218results about "Flexible work arrangments" patented technology

The invention discloses a pinch roll pneumatic control system and process in a high-speed wire rod rolling process. A high-speed wire rod sequentially enters a reducing mill unit, a water tank, a pinch roll and a silking machine along a rolling center line; a pinch roll cylinder is arranged on the pinch roll and is used for adjusting the clamping force and the size of a roll gap; and a connecting pipeline of the pinch roll cylinder is provided with a first stop valve, an air source triple piece, a second stop valve, a pneumatic proportioning valve, an electromagnetic valve and a throttle valve which are controlled by the PLC. The pinch roll can be suitable for most high-speed wire rod production lines, the clamping force of the pinch roll can be flexibly applied, the product requirements of different precisions are met, the roll gap in the pinch roll is easy and convenient to adjust, and the process combination application is flexible. The size cleaning performance of a final product is improved, the yield is improved, the accident post-treatment time in the area is shortened, the fault treatment time in the production process is shortened, the operation rate of a rolling mill is improved, and the income is increased.

The invention discloses a strip steel hot continuous rolling loop system modeling and fault detection method and system, and relates to the technical field of industrial steel rolling process modeling and fault detection, and the method comprises the steps: building a state space model of a strip steel hot continuous rolling loop system at a plurality of stable working points based on least square identification; fuzzifying the state space model based on a preset fuzzy rule to obtain a T-S fuzzy model of the strip steel hot continuous rolling loop system; optimizing the T-S fuzzy model based on a neural network, and establishing a target system model in which the neural network and fuzzy kernel representation are combined; and performing fault detection on the strip steel hot continuous rolling loop system based on the sum of residual signals between the model output of the target system model in the preset time period and the real output of the strip steel hot continuous rolling loop system. The technical problems that in the prior art, an accurate mathematical model of a loop is difficult to establish in a model-based fault detection method, and a data-driven fault detection method is low in accuracy and difficult in fault interpretation are solved.

The invention discloses a loop trolley, a loop system and a strip steel deviation rectifying method. The technical problem that strip steel in a loop trolley in the prior art is prone to deviation is solved. The loop trolley comprises a loop trolley body, a steering roller, a deviation rectifying device, a detecting device and a control device, and the steering roller is arranged on the loop trolley body and used for steering strip steel conveyed to the loop trolley; the deviation rectifying device is arranged on the loop vehicle body and located on the upstream of the steering roller in the moving direction of the strip steel so as to rectify deviation of the strip steel entering the loop vehicle body; the detection device is arranged on the loop vehicle body and located on the upstream of the deviation rectifying device in the moving direction of the strip steel; and the control device is connected with the detection device and the deviation rectifying device. In the moving process of the strip steel, the condition that the strip steel deviates from a normal track possibly exists when the strip steel moves to the position near the steering roller, whether the strip steel deviates from the moving track or not can be obtained through the detection device in advance, accordingly, deviation correction is conducted in time through the deviation correction device correspondingly, and the moving stability of the strip steel is guaranteed.

The utility model provides a silking pipe for a silking machine of a high-speed hot-rolled wire rod production line. The connecting pipes are connected to the two ends of the arc-shaped pipe, the connecting pieces are arranged between the arc-shaped pipe and the connecting pipes, each connecting piece comprises at least two reinforcing ribs and a connecting bolt pair connecting every two adjacent reinforcing ribs, one ends of the reinforcing ribs are in lap joint with the arc-shaped pipe, the other ends of the reinforcing ribs are in lap joint with the connecting pipes, and the reinforcing ribs are arranged in the circumferential direction of the connecting pipes. The spinning pipe can be replaced conveniently, vibration of the spinning pipe is reduced, and the service life of the spinning pipe is prolonged.

