CN108566543B - Safety monitoring system of electrolytic unit - Google Patents
Safety monitoring system of electrolytic unit Download PDFInfo
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- CN108566543B CN108566543B CN201810744994.6A CN201810744994A CN108566543B CN 108566543 B CN108566543 B CN 108566543B CN 201810744994 A CN201810744994 A CN 201810744994A CN 108566543 B CN108566543 B CN 108566543B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 29
- 230000010365 information processing Effects 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 74
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 62
- 229910052782 aluminium Inorganic materials 0.000 claims description 62
- 230000003014 reinforcing effect Effects 0.000 claims description 40
- 230000007246 mechanism Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 15
- 238000005303 weighing Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000000875 corresponding effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model provides an electrolytic unit safety monitoring system belongs to control management technical field, especially relates to an electrolytic unit safety monitoring system. The invention provides an electrolytic unit safety monitoring system capable of improving equipment safety. The invention comprises a video information acquisition unit, a video information storage unit, a video information display unit, a control state information acquisition unit, a control state information processing unit and a control state information storage display unit.
Description
Technical Field
The invention belongs to the technical field of monitoring management, and particularly relates to a safety monitoring system of an electrolytic unit.
Background
In recent years, production safety accidents are gradually reduced, the safety production condition is generally stable and tends to be improved, but the form is still very serious, the total accident amount is still very large, the illegal production phenomenon is serious, serious and serious accidents are frequent, and the obvious problems of light safety, weak safety management, unrealistic main responsibility, insufficient safety supervision of places and departments and the like of mass life and property safety of people are exposed. In order to further strengthen the safety production work and comprehensively improve the safety production level of enterprises, the invention provides a safety monitoring system of an electrolytic unit.
Disclosure of Invention
The invention aims at the problems and provides an electrolytic unit safety monitoring system capable of improving equipment safety.
In order to achieve the above purpose, the invention adopts the following technical scheme that the system comprises a video information acquisition unit, a video information storage unit, a video information display unit, a control state information acquisition unit, a control state information processing unit and a control state information storage display unit.
As a preferred solution, the video information acquisition unit of the present invention comprises one or more cameras.
As a preferable scheme, the camera is fixedly arranged on an end beam of the electrolytic unit, and the camera hole is opposite to the aluminum hook.
As a preferable scheme, the camera adopts an anti-shake camera, and a film is adhered on the surface of the camera.
As another preferable scheme, the control state information acquisition unit comprises a sensor, and the sensor is connected with the control state information processing unit through a data bus.
As another preferable mode, the control state information processing unit of the present invention adopts a PLC.
As another preferable scheme, the PLC provided by the invention adopts a 2080-LC50-48 and QVB integrated machine.
As another preferable scheme, the control state information processing unit sets an administrator mode and implements login grading rights.
As another preferable scheme, the login grading rights have different rights for different grades, and the operation grade password can only see the operation data of the equipment, including the operation state, the fault state, the operation condition and the instruction operation of the equipment;
the password of the management level can see the operation data, the analysis result and the violation operation record, and can carry out simple pressure and flow adjustment;
the password of the debugging level can be used for changing the picture address, adjusting the program and setting the running parameters.
As another preferable scheme, the information acquired by the control state information acquisition unit comprises the lifting weight of the aluminum hook, the moving stroke of the trolley, the lifting height of the aluminum hook and the fixed lifting and equipment interlocking protection information.
As another preferable scheme, the information of the movement stroke of the large and small vehicles is collected through the large and small vehicle operation detection mechanism, the large and small vehicle operation detection mechanism comprises an encoder, the encoder is fixed on an end cover of a large and small vehicle operation wheel set, an output shaft of the encoder is connected with a shaft on a shaft end baffle of the large and small vehicle operation wheel set through a three-section universal joint and an inner hexagonal concave end set screw, and the shaft end baffle rotates together with the large and small vehicle operation wheel set.
As another preferable scheme, the encoder is arranged in the middle of the outer end of the connecting seat with the transverse cross section in a shape like a Chinese character 'ji' through a fastener, the inner end of the connecting seat is bent towards two sides and is connected with the end cover through cylindrical head screws, a gasket group is arranged between the inner end of the connecting seat and the end cover, and an output shaft of the encoder penetrates through a central hole of the connecting seat.
As another preferred scheme, the information of the aluminum discharging hook and the fixed lifting height is collected through the aluminum discharging hook and the fixed lifting height detecting mechanism, the aluminum discharging hook and the fixed lifting height detecting mechanism comprise encoders and two side vertical seat boards, the encoders are arranged on long vertical boards at the outer ends of the fixing boards with transverse Z-shaped longitudinal sections, the lower ends of the long vertical boards are bent inwards and then downwards, the downwards bent parts are short inner end vertical boards, the short inner end vertical boards are connected with the outer wall of one side seat board through fasteners, detecting shafts are arranged between the upper ends of the two side seat boards, two ends of each detecting shaft are connected with shaft holes at the upper ends of the seat boards through bearings, detecting wheels are sleeved in the middle parts of the detecting shafts, and winding drums of the aluminum discharging hook and the fixed lifting parts drive the detecting wheels to rotate; the output shaft of the encoder is connected with the detection shaft.
As another preferable scheme, the inside of the shaft hole is small and the outside is large, the inner end surface of the bearing is clung to the outer end surface of the small hole, the inner wall of the seat board is provided with an annular groove around the shaft hole, the inner diameter of the annular groove is larger than the diameter of the large hole, and the bottom surface of the annular groove and the outer end of the small hole are on the same vertical surface;
a spacer bush is arranged on the detection shaft between the side wall of the detection wheel and the inner wall of the seat plate, an annular middle protruding part extending outwards is arranged around the detection shaft in the middle of the spacer bush, the outer end of the middle protruding part abuts against the inner end of the bearing, an annular outer protruding part extending outwards is arranged around the detection shaft around the outer periphery of the spacer bush, and the outer end of the outer protruding part extends into the annular groove; the outer end of the middle bulge part is more convex than the outer end of the outer bulge part.
As another preferable scheme, the bearing adopts a deep groove ball bearing.
