32results about How to "Easy to lift and transfer" patented technology

The invention discloses a manual hole digging pile construction process for a quicksand geologic condition. The process comprises the following steps: 1, setting out and positioning are carried out; 2, a first-section pile hole is dug and a first-section retaining wall is poured; 3, a template support detection frame is arranged in a retaining wall template, and the retaining wall forming qualityis detected; 4, the next layer of earthwork is dug; 5, retaining wall concrete is poured; 6, the fourth step and the fifth step are repeated, if serious quicksand soil is encountered during the digging process, digging is stopped and the retaining wall template is assembled and hoisted in a pile hole, after the retaining wall template is hoisted, a sunk-well method is adopted to clear the quicksand in the hole, and every time a section is cleared, the retaining wall template moves downward for a section under the action of the self-weight until all quicksand outside the template is cleared, and then, pouring of retaining wall concrete is carried out; 7, acceptance check is carried out; 8, a reinforcing cage is made and hoisted; and 9, pile body concrete is poured. The obtained manual holedigging pile construction process for the quicksand geologic condition disclosed in the invention is simple and can handle the quicksand soil.

The invention discloses an automatic production line for a concrete pipe pile. The automatic production line comprises a bottom frame, a vertical rod is fixedly connected to the left side of the top of the bottom frame, and a transmission assembly is arranged at the top of the bottom frame. According to the automatic production line for the concrete pipe pile, a grooved wheel and a belt are connected in a rotating mode, a curved frame pushes a supporting groove to enable a first round roller to abut against a pipe pile mold, so that the automatic transmission effect on the pipe pile mold can be achieved, then integrated machining is facilitated, axial rotary adjustment can be carried out on the pipe pile mold, and then the use convenience and practicability are improved; and racks are connected in a meshing mode, a flow dividing box and a bracket are correspondingly arranged, so that the flow dividing box can drive a spray head to swing in the axial direction in a reciprocating mode, then release agent spraying or water washing can be carried out on the pipe pile mold according to use requirements during transmission of the pipe pile mold, in addition, the spraying uniformity is better, omission is avoided, then the cleanliness of the pipe pile mold is improved, the demolding effect is better, and then the pipe pile quality is improved.

The invention discloses a hydraulic gear and rack oil cylinder for pipeline valve opening and closing. The hydraulic gear and rack oil cylinder comprises a box, a rack A, a rack B and a pipeline valve with a rotation switch. A hydraulic oil cylinder A and a hydraulic oil cylinder B are fixedly arranged on one side of the box in a horizontal parallel manner. A hydraulic oil cylinder C is fixedly arranged on the side, opposite to the hydraulic oil cylinder A, of the box, and a hydraulic oil cylinder D is fixedly arranged on the side, opposite to the hydraulic oil cylinder B, of the box. The rack A horizontally penetrates the box, and the two ends of the rack A are fixedly connected with a piston of the hydraulic oil cylinder A and a piston of the hydraulic oil cylinder C correspondingly. The rack B horizontally penetrates the box, and the two ends of the rack B are fixedly connected with a piston of the hydraulic oil cylinder B and a piston of the hydraulic oil cylinder D correspondingly. A gear located between the rack A and the rack B is vertically arranged in the box and engaged with the rack A and the rack B. The lower end of the gear is fixedly connected with the rotation switch of the pipeline valve. The hydraulic gear and rack oil cylinder has the beneficial effects that the structure is simple, dual twisting force is provided, energy consumption is low, and the using cost is low.

The invention discloses a single beam lifting hook portal crane. The single beam lifting hook portal crane comprises supporting frames. The middles of the inner sides of the supporting frames are rotationally connected with threaded rods, the inner sides of the lower surfaces of the supporting frames are rotationally connected with wheels, the inner sides of the lower ends of the supporting framesare rotationally connected with positioning wheels, the sides, away from the supporting frames, of movable plates are fixedly connected with a main beam through bolts, the lower surface of a connecting block is fixedly connected with a lifting device through a bolt, first mooring ropes are arranged on the inner side of the lifting device, the lower ends of second pulleys are fixedly connected tothe upper surface of a fixed plate, the inner side of the fixed plate is rotationally connected with a rotary column, and the front ends of fixing devices are fixedly connected with a crank. Accordingto the single beam lifting hook portal crane, a lifting trolley can be conveniently overhauled and maintained, up-and-down climbing during overhauling is avoided, in addition, higher firmness is achieved when materials are lifted through the crane, the materials are conveniently lifted and transferred, and the convenience of overhauling and the practicality of the crane are improved.

