40results about How to "Guaranteed support strength" patented technology

The application discloses a mold for manufacturing a shoulder joint spacer and a preparation method thereof, belongs to the technical field of shoulder joint spacer preparation, and solves the problems of uneven distribution of medicine application grooves and the inability to flexibly adjust the size, length and the like according to requirements, and comprises a lower mold box, an upper mold box, an intramedullary bone cement silica gel forming adjusting mold and a ball head forming adjusting mold which are sleeved in the lower mold box and the upper mold box, a pouring gate which is arranged on the lower mold box and the upper mold box, a plugging plug which is arranged in the pouring gate, a first positioning support column and a second positioning support column which are arranged in the lower mold box, a third positioning support column and a fourth positioning support column which are arranged in the upper mold box, and a metal support rod which is arranged on the axial center lines of the intramedullary bone cement silica gel forming adjusting mold and the ball head forming adjusting mold; and the intramedullary bone cement silica gel forming adjusting mold and the ball head forming adjusting mold are uniformly provided with protruding portions.

This invention relates to a method for controlling the surface accuracy of elliptical thin-walled compartments in additive manufacturing, belonging to the field of additive manufacturing technology. Addressing the challenges of surface control in additive manufacturing and post-processing of elliptical thin-walled compartments, this invention proposes a surface accuracy control method based on an internally supported dimensional structure. This method includes steps such as additive manufacturing model design of the elliptical compartment and its internally supported dimensional structure, integrated additive design, thermal processing, machining, and removal of the internally supported dimensional structure. The method applies the control of the internally supported dimensional structure extension used in additive manufacturing to the post-processing stage, achieving full-process surface control from additive manufacturing to post-processing, saving product manufacturing time and improving the overall efficiency of additive manufacturing.

The utility model relates to the technical field of photovoltaic assemblies, in particular to a roof photovoltaic support and a photovoltaic building with the same, and the roof photovoltaic support comprises a plurality of groups of supporting stand columns arranged at intervals; the supporting main beam is fixedly installed at the top of the supporting stand column, a photovoltaic module is suitable for being installed on the supporting main beam, and the end of the supporting main beam extends to one side of the supporting stand column to form an overhanging part; one end of the main beam inclined strut is fixedly installed on the supporting stand column, and the other end of the main beam inclined strut is installed on the overhanging part of the supporting main beam. The cantilever part of the main beam is supported through the main beam inclined strut, an additional reinforcing structure between the supporting stand column in the middle and the supporting main beam is omitted, and the situation that the mounting position of the photovoltaic module is limited by the additional reinforcing structure in the photovoltaic module mounting process can be avoided; the installation of the photovoltaic assembly on the top of the roof photovoltaic support can be effectively simplified.

The utility model relates to a kind of suspension bed frame and the suspension soft bed of application thereof, solve the problem that the supporting leg of bed frame or bed product is exposed and affects visual effect existing in prior art, the technical scheme used is: including bed board, the supporting leg of supporting bed board, and the bed backrest being set in the one end of the bed board, it is characterized in that the three edges of the bed board are provided with the bed frame enclosed by left side plate, right side plate and tail plate, the bed backrest closes the opening of the bed frame, the lower end of the bed frame is higher than the lower end of the supporting leg, and the bed frame hides the supporting leg.Its effect: by bed backrest and bed frame cooperation, so that bed frame or bed product is used, supporting leg is hidden in the interior of bed frame, not bare, form "suspension" effect, to improve the overall quality of bed frame, bed product and bed product use space.

The invention discloses an efficient soil sampling mechanism for mountain geological survey, which relates to the technical field of geological sampling and comprises a supporting assembly, a sampling assembly and a pressing assembly. The supporting assembly comprises a supporting table and a side supporting frame with an adjustable inclination angle, and the lower end of the side supporting frame is connected with a supporting seat with a groove through a rotatable connecting seat, so that stable supporting is achieved, and the supporting assembly is matched with the irregular earth surface; the sampling assembly is in threaded connection with the sampling tube and the extension rods through the top cover and is fixed through short bolts, so that the multiple extension rods can be spliced to adapt to deep sampling; the downward pressing assembly applies downward pressure through a U-shaped downward pressing plate and a pedal and is matched with a supporting rod protection part, a driving ring and a rotating disc to drive a sampling pipe to rotate and drill into a soil layer. The mechanism can avoid sampling deviation, improves supporting stability and operation labor-saving performance, is convenient for component maintenance, effectively solves the problems of low mountain soil sampling efficiency and poor stability, and is suitable for mountain geological survey scenes.

