310results about "Rolling safety devices" patented technology

The invention discloses a high-precision same-turning roller adjusting mechanism and a pre-stressed rolling mill. The two racks are symmetrically arranged; bearing seat adjusting devices are installed on the portions, corresponding to the two sides of the upper bearing seat, of each rack, and two second-stage worm and gear reduction gearboxes are arranged on the portions, corresponding to the upper bearing seat adjusting devices, of the top of each rack. A first-stage worm and gear reduction gearbox is arranged between the two second-stage worm and gear reduction gearboxes of each rack; worms of the two primary worm and gear reduction gearboxes are connected together through a connecting assembly and used for being connected with a driving device. The two axial sides of a worm wheel of each first-stage worm and gear reduction gearbox extend out to be coaxial with a worm of the corresponding second-stage worm and gear reduction gearbox. And a worm gear of each secondary worm and gear reduction gearbox is in transmission connection with the bearing seat adjusting device. Compared with a straight gear pair, a helical gear pair and the like, the two stages of worm and gear pair transmission mechanisms are arranged, so that the speed ratio is greatly increased, and the adjusting precision of the roller is improved.

The invention discloses a quick-response high-precision pre-stress rolling mill and a control method. The device at least comprises two frame type racks which are symmetrically arranged; a pre-stress cylinder is arranged on an upper beam of each frame type rack, and a driving shaft of each pre-stress cylinder downwards extends out of the upper beam and is positioned below the upper beam; upper bearing seat adjusting devices are mounted on the two sides of the prestress cylinder; an upper bearing seat is mounted between the upper bearing seat adjusting devices on the two sides; a driving shaft of the pre-stress cylinder is connected with the upper bearing seat and is used for providing pre-stress for the upper bearing seat; an adjusting hydraulic cylinder is arranged on a lower beam of each frame type rack, and a driving shaft of each adjusting hydraulic cylinder upwards extends out of the corresponding upper beam and is located above the corresponding lower beam; a lower bearing seat is arranged in the frame type rack below the upper bearing seat in a sliding manner; and a driving shaft of the adjusting hydraulic cylinder is connected with the lower bearing seat. The rolling precision is high, and the adjustment requirement of the rolling mill roll gap can be met through rapid and accurate adjustment of the lower bearing seat on line.

The invention discloses a roll bearing seat flexible connecting device, a quick-response high-precision pre-stress rolling mill and a control method. Comprising a frame type rack, and a roller bearing seat is arranged in the rack; a double-piston-rod hydraulic cylinder is arranged on an upper beam and / or a lower beam of the frame type rack; a connecting rod penetrates through a piston rod of the hydraulic cylinder; a concave-convex combined spherical pad sleeves one end, close to the bearing seat, of the connecting rod; the concave spherical pad is positioned on one side far away from the bearing seat, and the convex spherical pad is positioned on one side close to the bearing seat; the lower end of the connecting rod penetrates through the concave-convex combined spherical pad and the base to be connected to the roller bearing seat. The convex spherical pad can twist along with the bearing seat; the end, far away from the bearing seat, of the connecting rod extends upwards out of the rack and is in threaded connection with a nut, and the connecting rod between the nut and the rack is sleeved with a spring. According to the device, the combined spherical pad is arranged between the hydraulic cylinder and the bearing seat, so that the hydraulic cylinder and the bearing seat are flexibly connected, and the effect of protecting the hydraulic cylinder is achieved.

The invention discloses a quick-response high-precision pre-stressed rolling mill and a roller flexible axial movement preventing mechanism. The device at least comprises a rack, and a roller bearing seat is arranged in the rack; a rectangular guide groove is formed in the position, corresponding to the center of the bearing seat, of the rack. Positioning pins are mounted on two side surfaces of the bearing seat; the free end of the positioning pin extends into the rectangular guide groove; a sliding sleeve is sleeved outside the positioning pin in the rectangular guide groove; a pressing plate corresponding to the sliding sleeve is arranged at the end part of the free end of the positioning pin; the pressing plate is mounted at the end part of the free end of the positioning pin through a screw; two sliding blocks corresponding to the sliding sleeves are arranged in the rectangular guide groove in the direction of the roller shaft, the two sliding blocks are oppositely arranged, the outer shape of each sliding block is rectangular, a round hole is formed in the middle of each sliding block, the center of each round hole is located outside the corresponding sliding block, and the arc section is smaller than a semicircle; the sliding block is shorter than the sliding sleeve. The roller drives the bearing seat to rotate around the center of the bearing seat under the radial rolling force, and the working condition of equipment is improved through flexible connection.

