CN115402737A - Belt operation detection control method for circular stock yard stocker - Google Patents
Belt operation detection control method for circular stock yard stocker Download PDFInfo
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- CN115402737A CN115402737A CN202211033358.5A CN202211033358A CN115402737A CN 115402737 A CN115402737 A CN 115402737A CN 202211033358 A CN202211033358 A CN 202211033358A CN 115402737 A CN115402737 A CN 115402737A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/04—Control devices, e.g. for safety, warning or fault-correcting detecting slip between driving element and load-carrier, e.g. for interrupting the drive
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
- B65G2203/0275—Damage on the load carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/045—Thermic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a belt operation detection control method for a circular stock yard stocker. The problem that a belt control detection mechanism of a stacker is not perfect in the prior art is solved. The method comprises the following steps of S1, presetting alarm parameters and fault parameters when the belt runs abnormally; s2, detecting the running belt through a PLC control system; s3, when the parameters of the normal operation of the belt reach the set alarm parameters, sending out an alarm signal, and when the parameters reach the fault parameters, sending out a fault signal and stopping the machine; and S4, when an emergency occurs, sending an emergency stop signal to the PLC control system by using the emergency stop switch and the pull-cord switch so as to emergently stop the belt. The invention has the advantages that: effectively reduced the condition of belt operation damage, detection control effect, convenient to use.
Description
Technical Field
The invention relates to the technical field of mechanical equipment management, in particular to a belt operation detection control method for a circular stock yard stocker.
Background
The circular stock ground top-stacking side-taking machine is important bulk cargo loading and unloading equipment, is more and more popular due to the characteristics of high efficiency, environmental protection and the like, and is widely applied to places such as coal yards and the like. As the main force of the stacker, the operation safety of the stacking belt directly influences the field production. The material loading belt is easy to slip in the material loading process, so that the material loading efficiency is low, and the door seat frame is easy to deviate from the track when walking, so that the material loading belt machine cannot load materials, and the operation efficiency is delayed; in addition, the existing belt control detection mechanism of the stacker is not perfect, workers often need to observe in real time to find abnormality, damage can be caused at the moment, production efficiency is affected, and manpower is wasted.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a novel stacker [ CN201821481269.6], which comprises a door frame, a turning device, a feeding belt machine and a cantilever belt machine, wherein the turning device is fixedly installed at the upper end of the door frame, one side of the cantilever belt machine is installed at the upper end of the turning device and is hinged with the turning device, a feeding hopper is arranged above one side of the cantilever belt machine, the upper end of the feeding hopper is connected with the feeding belt machine, a crawling ladder and a working platform are arranged on the door frame, a cab is arranged on the working platform, a power cable reel and a control cable reel are arranged on the side edge of the working platform, a slip detector is arranged on the feeding belt machine, a support column is arranged below the feeding belt machine, a support roller is arranged at the lower end of the support column, a walking roller is arranged at the lower end of the door frame, a limit plate is arranged on the inner side of the lower end of the door frame, a support cylinder is arranged on the turning device, and the upper end of the support cylinder is connected with the lower end of the cantilever belt machine.
Above-mentioned scheme has solved the stacker belt of stacker among the prior art phenomenon of skidding appears easily to a certain extent, and the problem of the easy off tracking of door seat frame, but this scheme still has a great deal of not enoughly, for example: the belt control detection mechanism of the stacker is not perfect enough, and the abnormality can be discovered only by real-time observation of workers, and the damage can be caused at the moment, so that the production efficiency is influenced, and the labor is wasted.
Disclosure of Invention
The invention aims to solve the problems and provides a circular stockyard stacker belt operation detection control method with good detection control effect.
In order to achieve the purpose, the invention adopts the following technical scheme: a belt operation detection control method for a circular stock ground stocker specifically comprises the following steps:
s1, presetting alarm parameters and fault parameters when a belt runs abnormally; by presetting the abnormal parameter critical value exceeding the normal operation, the corresponding action can be sent out at the initial stage of the abnormal operation of the belt.
S2, detecting the running belt through a PLC control system; the PLC control system carries out real-time detection on the running belt, can effectively improve the timeliness of abnormal alarm and reduce running damage.
