491results about How to "Avoid stress" patented technology

The invention discloses an injection molding process for a plastic part of an air purifier, and relates to the technical field of injection molding processes. Multi-area dynamic mold temperature adjustment is performed, a plurality of temperature control areas are divided according to the thin wall and curved surface structure characteristics of the plastic part, the temperature is adjusted in real time, stress concentration and deformation are remarkably reduced, and the service life of the plastic part is prolonged. The problem of shrinkage stress of a thin-wall area is solved in a targeted mode, cooling of a thick area is accelerated, meanwhile, real-time temperature control and deformation compensation are controlled in a linkage mode, the temperature and the cooling rate are dynamically adjusted according to deformation data monitored in real time, and the deformation trend is predicted, so that pre-deformation compensation is provided, warping of the thin-wall area and the curved surface area is controlled, and deformation of the thin-wall area and the curved surface area is controlled. The stability of the plastic part in the forming process is kept, and the product precision is improved; in addition, simulation prediction and mold parameter adjustment are carried out, cooling requirements of different areas are adjusted, the temperature difference between the thin wall and the curved surface area is reduced, and the whole cooling process is more efficient.

The invention relates to the field of solidified soil, and particularly discloses solid-waste-based premixed flow-state solidified soil and a preparation method thereof. The solid-waste-based premixed flow-state solidified soil comprises soil, water and a curing agent according to the weight ratio of (28-36): (50-54): (6-9), according to the total weight of the curing agent, the curing agent comprises the following components in parts by weight: 20-40 parts of fly ash, 30-47 parts of slag, 6-18 parts of silica fume, 10-15 parts of sea sludge, 1-3 parts of a water reducing agent, 1-3 parts of sodium hydroxide, 1-3 parts of calcium sulphoaluminate, 3-10 parts of a fiber reinforced material and 1-3 parts of phosphate. The problems that stress generated by the solidified soil in the hydration process is excessively concentrated and shrinkage is excessive can be solved, and therefore cracking of the solidified soil subjected to premixed flow state solidification is reduced.

The full-flow low-flow-resistance quick connector comprises a main shell and a valve element rotationally arranged in the main shell, a valve element flow channel is formed in the valve element, the valve element is connected with a rotating valve rod driving the valve element to rotate, an interlocking connecting piece is arranged at the head end of the main shell, and the interlocking connecting piece is connected with the valve element flow channel. The locking pin is installed in the sliding cavity of the main shell in a telescopic mode, and the head end of the locking pin can penetrate through the interlocking connecting piece and be exposed out of a pin hole of the interlocking connecting piece. When the valve core rotates to a valve closing state, the head end of the locking pin is allowed to be pressed down after being pressed, so that the head seat interlocking connecting piece is allowed to be unlocked; when the valve element rotates to the state that the valve is not closed, the head end of the locking pin is not allowed to be pressed down after being pressed, so that the head seat interlocking connecting piece is not allowed to be unlocked, the head seat cannot be separated, the locking pin locks the locking clamping clack so that the locking clamping clack cannot rotate relatively, the head seat cannot be separated, and the connecting state is stable and reliable.

The invention relates to the technical field of underwater engineering, in particular to an assembly optimization analysis method for modular assembly of an underwater bearing platform, which comprises the steps of modular design of components, establishment of an underwater positioning system, optimization of an assembly sequence, formulation of an underwater assembly process, stress monitoring and analysis, structural optimization analysis after assembly and environmental adaptability evaluation and adjustment. Stress distribution and deformation conditions under different assembly sequences are simulated through a finite element model, the stress condition in the module assembly process is monitored in real time in combination with a sensor, and an assembly strategy is adjusted in time. Furthermore, based on comprehensive collection and analysis of water area environment data, the anti-corrosion, anti-scouring and anti-biological adhesion design of the bearing platform is optimized, and the service life of the bearing platform is prolonged. Through systematic optimization design and real-time monitoring, the assembly precision, the structural stability and the long-term durability of the bearing platform are ensured.

