31results about How to "Avoid labor intensity" patented technology

The utility model discloses a ground pneumatic type electrolytic cell aluminum outlet reaming device which comprises a support, an air storage tank is arranged at one end of the support, a U-shaped connecting frame is hinged to the upper portion of the other end of the support, and a first connecting rod is hinged to the lower portion of the other end of the support. A first connecting rod is hinged to the end, away from the support, of the connecting frame, a second connecting rod is hinged to the end, away from the support, of the connecting frame, the free end of the first connecting rod and the free end of the second connecting rod are jointly hinged to a crust breaking machine head, and a telescopic air cylinder is hinged between the upper portion of the end, provided with the air storage tank, of the support and the middle of the first connecting rod; and the air storage tank is respectively communicated with the crust breaking machine head and the telescopic air cylinder through corresponding soft air pipes. According to the utility model, the distance between a chambering operator and the hearth of the electrolytic cell is increased, so that a scald accident caused by electrolyte overflow during chambering operation is prevented; and the labor intensity of personnel is reduced, and the reaming operation time is effectively shortened.

The lining polishing equipment comprises a polishing robot and at least one set of fixing devices, the polishing robot comprises a robot and a polishing tool, and the polishing tool is installed at the end of the robot through a connecting piece and is suitable for polishing a workpiece to be polished; the fixing device comprises a fixing base and a pair of rolling shafts arranged in parallel, the rolling shafts are installed on the fixing base and suitable for containing the to-be-polished workpiece, and the rolling shafts are connected with a driving motor and can be driven by the driving motor to rotate; according to the lining polishing equipment based on the structure, manual polishing operation is replaced, the polishing precision is guaranteed, the polishing efficiency is improved, and large labor intensity and potential health hazards of operators are avoided.

The utility model provides a robot capable of carrying out graded nursing inspection, which comprises a movable chassis, the top side of the movable chassis is fixedly connected with a supporting arm and an adjusting mechanism, the adjusting mechanism is arranged on the top side of the supporting arm, and the top end of the adjusting mechanism is provided with a robot main body; the acquisition camera is mounted on the front side of the robot main body, and the acquisition camera is used for acquiring image information in a ward; the temperature measuring mechanism is mounted on the front side of the robot main body, and the temperature measuring mechanism is used for measuring the body temperature of a patient; and the disinfection mechanism is used for disinfecting the temperature measuring end of the temperature measuring mechanism. The height of the robot body is adjusted through the adjusting mechanism, the height of the collecting camera and the height of the temperature measuring mechanism can be conveniently adjusted according to needs, the collecting camera can better collect the environment in the ward, the temperature measuring mechanism can conduct temperature measuring adjustment according to needs in the temperature measuring process, and operation is convenient.

The invention discloses a maintenance system for a precast beam yard. The maintenance system comprises a sedimentation reservoir group, a plurality of pedestals, a water supply pipeline, a steam supply pipeline, a maintenance shed and a centralized control system, the precipitation reservoir group is connected with an external water supply system and overground drainage of the maintenance area and stores the drainage after precipitating and filtering the drainage, and the beam storage area is arranged on the ground above the precipitation reservoir group. Two ends of the water supply pipeline are respectively connected with the sedimentation reservoir group and the pedestals, and two ends of the steam supply pipeline are respectively connected with the water supply pipeline and the pedestals. The centralized control system is used for controlling the water supply pipeline or the steam supply pipeline to be opened according to requirements so that the corresponding maintenance water or the high-temperature steam can enter the corresponding pedestals, and the pedestals are used for evenly spraying the entering maintenance water or the high-temperature steam outwards to the precast beams supported on the pedestals. And the curing shed is used for covering the corresponding pedestal when high-temperature steam is sprayed. According to the system, high-temperature steam and curing shed curing can be adopted in winter, spraying curing is adopted in other seasons, and the curing effect in the whole period of beam manufacturing is ensured.

The invention relates to the technical field of protective film attaching, and discloses a film attaching device. Comprising a workbench, a linear displacement module, a left-right displacement support, a matched feeding mechanism, a first attaching and positioning platform, a product overturning mechanism, a second attaching and positioning platform, a third attaching and positioning platform, a matched discharging mechanism, a first film tearing mechanism, a second film tearing mechanism, a first film attaching mechanism, a second film attaching mechanism and a third film attaching mechanism. And a product lifting mechanism and a product taking and placing mechanism. By the adoption of the structure, the working efficiency is effectively improved, and the film pasting quality is guaranteed; the labor intensity caused by manual film tearing is avoided; according to the automatic film pasting device, the film pasting efficiency is effectively improved, the labor cost is reduced, meanwhile, the influence on the product film pasting quality caused by the difference of the proficiency of workers is avoided, large-scale film pasting operation can be achieved, and the stability of the film pasting quality is guaranteed.