The invention discloses a tool for horizontal series connection casting and a using method. The tool comprises a bottom bracket, and further comprises a left supporting plate, a right supporting plate, a movable plate, two positioning guiding pins and a fastening lead screw, wherein the left side and the right side of the bottom bracket are respectively provided with two hanging handles, the left supporting plate and the right supporting plate are fixed to the two ends of the bottom bracket respectively and arranged in a face-to-face mode, a lead screw guiding hole with internal threads and guiding pin holes are formed in the right supporting plate, the two positioning guiding pins are fixedly connected to the movable plate and are in sliding fit with the corresponding guiding pin holes in the right supporting plate, and the fastening lead screw is in screw-thread fit with the lead screw guiding hole in the right supporting plate. The using method comprises the steps that a product sand mold is attached to the upper surface, where the left supporting plate is arranged, of the bottom bracket, next product sand molds are sequentially and continuously arranged in the direction of the movable plate in series, the fastening lead screw is rotated, the movable plate is pushed to move forwards until the movable plate is tightly attached to the product sand molds, and the product sand molds are tightly attached until no gaps exist. The tool is easy to operate and high in working efficiency.

The invention discloses a push-pull and air cushion dual-purpose transport vehicle which comprises a vehicle body, air floatation systems, wheel trains, handrails, four lifting rings, a butt flange, a steering traction mechanism and supporting mechanisms. The air floatation systems and the wheel trains are mounted at the bottom of the vehicle body, the supporting mechanisms for supporting the vehicle body are mounted at four corners of the bottom of the vehicle body, the push-pull handrails are mounted at four corners of the top of the vehicle body, the butt flange which is butted with a to-be-transported object is arranged at the center of the vehicle body, the four lifting rings are mounted on the side wall of the vehicle body, and the steering traction mechanism is mounted at the front end of the vehicle body. Each air floatation system comprises air cushion plates, air cushion rings, quick-connecting hoses and a control cabinet, the air floatation systems are of detachable structures and disposed at the four corners of the bottom of the vehicle body, each air cushion ring is disposed inside the corresponding air cushion plate, each air cushion plate is inserted into a groove of the bottom of the vehicle body, the quick-connecting hoses are connected into the corresponding air cushion rings via the side walls of the air cushion plates, and air holes are distributed in each air cushion ring. Push-pull and air cushion functions are realized, transportation cost is saved greatly, and security and stability are higher.

The invention provides a method for ex-situ rejuvenation of an endangered ancient tree. The method for ex-situ rejuvenation of the endangered ancient tree is realized by using equipment for ex-situ rejuvenation of the endangered ancient tree, so that the ex-situ rejuvenation of the endangered ancient trees is completed. The equipment for ex-situ rejuvenation of the endangered ancient tree comprises a rack; a positioning device is mounted at the top end of the front side of the rack, and two side moving frames are mounted at the bottom end of the front side of the rack; a rotating shaft is arranged at the bottom end of the inner side of each side moving frame, and the rotating shafts at the bottom ends of the inner sides of the side moving frames are rotationally mounted at the bottom end of the front side of the rack; and adjusting components are mounted at the top ends of the side moving frames on the two sides. The middle section of the trunk of the ancient tree is clamped and fixed through the positioning device, the operation positions of the side moving frames are adjusted and positioned, cylindrical ex-situ at the root of the ancient tree is excavated and isolated through reciprocating motion of two moldboards, and the arc-shaped motion trail of the moldboards can be adjusted according to the optimal range, obtained through calculation, of the rhizome of the ancient tree.

The invention discloses ultrafiltration membrane sewage treatment equipment based on non-compact type filter elements, which comprises a plurality of rows of non-compact type filter elements arranged side by side, the outlet ends of the plurality of rows of non-compact type filter elements are respectively communicated with a plurality of water outlet branch pipes, the water outlet branch pipes are communicated with a water outlet main pipe, the water outlet main pipe is communicated with a water outlet joint, and the water outlet joint is communicated with a water inlet pipe. One ends, far away from the outlet ends, of the multiple rows of non-compact filter elements are respectively communicated with a plurality of back-washing branch pipes, the back-washing branch pipes are communicated with a back-washing main pipe, the back-washing main pipe is communicated with a back-washing joint, each non-compact filter element is arranged in an assembly box, and the back-washing joint is arranged in the assembly box. A first cover plate and a second cover plate are respectively arranged at two opposite ends of the assembly box, and are respectively positioned at two axial ends of each non-compact filter element. According to the invention, the filtering effect is improved, the filth blockage frequency of the body is reduced, the service time is prolonged, and meanwhile, the backwashing efficiency and the backwashing effect are improved. The invention is suitable for the technical field of sewage treatment.