As another preferable scheme, the seat plate at the outer end of the side shaft hole of the encoder is provided with a transparent cover, and the detection shaft passes through the central hole of the transparent cover and is connected with the output shaft of the encoder; a base plate which is not provided with the outer end of the side shaft hole of the encoder is provided with a blank cap.
As another preferable scheme, the lower end of the seat plate is provided with the sliding seat, the sliding seat is arranged in the sliding groove at the upper end of the connecting seat, the side part of the connecting seat is provided with the adjusting plate, the upper part of the adjusting plate is provided with the threaded hole, the adjusting screw is screwed in the threaded hole, and the front end of the adjusting screw abuts against the sliding seat.
As another preferable scheme, the information of the lifting weight of the aluminum hook is collected through the lifting weight detection structure of the aluminum hook, the lifting weight detection structure of the aluminum hook comprises a weighing sensor, the weighing sensor is arranged on a beam of the aluminum hook, a detection shaft is arranged on a weighing detection curved surface of the weighing sensor, and a detection shaft penetrating hole is formed in the upper end of a lifting hook group of the aluminum hook.
As another preferable scheme, the detection shaft penetrating through the two ends of the hole is sleeved with an insulating plate, the insulating plate is fixed with the aluminum-out hook lifting hook group through an inner hexagonal countersunk head screw, and the detection shaft at the outer end of the insulating plate is provided with a shaft elastic retainer ring.
As another preferable scheme, the control state information acquisition unit is used for guiding corresponding lifting weight, lifting height, movement stroke, safety distance between two adjacent vehicles, operation instructions, working time, accumulated working time, each working cycle, fault state, limiting state, interlocking relation state, running state of electric equipment and action time information into the control state information processing unit through the lifting weight limiter, lifting height limiter, movement stroke limiter, door limiter, mechanism movement linkage limiter, collision avoidance device between the No. 1 large vehicle and the No. 2 large vehicle and between the No. 1 small vehicle and the No. 2 small vehicle, the large vehicle walking, the small vehicle walking, the lifting of an aluminum hook, the fixed crane lifting overspeed protection device and the lifting brake.
As another preferable scheme, the overspeed protection device for lifting and lowering the aluminum hook and lifting and lowering the fixed crane adopts an overspeed protection device of the lifting and lowering motor of the aluminum hook or adopts a structural form that an encoder is arranged at the tail end of the motor, and whether the motor is overspeed is detected through the rotating speed of the encoder.
As another preferable scheme, the lifting brake is characterized in that an opening and closing detection limit switch is added on the lifting lever wall to detect the lifting state.
As another preferable scheme, the anti-collision device comprises a laser range finder arranged at the upper end of the No. 1 vehicle and a reflector arranged at the upper end of the No. 2 vehicle.
As another preferable scheme, the laser range finder detects the distance between the laser head and the reflecting plate, judges whether the vehicle needs to be decelerated or stopped according to the distance, and avoids collision of the two vehicles.
As another preferable scheme, the laser range finder is arranged at the upper end of a No. 1 vehicle through a range finder mounting seat, a reflector is arranged at the upper end of a No. 2 vehicle through a reflector mounting seat, the range finder mounting seat comprises a first bottom plate with a transverse U-shaped longitudinal section, the lower end of the first bottom plate is welded with the upper end of the No. 1 vehicle, the lower end of the laser range finder is provided with a downward bolt, the lower end of the bolt passes through a through hole at the upper end of the first bottom plate, nuts are screwed on the bolts at the upper end and the lower end of the through hole, and a gasket is arranged between the nuts and the upper end of the first bottom plate;
The reflector panel mount pad includes that the longitudinal section is the second bottom plate of horizontal U-shaped, and second bottom plate lower extreme and No. 2 car upper end welding, and second bottom plate upper end is provided with the connecting plate that the longitudinal section is L shape, and the opening direction of connecting plate is the same with the opening direction of second bottom plate, and connecting plate front end and rear end all with second bottom plate front end and rear end parallel and level, the reflector panel setting is at the connecting plate front end, and the connecting plate lower extreme passes through bolted connection with second bottom plate upper end.
As another preferable scheme, the first reinforcing rib plates are arranged on two lateral sides of the first bottom plate, the first reinforcing rib plates are arranged in the openings of the first bottom plate, the upper ends of the first reinforcing rib plates are welded with the upper plate of the first bottom plate, the lower ends of the first reinforcing rib plates are welded with the lower plate of the first bottom plate, and the inner ends of the first reinforcing rib plates are welded with the vertical plates of the first bottom plate;
the upper end of the second reinforcing rib plate is welded with the upper plate of the second bottom plate, the lower end of the second reinforcing rib plate is welded with the lower plate of the second bottom plate, and the inner end of the second reinforcing rib plate is welded with the vertical plate of the second bottom plate; right triangle reinforcing rib plates are arranged on two sides of the connecting plate, long vertical edges of the front ends of the angle reinforcing rib plates are welded with the front ends of the connecting plate, short horizontal vertical edges of the lower ends of the angle reinforcing rib plates are welded with the lower ends of the connecting plate, the upper ends of the long vertical edges of the front ends of the angle reinforcing rib plates are lower than the upper ends of the connecting plate, and the short horizontal vertical edges of the rear ends of the angle reinforcing rib plates are not exposed out of the rear ends of the connecting plate.
As another preferable scheme, the PLC receives external data and analyzes and processes various state data through the CPU of the PLC.
As another preferred embodiment, the analysis and processing steps of the invention are: after the CPU receives the data, the data sent by other equipment is required to be converted into the data which can be identified by the PLC, then whether the data is in a normal range or not is judged, if the data is not in the normal range of the data, the data is subjected to abnormal data alarm, if the data is normal, the data is further subjected to proportional calculation, the height of an aluminum hook, the weight of the aluminum hook, the running state and the fault state of the equipment are judged, in addition, whether the running speed of the equipment is normal or not is judged through the collection of the data, the lifting capacity of the equipment is out of limit or not, whether the forming range is in a deceleration or terminal position or not is judged, and the PLC gives corresponding actions of alarm, deceleration and stop of lifting or back-and-forth movement.