A comprehensive concrete curing device includes a mobile vehicle, a stand, an H-shaped steel part, a transverse vehicle part, a vibration part, a leveling part and a membrane laying part; the mobile vehicle is arranged on both sides of a concrete road; the stand is arranged on the upper end surface of the mobile vehicle; the H-shaped steel part includes a first H-shaped steel, a second H-shaped steel and a third H-shaped steel, and the first H-shaped steel, the second H-shaped steel and the third H-shaped steel are evenly arranged between the stand; the transverse vehicle part includes a first trolley, a second trolley and a third trolley; the first trolley is arranged on the first H-shaped steel; the second trolley is arranged on the second H-shaped steel; the third trolley is arranged on the third H-shaped steel; the vibration part is arranged on the lower end surface of the first trolley; the leveling part is arranged on the lower end surface of the second trolley; the membrane laying part is arranged on the lower end surface of the third trolley. The present invention improves the efficiency of concrete construction and improves the quality of concrete.

The utility model discloses a metal fitting machining die which comprises a base, a lower die block is arranged on the base, an upper die block is arranged above the lower die block, a clamping device is arranged on the inner side of the upper die block, and the clamping device comprises an unlocking sleeve, a second spring, a return stroke block, a fixing rod, a second tension spring, a clamping block, a clamping groove, a guide plate, an inserting rod, an inserting sleeve and a clamping plate. The guide plate is connected to the bottom end of the unlocking sleeve, the return stroke block is arranged on the outer side of the unlocking sleeve, the second spring is installed in the inserting rod, a lubricating device is installed on one side of the base, and the lubricating device comprises a lower pressing block, a limiting groove, a first tension spring, an extrusion block, an air bag and a spraying pipe. The air bag is installed in the limiting groove, the spray pipe is installed on one side of the air bag, the extrusion block is installed above the air bag, the first tension spring is arranged at the top end of the extrusion block, the lower pressing block is arranged on one side of the extrusion block, and the collecting device is arranged on one side of the base.

The utility model discloses a laminating machine pressing structure which comprises a box body, a first cavity is formed in the box body, an eccentric wheel is arranged at the top end of the first cavity, a connecting rod is rotationally connected to the eccentric wheel, a lifting part is rotationally connected to the bottom end of the connecting rod, a fixing part is arranged at the bottom end of the first cavity, and the fixing part is connected with the two side walls of the first cavity through supporting parts. A movable groove used in cooperation with the lifting part and the connecting rod is formed in the fixing part, the lifting part penetrates through the movable groove, a frame with a downward opening is arranged at the bottom end of the lifting part, a plurality of pressing rollers are arranged in the frame, bearing blocks are connected to the middles of the front end and the rear end of each pressing roller through bearings, and the bearing blocks are connected with the frame through limiting structures. The film laminating machine has the advantages that the lifting part is lifted by the eccentric wheel, so that the film laminating machine can conveniently adapt to different thicknesses, and the film laminating quality is improved; and the press-fit roller which is quickly assembled and fixed through a limiting structure is designed, so that maintenance and cleaning are facilitated.

This application relates to an automatic cleaning system for the shell-breaking hammerhead of an aluminum electrolytic cell, comprising: a shell-breaking hammerhead for performing shell-breaking operations; a detection component for detecting the downward shell-breaking pressure of the hammerhead; the detection component being connected to the hammerhead; a signal conversion component for converting the pressure detection value of the detection component into a cleaning signal; the signal conversion component being connected to the detection component; and a cleaning component for cleaning electrolyte deposits on the hammerhead; the cleaning component being disposed on the hammerhead and connected to the signal conversion component. The automatic cleaning system for the shell-breaking hammerhead of an aluminum electrolytic cell provided by this application eliminates the need for operator inspection of the hammerhead deposits, enabling automatic early detection and removal, thereby avoiding the hazards caused by hammerhead deposits to normal aluminum electrolysis production management and reducing unnecessary labor intensity for electrolysis operators.