S3, when the parameters of the belt in normal operation reach the set alarm parameters, sending an alarm signal, and when the parameters reach the fault parameters, sending a fault signal and stopping the machine; corresponding actions are respectively made according to different abnormal conditions of the belt, and the flexibility is good.
And S4, when an emergency occurs, sending an emergency stop signal to the PLC control system by using the emergency stop switch and the pull-cord switch to enable the belt to stop emergently. The belt in operation can be suddenly stopped through the sudden stop switch and the pull-cord switch, and the condition of excessive damage is reduced.
In the above method for detecting and controlling the belt operation of the circular stockyard stacker, in step S1, the alarm parameters include a belt alarm temperature T1 and a vertical roll inclination alarm angle A1, and the fault parameters include a belt fault temperature T2 and a vertical roll inclination fault angle A2, the belt fault temperature T2 is greater than the belt alarm temperature T1, and the vertical roll inclination fault angle A2 is greater than the vertical roll inclination alarm angle A1.
In the above-mentioned circular stock yard stocker belt operation detection control method, belt alarm temperature T1 and belt fault temperature T2 are detected by thermocouple temperature sensors on the rear axle and the front axle of the belt and transmitted to the PLC control system in real time, the PLC control system displays the detected temperature on the parameter display screen, and the tail of the belt is provided with a drive shaft, which is driven by the belt motor, the belt motor is controlled to start and stop by a soft starter and a contactor connected with the PLC control system 1, and the PLC control system 1 is connected with the parameter display screen through the ethernet and performs data transmission. Thermocouple temperature sensor detects the front axle and the rear axle of belt respectively, can detect out bulk temperature like this, improves the temperature detection effect, and soft starter and contactor set up and can open the operation of belt fast and stop, improve control effect.
In the above method for detecting and controlling the belt operation of the circular stockyard stacker, the step S3 of detecting the belt temperature specifically includes the following steps:
s31, detecting the running temperature T of the front shaft or the rear shaft through a thermocouple temperature sensor;
s311, if T2 is larger than T and is larger than or equal to T1, sending an alarm signal to the PLC control system, and sending out an audible and visual alarm by the PLC control system 1 through an audible and visual alarm arranged on the stacker;
and S312, when the T is larger than or equal to the T2, sending a fault signal to the PLC control system, and sending an audible and visual alarm by the PLC control system 1 through an audible and visual alarm and stopping the belt motor from running through the contactor. When the detected temperature respectively makes different reactions in different intervals, the flexibility is good, and the using effect is good.
In the method for detecting and controlling the belt operation of the circular stockyard stacker, the vertical roll inclination fault angle A2 and the vertical roll inclination warning angle A1 are detected through the deviation switches arranged on the front half part and the rear half part of the belt, the angle parameters detected by the deviation switches are transmitted to the PLC control system in real time, and the PLC control system displays the detected angle parameters on the parameter display screen; the detection data can be observed in real time through the parameter display screen.
When the running belt deviates, the edge of the belt drives the vertical stick of the deviation switch 4 to extrude the vertical stick to incline, so that the deviation angle of the belt is detected.
In the above method for detecting and controlling the operation of the belt of the circular stockyard stacker, the step S3 of detecting the deviation angle of the belt specifically comprises the following steps:
s32, detecting the inclination angle A of the vertical stick through a deviation switch;
s321, when A2 is larger than A and is larger than or equal to A1, sending an alarm signal to the PLC control system, and sending an alarm by the PLC control system through an audible and visual alarm;
and S322, when A is larger than or equal to A2, sending a fault signal to the PLC control system, and sending an alarm by the PLC control system through an audible and visual alarm and stopping the operation of the belt motor through the contactor. Different actions are taken in different inclination angle ranges, and the control flexibility is good.
In the above method for detecting and controlling the operation of the belt of the stacker in the circular stockyard, in step S4, the emergency stop switch and the pull switch are respectively arranged on two sides of the stacker, and the pull switch is composed of a pull switch main body and a steel wire rope, the steel wire rope penetrates from the head of the stacker to the tail of the stacker, and the emergency stop switch is respectively arranged at the front end, the middle part and the tail end of the stacker; the emergency stop is convenient to carry out at any time by the arrangement, and the emergency stop efficiency is improved.