The invention discloses an intelligent early warning system for stainless steel cold rolling pipeline butterfly valves, and relates to the technical field of cold rolling production process monitoring, the system comprises a filtering tank, a plurality of oil outlet butterfly valves, a liquid level detection unit and a control module, the liquid level detection unit is arranged in the filtering tank and is used for collecting liquid level data of rolling oil in real time; the control module is used for calculating a speed curve of the liquid level changing along with time based on the liquid level data, comparing the liquid level descending speed with a preset speed threshold value so as to judge the operation state of the multiple oil outlet butterfly valves and outputting corresponding multi-stage early warning information; according to the invention, single-valve-level accurate detection can be realized, unfiltered rolling oil is prevented from entering the oil cleaning tank, the defect rate of spot marks on the surface of a steel coil is reduced, the qualification rate of cold-rolled products is improved, meanwhile, the manual inspection cost is reduced, and the system intelligence and maintenance convenience are improved; the technical problems of limited adaptive scene, accurate detection, information distortion, misjudgment risk and lack of an automatic early warning mechanism in the existing early warning technology are solved.

The application discloses a kind of hot rolling mill set roll motor overload pre-determination method.The method includes: pre-setting a current sampling time;In the current sampling time of pre-setting, the roll motor current data of each rolling unit in hot rolling mill set is periodically sampled;The maximum overload rate of hot rolling mill set roll motor in current sampling time is calculated;Judge whether the maximum overload rate is less than overload rate determination threshold;Judge whether the next piece of steel computer set rolling force is less than overload rolling force determination threshold;If the maximum overload rate is greater than overload rate determination threshold and computer set rolling force is greater than overload rolling force determination threshold, then determine that hot rolling mill set roll motor will overload.The roll motor overload pre-determination method of the application can accurately predict the hot rolling mill set roll motor overload jump power in time, control the rolling rhythm of hot rolling mill set, and avoid the situation that hot rolling mill set roll motor appears jump power and stops due to the too fast rolling rhythm of hot rolling mill set.

The invention belongs to the technical field of metal material processing and manufacturing, and particularly relates to a rolling mill working state monitoring method and system, a terminal and a storage medium, the method comprises the following steps: pre-defining state monitoring parameters, and setting a corresponding threshold value for each state monitoring parameter; the state monitoring parameters comprise the duration of the steel plate passing through a roller in the rolling mill, the displacement of the roller in the rolling mill and the temperature of an oil film bearing bush in the rolling mill. According to the method, the working state of the rolling mill can be monitored from multiple dimensions by pre-defining the state monitoring parameters and setting the corresponding threshold values; the monitored state monitoring parameters are stored, learning is carried out according to the comparison result of the state monitoring parameters, and the threshold value corresponding to each state monitoring parameter is updated, so that the threshold values can be automatically adjusted along with the change of the actual operation condition of the rolling mill, different production scenes can be better adapted, the monitoring accuracy and reliability are improved, and the production efficiency is improved. And the phenomena of false alarm and missing alarm are reduced.

The invention discloses a quick-response high-precision pre-stressed rolling mill and a rolling mill stand. Comprising two racks which are symmetrically arranged; the two racks are positioned and connected through the rack connecting and positioning mechanism; a prestress cylinder is arranged on an upper beam of each rack, and an adjusting hydraulic cylinder is arranged on a lower beam of each rack; or, an adjusting hydraulic cylinder is arranged on the upper beam of each rack, and a prestress cylinder is arranged on the lower beam of each rack; bearing seats are respectively arranged at the free ends of the prestress cylinder and the adjusting hydraulic cylinder; wherein the pre-stress cylinder is used for providing pre-stress for the bearing seat; the adjusting hydraulic cylinder is used for driving the bearing seat to slide up and down; bearing seat adjusting devices are mounted on the rack on the two sides of the prestress cylinder and correspond to the two sides of the bearing seats, and are used for adjusting the vertical positions of the corresponding bearing seats; and the rollers are arranged on the two bearing seats which are correspondingly arranged. The rolling precision is high, and the adjustment requirement of the rolling mill roll gap can be met through rapid and accurate adjustment of the lower bearing seat on line.