According to the high-quality high-speed wire rolling method for the low-alloy high-speed steel wire rod based on continuous casting forming, gradient heating is conducted through the step type heating furnace, preheating of a continuous casting blank is uniform, and phase change stress is reduced. The initial rolling temperature is set and controlled to be 1060-1100 DEG C, the finish rolling temperature is controlled to be 950-1050 DEG C, the spinning temperature is controlled to be 980-1030 DEG C, and the highest rolling speed is 25 m / s. And after rough rolling, induction heating temperature compensation is carried out to increase the surface temperature of the blank, the temperature is set to be 1000-1040 DEG C, the temperature compensation time is controlled to be 10-20 s, and surface cracks and head wind caused by too low temperature are prevented. And closing the cover plate after spinning, adopting heat collection, immediately entering a slow cooling tunnel furnace for furnace cooling after doffing, and discharging for annealing after 48 hours or longer. A continuous casting technology is used for replacing a traditional die casting technology, controlled rolling and controlled cooling in the rolling process are matched, composition segregation is remarkably reduced, the core quality is improved, carbides are effectively refined, the uniformity of products is guaranteed, the production efficiency is improved, the production cost is reduced, and the influence on the environment is reduced; and a new process and a new route are provided for producing the high-quality low-alloy high-speed steel wire rod.

The utility model provides a vertical loop rack and a vertical loop, and belongs to the field of steel rolling production equipment, a window is arranged on the operation side of a vertical loop rack body, and a hinge door is arranged at the window, so that waste steel in the rack is convenient to clean, the accident handling time is shortened, and the production efficiency is improved; when the high-speed wire rod rolling mill works normally, the first opening and closing door and the second opening and closing door are kept in a connected state and are fixed to the vertical loop rack body, and normal production is not affected; when a steel clamping accident occurs, only the first fixing mechanism and the second fixing mechanism need to be dismantled and the connection state between the first opening and closing door and the second opening and closing door needs to be released, so that the first opening and closing door and the second opening and closing door can rotate around the joint with the vertical loop rack body through the first connecting mechanism and the second connecting mechanism respectively; therefore, opening and closing between the first opening and closing door and the second opening and closing door are achieved, accidents occurring in the vertical loop rack body can be handled conveniently, and the handling efficiency is high.

The invention relates to a method for increasing the yield of a steel wire rod for a welding wire. The method comprises the working procedures of heating, temperature-controlled rolling and slow cooling which are carried out in sequence. Wherein the heating procedure comprises the step that a steel billet is subjected to sectional type heating, the temperature of a preheating section ranges from 700 DEG C to 800 DEG C, the temperature of a first heating section ranges from 760 DEG C to 840 DEG C, the temperature of a second heating section ranges from 890 DEG C to 970 DEG C, and the temperature of a soaking section ranges from 1000 DEG C to 1040 DEG C; the air-fuel ratio of the heating furnace is 0.7-1.0; the temperature-controlled rolling procedure comprises the steps that the steel billets obtained in the heating procedure are descaled through high-pressure water and then rolled into wire rods, then water cooling and spinning are conducted, and the descaling water pressure is larger than or equal to 22 Mpa; the initial rolling temperature is 950-990 DEG C, and the inlet temperature of a finishing mill is 900-950 DEG C; the spinning temperature is 940-960 DEG C; the slow cooling procedure comprises the steps that the steel wire rod obtained in the temperature control rolling procedure is slowly cooled on a Stelmor line and then enters a heat preservation vestibule for slow cooling, the temperature of entering the heat preservation vestibule ranges from 700 DEG C to 740 DEG C, the temperature of leaving the heat preservation vestibule is smaller than or equal to 300 DEG C, the heat preservation time of the heat preservation vestibule is larger than or equal to 120 min, and the produced steel wire rod for the welding wire is excellent in performance and high in yield.

The utility model discloses a high-speed wire rod air cooling roller way roll shape adjusting device which comprises a bottom frame, a plurality of sets of roller seats are arranged at the top end of the bottom frame, a plurality of sets of roller shafts are arranged in the roller seats, driving motors are arranged at the bottom ends of the roller seats, one ends of the driving motors are in transmission connection with the roller shafts, and adjusting structures are arranged at the front ends of the driving motors. Adjusting devices are arranged on one sides of the roll shafts on the two sides, side edge fine adjusting devices are arranged on the two sides of the roll seat, driving can be conducted in the mounting frame by controlling the multiple sets of air rod structures, a baffle is driven to move up and down through a blocking head structure, the advancing direction of a wire rod is blocked and dredged, and the position distribution of the wire rod on the roll shafts can be changed; deviation caused by a spinning drop point and a conveying device during roller way transportation is reduced, the phenomenon that a roll type is prone to layer staggering after roll collection is avoided, the quality of finished products is improved, the position of the baffle can be adjusted at the top end of the roller shaft, the advancing direction of a wire rod is adjusted and changed in cooperation with an adjusting structure, and the effect of changing the drop point is achieved.