When an emergency happens on site, the steel wire rope is pulled to drive the pull rope switch to act or the emergency stop switch is pressed down, the pull rope switch or the emergency stop switch transmits an emergency stop signal to the PLC control system in real time, and the PLC control system enables the stacker to stop running.
In the method for detecting and controlling the belt operation of the circular stock yard stacker, a control room is arranged on a main beam of the stacker, an electric control cabinet and an operation table are arranged in the control room, a main electric loop and a control loop are arranged in the electric control cabinet and are respectively connected with a PLC control system, the PLC control system is connected with an upper control system through a wireless network, and the upper control system remotely controls the belt and the operation of the stacker. The upper control system can realize remote operation, is convenient to use,
in the method for detecting and controlling the belt operation of the circular stockyard stacker, the belt motor, the thermocouple temperature sensor and the deviation switch are led out of the control room through the connecting cable, and the thermocouple temperature sensor, the deviation switch, the pull rope switch, the emergency stop switch, the audible and visual alarm and the emergency stop switch are connected to the PLC control system through the control cable. The connecting cable is used for direct connection, so that the risk and signal loss in transfer are reduced, and the signal transmission stability is improved.
In the belt operation detection control method for the circular stockyard stacker, the audible and visual alarm is controlled by the PLC control system and is formed by the buzzer and the multicolor flash lamp, when the belt normally operates, the buzzer is silent, the multicolor flash lamp is on and green, when the belt gives an alarm, the buzzer sounds, the multicolor flash lamp is on and red and flashes, when the belt fails, the buzzer sounds, and the multicolor flash lamp is always on and green. The belt is in different states and carries out different states of reporting an emergency and asking for help or increased vigilance respectively, and the operating personnel of being convenient for in time knows the condition, improves maintenance efficiency.
Compared with the prior art, the invention has the advantages that: carry out real-time temperature and inclination through thermocouple temperature sensor and off tracking switch to the belt operation and detect, and set up the difference in advance and report an emergency and ask for help or increased vigilance the fault parameter value, when detecting belt temperature and inclination and reach the warning of settlement or when the fault parameter value, then send different alarm signal through PLC control system to the belt motor drive of driving the belt operation and audible-visual annunciator, not only be convenient for in time discover the trouble of knowing the belt, but also can carry out automatic control to the operation of belt, the condition of belt operation damage has effectively been reduced, the detection control effect, high durability and convenient use.
Drawings
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a block diagram of the detection control hardware connections in the present invention;
FIG. 3 is a block diagram of the connection of the partial structure in the present invention;
FIG. 4 is a schematic view of the overall structure of the stocker of the present invention;
fig. 5 is a partial top view of the stocker of the present invention.
In the figure: the system comprises a PLC control system 1, an emergency stop switch 11, a pull rope switch 12, a thermocouple temperature sensor 13, a parameter display screen 14, a belt motor 2, a soft starter 21, a contactor 22, an audible and visual alarm 3, a buzzer 31, a multi-color flash lamp 32, a deviation switch 4, a stacker 5, a control room 51, an electric control cabinet 52, a main electric circuit 521, a control circuit 522, an operation table 53 and an upper-layer control system 6.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-5, a method for detecting and controlling the operation of a belt of a circular stockyard stacker specifically comprises the following steps:
s1, presetting alarm parameters and fault parameters when a belt runs abnormally;
s2, detecting the running belt through the PLC control system 1;
s3, when the parameters of the belt in normal operation reach the set alarm parameters, sending an alarm signal, and when the parameters reach the fault parameters, sending a fault signal and stopping the machine;
and S4, when an emergency occurs, sending an emergency stop signal to the PLC control system 1 by using the emergency stop switch 11 and the pull-cord switch 12 to emergently stop the belt.
Example one
In step S1, the alarm parameter includes a belt alarm temperature T1, the fault parameter includes a belt fault temperature T2, and the belt fault temperature T2 is greater than the belt alarm temperature T1.
The belt alarm temperature T1 and the belt fault temperature T2 are detected through thermocouple temperature sensors 13 on a rear shaft and a front shaft of the belt and transmitted to the PLC control system 1 in real time, the PLC control system 1 displays the detected temperatures on a parameter display screen 14, a driving shaft is arranged at the tail part of the belt and driven by a belt motor 2, the belt motor 2 controls starting and stopping through a soft starter 21 and a contactor 22 connected with the PLC control system 1, and the PLC control system 1 is connected with the parameter display screen 14 through the Ethernet and performs data transmission.