As another preferable scheme, the video information acquisition unit acquires the video of the whole dispatching process of the lifting equipment through one or more cameras and sends the video information to the video information storage unit; the video information storage unit stores the video information sent by the video information acquisition unit and simultaneously sends the video information to the video information display unit in real time; the video information display unit is used for receiving and displaying the video signals sent by the video storage unit;
The control state information acquisition unit is used for acquiring the travel, height, weight and running state information of the equipment through communication of the sensor and the data bus, and sending the information to the control state information processing unit for processing;
the control state information storage display unit is a human-machine interface, and displays the running state of the equipment unit and the alarm display in real time on line, and displays the real-time positions of the walking and lifting mechanisms.
As another preferable scheme, after the control state information processing unit is started, the system enters the automatic inspection and the industrial personal computer to jointly control, if the system has a problem, the system sends out an alarm signal and displays relevant alarm information, if the system has no fault, the system enters an engineering management interface after passing detection, and the system enters a main picture after inputting a correct user password.
And secondly, the control state information storage and display unit adopts an industrial tablet personal computer, a configuration picture is installed on the industrial tablet personal computer, the configuration picture comprises the running state, the fault state and a parameter adjustment window of the electrolytic unit equipment, and when the equipment has a fault of operation, the alarm and the record are carried out.
In addition, when the equipment has a fault of operation, the judging mode for alarming is as follows: the electrolysis unit equipment is powered by an idle switch, an idle switch auxiliary contact is connected with a PLC, and once the idle switch trips, the PLC immediately judges the idle switch trips according to a numbered logic program; when the equipment is operated, the auxiliary contacts of the contactors are controlled by the contactor or the frequency converter, the contactors are connected to the PLC, adhesion faults occur on the contactors, the PLC immediately judges according to the numbered logic program, the auxiliary contacts of each contactor in the equipment are connected to the input points of the PLC, the PLC detects whether the contactors are attracted or not at all, and when the PLC does not output a contactor attraction instruction and detects that the contactors are in an attraction state, the PLC gives alarm information and executes a corresponding main power supply stopping logic program;
The method comprises the steps that a fault signal of a frequency converter is connected with the PLC, when the frequency converter is in fault, the PLC immediately judges according to a logic program of a serial number, a frequency converter alarm joint is arranged on a terminal of the frequency converter, the input point PLC connected with the PLC monitors the frequency converter, once the frequency converter alarms, the switching value joint acts, the PLC immediately sends out the frequency converter alarm after acquiring that the signal is in an action state, and the frequency converter alarms;
meanwhile, the operation of operators is guided, and maintenance personnel are guided to maintain; when an operation instruction is given and no action is output or a fault occurs, the PLC judges according to the state of an input condition, triggers an automatic pop-up dialog box page in the industrial tablet personal computer through bus communication, gives out the reason and the fault reason of the operation instruction and no action, gives out a fault processing method, gives out line and equipment numbers to be checked by taking a drawing as basic data, and guides operators and maintenance personnel.
The invention has the beneficial effects that.
According to the invention, through the mutual coordination of the parts, the running condition of the electrolytic unit can be monitored, and the collected data is effectively stored to be monitored, so that the running risk of the equipment is reduced, and the safety of the equipment is improved.
Drawings
The invention is further described below with reference to the drawings and the detailed description. The scope of the present invention is not limited to the following description.
FIG. 1 is a schematic diagram of a large and small vehicle operation detection mechanism of the present invention.
FIG. 2 is a schematic view of the mechanism for detecting the lifting height of the aluminum hook and the fixed crane.
Fig. 3 is a side view of fig. 2.
FIG. 4 is a schematic view of the structure of the present invention for detecting the lifting weight of aluminum hooks.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a schematic view of the structure of the collision avoidance device of the present invention.
Fig. 7 is a control flow diagram of the present invention.
Fig. 8 is a partial enlarged view of fig. 7.
In the figure, 1 is a gasket group, 2 is a cylindrical head screw, 3 is a connecting seat, 4 is an encoder, 5 is a hexagon socket end set screw, 6 is a three-joint universal joint, 7 is a detection shaft, 8 is an end cover, 9 is a shaft end baffle, 10 is a traveling wheel group, 11 is a hexagon head bolt, 12 is a connecting seat, 13 is a detection wheel, 14 is a detection shaft, 15 is a spacer bush, 16 is a deep groove ball bearing, 17 is a blank cap, 18 is a seat plate, 19 is an encoder, 20 is a fixed plate, 21 is a transparent cover, 22 is a reel, 23 is a weighing sensor, 24 is a cross beam, 25 is a lifting hook group, 26 is an insulating plate, 27 is a shaft elastic retainer ring, 28 is a hexagon socket head screw, 29 is a photoelectric sensor, 30 is a light reflecting plate, 31 is a detection shaft, 32 is a right triangle reinforcing rib plate, 33 is a connecting plate, 34 is a second base plate, 35 is a second reinforcing rib plate, 36 is a bolt, 37 is a nut, 38 is a gasket, 39 is a first reinforcing rib plate, 40 is a first base plate, 41 is a ring-shaped groove and 42 is a regulating plate.
Detailed Description
As shown in the figure, the invention comprises a video information acquisition unit, a video information storage unit, a video information display unit, a control state information acquisition unit, a control state information processing unit and a control state information storage display unit, wherein an acquisition signal output port of the video information acquisition unit is connected with an acquisition signal input port of the video information storage unit, a display signal output port of the video information storage unit is connected with a display signal input port of the video information display unit, an acquisition signal output port of the control state information acquisition unit is connected with an acquisition signal input port of the control state information processing unit, and a signal transmission port of the control state information processing unit is connected with a signal transmission port of the control state information storage display unit.
The video information acquisition unit comprises one or more cameras.
The camera is fixedly arranged on an end beam of the electrolytic unit, and the camera hole is opposite to the aluminum outlet hook. The working condition of the aluminum hook can be observed and recorded in the whole process.
The camera adopts an anti-shake camera, and a film is adhered on the surface of the camera. The film is stuck on the surface of the camera, so that the corrosion of sulfur-containing element gas and dust to the camera can be obviously reduced, and the camera is more suitable for the severe environment of a electrolysis workshop.
The control state information acquisition unit comprises a sensor, and the sensor is connected with the control state information processing unit through a data bus.
The control state information processing unit adopts a PLC.