The invention discloses a novel process for realizing online softening and improving cold heading performance of SCM435 series cold heading steel, and relates to the technical field of cold heading steel processing. The invention discloses a novel process for realizing online softening and improving the cold heading performance of SCM435 series cold heading steel. According to the method, S1, steel billet continuous casting forming, S2, steel billet precise heating, S3, low-temperature rolling molding, S4, wire rod standard spinning, S5, stelmor cooling and S6, heat preservation vestibule slow cooling are carried out, the uniformity of the process performance is remarkably improved, by innovatively optimizing the spinning coefficient and the roller way speed, it is fundamentally guaranteed that the disc shape is neat, the heat dissipation conditions of all positions of the wire rod in a slow cooling vestibule are consistent, and the heat dissipation efficiency of the wire rod is improved. Therefore, uniform transformation of a whole-roll structure and a same-circle structure is achieved, the consistency of cold heading performance is greatly improved, the cracking risk in the cold heading process is effectively reduced, the technology is remarkable in energy-saving and consumption-reducing effect, rolling waste heat is fully utilized for on-line softening, the traditional off-line reheating and annealing procedure is completely omitted, and energy consumption can be saved by about 30% or above.

The invention discloses a loop device of a colored aluminum production line, and belongs to the technical field of sheet processing. The loop device comprises a loop tower, the loop tower comprises a support, the support is provided with a control device used for controlling the loop tower to collect and release colored aluminum, the control device comprises a fixed frame, a movable roller and two reversing rollers, the two reversing rollers are arranged on the two sides of the movable roller respectively, and the movable roller is in sliding connection with the fixed frame through a sliding mechanism. The movable roller and the two reversing rollers are all rotationally connected with the fixing frame, the fixing frame is provided with a balance weight mechanism for pulling the movable roller to move towards one side, and the fixing frame is provided with a detector for detecting the displacement amount of the movable roller. And meanwhile, information is transmitted to the looping tower, so that the looping tower performs corresponding actions to reset the movable roller, and automatic adjustment of the looping tower is realized in this way.

The invention provides a steel belt winding loop device which comprises a machine base placed on the horizontal plane, a first arch frame and a second arch frame which are oppositely arranged are vertically arranged on the machine base, the first arch frame and the second arch frame are each provided with a conveying frame used for assisting in conveying a steel belt, a feeding mechanism is arranged on a first arch, and a discharging mechanism is arranged on a second arch. The center of the feeding mechanism is provided with a steering structure used for changing the conveying direction of a steel belt, the steel belt enters from a conveying frame at the end of the feeding mechanism, surrounds the feeding mechanism and is conveyed to the steering structure to change the conveying direction, the end, protruding out of the feeding mechanism, of the steering structure is connected with a winding mechanism, and the winding mechanism is installed on a second arch frame. The steel belt conveyed by the steering structure is wound on the winding mechanism to be conveyed and stored, the first supporting frame and the second supporting frame are arranged below the feeding mechanism and the winding mechanism correspondingly, the steel belt is driven to be wound while being supported, the loop device is simple in structure, the occupied area of the loop device is greatly reduced, and the space resource utilization rate is increased.

The utility model relates to the technical field of steel production, and provides a wire and bar roller box eccentric sleeve axial adjusting mechanism which comprises a supporting piece, an adjusting assembly and a sliding key, the supporting piece is arranged outside a roller box, the adjusting assembly comprises a connecting piece, a rotating piece and a locking piece, the connecting piece is installed in a roller box hole, the rotating piece is installed on the supporting piece, and the sliding key is arranged on the rotating piece. The rotating piece is fixedly connected with the connecting piece, the locking piece is used for locking rotation of the rotating piece, an eccentric groove is formed in the connecting piece, and one end of the sliding key is arranged in the eccentric groove. The end, close to the eccentric bushing key groove, of the sliding key is designed to be of the rectangular structure, the contact area of the sliding key and the eccentric bushing key groove is increased, abrasion of the sliding key and the eccentric bushing key groove is reduced, the service life of the sliding key and the eccentric bushing is prolonged, the overhaul frequency and the labor intensity of workers are reduced, meanwhile, the cost of spare parts is saved, and the production cost is reduced. And due to the design of the rectangular structure at the end part of the sliding key, the axial adjustment eccentricity is synchronously increased, and the axial adjustment amplitude of the roller box eccentric bushing is increased.

