41 results about "Protective capacity" patented technology

The invention discloses a sealing protection device for an intermediate joint of a cable for power transmission, relates to the technical field of sealing protection devices, solves the technical problem of sealing, and comprises a first protection cylinder and a second protection cylinder which are both internally provided with grooves. A fixing plate is fixedly installed at the corresponding ends of the first protection cylinder and the second protection cylinder, the fixing plate is fixedly installed in the groove, and sealing assemblies are arranged in the first protection cylinder and the second protection cylinder; the sealing assembly comprises a moving ring slidably mounted in the groove, an air bag is fixedly mounted on the side, away from the fixing plate, of the moving ring, an extrusion ring is fixedly mounted on the side, away from the air bag, of the moving ring, a sealing gasket is rotatably mounted at the end, away from the moving ring, of the extrusion ring, and a guide rod is slidably mounted on the moving ring in a penetrating mode. Sealing operation is facilitated, the sealing capacity of the device can be improved, and the safety protection capacity of the device can be improved.

The utility model discloses a simple foundation pit supporting system, and relates to the technical field of foundation pit supporting, and the simple foundation pit supporting system comprises four vertical rods, a supporting plate is arranged at the upper ends of the two vertical rods with the same height, mounting rings are arranged on the two sides of the upper end of the supporting plate and the lower ends of the two vertical rods close to the lower side, and a contact plate is fixedly arranged at one end of the supporting plate; mounting plates are arranged on the two sides of the inner end of the contact plate, and a plurality of reinforcing columns are fixedly arranged at the upper end of the mounting plate located on the upper side of one end of the contact plate. According to the simple foundation pit supporting system, through the contact plate and the reinforcing columns, the supporting effect on the inner wall of a foundation pit is enhanced, the protection capacity is enhanced, and according to the size of the foundation pit, the supporting effect on the inner wall of the foundation pit is improved; the structure of the vertical rods and the supporting plates with the required number is installed, use is convenient and fast, the vertical rods and the supporting plates are easy and convenient to install and convenient to assemble, firmness is high after installation, rapid installation can be achieved, the inner wall of the foundation pit is protected, and use convenience is further improved.

The utility model discloses a calibration test fixing device for an atmosphere data computer, which is characterized in that two sides of an upper cover plate and a lower cover plate are respectively supported by a right side plate and a left side plate to form a frame structure, at least three groups of slots are symmetrically arranged on opposite surfaces of the right side plate and the left side plate, the slots are horizontally arranged, and one end of each slot is provided with an opening for inserting a support plate; one end of each slot is open, the other end of each slot is sealed, a supporting plate is selectively inserted into each pair of slots, the supporting plates are used for placing an atmosphere data computer, and the atmosphere data computer is connected with external equipment through a test cable. The device can effectively and absolutely safely lock equipment, has enough bearing and protecting capabilities, is matched with a guide rail structure, locks a hardware plate, stably locks the equipment in a test fixing device, supports multi-equipment access test calibration, greatly saves equipment calibration test cost, reduces calibration time, and improves test efficiency. And the space utilization in the testing process can be increased.

The utility model discloses a welded pipe with detachable closed round covers at two ends, the two ends of a welded pipe body are opened and internally communicated, a plurality of fixing pieces are fixedly mounted on the inner walls of the two ends of the welded pipe body, the fixing pieces are combined into a surrounding ring shape and fixed on the inner wall of the welded pipe body, and mounting holes are formed in the centers of the fixing pieces. A sealing round cover is connected and installed on the fixing piece, and the two sides of the welded pipe body are sealed after the sealing round cover is installed. By means of the mode, the sealing round covers are installed on the inner sides of the two ends of the steel pipe body to improve the pressure resistance and the protection capacity of the steel pipe, flexible channel opening and closing selection can be provided, pressure-resistant protection is formed on the two ends of the steel pipe body after the sealing round covers are installed, and the two ends of the steel pipe body are not prone to flattening deformation. After the sealing round cover is installed, the connection between the two ends of the welded pipe body can be opened or closed through the rotary cover, the rotary cover can be opened for threading and leading wires in the welded pipe body and guiding internal parts, and the sealing operation of the welded pipe body can be achieved by closing the rotary cover.