The PLC adopts 2080-LC50-48QVB integrated machine. The cart position, the aluminum outlet cart position and the aluminum outlet hook lifting pulse signals sent by the encoder are read through a self-contained high-meter channel, the extension 2080-IF4 module is used for collecting weight signals of 4-20mA sent by the lifting weight limiter, and the extension 2080-SERIALIS OL module is used for collecting weight signals of the electronic scale through an RS-485 protocol.
The control state information processing unit sets an administrator mode and carries out login hierarchical authority.
The login grading authority is different in authority for different grades, and the operation grade password can only see the operation data of the equipment, including the operation state, the fault state, the operation condition and the instruction operation of the equipment;
the password of the management level can see the operation data, the analysis result and the violation operation record, and can carry out simple pressure and flow adjustment;
the password of the debugging level can be used for changing the picture address, adjusting the program and setting the running parameters.
The information collected by the control state information collection unit comprises lifting weight of the aluminum outlet hook, moving stroke of the trolley, lifting height of the aluminum outlet hook and equipment interlocking protection information.
The information of the movement stroke of the big and small vehicles is collected through a big and small vehicle operation detection mechanism, the big and small vehicle operation detection mechanism comprises an encoder, the encoder is fixed on an end cover of a big and small vehicle operation wheel set, an output shaft of the encoder is connected with a shaft on a shaft end baffle of the big and small vehicle operation wheel set through a three-section universal joint and an inner hexagonal concave end set screw, and the shaft end baffle rotates together with the big and small vehicle operation wheel set.
The encoder is arranged in the middle of the outer end of the connecting seat, the longitudinal section of which is transverse and shaped like a Chinese character 'ji', through a fastener, the inner end of the connecting seat is bent towards two sides and is connected with the end cover through a cylindrical head screw, a gasket group is arranged between the inner end of the connecting seat and the end cover, and an output shaft of the encoder penetrates through a central hole of the connecting seat.
The output shaft of the encoder is connected with the shaft on the shaft end baffle, and no sliding occurs between the wheels and the track, so that the encoder provides accurate data. In addition, a photoelectric reset structure can be arranged at a specific position of the track.
The photoelectric reset structure comprises a photoelectric switch arranged on an end beam of the electrolysis unit equipment, a reflecting mirror matched with the photoelectric switch is arranged on a track of the electrolysis unit, and the reflecting mirror is arranged at the position where the passing frequency of the equipment is highest. When the equipment passes through the position, the photoelectric switch is triggered by the reflecting mirror to send a signal to the PLC, and the PLC directly gives the actual position data to the position data in the program according to the actual position of the point, so that the function of correcting and clearing is achieved, and the system is ensured not to generate accumulated errors.
The aluminum discharging hook and the fixed lifting height detection mechanism are used for collecting information of the aluminum discharging hook and the fixed lifting height, the aluminum discharging hook and the fixed lifting height detection mechanism comprise an encoder and two side vertical seat boards, the encoder is arranged on a long vertical board at the outer end of a transverse Z-shaped fixing plate with a longitudinal section, the lower end of the long vertical board is bent inwards and then downwards, the downwards bent part is a short vertical board at the inner end, the short vertical board at the inner end is connected with the outer wall of one side seat board through a fastener, a detection shaft is arranged between the upper ends of the two side seat boards, two ends of the detection shaft are connected with shaft holes at the upper end of the seat board through bearings, a detection wheel is sleeved in the middle of the detection shaft, and a winding drum of the aluminum discharging hook and the fixed lifting part drives the detection wheel to rotate; the output shaft of the encoder is connected with the detection shaft.
The encoder measures the running formation of the shaft or the winding drum on the shaft end baffle, and can calculate the running speed of the large and small vehicles and the lifting speed of the aluminum outlet hook and the fixed crane through time.
The inner side of the shaft hole is small and large, the inner end surface of the bearing is clung to the outer end surface of the small hole, the inner wall of the seat board surrounds the shaft hole and is provided with an annular groove, the inner diameter of the annular groove is larger than the diameter of the large hole, and the bottom surface of the annular groove and the outer end of the small hole are arranged on the same vertical surface;
a spacer bush is arranged on the detection shaft between the side wall of the detection wheel and the inner wall of the seat plate, an annular middle protruding part extending outwards is arranged around the detection shaft in the middle of the spacer bush, the outer end of the middle protruding part abuts against the inner end of the bearing, an annular outer protruding part extending outwards is arranged around the detection shaft around the outer periphery of the spacer bush, and the outer end of the outer protruding part extends into the annular groove; the outer end of the middle bulge part is more convex than the outer end of the outer bulge part.
The bearing adopts a deep groove ball bearing.
A transparent cover is arranged on a seat plate at the outer end of the side shaft hole of the encoder, and a detection shaft penetrates through a central hole of the transparent cover to be connected with an output shaft of the encoder; a base plate which is not provided with the outer end of the side shaft hole of the encoder is provided with a blank cap.
The lower extreme of bedplate is provided with the slide, and the slide setting is in the spout of connecting seat upper end, and the connecting seat lateral part is provided with the regulating plate, and regulating plate upper portion is provided with the screw hole, and the screw hole internal rotation has adjusting screw, and adjusting screw front end offsets with the slide.
The aluminum hook lifting weight detection structure comprises a weighing sensor, the weighing sensor is arranged on an aluminum hook beam, a detection shaft is arranged on a weighing detection curved surface of the weighing sensor, and a detection shaft penetrating hole is formed in the upper end of the aluminum hook lifting hook group.
The detection shaft penetrating through the two ends of the hole is sleeved with an insulating plate, the insulating plate is fixed with the aluminum outlet hook hanging hook group through an inner hexagonal countersunk head screw, and the detection shaft at the outer end of the insulating plate is provided with an elastic retainer ring for the shaft.
The control state information acquisition unit is characterized in that the control state information acquisition unit is used for guiding the corresponding lifting weight, lifting height, movement travel, safety distance between two adjacent vehicles, operation instructions, working time, accumulated working time, each working cycle, fault state, limiting state, state of interlocking relation, running state of electric equipment and action time information into the control state information processing unit through the lifting weight limiter, lifting height limiting, movement travel limiting, door limiting, mechanism movement interlocking limiting, collision avoidance device between the No. 1 large vehicle and No. 2 large vehicle and the No. 1 small vehicle and between the No. 1 small vehicle and the No. 2 small vehicle.