Detecting the operating temperature T of the front axle or the rear axle through a thermocouple temperature sensor 13;
if T2 is more than T and is not less than T1, an alarm signal is sent to the PLC control system 1, and the PLC control system 1 sends out audible and visual alarm through an audible and visual alarm 3 arranged on the stacker 5;
when T is larger than or equal to T2, a fault signal is sent to the PLC control system 1, the PLC control system 1 sends out audible and visual alarm through the audible and visual alarm 3 and stops the operation of the belt motor 2 through the contactor 22.
In this embodiment, the thermocouple temperature sensor 13 detects the temperatures of the rear shaft and the front shaft of the belt, and sets the alarm temperature and the fault temperature in advance, and performs corresponding operations by the PLC control system 1 when the detected temperature value is greater than the preset alarm temperature or fault temperature.
Example two
In step S1, the warning parameter includes a vertical roll inclination warning angle A1, the fault parameter includes a vertical roll inclination fault angle A2, and the vertical roll inclination fault angle A2 is greater than the vertical roll inclination fault angle A1.
The vertical roll inclination fault angle A2 and the vertical roll inclination warning angle A1 are detected through deviation switches 4 arranged on the front half part and the rear half part of the belt, angle parameters detected by the deviation switches 4 are transmitted to the PLC control system 1 in real time, and the PLC control system 1 displays the detected angle parameters on a parameter display screen 14;
when the running belt deviates, the edge of the belt drives the vertical stick of the deviation switch 4 to extrude the vertical stick to incline, so that the deviation angle of the belt is detected.
The inclination angle A of the vertical stick is detected by the deviation switch 4 when the belt runs;
when A2 is larger than A and is larger than or equal to A1, an alarm signal is sent to the PLC control system 1, and the PLC control system 1 sends an alarm through the audible and visual alarm 3;
when A is larger than or equal to A2, a fault signal is sent to the PLC control system 1, the PLC control system 1 sends an alarm through the audible and visual alarm 3 and stops the belt motor 2 from running through the contactor 22.
In the embodiment, the deviation switch 4 is used for detecting the inclined fault angle of the vertical roller so as to judge the deviation angle of the belt, an alarm angle value and a fault angle value are preset, and when the detected angle is larger than the preset alarm angle value and the preset fault angle value, the PLC control system 1 is used for carrying out corresponding action.
EXAMPLE III
The scram switch 11 and the pull-cord switch 12 are respectively arranged on two sides of the stacker 5, the pull-cord switch 12 is composed of a pull-cord switch main body and a steel wire rope, the steel wire rope penetrates from the head of the stacker 5 to the tail of the stacker 5, and the scram switch 11 is respectively arranged at the front end, the middle part and the tail end of the stacker 5;
when an emergency happens on site, the steel wire rope is pulled to drive the pull rope switch 12 to act or press the emergency stop switch 11, the pull rope switch 12 or the emergency stop switch 11 transmits an emergency stop signal to the PLC control system 1 in real time, and the PLC control system 1 stops the operation of the stacker 5.
In this embodiment, when an emergency occurs in the field, the emergency stop signal is sent to the PLC control system 1 by using the pull switch 12 or the emergency stop switch 11, and the stacker 5 is stopped by using the PLC control system 1.
Wherein, be provided with control room 51 on the girder of stacker 5, be provided with electric control cabinet 52 and operation panel 53 in control room 51, be provided with main electric circuit 521 and control circuit 522 in the electric control cabinet 52 and be connected with PLC control system 1 respectively, and PLC control system 1 has upper control system 6 through wireless network connection, and upper control system 6 carries out remote control to the operation of belt and stacker 5. Can carry out remote operation to belt and stacker 5 through upper control system 6, improve operating personnel's simple operation nature, operation panel 53 and control circuit 522 electric connection, and operation panel 53 connects parameter display screen 14, scram switch 11 and stay cord switch 12 respectively.