According to the tea picking equipment with the soil turning function, when tea leaves need to be picked in a tea garden, the tea picking main machine is driven to be in front of tea tree rows, the hydraulic cylinder is started to enable the tea picking main machine to be higher than tea trees, and the tea picking main machine is prevented from making contact with the tea trees in the advancing process; the tea picking main machine is started to advance, a cutting motor is started to drive a cutting knife to pick tender shoots, the tea picking main machine controls an air pump to spray air to a bag opening of a tea bag, the air can push tea leaves to move towards the deep position of the tea bag, labor intensity caused by manual turning is avoided, and the lowest position of a deep ploughing plough is lower than a planting layer of tea trees. In the advancing process of the tea-picking main machine, the deep ploughing plough performs one-time deep ploughing on the planting layer of the tea trees, so that soil of the planting layer of the tea trees is fluffy, and growth of the tea trees is facilitated; the detachable seat is arranged on the supporting frame, and a person sits on the seat and can temporarily adjust the position of the tea bag and replace the tea bag filled with tea leaves.

The utility model discloses a wheat seed airing device for breeding belongs to wheat seed airing device technical field. A wheat seed airing device for breeding, including support frame and rotating installation on the airing box of support frame, the airing box mainly comprises airing board and upper cover body, and the closed space is formed between airing board and upper cover body, wherein, the first baffle is fixedly installed in airing board, the second baffle is fixedly installed in upper cover body, and the first baffle and the second baffle all have wave crest and wave trough, and the wave crest of first baffle and second baffle staggeredly sets up, and the wave trough of first baffle and second baffle forms airing area, the utility model uses the cooperation of first baffle and second baffle and airing box, and after rotating airing box, can make wheat seed drop to the airing area of second baffle, makes wheat seed complete the effect of turning over, and the ventilation part of setting up simultaneously can improve the ventilation effect in airing area.

The utility model belongs to the technical field of mining mechanical equipment, and particularly relates to a quick elimination device for pull rope faults of a belt conveyor, which comprises a plurality of pull rope switches, and is characterized in that a power supply control system box is arranged in an electromagnetic station, and a single switch and a contactor which are connected with each pull rope switch in series are arranged in the power supply control system box; a red light and a green light are connected in parallel with each pull switch. According to the utility model, fault points can be displayed, and fault positions can be quickly locked; fault points can be quickly isolated, and production is not affected; and on-site processing by contacting professionals is not needed, maintenance and replacement are carried out when normal maintenance time is up, and unnecessary labor intensity and labor cost are avoided.

This utility model discloses a tension testing device for tape production, including a mounting plate and a base plate fixedly connected to the bottom of the mounting plate. A fixing plate is fixedly connected to the top of the base plate on the side away from the mounting plate. A movable frame is provided on the opposite side of the mounting plate and the fixing plate. A box is fixedly connected to the surface of the base plate. An automatic drive component is provided on one side of the box, and a manual drive component is provided on the other side of the box. This utility model, through the automatic drive component and adjustment mechanism located within the box, allows the device to quickly adjust the height of the movable frame. Then, the movable frame presses against a pressure sensor on the top of the mounting plate. The pressure sensor readings are used to detect the tape tension. This effectively solves the problem in existing equipment where prolonged manual operation increases the labor intensity of workers and reduces the practicality and testing efficiency of the equipment.

The invention relates to the technical field of copper pipe machining, in particular to a machine tool for machining an integral crystallizer copper pipe, the machine tool comprises a supporting device, two clamping devices and a cutting device, the supporting device comprises a workbench, the two clamping devices are distributed in the length direction of one side edge of the workbench, the two clamping devices are located at the same height, and the cutting device is arranged on the workbench. The clamping device comprises a clamping assembly, the clamping assembly comprises a containing plate, two clamping plates and a top plate, the containing plate is connected to the top of the workbench and is parallel to the workbench, the two clamping plates are slidably connected to the side, away from the workbench, of the containing plate, the two clamping plates are close to the two opposite sides of the containing plate respectively, and the clamping plates are perpendicular to the containing plate. The top plate is slidably connected to the side, away from the workbench, of the containing plate and is parallel to the workbench, and the top plate, the two clamping plates and the containing plate can clamp the copper pipe. The cutting device is located between the two clamping devices and used for cutting the copper pipe. The copper pipe clamping device has the effect of conveniently clamping the copper pipe.