The threshold bit interlock is that the threshold must be in the off state, otherwise the operation is not valid. The threshold bits include: cab door limit, cab railing limit, electric control cabinet door limit, trolley maintenance platform door limit, cart maintenance platform door limit and cab top ladder limit.
The interlocking relationship of the devices can be displayed on the security monitoring management system. The method comprises the following steps:
1) When the tool on the equipment is not at the upper limit, the large and small vehicles cannot run at high speed and can only walk at low speed.
2) The anode wrench cannot be operated without the upper limit of the size of the trolley.
3) The large and small trolleys cannot operate in the process of receiving the crown block.
4) The anode mechanism, the crust breaking mechanism, the cleaning shovel, the material pipe, the aluminum outlet hook and the fixed hanging tool can only leave the upper limit of one tool, and when one tool leaves the upper limit, the descending operation of other tools is ineffective.
5) The crust breaking mechanism can be inclined after the crust breaking mechanism is limited in work, when the crust breaking mechanism ascends and leaves the limit in work, the striking head must be in a vertical state to continue ascending, if the crust breaking mechanism is not in the vertical state, the striking head continues ascending after being automatically vertical in operation ascending.
6) The material pipe descends to the lower limit and can rotate, when the material pipe ascends to leave the upper limit, the direction of the material pipe opening is required to be in the detection direction and can ascend, otherwise, the material pipe automatically rotates to the detection position and then continues to ascend after ascending is operated.
7) After the anode leaves the upper limit, the anode wrench can be lowered, otherwise, the operation is ineffective.
8) When the trolley runs to the power supply side, the cab is in a detection position when the trolley reaches the speed reduction limit, otherwise, the speed reduction limit is changed into the parking limit.
The overspeed protection device for lifting the aluminum hook and the fixed crane adopts the overspeed protection device of the lifting motor of the aluminum hook and the fixed crane or adopts the structural form that the encoder is arranged at the tail end of the motor, and the overspeed of the motor is detected through the rotating speed of the encoder.
The speed of the cart walking, the trolley walking, the lifting of the aluminum outlet hook and the lifting of the fixed crane can be judged whether to be normal or not through data acquisition. The PLC collects the position of the large and small vehicles, the height of the aluminum outlet hook and the height of the fixed crane at the moment, calculates the lifting speeds of the large and small vehicles, the lifting of the aluminum outlet hook and the lifting speed of the fixed crane by the difference between the position data of the previous second and the position data of the next second, compares the lifting speeds with the rated speeds, and considers that the equipment has an overspeed fault state once exceeding the rated speeds, thereby avoiding safety accidents.
The lifting brake is characterized in that an opening and closing detection limit switch is added on the lifting lever wall to detect the lifting state.
The anti-collision device comprises a laser range finder arranged at the upper end of the No. 1 vehicle and a reflector arranged at the upper end of the No. 2 vehicle.
The laser range finder detects the distance between the laser head and the reflector, judges whether the vehicle needs to be decelerated or stopped according to the distance, and avoids collision of the two vehicles.
The laser range finder is arranged at the upper end of a No. 1 vehicle through a range finder mounting seat, the reflector is arranged at the upper end of a No. 2 vehicle through a reflector mounting seat, the range finder mounting seat comprises a first bottom plate with a transverse U-shaped longitudinal section, the lower end of the first bottom plate is welded with the upper end of the No. 1 vehicle, the lower end of the laser range finder is provided with a downward bolt, the lower end of the bolt penetrates through a through hole at the upper end of the first bottom plate, nuts are screwed on the bolts at the upper end and the lower end of the through hole, and gaskets are arranged between the nuts and the upper end of the first bottom plate;
the reflector panel mount pad includes that the longitudinal section is the second bottom plate of horizontal U-shaped, and second bottom plate lower extreme and No. 2 car upper end welding, and second bottom plate upper end is provided with the connecting plate that the longitudinal section is L shape, and the opening direction of connecting plate is the same with the opening direction of second bottom plate, and connecting plate front end and rear end all with second bottom plate front end and rear end parallel and level, the reflector panel setting is at the connecting plate front end, and the connecting plate lower extreme passes through bolted connection with second bottom plate upper end.
The first reinforcing rib plates are arranged in the openings of the first bottom plate, the upper ends of the first reinforcing rib plates are welded with the upper plate of the first bottom plate, the lower ends of the first reinforcing rib plates are welded with the lower plate of the first bottom plate, and the inner ends of the first reinforcing rib plates are welded with the vertical plate of the first bottom plate;
The upper end of the second reinforcing rib plate is welded with the upper plate of the second bottom plate, the lower end of the second reinforcing rib plate is welded with the lower plate of the second bottom plate, and the inner end of the second reinforcing rib plate is welded with the vertical plate of the second bottom plate; right triangle reinforcing rib plates are arranged on two sides of the connecting plate, long vertical edges of the front ends of the angle reinforcing rib plates are welded with the front ends of the connecting plate, short horizontal vertical edges of the lower ends of the angle reinforcing rib plates are welded with the lower ends of the connecting plate, the upper ends of the long vertical edges of the front ends of the angle reinforcing rib plates are lower than the upper ends of the connecting plate, and the short horizontal vertical edges of the rear ends of the angle reinforcing rib plates are not exposed out of the rear ends of the connecting plate.
The PLC receives the external data and analyzes and processes various state data through a CPU of the PLC.
The analysis and processing steps are as follows: after the CPU receives the data, the data sent by other equipment is required to be converted into the data which can be identified by the PLC, then whether the data is in a normal range or not is judged, if the data is not in the normal range of the data, the data is subjected to abnormal data alarm, if the data is normal, the data is further subjected to proportional calculation, the height of an aluminum hook, the weight of the aluminum hook, the running state and the fault state of the equipment are judged, in addition, whether the running speed of the equipment is normal or not is judged through the collection of the data, the lifting capacity of the equipment is out of limit or not, whether the forming range is in a deceleration or terminal position or not is judged, and the PLC gives corresponding actions of alarm, deceleration and stop of lifting or back-and-forth movement.