Further, the belt motor 2, the thermocouple temperature sensor 13 and the deviation switch 4 are led out of the control room 51 through connecting cables, and the thermocouple temperature sensor 13, the deviation switch 4, the pull-cord switch 12, the emergency stop switch 11, the audible and visual alarm 3 and the emergency stop switch 11 are connected to the PLC control system 1 through control cables. The configuration is used for reducing the risk of relay and signal loss and ensuring the stability of signal transmission.
Specifically, the audible and visual alarm 3 is controlled by the PLC control system 1, and the audible and visual alarm 3 is formed by a buzzer 31 and a multicolor flash lamp 32, when the belt is normally operated, the buzzer 31 is silent, the multicolor flash lamp 32 is on green, when the belt gives an alarm, the buzzer 31 sounds, and the multicolor flash lamp 32 is on red and flashes, when the belt is out of order, the buzzer 31 sounds, and the multicolor flash lamp 32 is always on green. Different states send different action responses through audible and visual alarm 3, are favorable to operating personnel to distinguish the fault type, improve maintenance efficiency.
In conclusion, according to the method, the temperature and inclination angle alarm value and the fault value are preset, when the thermocouple temperature sensor 13 and the deviation switch 4 detect that the temperature and the operation angle of the belt are larger than the set temperature and inclination angle alarm value and fault value, the PLC control system 1 is used for sending out an alarm signal in time and carrying out real-time operation on the stacker 5 and the belt, the detection effect is good, and meanwhile, the pull rope switch 12 and the emergency stop switch 11 are arranged, so that the field real-time operation is facilitated, the emergency stop is carried out on the stacker 5, and the belt damage condition is reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the PLC control system 1, the emergency stop switch 11, the pull-cord switch 12, the thermocouple temperature sensor 13, the parameter display screen 14, the belt motor 2, the soft starter 21, the contactor 22, the audible and visual alarm 3, the buzzer 31, the multi-color flashing light 32, the deviation switch 4, the stacker 5, the control room 51, the electric control cabinet 52, the main electric circuit 521, the control circuit 522, the console 53, the upper control system 6, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A belt operation detection control method for a circular stock ground stocker is characterized by comprising the following steps:
s1, presetting alarm parameters and fault parameters when a belt runs abnormally;
s2, detecting a running belt through the PLC control system (1);
s3, when the parameters of the belt in normal operation reach the set alarm parameters, sending an alarm signal, and when the parameters reach the fault parameters, sending a fault signal and stopping the machine;
and S4, when an emergency occurs, sending an emergency stop signal to the PLC control system (1) by using the emergency stop switch (11) and the pull-cord switch (12) to emergently stop the belt.
2. The method for detecting and controlling the belt operation of the circular stockyard stacker according to claim 1, wherein in the step S1, the alarm parameters include a belt alarm temperature T1 and a vertical roll inclination alarm angle A1, the failure parameters include a belt failure temperature T2 and a vertical roll inclination failure angle A2, the belt failure temperature T2 is greater than the belt alarm temperature T1, and the vertical roll inclination failure angle A2 is greater than the vertical roll inclination alarm angle A1.
3. The method for detecting and controlling the belt operation of the circular stockyard stacker as claimed in claim 2, wherein the belt alarm temperature T1 and the belt failure temperature T2 are detected by thermocouple temperature sensors (13) on a rear shaft and a front shaft of the belt and transmitted to the PLC control system (1) in real time, the PLC control system (1) displays the detected temperatures on a parameter display screen (14), a driving shaft is provided at a tail of the belt and is driven by the belt motor (2), the belt motor (2) is controlled to start and stop by a soft starter (21) and a contactor (22) connected to the PLC control system (1), and the PLC control system (1) is connected to the parameter display screen (14) through ethernet and performs data transmission.
4. The method for detecting and controlling the belt operation of the circular stockyard stacker as claimed in claim 3, wherein the step S3 of detecting the belt temperature specifically comprises the following steps:
s31, detecting the running temperature T of the front shaft or the rear shaft through a thermocouple temperature sensor (13);
s311, if T2 is larger than T and is larger than or equal to T1, sending an alarm signal to the PLC control system (1), and sending an audible and visual alarm to the PLC control system (1) through an audible and visual alarm (3) arranged on the stacker (5);
and S312, when the T is larger than or equal to the T2, sending a fault signal to the PLC control system (1), and sending an audible and visual alarm to the PLC control system (1) through the audible and visual alarm (3) and stopping the belt motor (2) from running through the contactor (22).