The utility model discloses a protective support and public building construction device, including the support assembly, the support assembly includes shell, one side outer wall of shell is welded with the support plate, and both sides outer wall of the support plate is welded with a plurality of spacer pins, the support assembly is internally provided with the partition assembly, the partition assembly includes rolling shaft tube, support frame, rolling shaft tube, the support frame, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube, rolling shaft tube and rolling shaft tube. The supporting frame is installed in the center of the top end of the shell through a bolt. The top end of the winding shaft pipe is installed on the supporting frame through a bearing. When a construction site is protected and isolated, the nylon net can be fixed to the other support assembly through matching of the rubber blocks and the limiting pins, the nylon net unfolded in the process has the large length, the purpose of protecting and isolating the large-area public building construction site can be achieved, meanwhile, the mesh diameter of the nylon net is small, and the service life of the nylon net is prolonged. Short people such as children can be prevented from penetrating through the protective support, broken stones and the like generated during construction are prevented from splashing out of a construction site, and the protective capacity for the construction site is greatly improved.

The electric connector comprises a connector body, a butt joint is arranged at the upper end of the connector body, a connecting wire head is arranged at the bottom end of the connector body, a wire body is arranged at the bottom end of the connecting wire head, and a fixing ring frame head is arranged at the position, located on the periphery of the upper end of the connecting wire head, of the bottom end of the connector body. Detection air bags are arranged around the upper end of the fixing ring frame head, and a mounting notch is formed in the middle of the left side outside the fixing ring frame head. In the using process of the connector body, if the connector body is accidentally impacted by the outside, the outside of the connector body is deformed, the deformed part cannot make contact with and extrude the outside of the working device body, the protection capacity of the working device body is improved through the buffering and isolating protection performance achieved by the buffering and isolating block, and the service life of the working device body is prolonged. And the situation that the working device body is extruded and damaged due to collision in the using process is prevented.

The utility model relates to the field of new energy charging pile water pumps, in particular to a pump head structure of a new energy charging system, which comprises a pump head, a pump shell main body is arranged on one side of the pump head, a detachable protective shell is arranged on the other side, far away from the pump shell main body, of the pump head, and a first output port is arranged in the middle of a pump head shell. A plurality of first installation heads are evenly arranged on the surface of the side wall of the pump head shell, through holes are formed in the first installation heads, a first output port is formed in the middle of the pump head shell, and a second output port is connected to one side of the pump head shell. The pump head used for the new energy charging system can be connected with more assemblies, the detachable protective shell is arranged, clamping can be conducted according to using requirements, the pump head can be effectively protected through the main shell and the side protective shell, the pump head is prevented from being damaged by external impact force, and therefore the protective capacity of the pump head can be effectively improved.

The utility model discloses a joint protection windproof garment which comprises a windproof garment body, and sleeves which are symmetrically distributed are arranged on the two sides of the windproof garment body. Joint protection joints are arranged at joints of the sleeves; two symmetrically-distributed through holes are formed in the sides, close to the windproof clothes body, of the joint protection joints, and binding ropes are inserted into the through holes in a penetrating mode and at least used for binding the joint protection joints at the sleeves. The joint protection joint is composed of an outer layer, a protection pad and a lining. The protective joints are located at the corresponding joints of the sleeves, when the windproof clothes are worn, the joints of a wearer can be specially protected, the joints of the wearer are prevented from being invaded by cold wind, and the protective capacity of the windproof clothes is greatly improved.

The application discloses an assembled earthen brick wall structure and a construction method thereof. The wall structure comprises a main frame, a wall body foundation, a wall body and a coping. The wall body comprises a main wall body and a buffer support layer. The main frame comprises vertical beams arranged in a vertical direction and ring beams arranged in a horizontal direction. The vertical beams and the ring beams are uniformly arranged on the inner and outer sides of the main wall body and gradually increase in thickness from top to bottom in the vertical direction. The structure is largely made of prefabricated parts and is constructed by using an assembled construction method. Compared with the existing structure and construction method of a tank chamber wall or a tank chamber protective wall, the bearing capacity of the assembled earthen brick wall structure can better adapt to the changes of the internal earthen tank pressure and the external earthen layer pressure, the bearing capacity and the protection capacity are improved, the construction efficiency is greatly improved, the construction period is shortened, the construction quality is ensured, and in addition, the construction by using the prefabricated parts reduces the emission of pollutants in the process of on-site treatment and construction of raw materials, and the environmental protection of the whole construction process is improved.