The video information acquisition unit acquires video of the whole dispatching process of the lifting equipment through one or more cameras and sends the video information to the video information storage unit; the video information storage unit is used for storing the video information sent by the video information acquisition unit (a 256G solid state disk is selected to be used for storing the information for more than 72 hours), and sending the video information to the video information display unit in real time; the video information display unit is used for receiving and displaying the video signals sent by the video storage unit;
the control state information acquisition unit is used for acquiring the travel, height, weight and running state information of the equipment through communication of the sensor and the data bus, and sending the information to the control state information processing unit for processing;
the control state information storage display unit is a human-machine interface, and displays the running state and alarm display of the equipment set in real time on line, and displays the real-time position of the walking and lifting mechanism (the running history and alarm record of the equipment can be stored for more than 30 days, and the reading and writing period is within 100 ms).
After the control state information processing unit is started, the system enters the automatic inspection and the industrial personal computer for joint control, if the system has a problem, the system sends out an alarm signal and displays related alarm information, if the system has no fault, the system enters an engineering management interface after passing detection, and after inputting a correct user password, the system enters a main picture.
The control state information storage display unit adopts an industrial tablet personal computer, a configuration picture is installed on the industrial tablet personal computer, the configuration picture comprises an operation state, a fault state and a parameter adjustment window of electrolytic unit equipment, and when the equipment has a fault of operation, an alarm and a record are carried out.
The judging mode for alarming when the equipment has the fault of operation of dispatching is as follows: the electrolysis unit equipment is powered by an idle switch, an idle switch auxiliary contact is connected with a PLC, and once the idle switch trips, the PLC immediately judges the idle switch trips according to a numbered logic program; when the equipment is operated, the auxiliary contacts of the contactors are controlled by the contactor or the frequency converter, the contactors are connected to the PLC, adhesion faults occur on the contactors, the PLC immediately judges according to the numbered logic program, the auxiliary contacts of each contactor in the equipment are connected to the input points of the PLC, the PLC detects whether the contactors are attracted or not at all, and when the PLC does not output a contactor attraction instruction and detects that the contactors are in an attraction state, the PLC gives alarm information and executes a corresponding main power supply stopping logic program;
the method comprises the steps that a fault signal of a frequency converter is connected with the PLC, when the frequency converter is in fault, the PLC immediately judges according to a logic program of a serial number, a frequency converter alarm joint is arranged on a terminal of the frequency converter, the input point PLC connected with the PLC monitors the frequency converter, once the frequency converter alarms, the switching value joint acts, the PLC immediately sends out the frequency converter alarm after acquiring that the signal is in an action state, and the frequency converter alarms;
Meanwhile, the operation of operators is guided, and maintenance personnel are guided to maintain; when an operation instruction is given and no action is output or a fault occurs, the PLC judges according to the state of an input condition, triggers an automatic pop-up dialog box page in the industrial tablet personal computer through bus communication, gives out the reason and the fault reason of the operation instruction and no action, gives out a fault processing method, gives out line and equipment numbers to be checked by taking a drawing as basic data, and guides operators and maintenance personnel.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (1)
1. The safety monitoring system of the electrolytic unit comprises a video information acquisition unit, a video information storage unit, a video information display unit, a control state information acquisition unit, a control state information processing unit and a control state information storage display unit, and is characterized in that an acquisition signal output port of the video information acquisition unit is connected with an acquisition signal input port of the video information storage unit, a display signal output port of the video information storage unit is connected with a display signal input port of the video information display unit, an acquisition signal output port of the control state information acquisition unit is connected with an acquisition signal input port of the control state information processing unit, and a signal transmission port of the control state information processing unit is connected with a signal transmission port of the control state information storage display unit;
The information collected by the control state information collection unit comprises lifting weight of an aluminum outlet hook, moving stroke of a large car, lifting height of the aluminum outlet hook and equipment interlocking protection information;
the information of the movement stroke of the large and small vehicles is collected through a large and small vehicle operation detection mechanism, the large and small vehicle operation detection mechanism comprises an encoder, the encoder is fixed on an end cover of a large and small vehicle operation wheel set, an output shaft of the encoder is connected with a shaft on a shaft end baffle of the large and small vehicle operation wheel set through a three-section universal joint and an inner hexagonal concave end set screw, and the shaft end baffle rotates together with the large and small vehicle operation wheel set;
the encoder is arranged in the middle of the outer end of the connecting seat with the transverse cross section in a shape like a Chinese character 'ji' through a fastener, the inner end of the connecting seat is bent towards two sides and is connected with the end cover through a cylindrical head screw, a gasket group is arranged between the inner end of the connecting seat and the end cover, and an output shaft of the encoder penetrates through a central hole of the connecting seat;
the video information acquisition unit comprises one or more cameras;
the camera is fixedly arranged on an end beam of the electrolytic unit, and the camera hole is opposite to the aluminum outlet hook;
the camera adopts an anti-shake camera, and a film is adhered to the surface of the camera;
the control state information acquisition unit comprises a sensor, and the sensor is connected with the control state information processing unit through a data bus;
The control state information processing unit adopts a PLC;
the PLC adopts 2080-LC50-48QVB integrated machine;
the control state information processing unit sets an administrator mode and carries out login hierarchical authority;
the login grading authority is different in authority for different grades, and the operation grade password can only see the operation data of the equipment, including the operation state, the fault state, the operation condition and the instruction operation of the equipment;
the password of the management level can see the operation data, the analysis result and the violation operation record, and can carry out simple pressure and flow adjustment;
the password of the debugging level can change the picture address, adjust the program and set the running parameters;
the PLC receives external data and analyzes and processes various state data through a CPU of the PLC;
