167results about "Rolling safety devices" patented technology

The present application relates to hot strip production process technical field, specifically to a kind of coreless hot coil box open tail folding processing method, comprising: receiving intermediate blank thickness, for the equipment preset of hot coil box;After hot coil box completes coiling and uncoiling, when the hot metal detector HMD at the outlet of hot coil box becomes OFF state, according to the distance of slab tail reaching flying shear is calculated based on speed parameter;The thickness of slab tail is detected using pinch roll at the outlet of hot coil box;When the thickness of slab tail is detected and the thickness mutation value reaches the threshold range of preset, it is determined that tail uncoiling fails, and an abnormal instruction is sent to flying shear cutting system;After flying shear cutting system receives the abnormal instruction, on the basis of preset cutting gauge length, increase compensation length, generate updated tail cutting length;Flying shear cutting system starts cutting according to updated tail cutting length, so that actual cutting position avoids folding part of slab tail.The present application avoids flying shear blade collapse even mill broken roll accident.

This invention belongs to the field of optical inspection technology for roll surfaces, and specifically discloses a laser optical inspection device for roll surfaces. This device includes an operating table with a mounting base on top, on which a workpiece is mounted. A mounting frame, driven by a drive structure, is positioned behind the mounting base and has two laser probes mounted on it for inspecting the workpiece. This invention uses a drive mechanism to switch between the two laser probes on the mounting frame, allowing the probes to inspect cold and hot rolls separately without frequent downtime for adjustments, thus improving inspection efficiency. Furthermore, after switching, the mounting frame is supported and fixed by a support structure, improving the stability of the mounting frame and laser probes after switching. This prevents probe misalignment and shaking caused by equipment vibration or roll rotation, avoiding optical path deviation and increased measurement errors, and ultimately improving inspection accuracy.

This invention relates to a modular rolling mill health status monitoring system, belonging to the field of metallurgical machinery equipment monitoring. It includes a rolling mill body, a weighing module, and a monitoring module. The rolling mill body consists of a work base, rolls, and bearings. The weighing module is located below the work base, and the monitoring module is located at the rolls. The weighing module includes a base plate, which is connected to a collection trough via a pressure sensor. A connecting rod is connected to the side wall of the base plate and is connected to the bottom of the work base. The pressure sensor signal is connected to a controller, and the controller signal is connected to a display module. The monitoring module includes a resolver sensor and a vibration sensor, both connected inside the rolls and connected to the controller signal. This invention acquires digital signals by monitoring the condition of the rolls and bearings, enabling the detection of the rolling mill's health status and simultaneous monitoring of multiple parameters. This provides a basis for predicting the remaining service life of the rolling mill, saving resources and time costs.

The embodiment of the invention provides a cooling bed movable rack automatic centering system and method.The system comprises a plurality of rack adjusting units, a movable detection device and a central controller, the central controller is in communication connection with the rack adjusting units and the movable detection device, and the rack adjusting units are arranged on a cooling bed movable beam; the movement detection device is used for detecting information of a movable rack on the rack adjusting unit, and the central controller is used for receiving the information of the movable rack, analyzing the dislocation state of the movable rack and controlling the rack adjusting unit to adjust the movable rack when the movable rack is dislocated. The rack dislocation can be automatically identified and accurate centering can be completed under the condition of non-stop or transient stop, so that production accidents caused by rack dislocation are fundamentally eliminated.

The application discloses a kind of anti-collision devices for clamping cylinder, one end of connecting sleeve is fixedly connected with the output end of cylinder body, and the open area of connecting sleeve is towards the end face of bearing seat;Connecting shaft passes through the open area of connecting sleeve, and is fixedly connected with connecting sleeve;Roller bearing is arranged on the periphery of connecting shaft, and part of the circumferential surface of roller bearing abuts against bearing seat;Multiple constraint components are arranged between roller bearing and connecting sleeve, sleeve is fixedly arranged in the inside of connecting shaft, one end of sleeve is communicated with the connecting portion of connecting shaft and roller bearing, and the other end of sleeve extends to the outside of connecting shaft;Oil cup is arranged on one end of sleeve and communicated with sleeve.The application reduces the direct impact of bearing seat on the output end of cylinder body through the rolling contact between roller bearing and the end face of bearing seat, and ensures the structural integrity of the output end of cylinder body.Multiple constraint components are arranged between roller bearing and connecting sleeve, and stable contact between roller bearing and the end face of bearing seat is ensured through axial limiting, to avoid asymmetric stress caused by axial deviation.

