37results about How to "Avoid manual lifting" patented technology

The invention discloses a tunnel lining detection support with a height and an angle capable of being automatically adjusted, which comprises a radar bracket, wherein the axle center position of the lower side of the radar bracket is provided with a main support rod, one end of the main support rod is connected with the radar bracket through a universal joint, the other end of the main support rod is arranged on a fixed base through a universal joint, the downside of the main support rod is fixed on the fixed base through at least three air struts uniformly distributed around the main support rod, the two ends of the air struts are respectively connected with the main support rod and the fixed base through universal joints, the upside of the main support rod is connected with the radar bracket through at least three spring support rods uniformly distributed around the main support rod, and the two ends of the spring support rods are respectively connected with the bottom of the radar bracket and the main support rod through universal joints. The tunnel lining detection support disclosed by the invention is simple in structure, easy to disassemble, and convenient to carry; the tunnel lining detection support can guarantee that a preset distance is always kept between a radar antenna and a tunnel lining surface in the horizontal and vertical directions; and due to the automatic height and angle adjustment function, the influence of road unevenness on detecting results is reduced, the erection of temporary operating supports and the manual lifting are avoided, the working intensity of detection is lowered, and the detection speed is improved.

The invention discloses an agricultural perforating device which is convenient for heat dissipation and aperture adjustment, which comprises a base and a top plate. A first through hole is arranged in the middle of the inner part of the base, and universal wheels are arranged on both sides below the base. Both sides above the base are provided with connecting pipes, and the inside of the connecting pipe is provided with a second through hole, the bottom of the connecting plate is provided with a connecting rod, and the inside of the connecting plate is provided with a fixing ring, and the connecting rod A first limit block is arranged on the four sides, a movable block is installed at the upper port of the movable rod, and a magnet block is arranged on the side of the second limit block facing the central axis of the movable rod. The agricultural punching device that facilitates heat dissipation and hole diameter adjustment can ensure that the driver will not be burned out due to excessive temperature when the device works for a long time, and the device can change the diameter of the punched hole, which is convenient for users to choose Appropriate hole diameter to drill.

The invention discloses an indoor power distribution cabinet which comprises a cabinet body, an air inlet and an updraft ventilator. The cabinet body comprises a top plate, side walls and a bottom plate, mounting guide rails are arranged on the side walls, a charger and a storage battery are arranged on the mounting guide rails, the charger is electrically connected with the storage battery, a power output end is arranged on the storage battery, the air inlet is formed in the bottom of the cabinet body, a filter screen is arranged at the air inlet, the updraft ventilator is arranged above the air inlet, air outlets are formed in two sides of the cabinet body, a cabinet door is arranged on the cabinet body, and an observation window is arranged on the cabinet door. Cooling effects are improved, the structure of an electrical system is effectively simplified, a hydraulic mechanism can be controlled only by switching on a switch, vertical movement and positioning are realized, a cross rod can stay at a corresponding position owing to linkage matching, so that mounting positions and mounting space can be adjusted, manual lifting is avoided, and assembly of the power distribution cabinet is further facilitated.

The invention discloses a large permanent magnet direct-driven wind driven generator rotor end cover plate assembling tool, which comprises a plurality of groups of support frames distributed in a circular ring shape. Any support frame comprises a support base, an axial lifting assembly and a bearing plate; the axial lifting assembly can drive the rotor end cover plate to lift along the axial direction to adjust the axial distance between the rotor end cover plate and a rotor bracket; and a rolling body arranged on a bearing plate can support the rotor end cover plate to rotate circumferentially, so that the mounting hole of the rotor end cover plate and the mounting hole of the rotor bracket can be aligned conveniently. The rotor end cover plate is assembled by means of the support frames, manual hoisting of the rotor end cover plate is avoided, the risk of falling of the rotor end cover plate is reduced, meanwhile, the assembling difficulty of the rotor end cover plate can be reduced, the labor intensity is low, and the safety is high. Therefore, the large permanent magnet direct-driven wind driven generator rotor end cover plate assembling tool can improve the assembling efficiency and the assembling safety at the same time.