The utility model discloses a novel concrete guardrail upper and lower portal frame protective guardrail, and belongs to the field of protective guardrails, the novel concrete guardrail upper and lower portal frame protective guardrail comprises a connecting bottom plate and a concrete guardrail, the top of the connecting bottom plate is fixedly provided with a stand column, the outer side of the stand column is provided with a cross rod through bolts, and the outer side of the stand column is fixedly provided with a reinforcing rod; rotating grooves are formed in the two sides of the reinforcing rod, rotating plates are rotationally connected to the inner walls of the rotating grooves through rotating shafts, four beam columns are evenly distributed on the outer side of the cross rod and the outer side of the reinforcing rod, and a flange plate is installed on the outer side of the connecting bottom plate through bolts. The middle parts of the cross rods and the reinforcing rods do not fall, so that interference with a connecting bottom plate at the bottom of the middle stand column can be avoided, the protection capacity of the front side is enhanced by adopting a beam column encryption method, and the protection capacity of the protective guardrail is improved by adding the cross beam in the middle part and obliquely connecting the cross beam with the side stand column through the flange plate. The connecting bottom plate is adopted at the root of the stand column to ensure the deformation resistance during collision.

The utility model provides an anti-puncture safety shoe, and belongs to the technical field of machining. The anti-puncture safety shoe comprises a sole structure and a vamp structure. The shoe sole structure comprises a shoe sole, a supporting frame and an anti-puncture steel plate, the supporting frame and the anti-puncture steel plate are both fixed in the shoe sole, the supporting frame is fixed to the anti-puncture steel plate, and an anti-puncture buffering part is installed in the supporting frame; the vamp structure comprises a vamp and a steel toe cap, the steel toe cap is fixed inside a toe cap of the vamp, and the vamp is fixed with the sole. When the safety shoe is worn, the wrapping performance and the anti-puncture effect of the whole safety shoe can be improved, the protection capacity to the foot sole is improved, and the use safety is improved.

The utility model relates to the technical field of drag chains, in particular to a sealing drag chain which comprises a first enclosing piece and a second enclosing piece which form a protection space in an enclosing mode. The first locking assembly part and the second locking assembly part are correspondingly locked and assembled and are arranged on the first enclosure part and the second enclosure part in a one-to-one correspondence manner; the first sealing assembly part and the second sealing assembly part are correspondingly assembled in a sealing mode and are arranged on the first enclosing part and the second enclosing part in a one-to-one correspondence mode. And the first locking assembly part and the second locking assembly part are correspondingly locked and assembled, so that stable fitting assembly of the first enclosure part and the second enclosure part is realized. By means of cooperation of the first sealing assembly part and the second sealing assembly part, sundries are further prevented from entering the protection space through a gap between the first enclosure part and the second enclosure part, the sealing performance of the protection space is improved, and the drag chain is particularly suitable for scenes with high requirements for the sealing performance and the protection capacity; the application range of the drag chain is expanded.

The utility model relates to the field of packaging boxes, and discloses a packaging box with a gravity sensing function, which comprises an outer box, a first rotating ring, a second rotating ring, an inner box, a first limiting assembly and a second limiting assembly, floating connection between the inner box and the outer box is achieved through vertical arrangement of the first rotating ring and the second rotating ring and relative rotation among the outer box, the first rotating ring and the second rotating ring, when the outer box inclines, the inner box is automatically leveled under the action of gravity, so that objects in the inner box are prevented from inclining, and the service life of the inner box is prolonged. And the article protection capability of the equipment is improved, and the practicability of the equipment is improved.

The invention relates to the technical field of pipeline pressure detection based on GIS positioning, in particular to a pipeline pressure detection device based on GIS positioning, which comprises a display part for displaying pressure data, an assembly pipe is mounted at the bottom of the display part, and a protective cover is arranged at the top of the display part and the top of the assembly pipe. Wherein the position, located at the top of the display part, of the protective cover is in a semi-spherical shape, the positions, located at the two ends of the assembly pipe, of the protective cover are in a semi-circular pipe shape, the protective cover covers the tops of the display part and the assembly pipe, the top of the display part is provided with a pressure-resistant part connected with the middle position of the bottom of the protective cover, and the pressure-resistant part comprises a retention pipe fixed to the top of the display part; the GIS positioning pipeline pressure detection device has the function of effectively protecting the GIS positioning pipeline pressure detection device through the protection cover, the protection capacity of the protection cover on the GIS positioning pipeline pressure detection device is further improved through the arrangement of the pressure resisting part, self-cleaning can be achieved, and external pressure can be reduced.