The invention discloses a loop control method for a thick plate to pass through a finishing mill frame, which comprises the following steps of: firstly, presetting a loop angle control program, and automatically triggering the program to compensate the torque output of a loop when the thick plate needs to pass through a certain frame during rolling; when the strip steel does not enter the front rack of the idle rack, the angle of the loop is controlled to be P; when the head of the strip steel passes through the front rack and is in contact with the loop, the loop torque required by the weight of the cross section area of the strip steel is compensated, and the loop torque is continuously adjusted according to the weight of the strip steel pressed on the loop along with advancing of the strip steel; when the strip steel enters the empty rack to bite the steel and delays for 0.5-10 seconds, the angle of the loop is adjusted to be Y; and when the current rack throws steel, the angle of the loop is adjusted to be Z until the strip steel leaves the loop. According to the method, when the thick plate passes through the rack for rolling, the loop angle is automatically fed back and controlled, a gasket does not need to be manually padded when the thick plate passes through the rack for rolling, the man-machine combination safety risk is reduced, and meanwhile the rolling efficiency is improved.

The invention provides an acid rolling unit, and relates to the technical field of steel processing equipment, the acid rolling unit comprises an acid pickling section device and a rolling mill section device, the acid pickling section device comprises an acid pickling inlet device, a welding machine, an acid pickling inlet loop, a withdrawal and straightening machine, an acid pickling process section and a rinsing section which are connected in sequence; the rolling mill section equipment comprises rolling mill inlet equipment, a continuous rolling mill, a composite flying shear and a coiling machine which are sequentially connected, the pickling section equipment and the rolling mill section equipment are connected through a joint loop, the pickling section equipment is arranged in a three-row parallel mode, the arrangement direction of the three rows is perpendicular to the ground plane, and the pickling inlet equipment and the welding machine are arranged in the second row; the pickling inlet loop is arranged in the first row, the withdrawal and straightening machine, the pickling process section and the rinsing section are arranged in the third row, the combined loop is aligned with the second row, the rolling mill inlet equipment is arranged below the ground plane, the pickling section equipment is arranged in a multi-row parallel mode, and part of the rolling mill section equipment is arranged below the ground plane, so that the space is effectively utilized; and the length of the unit is obviously shortened.

The present application relates to a kind of hot galvanizing production line finishing machine roll replacement reduces the method of degraded product, belong to hot galvanizing continuous production process technical field.The technical scheme is: according to the following steps to operate: step one: reduce process section one and process section two strip speed;Step two: when strip weld reaches finishing machine outlet, process section two strip speed reduces to 0 m / min;Step three: replace finishing machine work roll, and flushing is carried out to the work roll after replacement;Step four: after finishing machine work roll flushing is completed, process section two speed strip starts to run with the minimum strip running speed specified by finishing machine, tension leveler and roll coater, when finishing machine, tension leveler and roll coater start finishing, tension leveling and roll coating, process section two strip speed is gradually increased, and intermediate looper is released, until process section one and process section two restore normal production speed.The beneficial effects of the present application are: it can reduce the degraded product of strip due to not finishing when finishing machine roll replacement.

This utility model discloses a support frame base for a front guide for the pinch rolls of a high-speed wire rod mill, comprising a base plate, a connecting plate, and a top plate. By providing limiting devices on two support frames, the front guide column can be fixed by controlling the studs. Combined with the operation of the control screw, the fixing block secures the front guide column. This multi-faceted fixation ensures a robust fixation of the front guide column. Various inner diameter front guides can be designed according to the specifications of the rolled products, while maintaining a consistent shape. This ensures that the same support frame base can accommodate the installation and positioning of front guides and support frames with different inner diameters. It also solves the problem of non-standard distances between the pinch rolls and the cooling guide grooves in the water tank. Furthermore, the structure is simple and easy to assemble and disassemble, thereby reducing replacement and disassembly time, increasing production line operating rate, and reducing the workload of operators.