The invention belongs to the technical field of force-magnetic characteristic testing, and particularly relates to a hysteresis and magnetostrictive property testing system and method under stress loading. The system is composed of a plate-shaped test piece, a stress loading module, a magnetic field loading module, a signal acquisition module and a computer. The stress loading module comprises a mounting plate, a T-shaped piece, a clamp, an L-shaped piece, a sliding module, a cushion block, a pressure sensor, an electric push rod and a driver; the magnetic field loading module comprises a U-shaped magnet yoke, a signal generator, a power amplifier, a sampling resistor and an exciting coil; the signal acquisition module comprises an induction loop, a strain gauge, a strain bridge box and a dynamic signal acquisition instrument; the method comprises the steps of test piece preparation, system assembly, parameter setting, stress loading and signal acquisition, magnetic field loading and signal acquisition, data processing and curve drawing. The test system and method can measure force-hysteresis and force-magnetostrictive properties, and have the characteristics of light weight, variable magnetic field direction and position and high test precision.

The invention discloses a composition for relieving stress and fear of pets and application of the composition, and belongs to the technical field of animal nutritional health-care products, the composition for relieving stress and fear of pets comprises the following raw materials in percentage by weight: 0.1-20% of a relieving component, 1-20% of amino acid, 0.1-10% of an antioxidant and 55-90% of a functionalizing agent, and the sum of the weight percentages of all the raw materials is 100%; the invention further discloses a specific composition and proportion of the relieving component, and the composition for relieving stress and fear of the pets can be used for daily health care to prevent stress of the pets and can also be used before possible stress, such as transportation or before seeing a doctor.

The invention discloses ultra-high molecular weight polyethylene pipe production equipment, and particularly relates to the technical field of polymer plastic processing, the ultra-high molecular weight polyethylene pipe production equipment comprises an equipment box, and an extrusion heating mechanism is arranged at the top of the equipment box; the extrusion heating mechanism comprises a driving device which is fixedly installed at the top of the equipment box, the output end of the driving device is fixedly connected with a transmission shaft, one end of the transmission shaft is fixedly provided with a gearbox, and one side of the gearbox is fixedly connected with a fixing pipe. The raw materials are efficiently pretreated, it is ensured that raw material particles are uniform and fully mixed, a good foundation is laid for the subsequent plasticizing and extruding process, the quality and performance stability of the pipe are improved, the temperature requirements of the ultra-high molecular weight polyethylene pipe in different production stages can be met, the molecular structure of the pipe is more regular, and the production efficiency is improved. Therefore, the strength, toughness and corrosion resistance of the pipe are enhanced, and reliable technical support is provided for large-scale production of the ultra-high molecular weight polyethylene pipe.

The invention provides a multi-process-mode intelligent switching method and system for vehicle-mounted sludge treatment, and the method comprises the steps: carrying out the time-space alignment and standardization of multi-dimensional sensing data such as sludge characteristics, environmental parameters and equipment states, carrying out the real-time reasoning of a process switching critical value through combining with a lightweight incremental regression model, generating a self-adaptive threshold value band with a confidence interval, and carrying out the real-time reasoning of the process switching critical value. Dynamic monitoring and mode switching pre-judgment of actual operation parameters are realized; in the switching process, a weighted fusion progressive transition control strategy is adopted, the transfer rate is adaptively adjusted according to real-time feedback, the operation stability is guaranteed, and the intelligence, reliability and switching smoothness of process switching of the vehicle-mounted sludge treatment system are remarkably improved.

The invention provides an automatic storage method and system for glass plate processing, and relates to the technical field of glass plate transfer, the method comprises the following steps: after detecting that a glass plate is in contact with a carrying frame, acquiring first pressure data detected by each supporting point in real time; if the first pressure data is smaller than or equal to the first pressure threshold value all the time, the pressure difference value between the different supporting points is calculated; after the two supporting points with the pressure difference values larger than a second pressure threshold value are determined, the glass plate is controlled to move in the direction where the supporting point with the small pressure value is located till the pressure difference values are both smaller than the second pressure threshold value; and after the carrying frame starts to move, if it is detected that the vibration amplitude is larger than a preset vibration threshold value or the second pressure data is larger than the first pressure threshold value, abrasion early warning is conducted. By implementing the method, stress concentration caused by non-uniform supporting can be reduced, so that the damage risk is reduced, and the stability and safety of the glass plate in the carrying process are effectively ensured.