The invention relates to the technical field of roadway supporting, and discloses a high-gas roadway supporting device which comprises a support and further comprises a supporting assembly, the supporting assembly comprises a lantern ring, the lantern ring is installed on a limiting rod in a sliding mode, an installation rod is fixedly installed on the lantern ring, a fixing disc is fixedly installed on the installation rod, and the fixing disc is fixedly installed on the support. A connecting block is fixedly mounted on the fixed disc, a connecting seat is arranged on the connecting block, a connecting sleeve is arranged on the connecting seat, a mounting plate is fixedly mounted on the connecting sleeve, and a supporting block is fixedly mounted on the mounting plate. When a special-shaped protrusion appears on the top of a roadway, a supporting block on the supporting assembly can be extruded, a spherical connecting base can deflect when extruded by external force, then the special-shaped protrusion can be adaptively supported, the problem that the special-shaped protrusion is difficult to solve through a conventional support is solved to a certain degree, large-area transformation is not conducted on the common support, and the supporting efficiency is greatly improved. And practicability and economic benefits are considered, and the protection capability is improved.

The utility model discloses an anti-impact chip mounter suction nozzle structure, which particularly relates to the field of chip mounters and comprises a fixed support, and a suction head connected with a chip mounter body is arranged at the bottom of the fixed support. The buffering assembly comprises multiple sets of buffering rods and a buffering support, the multiple sets of buffering rods are arranged at the bottom of the fixing support, and the buffering support is arranged between the material suction head and the fixing support; and the protection structure is arranged on the buffering support and comprises a rubber pad and a clamping structure, the clamping structure can clamp the material suction head, and the rubber pad is arranged between the clamping structure and the buffering support. According to the utility model, on one hand, the buffer rods play a role in supporting and on the other hand, the three groups of annular structures can buffer external force in a sliding manner when the three groups of annular structures are subjected to external force, and the buffer springs arranged among the three groups of annular structures improve the protection effect on the patch; the protection structure further improves the protection capability of the patch, and the adaptability of the two groups of adjustable arc-shaped clamping pieces is good.

This invention provides a bookbinding and packaging equipment and method, including a first conveyor frame and a second conveyor frame. Two first transmission rollers are rotatably connected to the inner wall of the first conveyor frame, and the outer walls of the two first transmission rollers are fitted with the same first conveyor belt. A guide plate is fixedly connected inside the first conveyor frame, and two fixing plates are fixedly connected to the bottom of the second conveyor frame. This invention utilizes unwinding rollers, guide rods, heat-shrink film, an equipment box, a servo motor, gears, a vertical shaft, and electrically heated rollers. The electrically heated rollers heat and press both sides of the heat-shrink film to form a sealing edge, thus placing the book inside the heat-shrink film. When the book and heat-shrink film move into the heat-sealing machine, a rotating rod rotates the honeycomb plate, causing the book to flip, facilitating hot air to blow onto the heat-shrink film on the book, ensuring uniform heat shrinkage and adhesion to the book, preventing wrinkles and improving the book's protective capabilities.

The utility model discloses a PCB (printed circuit board) processing clamping jig in the technical field of circuit board processing, which comprises a first fixed base, first connecting blocks are arranged at two ends, close to each other, of the middle of the top of the first fixed base, and a plurality of connecting bottom plates are uniformly and fixedly connected to the middle of the bottom of the first fixed base. The ends, close to each other, of the multiple first connecting blocks are provided with first switching blocks. The PCB machining clamping jig has the remarkable advantages of being good in protection performance, high in protection capacity, high in fixity, optimized in switching structure and the like.

The utility model relates to the technical field of driving motors, in particular to a driving motor, which comprises a driving motor main body, two eccentric magnetic shoes are mounted in the driving motor main body, four cross-shaped positioning plates are clamped on the rear side of the driving motor main body, and mounting plates are fixedly mounted on the inner side surfaces of the four cross-shaped positioning plates. The mounting plate can be clamped and fixed through the cross-shaped positioning plate and the telescopic convex rod, so that the shell of the driving motor can be conveniently assembled and disassembled in a clamping mode, the driving motor can be quickly maintained, the working efficiency during assembly and disassembly of the driving motor is improved, meanwhile, the two eccentric magnetic shoes are symmetrically designed and installed, and the working efficiency is improved. Vibration and noise generated by the driving motor are greatly improved, the quality of the driving motor is improved, the two protective cover plates are fixed to the outer side of the driving motor, then the protective capacity of the driving motor can be improved through cooperation with the reinforcing strips on the protective cover plates, and the whole driving motor can be used more safely and reliably.