The invention relates to a digital hot continuous rolling loop evaluation method. The method comprises the steps that the complete control period of a loop is divided into a steady-state control stage, a loop rising control stage and a loop falling control stage; establishing evaluation parameters according to the working parameters in the process of the steady state control stage, the loop rising control stage and the loop falling control stage; setting a reasonable range and an optimal range for each evaluation parameter, and mapping each evaluation parameter into a single score through a preset scoring function; and obtaining the loop control quality standard according to all the single scores. According to the method, comprehensive digital evaluation is formed by decomposing, standardizing and scoring key parameters of the whole loop control process, objective evaluation, accurate management and control, fault early warning and continuous optimization of the loop control effect are achieved by utilizing the periodic trend of the comprehensive digital evaluation, and finally the out-of-control probability of the loop and production accidents are reduced.

The utility model belongs to the technical field of loop equipment, and particularly relates to loop equipment easy to correct, which comprises a mounting seat and loop equipment, the loop equipment is mounted on the left side of the mounting seat, a dismounting device is arranged on the mounting seat, and a correcting device is arranged on the left side of the mounting seat. According to the loop equipment easy to correct, discharging is conducted through the discharging unit, when a metal coil is fed, the surface of the metal coil penetrates through the correcting roller, then an electric lifting rod is started, and a U-shaped frame is pushed to move downwards till the correcting roller in the U-shaped frame moves downwards to make contact with the surface of the metal coil; the friction force generated when the metal coiled material is conveyed drives the rotating shafts in the two straightening rollers to rotate in the fixed bearings, so that the slightly-deformed part on the metal coiled material is pressed and straightened through the two straightening rollers, the device can adapt to the metal coiled materials with different thicknesses, and the application range of the device is widened.

The utility model discloses a high-speed wire rod rolling mill side movable loop inlet air passing pipe, which relates to the technical field of ferrous metallurgy high-speed wire rod rolling mills, and comprises an air passing guide pipe and an eccentric wheel, the air passing guide pipe is arranged between a shear body and a measuring sleeve body of a high-speed wire rod rolling mill, so that a rolled piece penetrates through the air passing guide pipe to enter the measuring sleeve body; a side pushing hole is formed in the bottom of the empty guide pipe; the side pushing device has the advantages that the structure is simple, the trend of the head of a rolled piece is effectively guided, and the tail of the rolled piece is effectively prevented from being drifted.

A system for use in a rolling mill is disclosed that includes (a) a roll holder housing a plurality of rollers, and (b) a smart module coupled to the roll holder that includes (1) a power source for powering the smart module, (2) a microcontroller, (3) a motor for moving the roll holder and thereby controlling the position of the plurality of rollers based on instructions from the microcontroller, (4) one or more position sensors for detecting the position of the roll holder, and (5) a communications module that communicates with a central control computer to (i) communicate the position of the roll holder and other sensor data to the central control computer and (ii) receive instructions from the central control computer for controlling the position of the roll holder.

The present application relates to a kind of hot-rolled stainless steel annealing pickling line, including uncoiler, welding machine, deviation rectifying roller, loop, annealing furnace, pickling unit and coiler in turn along the strip running direction, and multiple groups of tension roller group and steering roller are distributed in the line, and heating device is arranged at least one of welding machine outlet, the outlet side of deviation rectifying roller, the inlet side of at least part of steering roller and the inlet side of at least part of tension roller group, to heat the strip at corresponding position to above hard brittle point temperature.The present application avoids hard brittle point temperature of strip by arranging heating device in the line and carries out fast reheat to the strip at corresponding position, especially avoids that strip is welded at hard brittle point temperature, strip steering, tension, coiling and the like, can effectively avoid weld tear, strip edge crack or strip breakage and the like, can realize high-grade strip high-speed stable operation, solve the problem that existing unit cannot normally continuous production in low temperature environment.