The invention relates to a lifting device which comprises a base, a pair of steel channel runways, a telescopic cylinder assembly, a lifting bracket assembly, an optical sensor, a master control single chip microcomputer and a power supply module. The power supply module is used for supplying power. The steel channel runways are respectively arranged on two sides of the front part of the base. Openings of the two steel channel runways are opposite. The lifting bracket assembly comprises a bracket body and two groups of rollers. The two groups of rollers are respectively connected to two sides of the rear end of the bracket body through roller fixing plates. The two groups of rollers are respectively embedded in the pair of the openings of the steel channel runways. A telescopic cylinder drives a movable pulley and a pulling cable, which are arranged at the top end of the telescopic cylinder, to cooperatively drive the bracket body to be lifted, so that part transfer baskets are driven to be lifted. The part transfer baskets can be always at the ideal height, so that manual lifting of the part transfer baskets is avoided, the working efficiency is improved, and the working intensity of a worker is reduced.

The invention provides a cable take-up and pay-off cart comprising a frame, a reel and a driver. The reel is rotatably mounted on the frame. The driver is in drive connection with the outer peripheral edges of side plates of the reel and is used for driving the reel to rotate. The reel is rotatably mounted on the frame, and the driver is in drive connection with the outer peripheral edges of the side plates of the reel and can drive the reel to rotate to take up or pay off a cable on the reel; therefore, the position of the reel can be changed by moving the frame, manually lifting the reel is not required, and workload of workers is reduced. The reel can be driven to rotate to pay off or take up the cable just by controlling the driver, and efficiency of paying off or taking up the cable is improved.

The invention discloses a building wall construction mechanism. The building wall construction mechanism comprises a supporting column, a workbench and a protective fence, wherein the lower end of the supporting column is fixedly connected with a stabilizing block, the middle of a threaded rod is connected with a movable block in a penetrating mode, a limiting groove is formed in the middle of the supporting column, a servo motor is installed at the lower right end of a supporting frame, the workbench is arranged on the upper side of the supporting column, the lower end of the workbench is fixedly connected with a fixing rod, the left end and the right end of the workbench are fixedly connected with handles, and the edge of the upper end of the workbench is fixedly connected with the protective fence. According to the building wall construction mechanism, the height of the workbench can be conveniently adjusted according to the construction requirements of an actual wall, the practicability of the construction structure is improved, the stability of the construction structure is high, construction materials can be conveniently and automatically conveyed, manual lifting is avoided, the labor intensity is reduced, meanwhile, safety protection can be conveniently carried out on workers, and the safety of the workers is guaranteed.

The invention is applicable to the technical field of bedding machines, and provides a steering device for mattress production. The steering device comprises a conveying table, a rotary table, a fixing sleeve and a lifting driving part, wherein a plurality of conveying rollers are rotationally arranged at the two ends of the upper surface, and the conveying rollers are connected with a driving device; the rotary table is arranged in the conveying table in a liftable manner and used for supporting rotation of a mattress, and the rotating axis of the bottom of the rotary table is fixedly connected with a cylindrical rotating column; the fixing sleeve is fixedly connected to the conveying table, sleeves the outside of a rotating column and is used for limiting the rotating path of the rotating column; and the top of the lifting driving part is coaxially and rotationally connected with the rotating column and used for driving the rotary table to ascend and descend. The fixing sleeve is internally and rotationally provided with at least one ball, a vertical groove and a threaded groove are formed in the side edge of the rotating column and communicate with each other to form a closed structure, the top of the vertical groove is higher than the upper portion of the threaded groove, and a one-way limiting part is arranged at the communicating portion. The steering device has the advantages of being simple in structure, good in continuity, low in production cost and good in synchronism.

The invention discloses a clamping type pipeline conveying device for municipal engineering construction. The clamping type pipeline conveying device comprises a support seat. Traveling frames are connected to the two sides of the lower end of the support seat. Rotary columns are connected to the middles of the two ends of the support seat. Hydraulic cylinders are connected to the two sides of theupper end of the support seat. Hydraulic shafts are connected to the upper ends of the hydraulic cylinders. Conveying boxes are connected to the upper ends of the hydraulic shafts. Guide sleeves arearranged at the upper ends in the conveying boxes. Rotary screw rods are arranged in the middles in the guide sleeves. Left movable blocks are connected to the left ends of the middles of the rotary screw rods. Left fixed rods are connected to the middles of the lower ends of the left movable blocks. Left clamping blocks are connected to the middles of the right ends of the left fixed rods. Left guide blocks are connected to the bottom ends of the left fixed rods. Right movable blocks are connected to the right ends of the middles of the rotary screw rods. Right fixed rods are connected to themiddles of the lower ends of the right movable blocks. Right clamping blocks are connected to the middles of the left ends of the right fixed rods. Right guide blocks are connected to the bottom endsof the right fixed rods. Through the clamping type pipeline conveying device, clamping of pipelines is achieved, meanwhile, labor intensity of municipal constructors is also relieved, and needs of conveying of municipal construction pipelines are met.