5. The belt operation detection control method of the circular stockyard stacker according to claim 4, characterized in that the vertical roll inclination fault angle A2 and the vertical roll inclination warning angle A1 are detected by deviation switches (4) arranged on the front half part and the rear half part of the belt, angle parameters detected by the deviation switches (4) are transmitted to the PLC control system (1) in real time, and the PLC control system (1) displays the detected angle parameters on a parameter display screen (14);
when the running belt deviates, the edge of the belt drives the vertical stick of the deviation switch (4) to extrude the vertical stick to incline, so that the deviation angle of the belt is detected.
6. The method for detecting and controlling the belt running of the circular stockyard stacker as claimed in claim 5, wherein the step S3 of detecting the belt deviation angle specifically comprises the following steps:
s32, detecting the inclination angle A of the vertical stick through the deviation switch (4);
s321, when A2 is larger than or equal to A1, an alarm signal is sent to the PLC control system (1), and the PLC control system (1) sends out an alarm through the audible and visual alarm (3);
and S322, when A is larger than or equal to A2, sending a fault signal to the PLC control system (1), sending an alarm by the PLC control system (1) through the audible and visual alarm (3) and stopping the belt motor (2) from running through the contactor (22).
7. The method for detecting and controlling the belt running of the stacker of the circular stockyard according to claim 5, wherein in step S4, the emergency stop switch (11) and the pull switch (12) are respectively arranged at two sides of the stacker (5), the pull switch (12) is composed of a pull switch main body and a steel wire rope, the steel wire rope penetrates from the head of the stacker (5) to the tail of the stacker (5), and the emergency stop switch (11) is respectively arranged at the front end, the middle part and the tail end of the stacker (5);
when an emergency happens on site, the steel wire rope is pulled to drive the pull rope switch (12) to act or the emergency stop switch (11) is pressed, the pull rope switch (12) or the emergency stop switch (11) transmits an emergency stop signal to the PLC control system (1) in real time, and the PLC control system (1) enables the stacker (5) to stop running.
8. The belt operation detection control method of the circular stockyard stacker according to claim 7, characterized in that a control room (51) is arranged on a main beam of the stacker (5), an electric control cabinet (52) and an operation console (53) are arranged in the control room (51), a main electric circuit (521) and a control circuit (522) are arranged in the electric control cabinet (52) and are respectively connected with the PLC control system (1), the PLC control system (1) is connected with an upper control system (6) through a wireless network, and the upper control system (6) remotely controls the operation of the belt and the stacker (5).
9. The belt running detection control method of the circular stockyard stacker according to claim 8, characterized in that the belt motor (2), the thermocouple temperature sensor (13) and the deviation switch (4) are led out of the control room (51) through connecting cables, and the thermocouple temperature sensor (13), the deviation switch (4), the pull switch (12), the emergency stop switch (11), the audible and visual alarm (3) and the emergency stop switch (11) are connected to the PLC control system (1) through control cables.
10. The method for detecting and controlling the belt running of the circular stockyard stacker according to claim 4, characterized in that the audible and visual alarm (3) is controlled by the PLC control system (1), the audible and visual alarm (3) is formed by a buzzer (31) and a multicolor flash lamp (32), when the belt runs normally, the buzzer (31) is silent, the multicolor flash lamp (32) is bright green, when the belt alarms, the buzzer (31) sounds, the multicolor flash lamp (32) is bright red and flashes, when the belt fails, the buzzer (31) sounds, and the multicolor flash lamp (32) is bright green.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211033358.5A CN115402737A (en) | 2022-08-26 | 2022-08-26 | Belt operation detection control method for circular stock yard stocker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211033358.5A CN115402737A (en) | 2022-08-26 | 2022-08-26 | Belt operation detection control method for circular stock yard stocker |
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| CN115402737A true CN115402737A (en) | 2022-11-29 |
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| CN202211033358.5A Pending CN115402737A (en) | 2022-08-26 | 2022-08-26 | Belt operation detection control method for circular stock yard stocker |
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