The application discloses a finishing rolling unit for hot continuous rolling and relates to the technical field of rolling mills, which comprises a bottom plate, a material guide frame is arranged at the top end of the bottom plate, a width-limiting and trimming mechanism is arranged at the top end of the material guide frame, the width-limiting and trimming mechanism comprises side plates, the side plates are symmetrically clamped at the two ends of the material guide frame, a transmission box is clamped on the inner wall of the side plate, traction discs are rotationally connected to the top end and the bottom end in the transmission box, the structure of the application is scientific and reasonable, safe and convenient to use, the width-limiting and trimming mechanism is arranged, the connecting rods are rotated by driving motors, power is transmitted by using the caterpillar belts, the two connecting rods drive the two hexagonal rods to rotate together, the hexagonal rods force the inner hexagonal sleeves and half-toothed rings to rotate, then the half-toothed rings force the horizontal frames and the limiting rods to slide back and forth along the inner wall of the vertical plate by the cooperation of the tooth protrusions, then the horizontal frames and the limiting rods further transmit power by the cooperation of the tooth plates.

The application discloses a coiling furnace guide plate and belongs to the technical field of coiling furnace equipment, which comprises a guide plate body, a through hole is formed in the guide plate body along the length direction, a flow guide groove is arranged in the through hole, the flow guide groove penetrates through both ends of the guide plate body, and a plurality of wear-resistant plates are connected to the surface of the guide plate body through a plurality of supports. The guide plate has the advantages of simple structure, convenient use, integral structure, effectively improved strength, eliminated problematic parts in the middle connection, prolonged service life and reduced failure rate, and the production can be ensured to proceed smoothly.

The utility model relates to the technical field of forging equipment, and provides a cone roller split mechanism and a ring rolling mill, the cone roller split mechanism comprises a rack, a rotating shaft, a connecting rod, a cone roller, a hydraulic nut and a fastener, the connecting rod penetrates through the rotating shaft; the conical roller and the hydraulic nut are oppositely arranged at the two ends of the connecting rod and are connected in a threaded screwing mode. The fastener is arranged on the hydraulic nut and used for limiting the stroke of the hydraulic nut. The conical roller and the hydraulic nut are arranged at the two ends of the connecting rod, so that the conical roller can be tensioned through the connecting rod by pressurizing the hydraulic nut, and the conical roller and the rotating shaft are fixed; meanwhile, the connecting rod is connected with the conical roller in a screwed mode through threads, the hydraulic nut serves as a pressurizing piece, the conical roller can be loosened after pressure relief, and therefore the conical roller can be disassembled conveniently, and the structure is simple; and the hydraulic nut of the structure is located on the outer side, overhauling and maintenance can be continued conveniently, and application convenience can be improved.

The utility model discloses a blanking buffer device of a steel pipe cooling bed, which relates to the technical field of steel pipe blanking auxiliary equipment and comprises a blanking arm, two sides of the blanking arm are respectively and fixedly provided with a material guiding row-up plate, the upper half part of each material guiding row-up plate is respectively provided with a first mounting port and a second mounting port, a blanking support block is rotatably mounted at the first mounting port, and the blanking support block is rotatably mounted at the second mounting port. A buffer block is rotatably mounted at the second mounting opening, a buffer structure connected with the buffer block is fixed to the lower end of the second mounting opening and comprises a U-shaped rod fixed to the lower end of the second mounting opening, a U-shaped seat is fixed to the horizontal section of the U-shaped rod, a sleeve is rotatably connected to the inner side of the U-shaped seat through a connecting pin, and a connecting rod is rotatably connected to the lower end of the buffer block; and the connecting rod is inserted into the sleeve in a sliding manner. According to the utility model, through on-line use, after the pipe body is subjected to secondary buffering, the pipe body falls stably, so that inertial impact is avoided, the use requirement of blanking of the blanking arm of the cooling bed is met, and the operation stability of equipment is improved.