The utility model relates to elevator equipment installation field discloses a kind of hoisting machine assembly process auxiliary transfer device, including pedestal, the top of the pedestal is fixedly connected with side plate, the inside rotation of the side plate is connected with roller, the inside of the side plate is equipped with stabilizing mechanism, the outside of the side plate is slidably connected with lower mechanism, the stabilizing mechanism includes slide, the outside one end of the slide is fixedly connected with push plate, the outside of the side plate is fixedly connected with connecting seat, the outside of the push plate is slidably connected in the inside of the connecting seat, the outside of the push plate is fixedly connected with spring.In the utility model, through hoisting machine and runner contact, push U-shaped plate, make slide plate slide in side plate, drive push plate compression spring, the counterforce of spring makes runner always adhere hoisting machine, realizes the stable transfer effect of hoisting machine in assembly process, improves the stability of hoisting machine transfer simultaneously.

The invention provides a semi-automatic vegetable seeder which comprises a support, the support is connected with a ditching device, a soil covering mechanism, a driving pressing mechanism and a sowing device, and the sowing device comprises a material storage tank, a sealing ring, a conveying pipe, a rotating shaft and a first motor; the rotating shaft is connected with a material conveying column, the material conveying column is rotationally connected with a sealing ring, and the sealing ring is provided with a material hole; the material conveying column is provided with a material storage groove. A second motor drives a worm to rotate so as to drive a worm wheel to rotate, then the angle of a ditching block is adjusted, a pneumatic cylinder drives the ditching block to descend, so that the ditching block is used for forming grooves in the ground, and seeds in a storage tank enter a storage groove of a conveying column through a material hole in the top; the first motor drives the rotating shaft and the material conveying column to rotate, so that seeds at the top rotate to the bottom, and the seeds enter the conveying pipe through the material holes in the bottom and fall into the grooves to be sown.

The utility model relates to the field of pomegranate planting fertilization discloses a kind of pomegranate planting fertilization device, including cart, the top of the cart is provided with irrigation assembly, the irrigation assembly includes storage cylinder, the storage cylinder is fixedly connected in the top of cart near left side position, the top of the cart is fixedly installed with water suction pump near the right side of storage cylinder, the water suction pump is communicated with the inside of storage cylinder by connecting pipe, the top of the cart is fixedly installed with delivery pipe above water suction pump, the delivery pipe is also communicated with each other by connecting pipe with water suction pump, the top of the delivery pipe is provided with multiple groups of connecting hose. In the utility model, liquid fertilizer is simultaneously fertilized by multiple spray heads, improving the efficiency of fertilization, multiple spray heads are adjusted, the direction of fertilization can be accurately controlled, the fertilization range is expanded, the uniformity of fertilization is ensured, the fertilization area per unit time is improved, and the uniform distribution of fertilizer is ensured.

The utility model relates to the technical field of eel processing, and provides a fishy smell removing roasted eel processing device which comprises a processing furnace, a grill is arranged at the top of the processing furnace, a coating adjusting assembly is arranged on the side face of the processing furnace and comprises a transverse plate, and the side face of the transverse plate is fixedly connected to the side face of the processing furnace. A supporting rod is fixedly connected to the side face of the transverse plate, a motor is fixedly connected to one end of the supporting rod, a gear is fixedly connected to an output shaft of the motor, a rack is slidably connected to the top of the transverse plate, a vertical rod is fixedly connected to the side face of the rack, and a spring telescopic rod is fixedly connected to the side face of the vertical rod. The end, away from the vertical rod, of the spring telescopic rod is fixedly connected with a seasoning barrel, and a connecting pipe penetrates through the bottom of the seasoning barrel. By means of the technical scheme, the problem that in the prior art, seasoning ginger juice cannot be evenly smeared on the surfaces of eels is solved.

The utility model discloses a ramming and slagging-off device for brass melting, which comprises a base, the upper end of the base is fixedly connected with a rack, the upper end of the base is located in the rack and fixedly connected with an engine, the upper end of the base is located on one side of the engine and fixedly connected with a charging machine, and the upper end of the charging machine is fixedly connected with a melting furnace. The upper end of the rack is fixedly connected with an operation table; according to the utility model, the ramming oil cylinder, the charging machine, the melting furnace, the ramming and slagging-off head and the like are adopted, so that the ramming and slagging-off work of an operator is realized through the ramming oil cylinder, the ramming and slagging-off head and the like, the labor intensity of the operator is completely reduced, and the ramming and slagging-off treatment of raw materials at different positions in a hearth is realized through the walking of the charging machine; through the engine, the charging machine, the melting furnace and the like, the melting rate of the melting furnace is increased, comprehensive energy consumption is reduced, meanwhile, the charging machine and material ramming and slagging-off are integrated, the design that one machine has multiple functions is achieved, and space is saved for a production workshop site.