An adaptive loop steel wire rope supporting vehicle, comprising a vehicle body (1), a supporting frame (2), and two swing frames (3). Two travel contact members (4) are arranged on the supporting frame and are used for being in adaptive contact with a steel wire rope when the steel wire rope travels; each swing frame is provided with a state switching unit used for switching the swing frame between a free state and a locking state; each swing frame is provided with a return contact member (5) and a follow-up contact member (6); the two return contact members are used for being in adaptive contact with the steel wire rope on the swing frames in the locking state when the steel wire rope returns; and the two follow-up contact members are used for being in adaptive contact with the steel wire rope on the swing frames in the free state. Also provided is a loop steel wire rope supporting system. The natural opening angle between the two cables on the loop steel wire rope is used to design the travel contact members and the return contact members on the supporting vehicle, so that the supporting vehicle can automatically stop or follow up by adapting to the movement of the steel wire rope; the adaption of the supporting position of the supporting vehicle is ensured, and the supporting vehicle has high positioning accuracy and high working reliability; and additional power is not needed.

The utility model provides a bottom plate processing device for a production line, which belongs to the field of bottom plate processing and comprises a support, a conveying belt is arranged on the inner wall of the support, and one end of the bottom of the support is connected with a mounting plate on one side of a bearing table in a clamping manner. The four corners of the top of the bearing table are fixedly connected with the bottom of a top plate through supporting rods, T-shaped grooves are formed in the two sides of the bottom of the top plate, and adjusting assemblies are arranged on the inner walls of the two T-shaped grooves. A plurality of electric telescopic rods at one ends of a plurality of strip-shaped blocks are matched with a plurality of hinge seats to drive a plurality of connecting pieces to move, the connecting pieces are matched with a plurality of mounting rings to drive two fixing shafts to rotate in two sets of shaft sleeves on the inner walls of two mounting grooves, and meanwhile the connecting pieces drive two strip-shaped shells to move; the two strip-shaped shells drive the multiple bearing heads to move, so that the bottom plate falls into the material collecting box, the material collecting box is matched with the two sets of moving wheels to move, and follow-up transportation is facilitated.

The utility model provides a loop side spraying structure and system, including spraying assembly, adjusting assembly, drainage assembly and base, the base is used for connecting to one side of loop structure, the base is provided with the chute, adjusting assembly is vertically and movably connected in the chute, the water outlet end of spraying assembly is arranged towards the loop structure, the drainage assembly is arranged in the chute. The spraying assembly is rotatably connected to the top of the adjusting assembly, the drainage assembly is used for being connected to the other side of the loop structure in the transverse direction and is provided with a drainage channel, and the water inlet end of the drainage channel and the water outlet end of the spraying assembly are arranged in a spaced mode in the transverse direction. In this way, the slab can be cleaned in the transverse direction of the loop, the spraying effect is improved, the spraying height and the spraying angle of the spraying assembly can be flexibly adjusted in combination with the adjusting assembly, the adaptable spraying range is expanded, and the structural adaptability is improved; and the sprayed water, foreign matters and water mist are collected in time under the action of the drainage assembly, and are drained to change the movement direction, so that the production efficiency is improved.

The utility model relates to the technical field of plate drilling equipment, and discloses a plate anti-deformation drilling device which comprises a workbench, a moving groove is formed in the workbench, a moving screw rod is rotatably arranged in the moving groove, and a U-shaped seat is in threaded connection with the outer side of the moving screw rod; electric push rods are fixedly mounted at the two ends of the top end of the U-shaped seat, a same transverse plate is fixedly mounted at the output ends of the two electric push rods, a sliding groove is formed in the bottom of the transverse plate, a sliding lead screw is rotatably arranged in the sliding groove, and a sliding seat is in threaded connection with the outer side of the sliding lead screw; a drilling assembly is fixedly mounted at the bottom of the sliding seat; the movable groove is formed in the workbench, and the movable screw rod, the movable motor, the U-shaped base, the supporting plate and the drilling groove are arranged in a matched mode, so that different drilling positions of a plate can be supported, the plate is prevented from being bent due to drilling of the drilling assembly, and the machining quality of the plate is improved.