The invention discloses a medical hoisting and transferring device for a high-position paralyzed patient, belonging to the technical field of medical treatment. The hoisting and transferring device comprises movable bases, wherein a supporting rod is respectively and fixedly installed at two ends of the upper part of each movable base; a top plate is fixedly mounted at the top ends of the supporting rods; a driving motor is respectively mounted at two sides of the upper surface of the top plate; a traction rope is wound at the outer side of each winding roller; and the part, located on the upper surface of the top plate, of each traction rope is fixed through a fixing assembly. The medical hoisting and transferring device provided by the invention is scientific and reasonable and is safe and convenient to use; through arrangement of fixing assemblies, the weight of a patient on a hoisting plate is prevented from directly acting on the driving motors to cause load to the driving motors,so the service life of the driving motors can be effectively prolonged; meanwhile, the situation that the hoisting plate moves downwards due to automatic reverse rotation of the driving motors to cause threats to the patient on the hoisting plate is avoided, so the hoisting plate is more stable in the hoisting and transferring process of the patient, and accidents are avoided.

The invention discloses novel crane hoisting equipment for industrial production. The equipment comprises a base frame, side supports are connected to the left side and the right side of the base frame, vertical sleeves are connected to the centers of the tops of the side supports, stand columns are connected into the vertical sleeves in an inserted mode, the upper ends of the two stand columns are jointly connected with a guide cross beam, the guide cross beam is sleeved with a moving base, the bottom of the moving base is rotationally connected with a steering shaft, the lower end of the steering shaft is connected with a traction mechanism, the front end of the traction mechanism is connected with a storage shell, and the front end of the storage shell is open. The device is reasonable in structural design, convenient to move and easy to operate, and industrial molds can be conveniently hoisted and transferred after being loaded and unloaded, so that the using safety coefficient of the device is improved, and using is very convenient.

The invention discloses a new energy photovoltaic panel good product detection platform and a use method, the new energy photovoltaic panel good product detection platform comprises a detection table,a waist-shaped guide rail and a plurality of hoisting mechanisms, the detection table is provided with rectangular detection circulation grooves distributed front and back, and detection devices areembedded in the middle sections of the left and right end faces of the detection table; the opposite side walls of the two detection devices are flush with the left end face and the right end face ofan inner cavity of the rectangular detection circulation groove, supporting rods extend from the left side, the right side, the front side and the rear side of the upper portion of the left end face of the detection table, and the side walls of the inner sides of the kidney-shaped guide rails are fixedly welded to the tips of the multiple supporting rods correspondingly. Each hoisting mechanism isclamped with the waist-shaped guide rail in a sliding manner; Each hoisting mechanism is clamped with the waist-shaped guide rail in a sliding manner, passes through the rectangular detection circulating groove of the detection table and comprises a sliding clamping seat, an extending cross beam, a hoisting rod and a hoisting plate. According to the invention, the photovoltaic panel can be rapidly and effectively hoisted and conveyed, and passes between the two detection devices of the detection table in sequence, so that the front and back surfaces of the photovoltaic panel can be rapidly and effectively detected, and the detection efficiency is improved.

The invention discloses a rapid and low-cost filling system device for underground abandoned roadways of coal mines. A first driven wheel, a driving wheel and a second driven wheel are mounted on theupper surface of a bottom frame in sequence from left to right; a horizontal conveyer belt is wound between the first driven wheel and the driving wheel; an inclined conveyer belt is wound between thedriving wheel and the second driven wheel; a loading hopper is mounted on the outrigger of the second driven wheel; the lower end of a crusher shell is connected with an unloading hopper; a filling bag is sleeved in a loading frame; the lower port of a pod passes through a control valve to be connected with a preheating supply pump; the preheating supply pump is connected with an injection pipe through a connection hose; a plurality of sprinkling holes are uniformly formed in the surface of the injection pipe; and the middle part of the injection pipe is movably hoisted on an upright tube through a hanging spring. The rapid and low-cost filling system device for the underground abandoned roadways of the coal mines is low in filling raw material cost and high in field packaging, stacking and filling efficiency, and is capable of improving the coal pillar recovery cleanliness.