The invention provides a finish rolling water-cooling inlet guide which comprises a supporting piece, a water-cooling inlet guide and guard device and a water-cooling inlet guide and guard device, the supporting piece is located at the bottom of a to-be-guided steel belt, and the upper end face of the supporting piece abuts against the lower end face of the steel belt; the two sets of guiding pieces are symmetrically arranged on the two sides of the supporting piece, the two sets of guiding pieces and the supporting piece form a guiding channel, and the steel belt moves into the roller at the outlet end of the guiding piece from the inlet end of the guiding piece in the arrangement direction of the guiding channel; the supporting piece and the guiding piece are both installed on the base; cooling structures are arranged in the supporting piece and the guiding piece. The device has the beneficial effects that heat on the guide is taken away through circulating water, so that the service life of the guide is prolonged, the production cost is reduced, the safety and stability of equipment are improved, and the production efficiency is improved.

The invention discloses a roller peeling real-time monitoring and automatic shutdown control method. The method comprises the steps that real-time rolling force data are obtained; rolling force prediction data are obtained based on the real-time rolling force data and a trained ARIMA rolling force prediction model; obtaining a first rolling force absolute deviation according to the real-time rolling force data and the rolling force prediction data; and carrying out real-time monitoring and automatic shutdown control on the peeling state of the roller based on the first rolling force absolute deviation and a rolling force absolute deviation threshold value. By means of the method, further expansion of production accidents such as roller breakage caused by the fact that a rolling mill continues to operate due to the fact that roller stripping is not found in time on site can be prevented, and the consumption cost of the on-site roller is reduced; and meanwhile, the accident shutdown time caused by roller stripping on site can be greatly shortened, quick response can be achieved after the roller is abnormally stripped, automatic shutdown is achieved, and the accident shutdown time caused by roller stripping and damage to rolling mill equipment are shortened within the maximum range.

The invention provides a method for matching the continuous rolling speed of a roughing mill and a finishing mill, which comprises the following steps: S1, acquiring the running speed information of a first finishing mill in real time, the running speed information comprising a roller linear speed obtained by a speed measurement encoder mounted on a motor of an F1 mill; the speed of the rolled piece at the inlet of the rolling mill is obtained through a speed measuring encoder arranged on an outlet pinch roll of the finish rolling descaling box; s2, target values of outlet speeds of rolled pieces of the roughing mill in different rolling stages are calculated and set, and stepped speed control reference values of roller ways in all areas between an outlet of the roughing mill and an inlet of a finishing mill are calculated and set; and S3, according to the target value of the speed and the stepped speed control reference value set in the step S2, a roughing mill, a finishing mill and all sections of roller ways are controlled in a linkage mode. On the premise that the hot rolling production and use precision is guaranteed, it is guaranteed that the roughing mill and the finish rolling first mill work synchronously at the same speed, the roughing and finish rolling continuous rolling function is achieved, and the rolling rhythm is improved.

The invention provides a multi-node pressure monitoring temper mill AGC hydraulic safety protection device and method, and relates to the field of cold-rolled sheet production equipment in the metallurgical industry. The problems that an existing AGC hydraulic system lacks real-time pressure monitoring, and a hydraulic cylinder is overloaded and exploded due to response delay of an overflow valve are solved. According to the device, through cooperative work of a triple pressure monitoring module, a signal processing module, a grading protection execution module and a reset self-checking module, three monitoring points are deployed at key nodes of a hydraulic loop, and rapid protection and fault positioning after pressure overrun are achieved in combination with millisecond-level signal processing and grading protection logic. According to the corresponding protection method, monitoring point installation, signal processing, protection triggering and system resetting are completed according to a standardized process. According to the invention, based on the redundancy design of triple pressure monitoring nodes and a millisecond-level response mechanism, comprehensive improvement of safety performance, operation benefits and system reliability is realized.