The utility model relates to the field of medicine packaging boxes, and discloses an anti-pressure medicine packaging box which comprises an outer shell, a folding part used for containing an ampere bottle is arranged in the outer shell, a drawing structure is arranged in the area, located on the innermost side of the outer shell, of the folding part, and the drawing end of the drawing structure extends to an opening of the outer shell. A continuous V-shaped structure is formed by folding parts in the packaging box and the connecting transverse plates through the inclined paperboards, and a triangular supporting system is formed by the adjacent inclined paperboards and the inner wall of the shell. According to the geometric structure, external extrusion force can be decomposed into component force in multiple directions, the stability principle of a triangle is utilized, the pressure is evenly dispersed to the whole packaging frame, and local stress of the ampere bottles is avoided. Tests show that compared with a traditional buffer cotton package, the anti-extrusion strength of the structure is improved by more than 60%, and the risk of bottle body breakage in the transportation process is effectively reduced.

The utility model relates to the technical field of frame support, concretely is the light weight anticollision support subassembly of frame assembly, including the support beam of installing in the side surface of longitudinal beam, and the both ends of longitudinal beam are connected with the crossbeam for fixing longitudinal beam, the outer surface of support beam is equipped with through -hole, the upper surface of support beam is equipped with guide slot, in the utility model, the plug -in column is inserted with the side surface of longitudinal beam, ensures that support beam can be connected to the longitudinal beam quickly and firmly, through this mode, the assembly personnel can complete the installation of support beam in short time, lay the foundation for the subsequent fastening work, the guide rod penetrates support beam, plays the guiding role in the installation process, ensures that support beam can move to the predetermined position, through the electric wrench screwing screw column, can adjust the interval between extruding seat and support beam, makes the angle between articulated rod and support beam reduce, namely can make the plug -in column of socket outward slide and complete, complete the quick -mounting of device.

This utility model relates to a power generation system based on the conversion of offshore wind energy into gas internal energy and buoyancy potential energy. Its features include: a surface platform, an exhaust module, a buoyancy circulation module, an inflation module, a wind-powered air supply module, and a generator; independent central inner and outer shaft structures are connected to the wind shield and blades respectively, and a wind-guiding wall is installed on the wind shield to improve wind energy utilization efficiency; the rotational kinetic energy of the wind-powered rotation module is used to achieve bidirectional booster pumping of gas into the storage tank through a crank-connecting rod structure formed by a drive gear, driven gear, and drive rod; the buoyancy of the cyclic inflation and deflation of the balloon drives the rotation of the circulation chain, which in turn drives the generator to generate electricity; wind power is used for gas compression and storage to provide a power source for the buoyancy circulation module; it can continuously convert wind energy into gas internal energy and buoyancy potential energy; achieving efficient wind energy power generation.

The utility model discloses a swivel chair foot connecting device, including center pole and the butt joint pole of center pole lower extreme fixed mounting, the outside of center pole and butt joint pole is equipped with conical bearing, and the outside of conical bearing and butt joint pole is equipped with the installation cone cover, and the lower extreme fixed mounting of installation cone cover has the mounting piece. This swivel chair foot connecting device, inside and outside simple structure can produce in batches, guarantee the stability of its support while guaranteeing the device aesthetic property, and the quick assembly of the device is convenient, effectively improved the convenience of the connecting device use, through the fixed screw arc limiting piece and is positioned, can make arc limiting piece and support leg fixed in the outside of installation cone cover, and utilize the lower end inclination of support leg setting, can guarantee the stability and aesthetic property of the connecting device support.

A kind of steel beam concrete beam combined frame beam structure, including concrete beam reinforcement system, embedded part and steel beam, embedded part includes inner plate body and outer plate body, fixedly connected with cross bracing between inner plate body and outer plate body, cross bracing is transversely through the longitudinal reinforcement of beam reinforcement system and is located between adjacent hoop reinforcement, outer plate body is supported on the outside of longitudinal reinforcement, inner plate body is supported on the inside of longitudinal reinforcement, the both ends of steel beam are connected with the inner plate body on the beam reinforcement system of two sides respectively;The edge of the both sides of inner plate body is equipped with side baffle, and side baffle forms chute structure on inner plate body, and limiting bottom plate is arranged at the lower end of both sides of baffle;The frame beam support structure of the combination of the concrete beam and steel beam, while ensuring the support strength of light roof, it is not necessary to pour concrete in large area again, it is beneficial to ensure construction progress, reduce construction cost.