The invention relates to a method for alternately jacking beams by using jacks and T-shaped pads, and belongs to the technical field of bridge construction.The method includes the steps that two steel pipe piles are installed on the two sides of a cross-channel steel box beam, a distribution beam is arranged on each steel pipe pile, a steel thick cushion block is arranged on each distribution beam, and then the jacks are arranged on the steel thick cushion blocks; the steel pipe pile, the distribution beam, the thick steel cushion block and the jack are integrated, a diaphragm plate is installed in the steel box girder, meanwhile, a cable-stayed buckling tower is anchored on the diaphragm plate of the steel box girder, a spherical steel support is installed at the bottom of the steel box girder, a T-shaped cushion block is arranged between the jack and the spherical steel support, and the integrally lifted steel box girder is reinforced. The jacks and the T-shaped cushion blocks are used for alternately jacking beams in the junction reinforcing area of the web plate and the diaphragm plate in the steel box beam, so that the steel box beam is prevented from being damaged due to overlarge local stress, and the problem that the steel box beam is possibly damaged due to overlarge local stress caused by alternate change of force in the beam body is solved.

The network cable extrusion molding device comprises an extrusion molding machine and a water tank used for cooling an extruded cable, a base used for supporting the cable is arranged between the extrusion molding machine and the water tank, the base is provided with a response structure used for calibrating a protective layer on the cable which is extruded and not cooled, and the response structure is arranged on the base. The response structure comprises a transverse extending plate fixedly connected to the base, a supporting guide roller used for supporting a cable is arranged on the transverse moving seat in a fixed-axis rotation mode, a transverse moving assembly for driving the transverse moving seat to reciprocate in the horizontal direction is arranged on the base, and a deviation rectifying assembly for reducing the core shift degree of the cable is arranged on the directional hollow shaft. According to the cable extrusion molding device, the extruded cable can be dynamically supported, the phenomenon that a sheath droops due to the gravity effect of the cable is avoided, meanwhile, the cable can be stably supported and corrected through the abutting cylinder, it is ensured that the cable is evenly supported in the sheath forming process, and therefore the core shift degree of the sheath is reduced.

The invention belongs to the field of cable production, and particularly provides cable production equipment which comprises an extruding machine, an extruding mold, a first cooling assembly and a second cooling assembly, the first cooling assembly comprises a shell, a semiconductor chilling plate and a cooling fin, the shell is provided with a cooling channel, the semiconductor chilling plate can refrigerate the shell, and when a core wire penetrates through the cooling channel, the cooling fin can cool the shell. The outer surface of the insulating layer is subjected to cold air emitted by the shell in the whole circumferential direction, the outer surface of the insulating layer generates contractive surface tension after being cooled, and the outer layer of the insulating layer can restrain the insulating material, still in a molten state, of the inner layer to gather towards the center of the core wire under the action of the surface tension, so that the insulating layer returns to a round state, and the service life of the core wire is prolonged. Therefore, the sagging phenomenon caused by gravity is eliminated, and the production roundness of the cable, especially a thick-wall cable, and the coaxiality of core wires are ensured. And then the core wire enters the second cooling assembly, and the second cooling assembly can perform multi-stage cooling on the insulating layer, so that stress is prevented from being generated in the insulating layer, and the product quality is ensured.

The invention relates to a GH5605 cobalt-based high-temperature alloy and a manufacturing method thereof, and belongs to the technical field of metal smelting. The GH5605 alloy comprises the following chemical components: 0.05%-0.15% of C, less than or equal to 1.0% of Si, 1.0%-2.0% of Mn, less than or equal to 0.03% of S, less than or equal to 0.03% of P, 19.0%-21.0% of Cr, 9.0%-11.0% of Ni, 14.0%-16.0% of W, less than or equal to 3.0% of Fe and the balance of Co and other inevitable impurities. According to the manufacturing method, the GH5605 electrode bar is smelted through a vacuum induction furnace, refining and argon protection processes are adopted, and it is ensured that the Mn element content of the electrode bar is qualified. And in the vacuum consumable remelting process, argon with the pressure of 2000-3000 Pa is filled, so that the vacuum degree is reduced, Mn element volatilization is effectively inhibited, and section component uniformity is achieved. Detection shows that the Mn content at the edge, the 1 / 2 radius and the central part of the steel ingot meets the technical standard. The process is simple and efficient, the quality of molten steel is not affected, the performance consistency and production stability of the GH5605 steel ingot are remarkably improved, and the process is suitable for the high-end application field.