The utility model discloses a compact high -speed rolling loop support mechanism relates to the rolling technical field of metal. A compact high -speed rolling loop support mechanism, including loop platform, the inside installation of loop platform has the loop roller subassembly, and the support replacement structure is located on loop platform, and the support replacement structure includes the installation base, the support base and four bolts, and the support base fixedly connected in the bottom of loop platform, and the both sides of installation base and support base all are fixedly connected with two fixed plates, and wherein corresponding two fixed plates are fixedly connected through two bolts, the utility model discloses setting the replaceable buffer pad on the support base, and the buffer pad can effectively alleviate the impact and friction between support mechanism and ground, and most impact force and friction force are dispersed, and the damage to support base body is reduced, and the buffer pad can be individually replaced after wearing, the support base is avoided and is overall scrapped because of partial wear, and the service life of support seat is further prolonged.

The utility model discloses a rolling mill spraying device with a splash-proof mechanism, and relates to the field of rolling mill spraying, the rolling mill spraying device comprises side plates and a top plate, the two sides of the bottom of the top plate are fixedly connected with second bosses, the upper ends and the right ends of the side plates are provided with connecting grooves, when the rolling mill spraying device is used, the second bosses of the top plate are embedded into the connecting grooves of the two side plates, and the splash-proof mechanism is arranged on the top plate. The connecting screws are used for fixing, the formed structure can prevent liquid from splashing, and the length of the device can be controlled through mutual connection of the multiple side plates; moreover, the side plates are provided with moving wheels controlled to lift by a hydraulic device, and the top plate is provided with a handle convenient for mechanical lifting, so that the assembly can be easily realized; and the spraying function of the device can be realized through the connection of the water pump at the top, the spraying pipeline and the spraying opening. The comprehensive detachable and assembled design provides a solution for the field of splashing prevention of the spraying device of the rolling mill, and the spraying device has high flexibility in use.

This utility model discloses an online roller cleaning device for pressing electrodes, relating to the technical field of electrode processing equipment. It solves the problems of incomplete cleaning and localized particle adhesion to the rollers inherent in existing technologies. The device includes a frame with upper and lower rollers for pressing electrodes. A laser cleaning component and a protective cover are also connected to the frame. The laser cleaning component cleans the coating material on the corresponding roller using laser light. The protective cover has slits for the laser to pass through and slides parallel to the laser irradiation direction, connected to the frame. One side of the protective cover covers the corresponding roller, and the sliding path of this side's axis of symmetry is arranged radially along the corresponding roller. This device improves the cleaning effect of the coating material on the rollers. By replacing the scraper mechanism with a laser cleaning device, and placing the laser cleaning device below the lower roller and above the upper roller, the laser energy can be adjusted to remove the coating material adhering to the rollers without damaging them.

The utility model belongs to the technical field of water spray dust removal control, and particularly relates to a foldable water spray dust removal device which comprises a machine body, four supporting plates are welded to the left side of the machine body, and a rotating shaft is rotationally connected between every two opposite supporting plates. The motor is started, the motor drives the corresponding connecting plate to rotate through the rotating shaft, the connecting plate drives the upper spray head to rotate, the other connecting plate drives the lower spray head to rotate through the water distribution pipe, the connecting plate rotates to the left side of the machine body, and at the moment, the motor stops working, so that the device can be easily opened when rollers of the machine body are replaced or hole patterns are adjusted; the folding device is folded after being used, unnecessary disassembly caused by fixed installation of the device is eliminated, the labor intensity is reduced, the labor intensity of field personnel is reduced, the probability of safety accidents is reduced, the working efficiency is improved, and the folding structure is easy to use and convenient to adjust and meets the requirement for the complex field working environment.