This utility model discloses a modular flowerpot tray device, relating to the field of flowerpot trays, comprising a water collection box, a support frame, a protrusion, a water guide groove, a drain pipe, and a pipe groove; one or more support frames are provided at the upper opening of the water collection box; the support frame consists of a support plate, legs, and permeable holes; multiple legs are connected to the bottom edge of the support plate, and permeable holes are provided on the surface of the support plate; the support frame is placed directly inside the water collection box; a water guide groove is provided on the bottom inner wall of the water collection box, and two drain holes communicating with the water guide groove are provided on the side wall of the water collection box, one drain hole being connected to the drain pipe, and the other drain hole being connected to the pipe groove, the diameter of the drain pipe being adapted to the pipe groove; this modular flowerpot tray device integrates support, drainage, water collection, and flow guidance functions, with a reasonable structural design and strong practicality.

The utility model discloses an adjusting base for quickly adjusting the X, Y and Z positions of a heavy-weight transformer, which comprises a transformer (1) and a klystron (2) arranged on the transformer (1), a support bottom plate (3) is arranged at the bottom of the transformer (1), a universal ball (4) and a four-way adjusting device are arranged on the support bottom plate (3), and the universal ball (4) is connected with the four-way adjusting device. The four-direction adjusting device is divided into adjusting bolts (5) arranged on the supporting bottom plate (3), and the adjusting bolts (5) are distributed along the four side edges of the supporting bottom plate (3). The universal balls (4) are evenly distributed on the supporting bottom plate (3), the weight of the transformer (1) can be dispersed and supported, the universal balls (4) are small in deformation, sliding can be easily achieved, adjustment in the X direction, the Y direction and the Z direction can be easily achieved, the structure of the supporting bottom plate (3) is changed, the overall mass is reduced, meanwhile, the machining difficulty is reduced, and the original supporting strength can be kept.

The utility model is suitable for the field of agricultural planting, and provides a cotton and cumin interplanting directional pesticide spraying device which comprises a rack, a connecting base used for being connected with a traction machine is fixedly installed on the rack, stand columns are fixedly installed on the two sides of the rack, and movable wheels used for moving are movably installed on the stand columns; the plurality of medicine tanks are fixedly mounted on the rack and are used for storing liquid medicine to be sprayed; the pesticide spraying assembly comprises a plurality of movable rods; the distance between the partition plates is adjusted through the telescopic units; the adjusting unit is fixedly mounted on the movable rod and used for driving the telescopic unit to move; the pesticide spraying pump is fixedly installed on the telescopic unit and used for spraying pesticide. The telescopic unit is controlled by the adjusting unit to move to drive the partition plate to move, so that adjustment aiming at different intervals is achieved, directional pesticide spraying is achieved in cooperation with pesticide spraying of the pesticide spraying pump, the pesticide spraying range is more accurate, and pesticide waste and crop damage caused by the fact that the pesticide is sprayed to another kind of crops are avoided.

The utility model relates to exhaust treatment technical field especially, more related to a kind of exhaust catalytic combustion device convenient to gas fitting replacement, including combustion reaction bin, support track, auxiliary strut, connecting block and combustion mechanism, the support track fixedly arranged in the combustion reaction bin inside, the auxiliary strut is fixed with combustion reaction bin inside, the connecting block fixedly arranged in combustion reaction bin outside, the combustion mechanism is clamped and set in combustion reaction bin inside, this convenient to gas fitting replacement's exhaust catalytic combustion device in working condition, large-area surface burner work guarantee to carry out combustion reaction in the oil gas and harmful gas in tail gas, greatly reduce harmful gas content in tail gas, in maintenance process, guarantee the support strength of combustion reaction bin, and it is convenient to integral removal and replacement maintenance, when removal and maintenance, guarantee bottom support and limiting effect, avoid direct drop-off and cause end drop, to improve security.

The utility model provides a kind of fast support and canopy, canopy includes a canopy support unit and at least three leg support units;The canopy support unit includes first hinged seat and first support rod, two first support rods are hinged on first hinged seat corresponding each leg support unit, and the first included angle is formed between the two first support rods corresponding each leg support unit in unfolded state;The leg support unit includes second hinged seat and four second support rods hinged on second hinged seat, and four second support rods are X-shaped structure in unfolded state.The utility model has the advantages that: it can be very convenient to carry out quick folding or unfolding operation to canopy, and also can make overall structure more simple on the basis of guaranteeing support strength, so as to reduce production cost.