The invention relates to the technical field of metal rolling, and discloses aluminum alloy plate strip rolling machining equipment which comprises a workbench and further comprises a support fixedly connected to the lower portion of the workbench and used for supporting the whole equipment. The two fixing plates are mounted on the workbench and used for fixing the rolling mechanism and the guide mechanism; the rolling mechanism is arranged on the fixing plate and used for rolling the aluminum alloy plate strip. The guide mechanism is arranged on one side of the rolling mechanism and used for guiding the feeding angle when the aluminum alloy plate strip is rolled. By arranging the guide mechanism and utilizing the cooperation of the guide roller and the third spring, an aluminum alloy plate strip can be accurately guided to enter the rolling rollers, it is ensured that the feeding angle is accurate, meanwhile, the distance between the rolling rollers can be adjusted in real time according to the thickness of the plate strip through the dynamic adjusting function of the arc-shaped connecting rod and the first spring, and the production efficiency is improved. And the stability of the rolling process is guaranteed, so that the rolling quality is improved, and the rejection rate caused by uneven thickness is reduced.

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.

A rolling mill of the present invention is a rolling mill including: a pair of upper and lower rolls disposed in a housing; and a roll chock that holds each of the upper and lower rolls. A liner having a vibration reducing function is provided on at least one of a housing counter surface of the roll chock and a housing surface corresponding to the housing counter surface.

The utility model relates to the field of steel production equipment, and discloses a novel anti-stripping water collecting pipe for a steel production hot continuous rolling process finishing mill frame, which comprises a protection pipe and a collecting pipe main body, an anti-corrosion hydrophobic layer is fixedly connected to the inner side of a pipe body of the collecting pipe main body, and a plurality of spraying mechanisms are arranged on the outer side of the collecting pipe main body. The spraying mechanism comprises a spray head, the upper end of the spray head is fixedly connected with a rotary knob, and the two sides of the spray head are fixedly connected with clamping blocks. According to the utility model, through the unique structural design and the maintenance window of the convenient buckle structure sealing cover, quick positioning and maintenance are facilitated when the spray head and an internal pipeline break down, the downtime of equipment is shortened, and the production efficiency is improved. And the nozzle adopts the design of quick plug-pull type connection and independent filter arrangement, so that the risk of nozzle blockage is effectively reduced, and the nozzle is convenient to replace and maintain. The stability, durability and maintenance convenience of the header are further enhanced through optimization of the protection structure and the internal anti-corrosion hydrophobic layer.

A movable material receiving groove matched with a perforating machine comprises a groove body and a frame body, the frame body comprises a fixed frame and a movable frame which are located on the two sides of the bottom of the groove body respectively, a plurality of horizontal hinge holes are formed in the lower portion of the movable frame, the upper portion of the movable frame extends outwards to form an extension table, and the extension table is hinged to the piston end of an oil cylinder. The movable frame is arranged on the opposite side of the feeding direction. And a plurality of extension tables and oil cylinders are arranged. And the movable frame is provided with a vertical pin hole. And an anti-abrasion lining plate is fixed in the groove body. Compared with the prior art, the technical effects of the utility model are that: when the device is movable, the device can be well replaced at the background, and the time for replacing the wear-resistant lining plate is shorter.

The invention discloses a high-temperature alloy hot rolling production line side guide plate machining process, and relates to the technical field of side guide plates, the high-temperature alloy hot rolling production line side guide plate machining process comprises the steps that S1, rolling limiting is conducted, specifically, when the front end of a hot rolling strip plate enters the surface of a conveying roller in a conveying unit, the left side and the right side of the hot rolling strip plate are limited by blocking arms; s2, primary buffering is conducted, specifically, a second buffering piece on the outer side of a blocking arm and a first buffering piece on the top of a lower pressing roller are used for buffering offset vibration in the moving process of the hot rolling strip plate; s3, guard plate guiding: after the hot-rolled strip plate passes through the space between a lower pressing roller and a conveying roller, if the hot-rolled strip plate deviates again, the deviation of the hot-rolled strip plate is limited by a composite plate in a guide plate unit; and S4, independent buffering is conducted, specifically, the multiple composite plates are distributed on the side portion of the hot rolling strip plate, and the multiple independent composite plates are connected through the grooves and the insertion blocks to achieve overall linkage. The longitudinal and transverse impact resistance of the hot-rolled strip plate can be buffered through the base plate and the third buffering piece, the breakage rate of the composite plate is reduced, the damage of the independent composite plate does not affect the whole ceramic, and replacement is easier.