The utility model relates to the technical field of transfer cabins for marine rescue transfer devices, and provides a transfer cabin for a marine rescue transfer device, which comprises a gripper guardrail frame, a bottom plate, a slide rail assembly, a slide block, a movable frame, an integrated medical equipment assembly, a protective cover body and an efficient air supply filter device, the protective cover body is fixedly installed on the bottom plate, the two sliding rail assemblies are fixedly installed on the two sides of the bottom plate, the two sliding blocks are slidably connected with the two sliding rail assemblies correspondingly, the two sides of the movable frame are fixedly connected with the two sliding blocks correspondingly, and the integrated medical equipment assembly is arranged on the movable frame. The efficient air supply filtering device is arranged at one end of the protective cover body, the structure is reasonable, use is convenient, a safe and reliable transfer environment with high protective capacity can be provided, and meanwhile emergency treatment and life support on the way can be achieved.

The invention relates to means for protecting an automobile from exposure to precipitation and other environmental factors. The technical result, which consists in providing greater protective capacity when using a cover, is achieved in that the claimed protective cover for the body of an automobile comprises sections configured in the form of a multi-layered structure, a lower layer and an upper layer of said sections are made of a flexible material, and the sections as a whole are designed to be capable of covering the part of a vehicle that requires protection, wherein each section is designed to be positionable lengthwise along a vehicle, the sections are connected to one another by their long sides, and between the upper and lower layers of a section there is a concertina-type resilient frame made of a polymeric material.

The utility model belongs to the technical field of hollow glass, and particularly relates to a hollow glass protection structure which comprises a protection box. Buffer springs are fixedly installed on the two sides of an inner cavity of the protection box, a panel is fixedly installed on the tops of the buffer springs, a rubber roller is movably installed on the inner side of the panel, and a connecting rod is fixedly installed on the portion, located on the back face of the panel, of the inner sides of the buffer springs. Through the arrangement of the protection box, a placing site is conveniently provided for the hollow glass, the rubber rollers are installed on the inner side of the protection box, in a normal state, the rubber rollers on the two sides are pressed by the elastic force of the buffer springs and located in the middle of the box body, and when the hollow glass needs to be placed, a user vertically places the hollow glass from the upper portion of the protection box; the two faces of the glass right face the rubber roller, the rubber roller is soft in material, can freely rotate and is soft when making contact with the hollow glass face, scratches and compression cracks cannot occur on the hollow glass face, and the protection capacity for the hollow glass is greatly improved.

The utility model discloses a self-shaping double-layer inflatable packaging bag which comprises a bag body and a containing cavity, the bag body comprises a pocket portion with an air bag structure and a bag sealing portion, a double-layer air ring is arranged at the opening of the pocket portion in a bag opening shape, and the bag sealing portion is matched with the double-layer air ring to be used for sealing the bag opening to form the containing cavity. The self-shaping double-layer inflatable packaging bag comprises a bag portion and a bag sealing portion, the bag portion and the bag sealing portion are respectively provided with an air port used for inflating and deflating the bag portion and the bag sealing portion, a plurality of air columns are arranged on the bag portion, connecting films are arranged among the air columns, and communicating air channels are further arranged among the air columns for ventilation. According to the packaging bag, multi-angle packaging and clamping are conducted on packaging materials in the using process, the protection capacity is improved, the packaging bag can adapt to more packaging materials through inward and outward overturning, the packaging bag can be repeatedly inflated and deflated on the premise that sealing of the expansion bag is not damaged due to the arrangement of the air opening, and a user can conveniently use the packaging bag and repeatedly use the packaging bag.

The invention provides a convenient-to-assemble protective shell for a communication mainboard, and relates to the technical field of mainboard protective shells, the convenient-to-assemble protective shell comprises a protective main shell, sliding rods are mounted above the protective main shell, side clamping plates are mounted on the inner walls of the left side and the right side of the protective main shell, and a sliding rod is rotatably mounted on the back surface of each side clamping plate; each sliding rod penetrates out of the side wall of the corresponding protection main shell, at least two transverse connecting rods are arranged in each sliding rod, a threaded rod is rotationally installed at the top of each transverse connecting rod, and a user inserts two front inserting rods at the end of the second protection main shell into two rear grooves in the tail of the first protection main shell, so that the two front inserting rods are inserted into the two rear grooves in the tail of the first protection main shell. At the moment, the two protection main shells are installed, then the partition plate frame at the connecting position of the two protection main shells is pulled out, the interiors of the two protection main shells communicate with each other, a user can place a long communication mainboard or a plurality of communication mainboards, the two protection main shells are easy and rapid to assemble, and the protection capacity of the communication mainboards can be improved.