The invention relates to a low-energy-consumption assembly type movable epidemic prevention isolation cabin. A fresh air system is arranged in the isolation cabin, the fresh air system comprises a first filter, a second filter and a vaporizer used for spraying disinfectant, and a plasma sterilizer is arranged at an air outlet, so that the sterilization difficulty in the isolation cabin is reduced; meanwhile, the inner wall of the isolation cabin is an antibacterial plate, so that bacteria are not easy to survive on the inner wall of the isolation cabin; and a plurality of detachable connecting pieces are arranged between different plates of the wall body of the isolation cabin, so that the whole isolation cabin is simple to assemble, and the site construction time is shortened. Through the adopted structure and material, the isolation cabin is light in weight, and a hanging ring is arranged on the roof, so that the whole isolation cabin is convenient to hoist and transfer; and meanwhile, the inner wall and the outer wall of the isolation cabin are aluminum-zinc-plated steel plates with the surfaces coated with fluorocarbon coatings in a rolling mode, so that the whole isolation cabin is more resistant to corrosion, and the service life is prolonged. The thermal insulation materials are arranged in the wall bodies and the connecting pieces, so that the thermal insulation performance of the isolation cabin is improved, and the overall energy consumption is reduced.

The invention provides a crystal boat, a crystal boat transfer device and a wafer transfer system containing the crystal boat and the crystal boat transfer device and belongs to the technical field of transmission transfer of semiconductor wafers. The crystal boat comprises a prying support rod and a support baffle rod, the prying support rod and the support baffle rod are fixed on the outer surface of a body and are mutually and basically parallel, the crystal boat transfer device is mostly of a prying rod shape, a prying hook is arranged on the end portion of the crystal boat transfer device, a gap is arranged between the prying support rod and the support baffle rod so as to enable the prying hook which is used for the crystal boat transfer device of the crystal boat to be conveniently acted on the prying support rod and the support baffle rod, the back face of the prying hook is acted on the support baffle rod and takes the support baffle rod as a support point, a channel groove face of the prying hook is acted on the prying support rod in a holding mode, so that slipping of the crystal boat in the process of transmission is prevented. Therefore, the wafer transfer device using the crystal boat and the crystal boat transfer device can conveniently lift and transfer the crystal boat which is loaded with the wafers, possibility of damage of the crystal boat and the wafers is small, and wafer transmission and transfer are convenient, and not easy to stain.

The invention discloses a push-pull and air cushion dual-purpose transport vehicle which comprises a vehicle body, air floatation systems, wheel trains, handrails, four lifting rings, a butt flange, a steering traction mechanism and supporting mechanisms. The air floatation systems and the wheel trains are mounted at the bottom of the vehicle body, the supporting mechanisms for supporting the vehicle body are mounted at four corners of the bottom of the vehicle body, the push-pull handrails are mounted at four corners of the top of the vehicle body, the butt flange which is butted with a to-be-transported object is arranged at the center of the vehicle body, the four lifting rings are mounted on the side wall of the vehicle body, and the steering traction mechanism is mounted at the front end of the vehicle body. Each air floatation system comprises air cushion plates, air cushion rings, quick-connecting hoses and a control cabinet, the air floatation systems are of detachable structures and disposed at the four corners of the bottom of the vehicle body, each air cushion ring is disposed inside the corresponding air cushion plate, each air cushion plate is inserted into a groove of the bottom of the vehicle body, the quick-connecting hoses are connected into the corresponding air cushion rings via the side walls of the air cushion plates, and air holes are distributed in each air cushion ring. Push-pull and air cushion functions are realized, transportation cost is saved greatly, and security and stability are higher.

The invention relates to the technical field of steel plate hoisting machinery, in particular to a novel mechanical device for hoisting and transferring steel plates, which comprises a cross beam, a suspension mechanism connected with a crane hook is mounted on the cross beam, a protection mechanism is mounted on the suspension mechanism, and three groups of adsorption mechanisms for adsorbing the steel plates are equidistantly mounted on the cross beam. A driving mechanism is installed on the three sets of adsorption mechanisms, three sets of cleaning mechanisms for cleaning the bottoms of the adsorption mechanisms are installed on the driving mechanism, and storage mechanisms for storing sundries are arranged on the cleaning mechanisms; the cleaning mechanism is arranged on the adsorption mechanism, and before the adsorption mechanism adsorbs the steel plate, the driving mechanism drives the cleaning mechanism to rotate, so that the cleaning mechanism cleans sundries at the bottom of the adsorption mechanism, the situation that the adsorption effect is reduced due to the fact that a gap exists between the adsorption mechanism and the steel plate is avoided, and stable carrying of the steel plate is facilitated.