The invention discloses an oil-filled sealed photoelectric connector for an underwater vertical dynamic cable system. The oil-filled sealed photoelectric connector comprises a bent plug assembly and a socket assembly, wherein the bent plug assembly comprises a bent plug connector connected with the dynamic cable; a photoelectric contact component I is arranged in the bent plug component; the socket assembly is fixed on the detection unit glass sphere, and a photoelectric contact assembly II connected with a detection element in the detection unit glass sphere is arranged in the socket assembly; wherein the photoelectric contact component I is adaptively connected with the photoelectric contact component II. According to the invention, through application of the oil filling pipe, special sealing design and innovation of key technical points such as the oil-filled sealing photoelectric connector integrating the battery core wire and the optical fiber core wire, the water pressure resistance reliability, the sealing performance and the signal transmission stability of the connector in a deep sea high-pressure environment are remarkably improved; the device provides support for long-term stable operation of a deep-sea micro telescope, can be expanded and applied in the future, and meets other long-term application requirements of deep sea.

The utility model provides an intra-articular fracture percutaneous elastic distraction reduction fixing device which is characterized by comprising a sleeve (1) with one end open and the other end sealed, a pressure piston (4) is arranged in the sleeve (1), and a power piston (5) and a power ball (6) which are correspondingly matched are arranged on one side of the pressure piston (4). A plugging device (7) correspondingly matched with the open end of the sleeve (1) is arranged on one side of the power ball (6), a second sleeve (4a) is arranged at the other end of the pressure piston (4), one end of the second sleeve (4a) extends out of the sleeve (1), and the second sleeve (4a) is connected with a first screw (8) correspondingly matched with the second sleeve (4a). The utility model has the advantages of simple structure, convenience in use and simplicity in operation, and can avoid complications such as ankylosis and the like while maintaining fracture reduction.

The invention discloses a strong acid and alkali resistant plastic material for fume hood surface decoration and a preparation method of the strong acid and alkali resistant plastic material, belongs to the technical field of plastic material processing, and aims at solving the technical problem that in the prior art, the acid and alkali resistance and the bending modulus of a plastic material for fume hood surface decoration need to be further improved. The preparation method specifically comprises the following steps: stirring amino-modified fluorosilicone resin, paraformaldehyde and 1, 4-dioxane in a reaction kettle, dropwise adding an anacardol solution, heating the reaction kettle to 85-95 DEG C, carrying out heat preservation reaction for 6-8 hours, and carrying out post-treatment to obtain the anacardol-based benzoxazine resin. Perfluoro-modified polysiloxane benzoxazine is prepared, naphthalene-containing epoxy resin and imidazole-modified silicon carbide microspheres are compounded, in-situ catalysis synergistic curing is carried out by using filler interface imidazole, a compact organic-inorganic hybrid interpenetrating network is constructed, and the strong acid and alkali corrosion resistance and bending modulus of the material are remarkably improved.

The invention discloses a display module and a display device.The display module is provided with a display area and a frame area which at least partially surrounds the display area, and the display module comprises a functional film layer which comprises a first film layer; the adhesive layer is at least partially arranged in the frame area and at least partially arranged on the side, in the thickness direction of the display module, of the first film layer, the first film layer comprises a first surface facing the adhesive layer in the thickness direction of the display module, and a buffer layer is arranged between the first surface and the adhesive layer; the elastic modulus of the material of the buffer layer is smaller than that of the material of the first film layer, and the elastic modulus of the material of the buffer layer is smaller than that of the material of the viscous layer. According to the display module, the deformation difference between the first film layer and the viscous layer is eliminated by arranging the buffer layer, generation of extra stress is avoided, stripping of the first film layer and the viscous layer or cracking of the viscous layer is avoided, and the use performance of the display module is improved.