The invention provides a forklift capable of carrying a weight-bearing wheel. The forklift capable of carrying the weight-bearing wheel comprises a pallet fork, two parallel bars, a rack component and a rod type handle. A support on the pallet fork is connected with one ends of the two parallel bars through a hinge pin in a movable mode. The rack component is provided with a traveling wheel, a universal wheel and a connecting board. The connecting board is connected with the other ends of the two parallel bars through the hinge pin in a movable mode. One end of the rod type handle is provided with an upper handle, a lower handle and an excessive hand. The other end of the rod type handle is connected with one end of the parallel bar through a bolt. The forklift capable of carrying the weight-bearing wheel is simple and reasonable in structure, labor-saving and safe, labor intensity of workers is reduced and safe and reliable maintenance is ensured. According to the transport weight-bearing wheel forklift, the weight-bearing wheel can be carried portably, the heavy weight-bearing wheel can be lifted with the pallet fork in the disassembly and assembly process of the weight-bearing wheel fixing the bolt, accidents that the weight-bearing wheel suddenly falls down and hurt people due to the fact that human can not lift the weight-bearing wheel are avoided, and replacement work of the weight-bearing wheel becomes safer and labor-saving.

The invention relates to a fixed-length cutting machine for sterilized cloth, which comprises a flattening mechanism, a cutting mechanism and a roll dividing mechanism; a splitting shaft is supportedby the roll dividing mechanism through a first air cylinder; a paper tube used for roll dividing is clamped through a clamping shaft; and the cutting mechanism completes cutting through a cutting shaft and a cutting tool. According to the technical scheme, the cutting tool is separated from other structures, and the safety rate during cutting is increased when the cutting tool is pushed. Accordingto the scheme, a saw web cuts along the gap between cutting limiting plates, so that the cutting precision is improved, and the safety in use is improved; the splitting shaft is used for supporting cloth to be subjected to roll dividing, the first air cylinder is used for supporting the cloth to be separated, manual carrying and lifting are avoided, and the labor intensity is reduced; and roll dividing is conducted at different heights on the same side, the overall space of the device is reduced, the space utilization rate is increased, and the application range is wider.

The invention provides a vehicle-mounted swinging annular-sheet type sludge processing apparatus which is installed in a box body of a vehicle, and the box body is provided with a sewage inlet, a sewage discharge port and a material discharge port. The sludge processing apparatus is especially applicable to sewage processing of a manure pit, and comprises a pipeline crushing pump device, a screw pump device, a flocculating-agent dissolving water tank, a desilter device, a vibrating screening device, a clear-water tank, a hydraulic retractable capstan device, a diesel-oil mule generator unit, a discharge tank device, a swimming annular-sheet stack screw type solid-liquid separation machine device, a solid-liquid separation machine anti-blocking intelligent air-pushing device, a flocculation stirring mixing tank device, an air compressor device, an intelligent pneumatic type box-cleaning direct-discharge square ball valve device, a membrane filter screen type water purification filtration device and an integrated intelligent electronic control cabinet device.

The invention discloses a building sheet material conveying device. The building sheet material conveying device comprises two lower rods which are arranged in parallel and two high rods which are arranged in parallel, wherein when the building sheet material conveying device is used, the two high rods are put in front of a vehicle to be loaded; a sheet material is put between a tray and a baffle; the sheet material relies on the tray; the baffle can prevent the sheet material from falling off; the bottom of the sheet material is in contact with an anti-slipping pad; the anti-slipping pad can be used for preventing a conveyor belt from being abraded by the sheet material; and tray and the baffle are obliquely arranged so that the sheet material is convenient to take and put. A driving motor is started and a high rotary roller is driven to rotate, so that the sheet material is transported from a lower part to a high part; the sheet material is taken off and is loaded onto the vehicle, so that transportation work is finished; and a transportation manner with the structure can avoid manual lifting so that the labor intensity is alleviated and the working time is shortened.