The utility model relates to the technical field of bearing box discloses a work roll bearing box, including bearing body, bearing body places on bearing assembly, is provided with the slide rail on bearing assembly, the slide rail is connected with lifting assembly on the sliding, is installed with bearing box body and collection subassembly on lifting assembly, still be provided with control center on bearing assembly, in the utility model, through setting up collection subassembly to the central bore of bearing box body carries out the shooting, the picture after shooting is transmitted to control center, thereby being convenient for control center to judge the situation of central bore, promptly feedback to the staff current bearing box body's central bore's abrasion situation, is convenient for staff timely replacement, avoids the central bore of bearing box body and occurs distortion and leads to more serious vibration and abrasion of generation.

The application discloses a method for preventing hydraulic steel pulling from being weak on a steel separating roller, relates to the field of steel separating, and solves the technical problem that sticking of contacts of an existing intermediate relay can cause slow and weak action of a steel pulling claw. The system comprises a control circuit for controlling each intermediate relay and a main circuit for controlling the intermediate relay in an action process according to the corresponding control circuit. The application further discloses a system for preventing hydraulic steel pulling from being weak on a steel separating roller. The application can prevent the sticking of a single contact and the situation that actual action is not completely stopped.

The application discloses a working roller eddy current detection device and a detection abnormality treatment method thereof, and relates to the technical field of rolling equipment detection. The device comprises an eddy current probe, a position sensor, a control unit, a compressed air blowing device and an electronic display screen. The position sensor is arranged on both sides of the eddy current probe to detect the distance between the probe and the surface of the working roller. The control unit controls the probe to keep a preset distance from the roller surface according to the detection data. The compressed air blowing device is arranged above the probe to blow the roller surface to remove contaminants. The electronic display screen is provided with a hierarchical color display system, and the display color is automatically switched according to the crack value threshold. The application realizes non-contact detection, avoids damage to the probe, removes contaminants in real time, improves detection accuracy, enables the operator to quickly identify the defect grade through hierarchical display, and reduces the accidents of burst roller and broken belt.

The utility model discloses a rolling mill guard plate displacement detection device based on a proximity switch. The rolling mill guard plate displacement detection device comprises a weight, a connecting piece, the proximity switch, a check block, a sleeve, a fixing sleeve, a rotating wheel, a pin, a support, a support base, a welding bottom plate, a guide plate and a hydraulic cylinder. The support base is arranged at the upper end of the welding bottom plate, the support is arranged on the side of the support base, the rotating wheel is fixed to the support through a pin, one end of the connecting piece is connected with a heavy object, the other end of the connecting piece bypasses the rotating wheel to be connected with one end of the guard plate, and the other end of the guard plate is movably connected with the lower end of the guide plate. Holes are formed in the middles of the sleeves, the sleeves penetrate through the connecting piece and are fixed, and the check block is located between the two sleeves and tightly attached to the sleeves; the proximity switch is arranged on the side of the guide plate; the hydraulic cylinder is arranged between the guard plate and the guide plate, one end of the hydraulic cylinder is connected with the guard plate, and the other end of the hydraulic cylinder is connected with the guide plate. The device has the advantages of being small in occupied space, sensitive in guard plate detection action and long in service life.

The application discloses a kind of plate strip hot rolling mill electric screwdown anti-rotation devices, including rolling mill housing, thrust bearing seat and upper roll bearing seat, upper roll bearing seat is set in the lower side of thrust bearing seat, and protective cover is arranged between thrust bearing seat and rolling mill housing, and the screwdown screw connected with thrust bearing seat is arranged in the lower side of rolling mill housing, one support is respectively arranged in the opposite side surface of two thrust bearing seat, anti-rotation crossbeam is installed between two supports, long hole is symmetrically opened in the side surface both ends of anti-rotation crossbeam, pin hole is opened in the side surface of support corresponding with long hole, and support and anti-rotation crossbeam are fixed by pin, and detection device is arranged on anti-rotation crossbeam.In the thrust bearing seat installation support, the thrust bearing seat of both sides is connected by anti-rotation crossbeam, can play the role of preventing the rotation of thrust bearing seat, effectively avoid the problem that traditional anti-rotation bracket is seriously scratched on the surface of housing window.