The present disclosure belongs to the technical field of shoes, and in particular to a heel counter structure with a rebound function and a shoe. The heel counter structure with a rebound function includes a heel counter body, where the heel counter body is provided with a guide portion and a movable portion connected to the guide portion; the guide portion is provided with a guide surface; the movable portion is provided with protrusion structures; and the protrusion structures are connected to the guide surface, and are able to perform a compression contraction movement and a rebound recovery movement. The present disclosure improves protective capability of the heel counter body, improves use stability and wearing smoothness, and substantially eliminates the need for manual pulling of the heel counter body by the user during wearing.

A safety seat includes a sitting part, an anchoring device, two movable side protective blocks, a side protective block driving module, an anchoring device sensor and a control module. The anchoring device sensor is arranged adjacent to the anchoring device. The side protective block driving module is connected with the side protective blocks to drive the side protective blocks to be folded or unfolded. The control module is electrically connected with the anchoring device sensor and the side protective block driving module, and senses whether the sitting part is occupied. The control module controls the side protective block driving module to control at least one of the side protective blocks to be unfolded when the control module senses that the anchoring device is in a locking state through the anchoring device sensor and the sitting part is occupied, improving capability of the side impact protection of the safety seat.

The utility model relates to the technical field of physical training, in particular to a lifting adjustable football gate convenient for physical training, which comprises a bottom plate, mounting components are symmetrically arranged on two sides of the bottom plate, a top plate is arranged above the bottom plate, and supporting components are arranged on the rear sides of the bottom plate and the bottom plate. Supporting bottom columns are symmetrically and fixedly connected to the two ends of the top of the bottom plate, supporting top columns corresponding to the supporting bottom columns in position are symmetrically and fixedly connected to the two ends of the bottom of the top plate, and a lifting assembly is arranged between the supporting bottom columns and the supporting top columns. Therefore, when players have training requirements of different heights, adaptive adjustment can be carried out, the training effect of the players is prevented from being affected, in addition, the protective capacity is good, the bottom plate and the top plate are not prone to abrasion caused by football impact or other factors after long-time use, and the service life of the football is prolonged. Therefore, the service lives of the bottom plate and the top plate can be ensured.

A ballistic desk device is provided. The device is comprised of a ballistic desk device configured as a dual-purpose structure that functions both as a traditional desk and a deployable ballistic shield suitable for educational, governmental, or institutional settings requiring operational utility and protective capability. The device comprises a tabletop with foldable or telescopic legs with height adjustment and leveling mechanisms for stability on uneven surfaces. A ballistic shield is integrated into the underside of the tabletop and is preferably constructed from aramid or UHMWPE fabrics arranged in layered, crosshatch patterns for energy dispersion and protection aligned with NIJ Level II-A through Level IV standards. In one embodiment, the shield is removable from the tabletop to provide both stationary and mobile defense functionality during emergencies.

The utility model belongs to the technical field of egg transportation auxiliary equipment, and relates to an egg turnover frame which comprises an outer supporting box, an inner supporting box, a damping assembly, an egg bearing frame and an upper protective layer, the outer supporting box is arranged on the inner supporting box in a sleeved mode, and the damping assembly is installed between the outer supporting box and the inner supporting box. A plurality of egg bearing frames are installed on the outer supporting box and the inner supporting box in a sliding mode, a plurality of upper protection layers are installed in the inner supporting box in a sliding mode through upper protection adjusting pieces, and the upper protection layers are located above the egg bearing frames. The shock absorption assembly is installed between the outer supporting box and the inner supporting box, collision or bumping energy generated in the moving process is effectively absorbed, the influence of external factors on eggs is reduced, and the protection capacity of the turnover frame on the eggs is improved; the upper protection layer is installed in the inner supporting box in a sliding mode through the upper protection adjusting piece and covers the upper portion of the egg bearing frame, additional protection is provided for eggs, the position of the egg bearing frame is limited, and the eggs are prevented from sliding out due to a slope or bumping in the transportation process.