input shaft of the decelerator 12 is connected with motor 13,Liner plate 5 and guide plate 6 are installed in the cylinder 4,Cylinder 4 is provided with annular discharging opening 14 at the second end cap 10,The annular discharging opening 14 carries circular screen；
Wherein, first end cap 9, second end cap 10 can be arranged on the two ends of cylinder 4 by bolt, feeding cylinder 7 is installed by the first end cap 9, second end cap 10 is fixedly connected with one end of power transmission shaft 3, annular discharging opening 14 is provided with cylinder 4, so that material feeds from the central axis of cylinder 4, from the bottom discharging of cylinder, enable that autogenous tumbling mill fully grinds to mineral, and will not be influenceed by ore pulp buoyancy, by liner plate 5 and guide plate 6, enable that material smoothly enters from feeding cylinder, discharging opening 14 is discharged, guide plate 6 can also be caused when cylinder 4 is rotated, by mineral zone to being higher by, leave again, so that ore clashes into mutually；Power transmission shaft 3 had both made the support shaft of cylinder 4, it is also line shaft, the power set of decelerator 12 and motor 13 are connected with power transmission shaft 4, so that the weight saving of cylinder 4 of autogenous tumbling mill, take up room smaller, transmission system all closes dust-tight, directly driven by shaft coupling 11, so that the transmission of autogenous tumbling mill is in hgher efficiency, cost is lower, the gear being driven through on outer barrel 4 of the autogenous tumbling mill of transmission, and gear can form a pressurization to cylinder, so that the power that the bearing of autogenous tumbling mill bears is bigger, this structure also causes that the power that bearing bears reduces.
The one end of the feeding cylinder 7 carries horn mouth, the other end is provided with mounting ring, the inside of feeding cylinder 7 is provided with guide vane 15, the mounting ring of feeding cylinder 7 is fixedly mounted by bolt with the first end cap 9, sliding bearing is installed between feeding cylinder 7 and first support 1, the entrance of feeding cylinder 7 is provided with charger 8, and controller is provided with charger 8；
Wherein, it is provided with guide vane 15 by feeding cylinder 7 so that when being fed to feeding cylinder, material can quickly enter, smoothly enter in cylinder, it is to avoid material is blocked in feeding cylinder, guide vane 15 is to be welded in feeding cylinder 7.
One end of the power transmission shaft 3 is provided with mounting ring, and the other end is provided with shaft coupling 11, and the mounting ring of power transmission shaft 3 is fixedly mounted by bolt with the second end cap 10, and sliding bearing is provided between power transmission shaft 3 and second support 2；
Wherein, mounting ring is installed by one end of power transmission shaft 3, the other end is provided with shaft coupling 11 so that power transmission shaft is convenient to be connected with the power output shaft of the second end cap and decelerator 12, and the lubricating system of the sliding bearing being provided between power transmission shaft 3 and second support 2 is pressure oil lubrication.
The power input shaft of the decelerator 12 is connected with the power output shaft of motor 13 by shaft coupling 11, and the shaft coupling 11 is elastic dowel pin shaft coupling；
Wherein, the shaft coupling of elastic dowel pin shaft coupling can use cast steel, and this elastic dowel pin shaft coupling is cheap, cost is relatively low, simple structure, transmission efficiency, need not safeguard substantially.
The liner plate 5 is mounted by means of bolts in cylinder 4, and the inner surface of liner plate 5 is provided with convex ball.
Wherein, be provided with convex ball by the inner surface of liner plate 5 so that ore can bump against in autogenous tumbling mill with convex ball, can be ejected to all directions after shock so that ore to grind effect more preferable.
The guide plate 6 is the steel bar of distortion, and guide plate 6 is arranged on cylinder 4 by bolt.
Wherein so that when being fed to feeding cylinder 7, material can quickly enter, smoothly enter in cylinder 4, it is to avoid material 7 blocking in feeding cylinder.
Speed probe after being installed on the power transmission shaft 3, the motor 13 is variable-frequency motor, electric machine controller is installed on motor 13, torductor is installed on the output shaft of motor 13, Weight-measuring device is installed in the first support 1 and second support 2, the sliding bearing body is provided with temperature sensor, and the speed probe, torductor, Weight-measuring device and temperature sensor are connected with MCU respectively, and MCU is connected with display, alarm and memory；
Wherein, the electric machine controller being provided with enables to MCU to be controlled motor 13, torductor is installed on the power output shaft of motor 13, motor 13 is prevented to be burned out in overload, the temperature sensor being provided with sliding bearing body can measure the operating temperature of bearing, prevent sliding bearing temperature too high, and destroy bearing arrangement or cause the drive mechanism of autogenous tumbling mill to malfunction, the Weight-measuring device of installation can coordinate with the controller of MCU and charger 8 and charger 8, autogenous tumbling mill is avoided to rise tripe, the delivery rate of adjust automatically material, so that autogenous tumbling mill is in real time all in high-efficiency operation state.