The invention discloses a cable rear connection type gas-insulated switchgear, and relates to the technical field of gas-insulated switchs.The cable rear connection type gas-insulated switchgear comprises a gas-insulated switchgear body, the outer wall of the gas-insulated switchgear body is fixedly connected with a condensation heat absorption pipe, the outer wall of the condensation heat absorption pipe is movably connected with a protective air bag, and one side of the protective air bag is provided with a bearing plate; an adjusting chamber is fixedly connected to the upper surface of the inflatable cabinet body, and a first arc-shaped elastic piece is arranged on the inner wall of the protective air bag. When the outer surface of the inflatable cabinet body is impacted, a bearing plate transmits impact force to multiple sets of transverse reset springs and lantern ring springs, meanwhile, the bearing plate is subjected to pressure deformation to generate counter-acting force, vibration impact transmitted on the bearing plate is counteracted, and therefore the surface of the inflatable cabinet body is protected; heat flows through the surface of the gas-insulated switchgear main body, the heat exchange area is increased by utilizing a rotary flow path of the condensation heat absorption pipe, the heat dissipation efficiency is improved, and heat accumulation in the gas-insulated switchgear main body is avoided.

The invention relates to the technical field of river sewage treatment, and discloses an aquatic plant platform for river and lake sewage treatment. The platform comprises two cross bars and bottom plates, wherein two sides of the two cross bars are supported and fixed above the bottom plates through supporting rods, and a planting structure and a floating structure are arranged below the cross bars. The planting structure comprises first growth plates, a second growth plate, vertical bars, clamping grooves, growth cylinders, a plate groove, a ring plate, a cylinder groove and through holes; aplurality of vertical bars are vertically welded at the bottoms of the cross bars on the front side and the rear side, and the first growth plates are arranged between the vertical bars on two sidesbelow the cross bars. The first growth plates and the second growth plate are slidably limited by arranging the cross bars and the vertical bars, and foam blocks are embedded and fixed on the sides ofthe two plates, so that positions of planting plants can be limited, and growth height of the plants can be adjusted according to water surface height, and the purification effect of the plants on sewage is ensured.

The invention discloses automatic equipment for drying potato slices. The automatic equipment is formed by a cleaning cylinder, a slicing machine, a slicing platform, a transfer plate, a mechanical arm, a water bath, a conveying platform, a baking oven and an object output platform. After potatoes are cleaned and peeled in the same production line by utilizing the cleaning cylinder, the potato slices can be contained in the transfer plate after the potatoes automatically slip into the slicing machine for slicing, the mechanical arm is used for moving the transfer plate in which the potato slices are contained to the water bath for being boiled, the transfer plate can be lifted up and placed on the conveying platform by the mechanical arm when the potato slices are boiled to be about well done, the transfer plate can be conveyed from the conveying platform to the baking oven for being heated and baked, the process just requires one people to complete drying of the potato slices, the problem of waste caused by dull of sale of potatoes is effectively solved, and better economic benefit is brought.

The invention discloses a positioning and clamping device for garment processing, and the device comprises a bottom plate; a vertical plate is fixedly connected to the right side of the top of the bottom plate, and a sliding groove is formed in the right side of the vertical plate. Through cooperation of the bottom plate, the vertical plate, the sliding groove, the first threaded sleeve, the firstthreaded rod, a driven gear, a driving gear, a motor, a rotating shaft, a movable plate, a supporting rod, a movable block, a lever plate, a stress plate, a pressing plate, a sliding rail, a slidingblock, a sliding plate, a groove, a second threaded sleeve, a second threaded rod, a rotating wheel, a lifting plate and a pressing roller, so the the surface of a garment can be flattened before being clamped and positioned, and then the garment is clamped after being flattened, so later garment processing work can be facilitated, the purpose that the positioning and clamping device for garment processing is good in positioning effect is achieved, and the use efficiency and practicability of the positioning and clamping device are greatly improved; and the processing requirements of the current garment processing market are met.