This invention discloses a high-quality aluminum profile rolling apparatus and method, relating to the field of metal rolling processing technology. It includes a frame, guide rails, support rollers, and a hydraulic pressing assembly, as well as a segmented electrothermal expansion roller assembly and a self-cleaning assembly. The segmented electrothermal expansion roller assembly is arranged in two groups, upper and lower, and mounted in the middle of the frame. Each group of segmented electrothermal expansion roller assemblies includes two first bearing seats, a rigid mandrel, and a roller sleeve. The rigid mandrel is supported at both ends by the two first bearing seats. Multiple nickel-chromium heating layers, multiple copper heat-conducting layers, and multiple heat-insulating spacer rings are sequentially arranged axially on the outer side of the rigid mandrel. Heat-insulating spacer rings are spaced between adjacent sections of the multiple nickel-chromium heating layers. Temperature sensors are installed on each of the multiple copper heat-conducting layers. Through the segmented electrothermal expansion roller assembly and the follow-up self-cleaning assembly, the problems of insufficient roller deflection compensation accuracy, easy leakage of hydraulic seals, poor roller surface cleaning adaptability, and interference of detection components in existing rolling apparatuses are improved, thereby enhancing the shape control accuracy and operational stability.

The present application belongs to the field of hot rolling, and particularly relates to a device and method for preventing hot-rolled strip from being scratched on an output roller way. The present application provides a device for preventing hot-rolled strip from being scratched on an output roller way. The device for preventing hot-rolled strip from being scratched on an output roller way is arranged on a strip hot rolling mill, and comprises a plurality of Hall current transformers, a first temperature sensor, a second temperature sensor and a control center. Wherein, one Hall current transformer is arranged on a power transmission line of a motor corresponding to each roller way of the strip hot rolling mill. One first temperature sensor is installed on a bearing end of each motor. One second temperature sensor is installed on a bearing end of each roller way. The control center is electrically connected with the plurality of Hall current transformers, the plurality of first temperature sensors and the second temperature sensors.

The invention discloses a high-speed and high-rigidity rolling mill control method and device. The method comprises the steps that the real-time linear speed of a rolled piece at an outlet of a first rolling mill in a high-speed and high-rigidity production line and the torque feedback value of the rolling mill are obtained in real time; determining a first prediction moment and a second prediction moment; opening a compensation torque control window; the compensation torque is controlled to be input into the second rolling mill in a linear increasing mode within the first preset duration; after a first preset duration, continuously inputting the compensation torque with a preset compensation torque value until the detection result shows that steel exists at the hot metal detector at the outlet of the second rolling mill or a second prediction moment is reached, closing the compensation torque control window, and controlling the compensation torque to be cancelled from the preset compensation torque value to zero according to a preset gradient, according to the method, moment compensation can be carried out on impact load during steel biting of a rolled piece in time, the control precision, the rolling effect and the stability of the high-speed and high-rigidity rolling mill are improved, and steel piling accidents are avoided.

The utility model relates to the field of aluminum coil rolling oil recovery, in particular to a rolling oil heat treatment recovery device which comprises an aluminum coil. The multiple sets of rollers are arranged, the aluminum coils penetrate through the positions between the rollers, rolling oil is arranged on the surfaces of the rollers, and rolling of the aluminum coils is achieved through the rollers; the carrier roller is arranged on the rear side of the roller and used for supporting the rolled aluminum coil; and the heat treatment recovery mechanism is arranged on the carrier roller and is used for accelerating volatilization of the rolling oil through high temperature and collecting the rolling oil to a full oil recovery absorption tower for further treatment. The method has the advantages that 1, the explosion environment formed by volatilization of residual rolling oil on the upper surface of the aluminum plate in the stretch bending straightening process is avoided; 2, the aluminum plate is prevented from being rolled into an aluminum coil again, and residual rolling oil on the upper surface of the aluminum plate seeps out of the aluminum coil and volatilizes to form an explosion environment through friction extrusion; and thirdly, other potential safety hazards caused by the fact that ground oil is easy to slip in the storage process of the aluminum plate are avoided.