The tach signal n that speed probe on the power transmission shaft 3 will measure power transmission shaft 3 is transmitted to MCU in real time, the MCU is judged after receiving tach signal n, if n ＞ n1 or n ＜ n2, the n1, n2 is respectively the maximum of autogenous tumbling mill, minimum speed, then MCU sends deceleration/speedup order to electric machine controller, after electric machine controller receives deceleration/speedup order, decelerating through motor/speedup, so that n2 ＜ n ＜ n1, if n ＞ n1 or n ＜ n2, then MCU sends alarm command to alarm, the alarm sends alarm after receiving alarm command；The torque signal T that torductor will be measured in real time is transmitted to MCU in real time; after the MCU receives torque signal T; if T ＞ T1; the T1 is the peak torque of autogenous tumbling mill; then MCU sends the order of shutdown to the controller of motor; alert command is sent to alarm, controlled motor is shut down after electric machine controller receives halt command, alarm sends alarm after receiving alarm life；The temperature signal t that the temperature sensor that the sliding bearing body is provided with will be measured is transmitted to MCU; after the MCU receives temperature signal t; if t ＞ t1; the t1 is the maximum temperature of sliding bearing normal work; then MCU sends alarm command to alarm; the order of shutdown is sent to the controller of motor, controlled motor is shut down after electric machine controller receives halt command, alarm sends alarm after receiving alarm life；
The weight signal m that the Weight-measuring device will measure autogenous tumbling mill is real-time transmitted to MCU,After the MCU receives weight signal m,If m ＞ m1,The m1 is weight when machine drum body 4 is built with most materials when autogenous tumbling mill is in high efficient district,Then MCU sends the command signal for reducing inlet amount to the controller of charger 8,After the controller of the charger 8 receives the command signal for reducing inlet amount,The inlet amount of charger 8 is controlled to reduce,If m ＜ m2,The m2 is weight when machine drum body 4 is built with minimum material when autogenous tumbling mill is in high efficient district,Then MCU sends to the controller of charger 8 increases the command signal of inlet amount,After the controller of the charger 8 receives the command signal for increasing inlet amount,Controlling the inlet amount of charger 8 increases,Reduce in charger 8/increase inlet amount after,As m2 ＜ m ＜ m1,Then material is in normal amount in autogenous tumbling mill,Now,MCU sends the inlet amount for reducing 15% to the controller of charger 8,Then it is maintained at this inlet amount;Data-signal that the MCU will be received and the signal command for sending all send storage order to memory, and memory receives the data-signal for receiving MCU and the signal command for sending after storage order and stores.
Claims (2)
1. a kind of control system of autogenous tumbling mill, including：Cylinder（4）, the first end cap（9）, the second end cap（10）, first end cap（9）, the second end cap（10）It is separately mounted to cylinder（4）Two ends, first end cap（9）On feeding cylinder is installed（7）, the second end cap（10）With power transmission shaft（3）One end be fixedly connected, feeding cylinder（7）With power transmission shaft（3）It is separately mounted to first support（1）And second support（2）On, power transmission shaft（3）The other end and decelerator（12）Power output shaft connection, the decelerator（12）Power input shaft and motor（13）Connection, the cylinder（4）Liner plate is inside installed（5）And guide plate（6）, cylinder（4）It is provided with annular discharging opening（14）, cylinder（4）Near the second end cap（10）Place is provided with annular discharging opening（14）, the annular discharging opening（14）With circular screen；The feeding cylinder（7）One end carries horn mouth, and the other end is provided with mounting ring, feeding cylinder（7）Inside guide vane is installed（15）, feeding cylinder（7）Mounting ring pass through bolt and the first end cap（9）Fixed installation, feeding cylinder（7）With first support（1）Between sliding bearing, feeding cylinder are installed（7）Entrance charger is installed（8）, charger（8）On controller is installed；The power transmission shaft（3）One end mounting ring is installed, the other end is provided with shaft coupling（11）, power transmission shaft（3）Mounting ring pass through bolt and the second end cap（10）Fixed installation, power transmission shaft（3）With second support（2）Between be provided with sliding bearing；The decelerator（12）Power input shaft and motor（13）Power output shaft pass through shaft coupling（11）Connection, the shaft coupling（11）It is pin coupler；The liner plate（5）It is mounted by means of bolts on cylinder（4）It is interior, liner plate（5）Inner surface be provided with convex ball；The guide plate（6）It is the steel bar of distortion, guide plate（6）Cylinder is arranged on by bolt（4）On；The discharging opening（14）It is provided close to the second end cap（10）Cylinder（4）On, discharging opening（14）Screen cloth with annular；It is characterized in that：
The power transmission shaft（3）Speed probe after upper installation, the motor（13）It is variable-frequency motor, motor（13）On electric machine controller, motor are installed（13）Torductor, the first support are installed on output shaft（1）And second support（2）On Weight-measuring device is installed, the sliding bearing body is provided with temperature sensor, and the speed probe, torductor, Weight-measuring device and temperature sensor are connected with MCU respectively, and MCU is connected with display, alarm and memory.