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.

The application belongs to the technical field of steel coil protection, and particularly relates to a quick-release type steel coil protection cover, which comprises a steel coil body, protection mechanisms are arranged at both ends of the steel coil body, the protection mechanism comprises a first central circular plate, a circular protection cloth is fixed to the circumferential sidewall of the first central circular plate, the rear wall of the circular protection cloth can be in contact with the steel coil body, a central rotating shaft is fixed to the front center of the first central circular plate, one end of the central rotating shaft is fixed with a second central circular plate, and a protection assembly is arranged between the second central circular plate and the first central circular plate. The mutual cooperation between the protection mechanisms at both ends of the steel coil body realizes the plugging of the inner diameter of the steel coil body and the two end steel coil layers, reduces the possibility of the rusting of the steel coil caused by the humid air entering the steel coil, protects the steel coil body which cannot be timely packed under the protection of the protection mechanisms, and increases the waiting time of the packing of the steel coil body.

The utility model discloses aluminum alloy rolling equipment with an energy-saving effect, which comprises a rolling box, a rolling component is arranged in the rolling box, a feed port and a discharge port are respectively arranged on the side surfaces of the rolling box, an infrared heater is fixedly connected to the inner wall of the rolling box, chutes are respectively arranged on the inner top walls of the feed port and the discharge port, and the infrared heater is fixedly connected to the inner top wall of the rolling box. And the inner wall of the sliding groove is slidably connected with a sealing piece, the upper surface of the sealing piece is fixedly connected with a spring, and the top end of the spring is fixedly connected with the inner top wall of the sliding groove. The infrared heater is arranged to heat the interior of the calendering box so as to achieve heat preservation and softening of aluminum alloy materials, the sealing piece is arranged to seal the feeding port and the discharging port so as to reduce heat loss, and the spring is arranged to adjust the height of the sealing piece so as to adapt to the thickness of the aluminum alloy materials. And the sealing effect on the feeding opening and the discharging opening is improved, so that the aluminum alloy rolling equipment with the energy-saving effect has the energy-saving effect.

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 invention relates to the related technical field of rolling machining, in particular to adjustable multifunctional rolling equipment which comprises a rolling base, rolling rollers, a feeding frame and a machining frame, conveying rollers are arranged on the top of the feeding frame and the top of the machining frame, and a torsion deviation rectifying assembly is arranged in the machining frame. The torsion deviation rectifying assembly is used for lifting and adjusting the machined plate deviating from the top of the conveying roller, and a lifting plate arranged in the torsion deviation rectifying assembly lifts the machined plate from the bottom of the conveying roller. The concentric-square-shaped supporting frame drives the lifting rods distributed in the radial direction to be matched with the first hydraulic air cylinders to conduct three-dimensional correction on deviated plates, it is guaranteed that rolled pieces are always stabilized on the center line of a roller, the safety performance of the periphery of the machining frame is improved by pushing the jacking assemblies, and when the posture of the machined plates is adjusted, the protection effect on the two sides is improved, and the heat insulation protection effect is improved; and rolling splashes are intercepted.

The present application relates to the technical field of cold-rolled strip steel production, and particularly relates to a method and system for determining and inhibiting post-rolling slip after high-speed rolling of cold-rolled strip steel. The present application can automatically determine the post-rolling slip phenomenon and realize alarm by real-time detection and analysis of the change law of the front and back tension and rolling force of the rolling mill stand, and simultaneously controls the rolling speed in a closed loop, thereby effectively inhibiting the occurrence of post-rolling slip under the condition of exerting the highest production efficiency of the rolling mill. The method and system for determining and inhibiting post-rolling slip after high-speed rolling of cold-rolled strip steel can accurately and efficiently identify the post-rolling slip phenomenon occurring in the rolling process, timely issue an alarm prompt, and automatically execute post-rolling slip inhibition measures. The present application can effectively reduce the strip breakage accidents of post-rolling slip after high-speed rolling, greatly improve the production efficiency of the rolling mill set, and has a low hardware arrangement cost and a wide application prospect.