The invention provides a clamping device for a thin-wall whole pipe fatigue test and a test method, and belongs to the technical field of clamping devices. The device comprises clamping cushion blocks which are fixedly connected to two ends of a thin-wall whole tube sample main body and are used for transmitting test force; the high polymer material film adhesive tape is wound on a transition area of the clamping cushion block and the thin-wall whole pipe sample main body; the chock plugs are used for being plugged into the two ends of the thin-wall whole-tube sample main body, and packing paper is installed between the chock plugs and the inner wall of the thin-wall whole-tube sample main body and used for supporting the inner wall of the sample and evenly transmitting test force. The clamping cushion blocks are fixedly connected to the two ends of the sample and matched with the high polymer material film adhesive tape to reduce friction, the chock plugs are wound around the packing paper to support the inner wall, a stable clamping structure is formed, and it is ensured that fatigue fracture occurs in the working section. The problems of clamping stress concentration and fracture of a non-working section can be effectively avoided, the accuracy of a fatigue life evaluation result of the whole thin-wall pipe is improved, and the method can be widely applied to high-cycle and low-cycle fatigue performance tests under different conditions.

The invention discloses a hot melting type pipeline welding machine which comprises a rack, a support, a cutting device and a welding device, a clamping device comprises a movable clamping seat and a fixed clamping seat, one end of the movable clamping seat is fixedly connected with a lug piece, and the lug piece is hinged to one end of the fixed clamping seat through a shaft pin; a lifting oil cylinder and a locking oil cylinder are symmetrically arranged at the two ends of the movable clamping base, a piston rod of the lifting oil cylinder is hinged to one end of the fixed clamping base through a shaft pin, a piston rod of the locking oil cylinder is connected with the other end of the fixed clamping base in a locking mode, and the splicing positions of the movable clamping base and the fixed clamping base are arranged at intervals. The movable clamping seat and the fixed clamping seat are pre-tightened and fixed through the locking oil cylinder and the lifting oil cylinder, the locking oil cylinder and the lifting oil cylinder are symmetrically arranged on the movable clamping seat, and pre-tightening force is controlled by the lifting oil cylinder and the locking oil cylinder and is distributed more uniformly, so that the situation that the movable clamping seat makes contact with the fixed clamping seat to generate stress and shorten the service life can be avoided; and the pipeline can be effectively clamped and fixed, and the pre-tightening force is larger.

The invention provides an intelligent health-care bra, which comprises: cups, each cup comprises a plurality of cup parts, each cup part is provided with an air bag, and the air bags are configured to be attached to the cup parts in a deformable manner to adjust the tension of the cups, so that the cup parts and / or the air bags conform to the breasts of a user; the heart-shaped part is connected to the bottom of the cup part so as to support the cups, the heart-shaped part extends to the two side edges of the cup part along the bottom edge of the cup part, and the heart-shaped part is configured to be attached to the trunk below the breasts of a user; the rear pulling piece part is connected with the heart-shaped part and / or the cups; the two ends of the shoulder strap part are respectively connected with the cups and the rear pulling piece part. According to the invention, the cups of the sports bra are redesigned, so that the tension of the sports bra is adjustable, and the breasts are protected by enhancing the dynamic supporting function on the breasts.

The invention discloses fine-grain molybdenum-lanthanum alloy molybdenum powder and a preparation method thereof.The preparation method specifically comprises the steps that rare earth lanthanum salt hydrate and deionized purified water are put into a stirring tank to be mixed and stirred, and a rare earth lanthanum salt solution is obtained; preparing doped molybdenum dioxide by using a rare earth lanthanum salt solution and MoO2; and the sample doped with molybdenum dioxide is put into a high-temperature reduction furnace, hydrogen is used for reduction, screening is conducted, and the molybdenum-lanthanum alloy molybdenum powder is obtained. According to the preparation method of the fine-grain molybdenum-lanthanum alloy molybdenum powder, molybdenum dioxide serves as a raw material, the molybdenum-lanthanum alloy molybdenum powder is prepared by adopting soluble rare earth lanthanum salt solution to atomize doped molybdenum dioxide and adopting hydrogen to reduce the doped molybdenum dioxide, La2O3 is dispersed and evenly distributed among fine-grain molybdenum-lanthanum alloy molybdenum powder grains, sintered molybdenum-lanthanum alloy is of a compact and even fine-grain structure, and therefore the fine-grain molybdenum-lanthanum alloy molybdenum powder is obtained. And the plastic-brittle transition temperature of the processed molybdenum metal is reduced, and the toughness and strength of the molybdenum-lanthanum alloy are improved.