The invention relates to a disinfection cloth cutting machine and a guide mechanism thereof. The disinfection cloth cutting machine comprises a pair of symmetrical leveling fixing plates and further comprises a cutting mechanism and a roll dividing mechanism. A first leveling shaft and a second leveling shaft are arranged between the leveling fixing plates in a running fit mode, and the cutting mechanism comprises a cutting shaft, a guide sliding plate and a cutting tool. The cutting tool comprises a connecting plate machine and a sliding block. According to the technical scheme, the cutting tool is separated from other structures, the safety rate during cutting is increased, meanwhile, a saw blade in the cutting tool is located in a protection groove, accidents are avoided during use, when the cutting tool is not used, a supporting shaft is supported on a pressing plate, according to the scheme, the saw blade conducts cutting along the gap between cutting limiting plates, so that thecutting precision is improved, the safety in use is improved, and the safety and the cutting precision in use are improved through the matching of the sliding block fixed on the connecting plate and the guide sliding plate.

The invention is suitable for the technical field of machining, and provides a part machining device. The device comprises a base, a support frame, a mounting frame, a lifting driving part, a machining part and a positioning groove; the support frame is mounted on the base; the mounting frame is connected to the support frame in a sliding manner; the lifting driving part is mounted on the support frame and is in sliding connection with the mounting frame through a reset part; the machining part is mounted on the mounting frame; the positioning groove is formed in the base and used for placing and positioning a workpiece; and wherein a rubber sleeve is rotationally arranged in the mounting frame, the rubber sleeve is located below the positioning groove, the rubber sleeve is coaxially connected with a one-way gear, a rack is fixedly connected to the mounting frame, the rack penetrates through the base in a sliding mode, and the rack is meshed with the one-way gear; and the lifting driving part drives the mounting frame to descend to machine the machined part, the lifting driving part drives the mounting frame to ascend, the rack ascends along with the mounting frame, the rack drives the one-way gear to rotate, and the fish fork rod ascends the workpiece and conveys the workpiece. The device has the advantages of being simple in structure, convenient to operate, energy-saving and good in synchronism.

The invention provides a biogas digester with high safety, and belongs to the technical field of biogas. The biogas digester with the high safety comprises a biogas digester body and a digester lid which is fixedly arranged at the top of the biogas digester body, the digester lid is provided with an air outlet, the biogas digester body is vertically provided with a fermentation bucket, the digester lid is provided with a slag discharging opening opposite to the fermentation bucket in a penetrating mode, the digester lid is fixedly provided with a sealing plate which seals the upper end opening of the slag discharging opening in a detachable mode, the inner bottom wall of the biogas digester body is fixedly provided with a motor, the motor is connected with the bottom of the fermentation bucket through a lead screw-nut transmission mechanism so as to drive the fermentation bucket to abut against the digester lid or away from the digester lid, when the fermentation bucket abuts against the digester lid, the top wall of the fermentation bucket abuts against the inner top wall of the digester lid so as to form sealing, the biogas digester body is vertically and fixedly provided with a straight pipe-shaped connecting pipe, the upper end of the connecting pipe penetrates through the digester lid, the lower end opening of the connecting pipe is internally fixedly provided with a cylindrical drain plug, and a power wire of the motor penetrates through the drain plug and the upper end opening of the connecting pipe in sequence. The biogas digester with the high safety has the advantages of being capable of lowering biogas waste in a deslagging process.

The invention relates to the technical field of three-dimensional scanners. The invention further discloses a tracking type laser three-dimensional scanner. The scanner comprises a mounting plate, three foot rods are movably mounted on the bottom face of the mounting plate, connecting rods are fixedly connected with the inner side faces of the three foot rods, inner grooves are formed in the top faces of the connecting rods, supporting rods are movably connected into the inner grooves in a sleeved mode, and trundles are fixedly mounted on the bottom faces of the supporting rods. The inventiondiscloses the tracking type laser three-dimensional scanner. The connecting rods are fixedly installed on the inner side faces of the foot rods. The inner grooves are formed in the top faces of the connecting rods; the supporting rods are sleeved by the short shafts in the inner grooves, and thus the supporting rods can rotate; the trundles are mounted on the bottom faces of the supporting rods, and when the scanner needs to be moved, the supporting rods are rotated and locked, so that the trundles on the bottom faces of the supporting rods are landed, the device is moved, the moving convenience of the device is improved, the device is prevented from being manually held for moving, the labor expenditure is reduced, and the device is convenient to use.