The utility model relates to mining technical field, and disclose a kind of mining support device, including left and right two groups of supporting leg, supporting leg includes the support rod of upper part and the hydraulic telescopic rod of lower part, and hydraulic telescopic rod is multistage telescopic, different mine height can be adapted, and hydraulic telescopic rod includes base, and the bottom of base is fixed with several groups of conical dowel, can make hydraulic telescopic rod firmly fixed on mine ground, and base is provided with the adjusting handle for controlling the lifting of hydraulic telescopic rod, the telescopic height of hydraulic telescopic rod is adjusted, the top of support rod is articulated support arm, and two groups of support arm cross sliding connection, and cross point sets fixed mechanism, to make two groups of support arm common support top mine, first support arm and second support arm are arc-shaped, to form appropriate support structure in mine top, after first support arm and second support arm cross adaptation, they are connected by fixed mechanism and fixed.

The utility model relates to water treatment equipment field, a horizontal ceramic flat plate membrane component, including support foot square tube and frame square tube, frame square tube forms the frame structure of rectangle, and four support foot square tubes are located at the corner of frame structure respectively, four support foot square tubes and the inside of frame square tube intercommunication, one of support foot square tube is as water production pipeline, another of support foot square tube is as aeration pipeline, and the rest two support foot square tubes are closed, install several aeration pipes in frame structure, and the inside of frame square tube is connected with the aeration pipe and the end, install the membrane group guard board of four periphery frames on frame structure top, install several ceramic membrane sheets in the inside vertical of membrane group guard board enclosure, and every ceramic membrane sheet all is provided with water collecting port, and the water collecting port is connected with water production pipeline through frame structure, the ceramic flat plate membrane component improves the pollution resistance, easy maintenance, structural stability, and high loading density.

This invention discloses an automated warehouse for storing warning signs of various shapes, relating to the field of automated warehouse technology. It includes a warehouse floor, a lifting device, and a racking assembly, both located on the warehouse floor. The lifting device includes a guide frame, on which a load-bearing rack that reciprocates along its height direction is slidably mounted. A fixed plate is installed at the bottom of the load-bearing rack, and a fixed shaft is fixed to the fixed plate. A rotating plate rotates on the fixed shaft, and a sliding channel is formed on the rotating plate. A U-shaped frame is slidably mounted inside the sliding channel. This automated warehouse, which facilitates the storage of warning signs of various shapes, achieves an emergency braking effect by incorporating the fixed plate, rotating plate, top rod, and U-shaped frame, protecting goods and preventing safety hazards without affecting the vertical movement of the load-bearing rack. Furthermore, the rotating plate and fixed plate can be connected as a whole, improving the utilization efficiency of the automated warehouse.

An integrated external counterpulsation mobile machine relates to the technical field of external counterpulsation devices and comprises a shell, a structural frame and a gas supply system, the structural frame and the gas supply system are arranged in the shell, the shell comprises a lower shell and an upper shell, the upper shell wraps the periphery of the structural frame, and the bottom of the structural frame is fixedly connected to the upper side of the lower shell; the structural frame comprises a plurality of vertical gas tanks and a plurality of transverse gas tanks, each transverse gas tank is arranged between every two adjacent vertical gas tanks, and the two ends of each transverse gas tank are communicated with the connected vertical gas tanks; the gas supply system comprises a compressor and a connecting gas circuit, the connecting gas circuit is used for connecting the compressor and the structural frame, and the compressor and the connecting gas circuit are both arranged on the inner side of the structural frame. According to the scheme, through the arrangement of the shell structure and the internal frame, enough installation space is reserved for internal components, the integration degree of the external counterpulsation mobile machine is greatly improved, and the occupied space of the external counterpulsation mobile machine is reduced.

The utility model discloses a building wall splicing positioning fixture, which relates to the technical field of building construction, and comprises an adjusting mechanism and an extrusion mechanism, the adjusting mechanism comprises a limiting side plate, the extrusion mechanism comprises a right-angle frame, one side of the right-angle frame is fixedly connected with a connecting seat, a threaded hole is arranged in the connecting seat, and the right-angle frame is fixedly connected with the limiting side plate. The middle of one side of the limiting side plate is fixedly connected with an extension threaded sleeve, the threaded hole is in threaded connection with the extension threaded sleeve, and one end of the threaded hole is fixedly connected with a limiting baffle. The wall body is clamped and positioned by arranging the extension threaded sleeve, the installation smoothness of the wall body is ensured, the mode is simple to use, the structure is simpler, the production cost is lower, the maintenance is more convenient, and the connection area of the extension threaded sleeve and the threaded hole is increased by arranging the extension threaded sleeve, so that the connection stability is improved.