The present invention discloses an automatic assembly system for gas mask parts, which mainly automates the assembly of masks, headband buckles, can joints, auxiliary talkers, and clamps in gas masks. The system has the advantage of flexible automatic assembly, and can meet the needs of automatic assembly of various gas masks by changing the specific tooling manually or automatically. The system mainly includes an automatic feeding device for headband buckles, an automatic material distribution device for headband buckles, an automatic pressing device for headband buckles, a mask fixing device, a clamp conveying device, a can joint pressing device, an auxiliary talker pressing device, and an installation frame. The present invention improves the level of automatic assembly of gas masks, greatly reduces labor, and improves assembly quality.

The utility model belongs to the technical field of preparation equipment, and particularly discloses a quick switching device for ore pulp conveying pipelines. A slurry outlet hole of a slag separation machine of the device is communicated with a stirring tank through a slag separation pipe; a switching box of the switching mechanism is a hollow box, a slurry outlet I is formed in the bottom of the switching box, a slurry outlet II is formed in the middle of the side wall of the switching box, a spherical plug is arranged above the slurry outlet I, and the top of the spherical plug is connected with the lower end of a rope chain. A lifting unit is arranged on the top of the switching box and connected with the upper end of the rope chain. The slurry outlet II is communicated with the slurry inlet of the slag separator through a pipeline, and the slurry outlet of the cyclone is communicated with the slurry inlet of the switching box through a pipeline. According to the utility model, the switching mechanism is arranged, the spherical plug controlled by the lifting unit is used for replacing a traditional valve, and the ore pulp selection pipeline can be directly communicated with the stirring tank to facilitate maintenance of the slag separator, so that the switching efficiency of the ore pulp conveying pipeline can be improved, the manpower consumption and the overall cost are reduced, and meanwhile, the safety and environmental protection risks are reduced.

The utility model relates to a photovoltaic module lifting device which comprises a vertical ladder assembly, a winch and a conveying frame. The vertical ladder assembly is designed to be conveniently erected on a building wall, and a stable supporting structure is provided. The winch is arranged on the lower portion of the vertical ladder assembly and serves as a power source to drive the conveying frame to vertically slide along the vertical ladder assembly. The conveying frame is used for conveying the photovoltaic module to be installed. The device realizes convenient transportation of the photovoltaic module from the ground to the roof through a simple mechanical structure, and is particularly suitable for roof installation of low-rise buildings. The device not only solves the problem of installation of the photovoltaic module in a narrow or complex field, but also reduces the installation cost, improves the working efficiency and safety, and provides convenience for the installation work in the photovoltaic industry.

The utility model relates to the technical field of hub detection, and discloses a movable hub detection platform, which comprises a base, a supporting seat is fixedly connected onto the base, a rotary table for positioning and supporting a hub to be detected is rotatably connected onto the supporting seat, and a vertical column for fixedly connecting a measuring gauge outfit is arranged on the base. The utility model provides a hub runout measuring platform which is simple in structure and light, can be conveniently moved to a position where detection is convenient to implement to carry out measurement operation, is simple and convenient to operate and reliable in precision, greatly improves the detection efficiency, and reduces the labor intensity of operators. The problems that an existing beating instrument is tedious in operation, low in efficiency and incapable of meeting the requirement for high-frequency detection are solved. Meanwhile, the rotary table and the supporting base are connected in a floating mode, the rotary table and the positioning table which are matched with each other can be rapidly replaced according to hubs of different sizes, use is more flexible and convenient, and applicability is high.

This utility model relates to a soaking and screening device for acorn processing. This device, powered by an electric push rod, drives a screening unit to effectively remove soaked acorns during operation. The device's tumbling process also effectively screens the acorns, avoiding the low efficiency and high labor intensity associated with manual removal and screening. Furthermore, it ensures rapid acorn removal, maintaining consistency between soaking and removal, and guaranteeing the optimal soaking effect.