The invention relates to an adjustable storage device for suspension rings, which is characterized in that the storage device includes a connecting rod, a swing frame, a bracket, a worm wheel, a support seat and a worm, and a threaded round shaft is arranged on the swing frame, and the The round shaft of the screw thread arranges the swing frame on two supports, the worm gear is arranged on the round shaft of the swing frame, the worm is arranged in the support seat, and the connecting rod is fixed on the swing frame. The technical scheme has the advantages of compact structure, quickness, convenience, safety and reliability, low manufacturing cost, and large and medium-sized hoisting rings can be placed; time and effort are saved, and safety accidents are avoided.

The invention discloses an automobile exterior decoration supporting piece, and relates to the field of automobile exterior decoration. The automobile exterior decoration comprises a support, the support comprises a bottom plate, protecting plates are symmetrically arranged at the left end and the right end of the bottom plate, two sliding rods are arranged between the protecting plates in parallel, the sliding rods comprise an upper sliding rod and a lower sliding rod, and the two ends of the sliding rods are correspondingly in sliding connection with the protection plates, the upper slidingrod and the lower sliding rod are connected through a transmission assembly, and working assemblies are symmetrically arranged on the sliding rods in a left-right symmetry mode. By adopting the automobile exterior decoration supporting piece, the automobile exterior ornament can be installed more quickly, and the working efficiency is improved.

The invention relates to a permanent magnet motor assembling support and an operation method thereof, the permanent magnet motor assembling support comprises a bedplate, a stator, a rotor and an end cover, the bedplate is slidably connected with an installation mechanism for installing the stator, the installation mechanism is connected with a driving mechanism for driving the installation mechanism to move horizontally, the stator is detachably connected to the installation mechanism, and the stator is detachably connected to the end cover. And the rotor and the end cover are both arranged above the bedplate. The stator is installed on the installation mechanism, at the moment, the stator can slide on the platen through the driving mechanism, the stator can be arranged on the periphery of the rotor in a sleeving mode through sliding, one end of the stator is clamped on the end cover in a sleeving mode, assembling of the permanent magnet motor is completed, and the rotor is a permanent magnet and is high in magnetic attraction force; when the permanent magnet motor is assembled in the mode, the rotor can be prevented from deviating due to magnetic attraction force, meanwhile, the rotor is prevented from being lifted manually, workers are prevented from being scratched, the body health of the workers is prevented from being affected, and the permanent magnet motor can be assembled conveniently and efficiently.

The invention discloses a manual digging pile lifting equipment. The manual digging pile lifting equipment comprises a base (1), a steel wire rope (8), a longitudinal beam (2) and a hanging beam (3).The base (1) is provided with a winch (7) and a distribution box (5), the upper part of the base (1) is provided with a fence (4), the bottom of the longitudinal beam (2) is fixedly connected with thebase (1), the surface of the longitudinal beam (2) is provided with a control switch (11), the top of the longitudinal beam (2) is connected with the hanging beam (3) through a rotating shaft (6), and the end and the upper surface of the hanging beam (3) are respectively provided with pulley blocks (9). The longitudinal beam and the hanging beam are connected by the rotating shaft, and the hanging beam can rotate relative to the longitudinal beam. The hook position is convenient to adjust before lifting, so that a hook can enter a hole smoothly, and after the lifting, lifted containers such as an iron bucket are taken down from two sides of the hole conveniently.

The invention provides a sewing machine carrier which is used for conveying sewing machines. The sewing machine carrier comprises a supporting plate for supporting a sewing machine and a traveling device mounted at the bottom of the supporting plate. During use of the sewing machine carrier, the sewing machine is placed on the supporting plate, and then the traveling device at the bottom of the supporting plate is controlled to move, so that the purpose of conveying the sewing machine is achieved. Compared with the prior art, the sewing machine carrier which realizing conveying of the sewing machine by controlling the traveling device has the advantages that the process of manually lifting the sewing machine for a long distance is omitted, labor intensity of operators is reduced effectively, the problem about loosening of mechanical parts is avoided further, and normal use of the sewing machine is guaranteed.