The utility model discloses an integrated flexible heat insulation plate and heat preservation box, and the heat insulation plate is divided into a top cover and a box heat insulation plate, the box heat insulation plate contains a rectangular barrier film and a plurality of core body plates wrapped inside, and is assembled with the barrier film, the heat preservation box has a top cover assembly and a box assembly, the top cover bottom of the top cover assembly is fixed with the top cover heat insulation plate in the installation groove, and the slot is provided with a fixed plate, the inner box is arranged in the outer box of the box assembly, and the box heat insulation plate is arranged in the fixed groove between the two; the utility model is matched with the inner box opening through the installation groove, is butt jointed with the outer inner box limiting plate and the heat insulation plate vacuum structure, and breaks the heat exchange; the cross type distribution of the core body plate guarantees the support strength, forms the overall stress, the outer inner box constitutes the composite structure, and the impact resistance is enhanced; the modular design reduces the production assembly difficulty, the flexible material and the vacuum structure cost are lower, the reusability is strong, and the economy is high.

This invention discloses a down-the-hole hammer drill bit and its working method, which solves the problem of large inclination angle of the down-the-hole hammer drill bit in the prior art and has the beneficial effect of ensuring the verticality of the borehole during pressurized drilling. The specific solution is as follows: A down-the-hole hammer drill bit includes an outer sleeve, at least two support members are provided inside the outer sleeve, and the support members are spaced apart. The support members are provided with openings. The multiple support members support the down-the-hole hammer rod body and the inner sleeve connected to the down-the-hole hammer rod body through the openings. A connector is provided at the end of the inner sleeve away from the down-the-hole hammer rod body to connect with the drill rod. The down-the-hole hammer drill bit of the down-the-hole hammer rod body protrudes from one end of the outer sleeve. The other end of the outer sleeve is provided with a bevel to facilitate the removal of the stuck part in the borehole during the rotation of the outer sleeve. A reduced diameter section is provided at the end of the inner sleeve away from the down-the-hole hammer rod body. The reduced diameter section is connected to the connector. A flange is provided circumferentially on the reduced diameter section to connect with the same support member.

The utility model relates to a diversion structure passing through a newly-built revetment in a limited site, the limited site refers to that an existing building exists on at least one of the two banks of a river, the newly-built revetment is arranged on the two banks of a river channel, the diversion structure comprises a diversion pipe, an inner cofferdam and an outer cofferdam are arranged on the river channel, and the inner cofferdam and the outer cofferdam are arranged in the diversion pipe. A flow guide pipe for communicating the inside and the outside is arranged between the inner cofferdam and the outer cofferdam, the flow guide pipe is arranged in a double-line parallel mode, and a flow guide pipe body of the flow guide pipe penetrating through the newly-built revetment is located below the ground of a construction implementation area. A concrete plate and a cast-in-place pile are arranged at the joint of the flow guide pipes and the newly-built revetment, the cast-in-place pile is arranged at the bottom of the concrete plate, and the concrete plate supports the two flow guide pipes to penetrate through the newly-built revetment so that the inside and the outside of the flow guide pipes can be located on the same horizontal plane. The flow guide structure can be effectively arranged in a limited construction site without affecting the flow guide function and the construction requirement, and the whole body is kept horizontal without damaging a newly-built revetment.

The utility model discloses a quadruped robot wheel foot cover tire, which is in a circular ring shape and comprises a mounting area, a tire cover and a tire cover, and is characterized in that the mounting area is used for connecting a quadruped robot wheel hub; the buffer area is provided with a hollow part, and the hollow part extends inwards from the outer side face in the width direction of the outer tire; the action area can be in contact with the ground, and anti-skid ribs are formed in a circle in the circumferential direction; the mounting area, the buffer area and the action area are sequentially arranged outwards in the radial direction from the center of the outer tire and are concentric and coaxial. The utility model further discloses a quadruped robot wheel foot. Due to the arrangement of the hollow parts in the buffer area, the weight of the outer tire is reduced, vibration generated by the outer tire can be effectively absorbed, and the movement stability of the quadruped robot is high due to the overall structure; the mounting area, the buffering area and the acting area are sequentially and concentrically arranged from inside to outside, the stability of the hub in the circumferential direction in the movement process is guaranteed, and deviation and even slipping are avoided.