The utility model relates to the technical field of soil loosening devices, and discloses an earthworm breeding soil loosening device convenient to adjust, the bottom of a rake handle is fixedly connected with a rake nail, the inside of the rake handle is slidably connected with an extension rod, the right side of the extension rod is provided with a clamping groove, the right side of the rake handle is fixedly connected with an adjusting box, and the adjusting box is fixedly connected with the rake nail. A toothed plate is arranged in the adjusting box, the left side of the toothed plate is fixedly connected with an elastic belt through a connecting block, the bottom of the elastic belt is fixedly connected with the bottom of the inner wall of the adjusting box, and the top of the toothed plate penetrates to the top of the adjusting box. According to the utility model, under the mutual cooperation of the extension rod, the T-shaped clamping plate, the gear plate, the connecting plate and other structures, the toothed plate drives the worm to rotate through the gear, the worm drives the gear plate to rotate, and the gear plate pushes the T-shaped clamping plate to be clamped into the clamping groove through the push rod, so that adjustment can be conveniently carried out according to the heights of different users, and the use of the users is facilitated.

The utility model discloses a kind of water treatment dead angleless water tank, it relates to water treatment technical field, including water tank, the water tank is spherical structure, the upper portion of water tank is equipped with opening, detachable tank cover is installed at the opening of water tank upper portion, the top of tank cover is fixedly installed with water inlet pipe, the bottom of water tank is fixedly installed with water outlet pipe, the bottom of water tank outer surface is fixedly installed with multiple supporting legs;The middle portion of tank cover top is installed with rotating assembly, tank cover is installed with lifting assembly by the rotating assembly, the inside of lifting assembly is installed with flushing pipe, the bottom end of flushing pipe extends to the inside of water tank.This kind of utility model is through spherical structure design, automatic rotating lifting mechanism and all-around cleaning spray head, effectively solve the problem of dead angle that traditional water tank exists, improve cleaning efficiency and water quality safety.

The utility model discloses a hydraulic engineering geological survey underwater soft soil measuring device which comprises a mounting seat, the upper surface of the mounting seat is fixedly connected with a device body, and the inner bottom wall of the device body is fixedly connected with a machine cover. According to the device, by operating the touch panel, the motor can be started to drive the winding and unwinding device to rotate, the assembled sampling driver and sampling head are put into water, after the sampling driver and the sampling head are put in place, the sampling driver is started to drive the sampling head to rotate and be inserted into underwater soft soil, and a soft soil sample can be sampled through the sampling head; according to the underwater soft soil sampling device, the amount of underwater soft soil can be accurately measured, after sampling is finished, the retractable device can be driven by the motor to rotate reversely, the sampling head is pulled out through the sampling driver, finally, the quick connecting sleeve is disassembled to separate the driver and the sampling head from the device body, and a soft soil sample in the sampling driver is taken out for subsequent geological analysis. The sample can be prevented from being lost or polluted in the taking-out process.

The utility model provides a quick release device for a speed reducer, which comprises a speed reducer supporting unit, a disc drawing unit and a platform supporting unit, and the disc drawing unit and the speed reducer supporting unit are respectively slidably mounted on the platform supporting unit; the speed reducer supporting unit comprises a left jack, a right jack and a supporting platform, and the supporting platform is fixedly installed on the left jack and the right jack. The disc drawing unit comprises a disc jack, a drawing device support and a disc drawing device, the drawing device support is fixedly installed on the disc jack, and the disc drawing device is rotatably installed on the drawing device support. According to the quick dismounting device for the speed reducer, the left jack, the right jack and the disc jack are controlled to ascend and descend, and the disc drawing unit is matched for use, so that the speed reducer is simple and convenient to dismount, the dismounting efficiency of the speed reducer in a production gap is guaranteed, the maintenance time and the downtime are shortened, and the production efficiency is guaranteed.

The invention relates to the technical field of carrier rollers, in particular to a hydraulic lifting type middle carrier roller replacing device based on material conveying and a control method thereof.The hydraulic lifting type middle carrier roller replacing device comprises a track plate and a bracket assembly, the bracket assembly is fixedly connected to one side of the track plate, a track groove is formed in the inner side of the track plate, and a rack is fixedly connected to the lower end of the track groove formed in the track plate; a displacement assembly is slidably connected to the inner side of a rail groove formed in the rail plate, a replacement assembly is fixedly connected to the top end of the displacement assembly, the displacement assembly comprises a movable table assembly, the movable table assembly comprises a folded plate, a ball groove is formed in the inner side of the folded plate, and the inner side of the ball groove is attached to the outer side of a steel ball; according to the device, a damaged carrier roller can be rapidly and safely replaced for the middle carrier roller of the belt conveyor, and the labor intensity and potential safety hazards caused by the fact that traditional workers make contact with a belt and conduct lifting operation are avoided.