The invention relates to the technical field of steel plate hoisting machinery, in particular to a mechanical device for hoisting and rotating steel plates, comprising a cross beam, a suspension mechanism connected with a driving hook is installed on the cross beam, and a protection mechanism is installed on the suspension mechanism, Three sets of adsorption mechanisms for adsorbing steel plates are installed equidistantly on the beam, three sets of adsorption mechanisms are installed with drive mechanisms, and three groups of cleaning mechanisms are installed on the drive mechanisms for cleaning the bottom of the adsorption mechanisms. The mechanism is provided with a storage mechanism for storing debris; the adsorption mechanism is provided with a cleaning mechanism. Before the adsorption mechanism absorbs the steel plate, the driving mechanism drives the cleaning mechanism to rotate, so that the cleaning mechanism can clean the debris at the bottom of the adsorption mechanism. Avoid the gap between the adsorption mechanism and the steel plate to reduce the adsorption effect, which is conducive to the smooth handling of the steel plate.

The invention discloses a supporting assembly for removing a supporting beam in a foundation pit. The supporting assembly comprises bearing tables and a plurality of supporting legs. A plurality of grooves are formed in the upper surfaces of the bearing tables. Screw rods movably penetrate through the lower surfaces of the bearing tables and then enter the corresponding grooves. Round fixing top plates are installed at the upper ends of the screw rods. Lifting top plates are arranged on the peripheral walls of the screw rods and are arranged in the corresponding grooves. Round grooves are formed in the upper surfaces of the lifting top plates. The axial depth of the round grooves is larger than the axial length of the fixing top plates. Guide rails are arranged on the inner walls of the grooves in the axial directions of the screw rods. The outer walls of the lifting top plates are provided with openings. In the cutting process, the lifting top plates and the bearing tables form a whole and are limited by the grooves and the screw rods. Compared with a traditional square wooden plug, the lifting top plates cannot offset; and moreover, when a certain action stress is generated in the cutting process, springs which are in a compressed state all the time can still provide stress buffer for the lifting top plates, and therefore the stability of the lifting top plates in the vertical direction is guaranteed.

The invention provides a crystal boat, a crystal boat transfer device and a wafer transfer system containing the crystal boat and the crystal boat transfer device and belongs to the technical field of transmission transfer of semiconductor wafers. The crystal boat comprises a prying support rod and a support baffle rod, the prying support rod and the support baffle rod are fixed on the outer surface of a body and are mutually and basically parallel, the crystal boat transfer device is mostly of a prying rod shape, a prying hook is arranged on the end portion of the crystal boat transfer device, a gap is arranged between the prying support rod and the support baffle rod so as to enable the prying hook which is used for the crystal boat transfer device of the crystal boat to be conveniently acted on the prying support rod and the support baffle rod, the back face of the prying hook is acted on the support baffle rod and takes the support baffle rod as a support point, a channel groove face of the prying hook is acted on the prying support rod in a holding mode, so that slipping of the crystal boat in the process of transmission is prevented. Therefore, the wafer transfer device using the crystal boat and the crystal boat transfer device can conveniently lift and transfer the crystal boat which is loaded with the wafers, possibility of damage of the crystal boat and the wafers is small, and wafer transmission and transfer are convenient, and not easy to stain.

The invention discloses a hydraulic system for manual emergency lifting of a whole box hopper. The system comprises a motor, a hydraulic pump, a three-position four-way O-shaped electromagnetic reversing valve, a first one-way valve, a second one-way valve, a two-position two-way electromagnetic reversing valve, a hopper oil cylinder, a high-pressure ball valve, a manual pump and an oil tank. Thehydraulic system has the following characteristics that 1, under the normal working condition, when a power source suddenly breaks down, the hopper can be guaranteed to be safe and not to decline sharply, and the personal safety is not endangered; 2, when a power system fails, the hopper can undergo manual emergency lifting conveniently, so that the fault can be eliminated in time, and the garbageoperation efficiency is ensured; 3, a hook arm vehicle can be guaranteed to conveniently and timely perform hoisting and transporting when the fault is large and a whole box needs to be transported to a maintenance factory for overhaul; 4, the hopper can rapidly and safely undergo manual emergency lifting, and the safety and efficiency of maintenance are ensured; and 5, the safety of life and property when a rubber pipe is burst is guaranteed.