The utility model discloses a glass fiber reinforced plastic product polishing and positioning tool, which relates to the technical field of glass fiber reinforced plastic product polishing and comprises a positioning base, a side extension seat is fixedly connected to the outer surface of the positioning base, a hydraulic cylinder is arranged in the side extension seat, the output end of the hydraulic cylinder is fixedly connected with a limiting sliding seat, and an inner sliding cavity is formed in the positioning base. The distance between a glass fiber reinforced plastic product and the laser range finder is measured through the arrangement of the laser range finder, when the distance is within a rated range, positioning is completed, positioning is carried out in this way, using is convenient, meanwhile, abrasion of the rubber pad does not need to be considered excessively, the rubber pad can be replaced when the rubber pad is not abraded deeply, and cost is saved. Therefore, the replacement frequency is reduced, the use cost is reduced, the positions of the laser range finders can be adjusted through the arrangement of fastening bolts, so that it is guaranteed that the center positions of the laser range finders are equal to the center position of the positioning base, meanwhile, adjustment in follow-up use can be facilitated, and use is convenient.

This utility model discloses a portable geological prospecting auxiliary drawing stand, belonging to the technical field of geological exploration auxiliary equipment. This portable geological prospecting auxiliary drawing stand includes a folding tripod, with a column mounted at the top of the tripod, and a fixed base mounted at the top of the column. A rotating shaft is rotatably connected to the inner side of the fixed base, and movable frames are mounted at both ends of the rotating shaft. An adjustment mechanism for rotating the rotating shaft is provided inside the fixed base. A vertical plate is mounted at one end of the movable frame, and a slide rail is mounted on one side of the vertical plate. A first slider is slidably connected to the bottom outer end of the slide rail. A first drawing board clamp is mounted at the top one side of the first slider, and a threaded hole is opened at the bottom one side of the first slider. A locking knob is installed inside the threaded hole. A second slider is slidably connected to the top outer end of the slide rail. This utility model can effectively achieve rapid and stable adjustment of the drawing angle, adapting to different drawing needs and possessing high practical value.

The invention discloses a mixed structure storage tank and a manufacturing method thereof, and relates to the technical field of storage tanks, the mixed structure storage tank comprises a tank body and a base, the tank body comprises a barrel section and end sockets fixedly connected to the two ends of the barrel section, the barrel section comprises a skin made of a composite material and a latticed metal framework, and the metal framework comprises a plurality of annular reinforcing frames and a plurality of longitudinal main beams; each annular reinforcing frame is fixedly connected with a plurality of longitudinal main beams; a skin is fixedly connected in each grid of the metal framework; the base is used for making contact with the longitudinal main beams and the annular reinforcing frames and supporting the tank body. The overall supporting strength can be guaranteed, a complex welding process is not needed, welding residual stress can be reduced, and the preparation period is shortened.

The utility model relates to the technical field of food packaging equipment, and discloses a food packaging box with a corner protection structure, which comprises a packaging box body, the packaging box body is of a five-face edge frame structure with an open top, and the top of the outer side corner edge of the packaging box body is fixedly connected with a longitudinal support sheet and a magnetic support disc. The corner protection frame is movably arranged outside the packaging box body of the open food packaging box in a sleeving mode to provide support for the overall corners and the edges, so that the edges and the corners of the whole food packaging box are protected, the supporting strength of the packaging box is guaranteed, the situation that the packaging box becomes soft due to heating and oil and water is avoided, and the service life of the packaging box is prolonged. Meanwhile, the corner protection frames with certain rigidity and strength also guarantee the convenience of holding and avoid non-uniform touch force of holding, so that the containing of instant food for eating is greatly facilitated, better practicability is achieved, and the corner protection frames are made of plastics, so that the cost is lower, the economical efficiency is good, and wide application is facilitated.

This invention relates to a support structure for additive manufacturing of elliptical thin-walled compartment sections, belonging to the field of additive manufacturing technology for thin-walled compartment sections. Addressing the challenges of shape control in additive manufacturing and post-processing of elliptical thin-walled compartment sections, this invention proposes a multi-layered support structure design. This support structure employs a combination of a cylindrical internal support structure, ribs, and thin-plate supports, providing layered internal support and shaping for the elliptical thin-walled compartment section. This transforms the unstable elliptical cross-sectional structure into a stable approximately circular, triangular, or rhomboid cross-sectional structure, ensuring the support structure's stability and enabling effective control of deformation during additive manufacturing and post-processing of the elliptical thin-walled compartment, thereby improving the overall efficiency of additive manufacturing.