2. autogenous tumbling mill according to claim 1, it is characterised in that the power transmission shaft（3）On speed probe will measure power transmission shaft（3）Tach signal n be transmitted to MCU in real time, the MCU is judged after receiving tach signal n, if n ＞ n1 or n ＜ n2, described n1, n2 are respectively the maximum of autogenous tumbling mill, minimum speed, then MCU sends deceleration/speedup order to electric machine controller, after electric machine controller receives deceleration/speedup order, decelerating through motor/speedup, so that n2 ＜ n ＜ n1, if n ＞ n1 or n ＜ n2, then MCU sends alarm command to alarm, and the alarm sends alarm after receiving alarm command；The torque signal T that torductor will be measured in real time is transmitted to MCU in real time; after the MCU receives torque signal T; if T ＞ T1; the T1 is the peak torque of autogenous tumbling mill; then MCU sends the order of shutdown to the controller of motor; alert command is sent to alarm, controlled motor is shut down after electric machine controller receives halt command, alarm sends alarm after receiving alarm life；The temperature signal t that the temperature sensor that the sliding bearing body is provided with will be measured is transmitted to MCU; after the MCU receives temperature signal t; if t ＞ t1; the t1 is the maximum temperature of sliding bearing normal work; then MCU sends alarm command to alarm; the order of shutdown is sent to the controller of motor, controlled motor is shut down after electric machine controller receives halt command, alarm sends alarm after receiving alarm life；
The weight signal m that the Weight-measuring device will measure autogenous tumbling mill is real-time transmitted to MCU, after the MCU receives weight signal m, if m ＞ m1, the m1 are machine drum body when autogenous tumbling mill is in high efficient district（4）Weight during built with most materials, then MCU is to charger（8）Controller sends the command signal for reducing inlet amount, the charger（8）After controller receives the command signal for reducing inlet amount, charger is controlled（8）Inlet amount reduce, if m ＜ m2, the m2 is machine drum body when autogenous tumbling mill is in high efficient district（4）Weight during built with minimum material, then MCU is to charger（8）Controller sends the command signal for increasing inlet amount, the charger（8）After controller receives the command signal for increasing inlet amount, charger is controlled（8）Inlet amount increase, in charger（8）After reduction/increase inlet amount, as m2 ＜ m ＜ m1, then material is in normal amount in autogenous tumbling mill, and now, MCU is to charger（8）Controller sends the inlet amount of reduction 10~30%, is then maintained at this inlet amount;Data-signal that the MCU will be received and the signal command for sending all send the signal command of storage, display to memory and display respectively, memory receives the data-signal for receiving MCU and the signal command for sending after storage is ordered and stores, and display shows in the display each data after receiving display command in real time.
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| CN106902927A (en) * | 2015-12-23 | 2017-06-30 | 德阳九鼎智远知识产权运营有限公司 | A kind of autogenous tumbling mill |
| CN108114767A (en) * | 2017-11-22 | 2018-06-05 | 徐工集团工程机械有限公司 | A kind of material crusher and its control method |
| CN108380293A (en) * | 2018-05-23 | 2018-08-10 | 成都汇智远景科技有限公司 | Sizing Crusher and its control method |
| CN108871172A (en) * | 2018-09-03 | 2018-11-23 | 佛山职业技术学院 | A kind of ball milling machine vibration and protection system |
| CN112166395A (en) * | 2019-07-30 | 2021-01-01 | 深圳市大疆创新科技有限公司 | Holder control method, holder and computer readable storage medium |
| CN114113664A (en) * | 2022-01-27 | 2022-03-01 | 山东泗水海韵粮机有限公司 | Intelligent monitoring method and system for working state of peeling machine |
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| CN106902927A (en) * | 2015-12-23 | 2017-06-30 | 德阳九鼎智远知识产权运营有限公司 | A kind of autogenous tumbling mill |
| CN108114767A (en) * | 2017-11-22 | 2018-06-05 | 徐工集团工程机械有限公司 | A kind of material crusher and its control method |
| CN108380293A (en) * | 2018-05-23 | 2018-08-10 | 成都汇智远景科技有限公司 | Sizing Crusher and its control method |
| CN108871172A (en) * | 2018-09-03 | 2018-11-23 | 佛山职业技术学院 | A kind of ball milling machine vibration and protection system |
| CN112166395A (en) * | 2019-07-30 | 2021-01-01 | 深圳市大疆创新科技有限公司 | Holder control method, holder and computer readable storage medium |
| CN114113664A (en) * | 2022-01-27 | 2022-03-01 | 山东泗水海韵粮机有限公司 | Intelligent monitoring method and system for working state of peeling machine |
| CN114113664B (en) * | 2022-01-27 | 2022-04-08 | 山东泗水海韵粮机有限公司 | Intelligent monitoring method and system for working state of peeling machine |
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