The invention relates to a disinfection cloth cutting machine and a swing mechanism thereof. The disinfection cloth cutting machine comprises a pair of mutually symmetrical leveling fixing plates, anda first leveling shaft and a second leveling shaft are arranged between the leveling fixing plates in a running fit manner. The disinfection cloth cutting machine also comprises a roll dividing mechanism and a cutting mechanism, and the cutting mechanism comprises a cutting shaft and a cutting tool. A cutting limiting plate is arranged on the cutting shaft, and the cutting tool comprises a saw blade arranged in a protective plate. According to the technical scheme, the cutting tool is separated from other structures and pushed to improve the safety rate during cutting, meanwhile, the saw blade in the cutting tool is located in a protection groove, accidents during use are avoided, the supporting shaft is supported on a pressing plate when the cutting tool is not used, and the saw blade can prevent people from being accidentally injured under the protection of the protective plate and the pressing plate; and the cutting shaft can swing, the position of a cutting point is changed by changing the position of the cutting shaft, and the safety during cutting is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a medical inflatable mattress. The medical inflatable mattress comprises a bottom pad, wherein inflatable cushions are arranged on the front side and the rear side of the bottom pad, each inflatable cushion comprises an upper air cushion and a lower air cushion, the upper air cushions are connected with the bottom pad through shackles, the lower air cushions are connected with the bottom pad through shackles, each of the upper air cushions and the lower air cushions comprises a first air bag and asecond air bag, the first air bag and the second air bag of each upper air cushion are bonded into a whole, the first air bag and the second air bag of each lower air cushion are bonded into a whole,the first air bags are connected through air pipes to form a first air bag set, the second air bags are connected through air pipes to form a second air bag set, the first air bag set and the second air bag set are both provided with air inlet pipes, the upper air cushions are connected with first connecting pieces and second connecting pieces, first assembly grooves are formed in the bottom pad,first jacking air bags are assembled in the first assembly groove, second assembling grooves are formed in the bottom pad, and second jacking air bags are assembled in the second assembling grooves.

The invention discloses a storing conveying device for aluminum panel tea tray production machining. The storing conveying device comprises a base, stock racks, storage boxes and shelves; handles areinstalled on the left side of the base, universal wheels are connected to the bottom of the base, and a rotary disc is installed on the inner side of the upper middle portion of the base; the stock racks are located above the rotary disc and connected with a fan through fixing frames on the inner side, and the surfaces of the inner sides of the stock racks are provided with ventilation holes; thestorage boxes are located in the stock racks, clamping plates is installed on the inner sides of the upper portions of the storage boxes, and the inner sides of the clamping plates are provided with clamping grooves; and the shelves are fixed to the upper surfaces of the bottoms of the storage boxes through spring columns on the lower portion. According to the storing conveying device for aluminumpanel tea tray production machining, the slide blocks, inner slide grooves and outer slide grooves are arranged, the stock racks are rotated through the rotary disc, accordingly, the storage boxes onthe inner sides are driven to rotate, then, objects in the storage boxes can be taken out, and the working efficiency of the storing conveying device is improved.

The invention discloses a concrete tube lifting tool. The concrete tube lifting tool comprises a base, wherein an arc-shaped slot I is formed in the left part of the upper end of the base; two storageslots are formed in the lower slot wall of the arc-shaped slot I; one lifting mechanism is arranged in each storage slot; two fixing mechanisms which are positioned at the outer sides of the two lifting mechanisms are fixedly mounted on the right part of the upper end of the base; two lifting plates are fixedly welded on both the left part of the upper end of the base and the right part of the upper end of the base; a longitudinal rod is fixedly co-connected between the two lifting plates on the same horizontal plane left and right; a plurality of transverse rods are welded between the two longitudinal rods; the lower end of the base is fixedly connected to a plurality of rubber strips; a concrete tube main body is fixedly co-connected between the left parts of the fixing mechanisms and the lifting mechanisms such that a concrete tube is lifted by the lifting mechanisms and is further fixed by the fixing mechanisms. The concrete tube lifting tool disclosed by the invention is compactin structure, is strong in stability, is high in degree of automation, adopts a convenient-to-operate lifting method, and avoids potential safety hazards.