The application provides a rolling mill multi-working condition vibration data acquisition system and method, and relates to the technical field of mechanical equipment, comprising: a main collector arranged at a first rolling mill working position; a plurality of slave collectors arranged at subsequent rolling mill working positions and in communication connection with the main collector through a network; the main collector identifies four working conditions of steel billet biting, rolling, throwing and passing according to temperature changes detected by an infrared temperature sensor, and triggers vibration signal acquisition under different working conditions respectively, and broadcasts working condition identification signals to each slave collector, so that each slave collector collects vibration data of corresponding working conditions after delaying for a set time according to the working position. The application improves the fault diagnosis effect of hot rolling finishing mill group, product production quality, reduces energy consumption and improves equipment wear and tear.

The application relates to a reinforcing steel bar hot rolling device and belongs to the field of hot rolling equipment. The device comprises a descaling box body and a hot rolling device which are sequentially arranged along the processing direction of a steel billet; a displacement frame is slidably arranged in the descaling box body; a plurality of cleaning units are slidably arranged on the displacement frame along the radial direction of the steel billet; a plurality of positioning units are slidably arranged in the descaling box body along the radial direction of the steel billet; a guide roller is rotatably arranged in the descaling box body; a driving motor is arranged on the descaling box body; the power output end of the driving motor is coaxially connected with the guide roller; the positioning units, the cleaning units and the guide roller are sequentially arranged along the processing direction of the steel billet; a baffle is slidably connected to the positioning unit; the baffle is provided with a receiving part; the receiving part is opposite to the cleaning unit; the application has the technical effects of uniform steel billet surface cleaning and strong cleaning effect.

The utility model discloses a profile steel guide wheel cooling device, which belongs to the technical field of profile steel production and comprises a water feeding main pipe and water feeding branch pipes. One end of the main water feeding pipe is connected with a water conveying pipeline, and the other end of the main water feeding pipe is connected with the branch water feeding pipe; the number of the water feeding pipe branch pipes is at least two, and the position of each water feeding pipe branch pipe corresponds to one guide wheel. Nozzles for spraying cooling water to the guide wheels are arranged on the branch pipes of the water feeding pipe; and timely and effective cooling is ensured, and various thermal faults, such as bearing overheating and lubricating oil failure, which are easily caused by the guide wheel running at high temperature are reduced, so that the abrasion and aging of the guide wheel caused by high temperature can be reduced, the service life of the guide wheel is prolonged, the replacement frequency is reduced, and the production cost is reduced.

The utility model discloses an inlet sliding guide and guard cooling water pipe, belongs to the technical field of steel rolling, and solves the problems that an inlet guide and guard wear-resistant block is extremely easy to wear, crack or adhere to iron due to the influence of friction of a high-temperature rolled piece in the conventional guide and guard assembly, so that the guide and guard is damaged, the guide and guard is frequently replaced, and the stable operation of production is seriously influenced. The cooling device comprises the quick connector, the L-shaped bent pipe, the water nozzles, the base and the like, the cooling water pipe is assembled on the guide and guard upper cover plate, the two water nozzles on the two sides of the L-shaped bent pipe extend to the positions between the guide and guard upper cover plate and the two side plates, cooling water sprayed out of the water nozzles is sprayed to the guide and guard wear-resisting blocks on the two sides, and the cooling and lubricating effects are always achieved; high-temperature and low-temperature alternate deformation of the guide wear-resisting block is reduced, abrasion of the guide wear-resisting block is greatly reduced, breakage of the guide wear-resisting block is eradicated, the on-line service life of the guide is prolonged, consumption of guide accessories is reduced, the number of times of replacing the guide is reduced, and operation efficiency is improved.