The application discloses a cantilever rolling mill roll ring shield dismounting executor, which comprises an outer shell body, a power input end installed at the end of the outer shell body, a torque sensor assembly used in cooperation with the power input end and installed in the outer shell body, and a dismounting mechanism used in cooperation with the torque sensor assembly; the power input end drives the torque sensor assembly to rotate and further drives the dismounting mechanism to rotate; the cantilever rolling mill roll ring shield dismounting executor of the technical scheme can realize automatic dismounting of the rolling mill roll ring shield and bolts and can also realize automatic dismounting of the locking nut inside the cantilever rolling mill roll ring, can effectively reduce the labor load of workers and the number of operating workers, has higher repeat precision and stability, improves the roll changing efficiency, shortens the downtime, and improves the safety during the operation.

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.

A sizing rack pull rod positioning sleeve positioning device comprises a positioning sleeve, a pull rod, a roller, a locking nut, a cylindrical pin and a long shaft. The roller is assembled in the rack in advance, and then the long shaft penetrates through the roller and is arranged in the positioning sleeve; the positioning sleeve and the long shaft are positioned through six cylindrical pins, and the six cylindrical pins are evenly distributed according to the angle of 60 degrees. The locating sleeve and the long shaft are located through the six cylindrical pins, it can be guaranteed that instantaneous shear force borne by each cylindrical pin is evenly distributed and is only one sixth of that borne by a single cylindrical pin, and therefore it is guaranteed that the long shaft is not loosened, the loosening and unscrewing phenomena are greatly reduced, and the defects such as blue lines generated on the surface of a steel pipe due to unscrewing of a pull rod are reduced.

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.

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 invention relates to the technical field of aluminum single plate rolling mills, and discloses a rolling mill and method for manufacturing aluminum single plates, the rolling mill comprises a base and a roller machine frame, the left side of the top of the base and the bottom of the roller machine frame are fixedly installed, and a self-adaptive roller bending force compensation mechanism is arranged on the roller machine frame. According to the rolling mill and method for manufacturing the aluminum veneer, the temperature change of the bearing seat is sensed through the bimetallic strip, and a thermal displacement signal is amplified through a structure composed of the first rack, the first gear, the second rack, the third rack and the second gear; and finally, the output pressure of the first oil pressure pushing hydraulic cylinder and the second oil pressure pushing hydraulic cylinder is accurately adjusted by controlling the opening degree of a valve rod of the pilot-operated type hydraulic valve, so that self-adaptive control over the roll bending force of the supporting roll is achieved, the plate shape defect caused by thermal expansion of the working roll can be automatically compensated, the plate shape quality and flatness of the aluminum veneer are remarkably improved, and the service life of the aluminum veneer is prolonged. The problem of middle waves is effectively solved, meanwhile, the synchronism of roll bending force on the two sides is guaranteed through the hydraulic synchronous controller, and the rolling precision is further guaranteed.

The utility model provides an aluminum strip cold rolling protective device, which belongs to the technical field of aluminum strip cold rolling and comprises a protective cover and a mounting cover, and an adjusting component is arranged on the inner wall of the protective cover. According to the device, the adjusting assembly is arranged, the expansion cover can move towards the outer side of the protective cover under the action of threads on the outer surface along with rotation of the two-way threaded rod, at the moment, the expansion cover drives the mounting covers to move synchronously, and after the mounting covers on the two sides move to the proper positions, the expansion cover is fixed. A positioning block on a fixing ring is embedded into a positioning hole in a positioning ring under the action of a positioning spring, so that the worm is fixed by fixing the fixing ring, then the mounting cover and the cold-rolling mill are fixed through a bolt, the protection device can be adjusted according to the size of the cold-rolling mill, the application range of the protection device is widened, and the practicability is high. And meanwhile, the structure is simple, operation is convenient and fast, the protection device is convenient to install, and the installation efficiency of the protection device is improved.