the photoelectric reset structure comprises a photoelectric switch arranged on an end beam of the electrolysis unit equipment, a reflecting mirror matched with the photoelectric switch is arranged on a track of the electrolysis unit, and the reflecting mirror is arranged at the position with highest passing frequency of the equipment; when the equipment passes through the position, the photoelectric switch is triggered by the reflecting mirror to send a signal to the PLC, and the PLC directly gives the actual position data to the position data in the program according to the actual position, so that the function of correcting and clearing is achieved, and the system is ensured not to generate accumulated errors;
The aluminum discharging hook and the fixed lifting height detection mechanism are used for collecting information of the aluminum discharging hook and the fixed lifting height, the aluminum discharging hook and the fixed lifting height detection mechanism comprise an encoder and two side vertical seat boards, the encoder is arranged on a long vertical board at the outer end of a transverse Z-shaped fixing plate with a longitudinal section, the lower end of the long vertical board is bent inwards and then downwards, the downwards bent part is a short vertical board at the inner end, the short vertical board at the inner end is connected with the outer wall of one side seat board through a fastener, a detection shaft is arranged between the upper ends of the two side seat boards, two ends of the detection shaft are connected with shaft holes at the upper end of the seat board through bearings, a detection wheel is sleeved in the middle of the detection shaft, and a winding drum of the aluminum discharging hook and the fixed lifting part drives the detection wheel to rotate; an output shaft of the encoder is connected with the detection shaft;
the encoder measures the running formation of the shaft or the winding drum on the shaft end baffle, and can calculate the running speed of the large and small vehicles and the lifting speed of the aluminum outlet hook and the fixed crane through time;
the inner side of the shaft hole is small and large, the inner end surface of the bearing is clung to the outer end surface of the small hole, the inner wall of the seat board surrounds the shaft hole and is provided with an annular groove, the inner diameter of the annular groove is larger than the diameter of the large hole, and the bottom surface of the annular groove and the outer end of the small hole are arranged on the same vertical surface;
a spacer bush is arranged on the detection shaft between the side wall of the detection wheel and the inner wall of the seat plate, an annular middle protruding part extending outwards is arranged around the detection shaft in the middle of the spacer bush, the outer end of the middle protruding part abuts against the inner end of the bearing, an annular outer protruding part extending outwards is arranged around the detection shaft around the outer periphery of the spacer bush, and the outer end of the outer protruding part extends into the annular groove; the outer end of the middle bulge part is more convex than the outer end of the outer bulge part;
The bearing adopts a deep groove ball bearing;
a transparent cover is arranged on a seat plate at the outer end of the side shaft hole of the encoder, and a detection shaft penetrates through a central hole of the transparent cover to be connected with an output shaft of the encoder; a base plate which is not provided with the outer end of the side shaft hole of the encoder is provided with a blank cap;
the lower end of the seat plate is provided with a sliding seat, the sliding seat is arranged in a sliding groove at the upper end of the connecting seat, the side part of the connecting seat is provided with an adjusting plate, the upper part of the adjusting plate is provided with a threaded hole, an adjusting screw is screwed in the threaded hole, and the front end of the adjusting screw abuts against the sliding seat;
the aluminum outlet hook lifting weight detection structure comprises a weighing sensor, wherein the weighing sensor is arranged on an aluminum outlet hook cross beam, a detection shaft is arranged on a weighing detection curved surface of the weighing sensor, and a detection shaft penetrating hole is formed at the upper end of an aluminum outlet hook lifting hook group;
the detection shaft penetrating through the two ends of the hole is sleeved with an insulating plate, the insulating plate is fixed with the aluminum-out hook lifting hook group through an inner hexagonal countersunk head screw, and the detection shaft at the outer end of the insulating plate is provided with an elastic retainer ring for the shaft;
the control state information acquisition unit is used for guiding corresponding lifting weight, lifting height, movement stroke, safety distance between two adjacent vehicles, operation instructions, working time, each working cycle, fault state, limiting state, state of interlocking relation, running state of electrical equipment and action time information into the control state information processing unit through a lifting weight limiter, lifting height, movement stroke, safety distance between two adjacent vehicles, operation instructions, working time, each working cycle, fault state, limiting state, state of interlocking relation, a large vehicle running protection device, a small vehicle running protection device, an aluminum hook lifting protection device, a fixed crane lifting overspeed protection device and a lifting brake;
The threshold bit interlock is that the threshold must be in a closed state, otherwise, the operation is invalid; the threshold bits include: cab door limit, cab railing limit, electric control cabinet door limit, trolley maintenance platform door limit, cart maintenance platform door limit and cab top ladder limit;
displaying the interlocking relation of the equipment on a safety monitoring management system; the method comprises the following steps:
1) When the tool on the equipment is not at the upper limit, the large and small vehicles cannot run at high speed and can only walk at low speed;
2) The anode wrench cannot run when the upper limit of the size of the trolley is not high;
3) The large and small trolleys cannot operate in the process of receiving the crown block;
4) The anode mechanism, the crust breaking mechanism, the cleaning shovel, the material pipe, the aluminum outlet hook and the fixed hanging tool only have one tool to leave the upper limit, and when one tool leaves the upper limit, the descending operation of other tools is invalid;
5) The crust breaking mechanism can be inclined after the operation limit, when the crust breaking mechanism rises and leaves the operation limit, the striking head must be in a vertical state to continue rising, if not in the vertical state, the striking head automatically and vertically rises and continues rising when the operation rises;
6) The material pipe can rotate only when descending to the lower limit, and when ascending to leave the upper limit, the material pipe opening direction must be in the detection direction to ascend, otherwise, the material pipe automatically rotates to the detection position and then continues to ascend after ascending is operated;
7) After the anode leaves the upper limit, the anode wrench can be lowered, otherwise, the operation is invalid;
8) When the trolley runs to the power supply side, the cab is required to be at a detection position when the trolley reaches a deceleration limit, otherwise, the deceleration limit is changed into a parking limit;
the aluminum hook lifting and fixed crane lifting overspeed protection device adopts an overspeed protection device of an aluminum hook lifting and fixed crane lifting motor or adopts a structural form that an encoder is arranged at the tail end of the motor, and whether the motor overspeed is detected through the rotating speed of the encoder;
the speed of the lifting of the aluminum hook and the lifting of the fixed crane can be judged whether to be normal or not by data acquisition; the PLC collects the position of the large and small vehicles, the height of the aluminum outlet hook and the height of the fixed crane at the moment, calculates the lifting speeds of the large and small vehicles, the lifting of the aluminum outlet hook and the lifting speed of the fixed crane by the difference between the position data of the previous second and the position data of the next second, compares the lifting speeds with the rated speeds of the large and small vehicles, and considers that the equipment has an overspeed fault state once exceeding the rated speeds, so that safety accidents are avoided;
the lifting brake is characterized in that an opening and closing detection limit switch is added on the lifting lever wall to detect the lifting state;