This invention relates to an adaptive looper cable support vehicle and a looper cable support system. The support vehicle includes a vehicle body, a support frame, and two swing frames. The support frame is equipped with two outgoing contact members for adaptive contact with the cable during its outgoing journey. Each swing frame is equipped with a state switching unit, allowing it to switch between a free state and a locked state. Each swing frame has one return contact member and one follower contact member. The two return contact members are used for adaptive contact with the cable on the locked swing frame during its return journey, while the two follower contact members are used for adaptive contact with the cable on the free swing frame. This invention utilizes the natural angle between the two cables of the looper cable in the design of the outgoing and return contact members on the support vehicle, enabling the support vehicle to automatically stop or follow the cable's movement, ensuring adaptive support position, high positioning accuracy, high operational reliability, and requiring no additional power.

The invention discloses a heating, heat preservation and slow cooling system for an air cooling line, and relates to the field of heat preservation and slow cooling of the air cooling line. The heating, heat preservation and slow cooling system for the air cooling line comprises a main support, a silking machine is arranged on the right side of the top of the main support, a coiling assembly is arranged on the main support on the left side of the silking machine, and a conveying roller way assembly is arranged on the left side of the coiling assembly; an air cooling line head roller way is arranged between the conveying roller way assembly and the coiling assembly for communication, a plurality of sets of heat preservation plates are arranged above the conveying roller way assembly, a ceramic heating unit is arranged below the heat preservation plates, a top cover is arranged above the ceramic heating unit, a plurality of sets of threading pipes are arranged above the top cover, and a plurality of sets of air coolers are communicated with the lower portion of the conveying assembly. Transfer assemblies and coil collecting stations are arranged on the front side and the rear side of the main support. Through the ceramic heating unit and the heat preservation cover, the temperature in the heat preservation cover is stably controlled within the range of 500-850 DEG C, the temperature can be accurately adjusted and controlled, the slow cooling difference problem caused by seasonal changes is solved, and the influence of environment temperature fluctuation is counteracted.

The utility model relates to the field of vertical loops, and discloses a novel dust cover of a vertical loop, which comprises a loop car, a handrail is fixedly connected to the upper surface of the loop car, a loop roller is arranged on the upper surface of the loop car, a positioning component is arranged on the rear surface of the handrail, the positioning component comprises a C-shaped track, and the C-shaped track is fixedly connected with the handrail. A supporting rod is arranged on the rear surface of the C-shaped rail, a quick release assembly is arranged on the lower surface of the supporting rod, a first positioning block is slidably connected to the upper surface of the supporting rod, a first positioning rod is hinged to the upper surface of the first positioning block, and a second positioning block is slidably connected to the upper surface of the supporting rod. According to the utility model, through the cooperation of the positioning assembly, the hand wheel is rotated to drive the bidirectional threaded rod to rotate, so that the positioning block I and the positioning block II synchronously contract or expand, and the positioning rod I and the positioning rod II can be driven to rotate and the supporting rod can be driven to move, thereby realizing the flexible storage or opening of the protective tarpaulin, and enhancing the practicability and convenience of the device.

The application provides a wire coil type control method and system, relates to the technical field of a steel rolling device, and comprises the following steps: issuing a baffle control instruction through an operation interface; sending the baffle control instruction to a programmable logic controller (PLC); the programmable logic controller (PLC) comprehensively judges the baffle control instruction, field conditions, interlocking signals and limit signals, and outputs a control signal; the output control signal is applied to a baffle execution mechanism to drive the baffle to perform opening or closing actions; position feedback on the baffle execution mechanism, limit switches, running states and fault signals are fed back to the PLC in real time to form a position and state closed loop; and the PLC uploads collected baffle actual opening degrees, running states and fault information data to an upper picture. The method and system have remarkable advantages in production efficiency, cost control and safe operation.

The application discloses a method for solving the oscillation caused by the mutual interference between a torque ring and a approaching controller in loop control, which comprises the following steps: setting an angular velocity oscillation detection counter and a time counter; starting the time counter after the loop is completed; simultaneously, detecting whether the loop oscillation is generated by a detection system in real time, and when the loop oscillation is generated, the angular velocity oscillation detection counter captures the time when the loop oscillation is generated in real time and records the time; and based on the counting results of the time counter and the angular velocity oscillation detection counter, the approaching controller is disabled in time to prevent the continuous oscillation of the torque ring and the approaching controller. The method can solve the oscillation problem caused by the mutual interference between the loop torque ring and the approaching controller.