The utility model relates to the technical field of batteries, and discloses a battery pack which comprises a box body and battery packs, the box body comprises a box body main body and a beam body extending along a first direction, a containing cavity is arranged in the box body main body, the beam body is arranged in the containing cavity, and the battery packs comprise a first battery pack and a second battery pack. The first battery pack and the second battery pack are arranged on the two sides of the beam body in the second direction respectively. The connecting piece is arranged in the containing cavity and spans the beam body, the connecting piece comprises a first piece body, a second piece body and a buffer piece body, the first battery pack is connected with the first piece body, the second battery pack is connected with the second piece body, the first piece body and the second piece body are arranged at the two ends of the buffer piece body in the second direction respectively, and a plurality of grooves are formed in the buffer piece body; the groove extends in the first direction, and the concave extending direction of the groove is parallel to the third direction. The battery pack disclosed by the utility model not only can overcome the vibration impact on the whole battery pack, but also can overcome the stress caused by expansion, and meets the performance requirements of the battery pack.

The invention belongs to the technical field of alloy spraying processes, and discloses a process for spraying a special wear-resistant alloy. S1, base material surface treatment; s2, a spraying process; s3, carrying out a heat treatment process; S4, carrying out later inspection and performance testing; the base material surface treatment comprises base material surface cleaning, sand blasting treatment and drying treatment, and the spraying process comprises spraying equipment preparation. By introducing the heat treatment process, metallurgical bonding between the coating and the base material is further enhanced, the compactness and wear resistance of the coating are improved, oxidation, melting and deformation of the coating at high temperature are effectively prevented through heating and heat preservation under inert gas protection and the natural cooling process, and the wear resistance of the coating is improved. Meanwhile, the problem that the internal stress of the coating is too large due to rapid cooling is avoided, under the combined action of a series of measures, the coating has excellent wear resistance, corrosion resistance and high-temperature stability, the service life of the coating is remarkably prolonged, and the overall performance of a product is improved.

The utility model provides a container self-adaptive loading robot, which comprises a movable vehicle body, an identification device arranged at the bottom of the vehicle body and a swing driving device arranged on the vehicle body; the door frame is arranged on the front side of the vehicle body and rotationally connected with the vehicle body, the door frame is driven by the swing driving device to swing front and back, and a lifting driving device is arranged on the front side of the door frame; the carrier is arranged on the front side of the portal and is driven by the lifting driving device to lift up and down, and a push plate which is driven by a telescopic driving device to move back and forth is arranged on the rear side of the top of the carrier; and the plurality of walking sensing devices are respectively arranged on the vehicle body and the carrier. Therefore, the whole process of carrying goods from the ground into the container can be independently completed by the self-adaptive carrying robot through navigation walking and climbing of the out-container recognition device and navigation walking of a plurality of walking sensing devices in the container without being matched with other mechanisms such as a conveying rail and a transverse moving conveying mechanism.

The invention discloses a high-pier bridge limiting system, a bridge with the high-pier bridge limiting system and a limiting regulation and control method. The high-pier bridge limiting system comprises a first mounting seat, a second mounting seat and a limiting device, wherein the first mounting seat is arranged on the side face of the top of a pier; the second mounting seat is arranged at the beam bottom of the end part of the cover beam; the temperature sensing pressure self-balancing mechanism is arranged between the first mounting seat and the second mounting seat, the temperature sensing pressure self-balancing mechanism is provided with a movable gap which can be adjusted in the longitudinal direction of the bridge, and the movable gap is used for limiting the displacement amplitude of the pier top of the bridge pier in the longitudinal direction of the bridge. The high-pier bridge limiting system has the beneficial effects that the high-pier bridge limiting system integrates adjustment, detection and early warning, limiting, monitoring, debugging and early warning can be carried out in a unified mode, one-by-one adjustment by installation constructors on site is not needed, the labor intensity is greatly reduced, the installation efficiency is improved, and in the daily maintenance process, the maintenance efficiency is greatly improved. And daily maintenance can be completed without checking the connecting parts of the bridge one by one, so that the maintenance difficulty is greatly reduced, and the automation degree is improved.