the anti-collision device comprises a laser range finder arranged at the upper end of the No. 1 vehicle and a reflector arranged at the upper end of the No. 2 vehicle;
The laser range finder detects the distance between the laser head and the reflecting plate, judges whether the vehicle needs to be decelerated or stopped according to the distance, and avoids collision of the two vehicles;
the laser range finder is arranged at the upper end of a No. 1 vehicle through a range finder mounting seat, the reflector is arranged at the upper end of a No. 2 vehicle through a reflector mounting seat, the range finder mounting seat comprises a first bottom plate with a transverse U-shaped longitudinal section, the lower end of the first bottom plate is welded with the upper end of the No. 1 vehicle, the lower end of the laser range finder is provided with a downward bolt, the lower end of the bolt penetrates through a through hole at the upper end of the first bottom plate, nuts are screwed on the bolts at the upper end and the lower end of the through hole, and gaskets are arranged between the nuts and the upper end of the first bottom plate;
the reflector mounting seat comprises a second bottom plate with a transverse U-shaped longitudinal section, the lower end of the second bottom plate is welded with the upper end of the No. 2 vehicle, the upper end of the second bottom plate is provided with a connecting plate with an L-shaped longitudinal section, the opening direction of the connecting plate is the same as that of the second bottom plate, the front end and the rear end of the connecting plate are flush with the front end and the rear end of the second bottom plate, the reflector is arranged at the front end of the connecting plate, and the lower end of the connecting plate is connected with the upper end of the second bottom plate through bolts;
the first reinforcing rib plates are arranged in the openings of the first bottom plate, the upper ends of the first reinforcing rib plates are welded with the upper plate of the first bottom plate, the lower ends of the first reinforcing rib plates are welded with the lower plate of the first bottom plate, and the inner ends of the first reinforcing rib plates are welded with the vertical plate of the first bottom plate;
The upper end of the second reinforcing rib plate is welded with the upper plate of the second bottom plate, the lower end of the second reinforcing rib plate is welded with the lower plate of the second bottom plate, and the inner end of the second reinforcing rib plate is welded with the vertical plate of the second bottom plate; right triangle reinforcing rib plates are arranged on two sides of the connecting plate, long vertical edges of the front ends of the angle reinforcing rib plates are welded with the front ends of the connecting plate, short horizontal vertical edges of the lower ends of the angle reinforcing rib plates are welded with the lower ends of the connecting plate, the upper ends of the long vertical edges of the front ends of the angle reinforcing rib plates are lower than the upper ends of the connecting plate, and the short horizontal vertical edges of the rear ends of the angle reinforcing rib plates are not exposed out of the rear ends of the connecting plate;
the PLC receives external data and analyzes and processes various state data through a CPU of the PLC;
the analysis and processing steps are as follows: after the CPU receives the data, the data transmitted by other equipment is required to be converted into the data which can be identified by the PLC, then whether the data is in a normal range or not is judged, if the data is not in the normal range of the data, the data is subjected to abnormal data alarm, if the data is normal, the data is further subjected to proportional calculation, the height of an aluminum hook, the weight of the aluminum hook, the running state and the fault state of the equipment are judged, in addition, whether the running speed of the equipment is normal or not, whether the lifting weight of the equipment is out of limit or not is judged through the acquisition of the data, whether the forming range is in a deceleration or terminal position or not is judged, and the PLC performs corresponding actions of alarm, deceleration and stop of lifting or back and forth movement;
The video information acquisition unit acquires video of the whole dispatching process of the lifting equipment through one or more cameras and sends the video information to the video information storage unit; the video information storage unit stores the video information sent by the video information acquisition unit and simultaneously sends the video information to the video information display unit in real time; the video information display unit is used for receiving and displaying the video signals sent by the video storage unit;
the control state information acquisition unit is used for acquiring the travel, height, weight and running state information of the equipment through communication of the sensor and the data bus, and sending the information to the control state information processing unit for processing;
the control state information storage display unit is a human-machine interface and is used for displaying the running state and alarm display of the equipment unit on line in real time and displaying the real-time position of the walking and lifting mechanism;
after the control state information processing unit is started, the system enters an automatic inspection and industrial personal computer for joint control, if the system has a problem, the system sends out an alarm signal and displays related alarm information, if the system has no fault, the system enters an engineering management interface after passing detection, and the system enters a main picture after inputting a correct user password;
The control state information storage display unit adopts an industrial tablet computer, a configuration picture is installed on the industrial tablet computer, the configuration picture comprises an operation state, a fault state and a parameter adjustment window of electrolytic unit equipment, and when the equipment has a fault of operation, an alarm and a record are carried out;
the judging mode for alarming when the equipment has the fault of operation of dispatching is as follows: the electrolysis unit equipment is powered by an idle switch, an idle switch auxiliary contact is connected with a PLC, and once the idle switch trips, the PLC immediately judges the idle switch trips according to a numbered logic program; when the equipment is operated, the auxiliary contacts of the contactors are controlled by the contactor or the frequency converter, the contactors are connected to the PLC, adhesion faults occur on the contactors, the PLC immediately judges according to the numbered logic program, the auxiliary contacts of each contactor in the equipment are connected to the input points of the PLC, the PLC detects whether the contactors are attracted or not at all, and when the PLC does not output a contactor attraction instruction and detects that the contactors are in an attraction state, the PLC gives alarm information and executes a corresponding main power supply stopping logic program;
the method comprises the steps that a fault signal of a frequency converter is connected with the PLC, when the frequency converter is in fault, the PLC immediately judges according to a logic program of a serial number, a frequency converter alarm joint is arranged on a terminal of the frequency converter, the input point PLC connected with the PLC monitors the frequency converter, once the frequency converter alarms, the switching value joint acts, the PLC immediately sends out the frequency converter alarm after acquiring that the signal is in an action state, and the frequency converter alarms;
Meanwhile, the operation of operators is guided, and maintenance personnel are guided to maintain; when an operation instruction is given and no action is output or a fault occurs, the PLC judges according to the state of an input condition, triggers an automatic pop-up dialog box page in the industrial tablet personal computer through bus communication, gives out the reason and the fault reason of the operation instruction and no action, gives out a fault processing method, gives out line and equipment numbers to be checked by taking a drawing as basic data, and guides operators and maintenance personnel.
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