The invention provides a safe splicing and lifting method for an asymmetric large-span steel corridor, which belongs to the technical field of building construction and comprises the following steps: firstly, mounting a primary truss preassembled unit, hoisting and welding from two ends to the middle by using a crane in batches, and welding with a main body structure; the lifting platform is installed through a high-altitude bulk method and welded to the connecting rods and the main truss preassembling units, and a stable system is formed. And the position of a jig frame is determined on the ground of the installation position of the lifting units, and the lifting units of the corridor are installed above the jig frame step by step. After a lower lifting point lifting appliance, an upper lifting appliance and a steel strand are installed, a lifting and unloading strategy of lifting point oil pressure balance, structure posture adjustment, displacement synchronous control and sequential unloading in place is adopted, and a lifting unit and an after-loading unit are gradually lifted and installed in place. And finally, the hydraulic lifting system and related temporary measures are dismantled, and the installation work of the whole corridor is completed. The technical problem that it is difficult to ensure the installation precision under the safety condition in an existing method is solved.

The utility model discloses a portal crane variable-amplitude cradle maintenance fixing device, which belongs to the field of portal crane variable-amplitude cradle maintenance and comprises a supporting rod main body and a supporting base. The supporting rod body is connected with the supporting base through a pin shaft, and the supporting base comprises a main arm frame supporting base welded to a main arm frame and a variable amplitude platform supporting base welded to a variable amplitude platform. One end of the supporting rod main body is connected with the main arm frame supporting base, and the other side of the supporting rod main body is connected with the variable amplitude platform supporting base. The main arm frame connected with the main arm frame supporting base and the variable-amplitude platform connected with the variable-amplitude platform supporting base are in hard connection, so that the safe supporting effect is achieved, the device can be used repeatedly, gas cutting treatment does not need to be conducted on a welding part after maintenance is finished, and time and labor are saved. And meanwhile, the influence of repeated maintenance and repeated welding and stress on the steel structure is avoided.

The invention relates to the technical field of medical equipment, and particularly discloses a xerophthalmia treatment device and method.The xerophthalmia treatment device comprises a base, a liquid medicine box is arranged in the base, a control panel is arranged at the top of the base, a placement frame is fixedly connected to the side of the base, and a treatment instrument body is placed on the placement frame; the interior of the therapeutic apparatus body is divided into a first cavity and a second cavity through a partition plate, air holes are formed in the upper inner wall and the lower inner wall of the first cavity, two eye massagers are installed on the side, close to the first cavity, of the partition plate, and an atomization therapy mechanism, an air guide mechanism and a backflow mechanism are arranged on the therapeutic apparatus body. The atomization treatment mechanism is used for sucking liquid medicine and atomizing the liquid medicine to form small particles which enter the first cavity, and the air guide mechanism is used for evenly diffusing the small particles. Massage treatment and atomization treatment are combined and can complement each other to exert respective advantages, so that the treatment effect is enhanced.

The invention relates to the technical field of goose breeding and egg laying, and discloses a movable female goose egg laying box for a goose farm, the movable female goose egg laying box comprises a device platform, a side plate is fixedly connected to one side of the device platform, supporting legs are fixedly connected to four corners of the bottom of the device platform respectively, and moving wheels are fixedly mounted at the bottoms of the supporting legs; an egg laying box is fixedly installed in the middle of the top of the device platform, a high-position inlet is formed in the upper portion of one side of the egg laying box, a fixed ramp is fixedly installed on one side of the device platform, and a movable ramp is movably connected to one side of the top of the device platform. The high-position inlet and the low-position outlet are formed in the egg laying box at different heights, so that the situation that the female geese are not released in time, and consequently stress of the female geese is caused is avoided; by means of single-time pressing of the female geese on the pressing blocks when the female geese enter the egg laying box, position switching of the feeding conveying belt by the guide rods is achieved, so that the number of eggs laid by the female geese multiple times is conveniently distinguished, and strict recording of the individual egg laying amount of the female geese is achieved.

The invention discloses a plate processing technology, and aims to provide a plate arc-shaped surface processing method which is characterized by comprising the following steps: S1, plate pretreatment; s2, plate heating; s3, preparing a bending die; s4, the plates are placed and pressurized; s5, bending processing is carried out; s6, cooling treatment; s7, surface quality detection; s8, size detection; s9, post-processing the plate; and S10, final detection and packaging. Compared with the prior art, the plate arc-shaped surface machining method has the advantages that high-quality arc-shaped surface machining of the plate can be effectively realized; through a series of process steps of systematic pretreatment, heating, bending, cooling and the like on the plate, it is guaranteed that the plate does not deform or crack in the machining process, and the surface quality and the size precision of the bent plate can also be guaranteed; the invention is suitable for the technical field of plate processing.