40results about How to "Maximize space utilization" patented technology

The invention relates to a mushroom cultivation technology, and discloses a rotary frame type mushroom planting square cabin and a using method thereof.The rotary frame type mushroom planting square cabin comprises a rotary frame supporting structure installed in the planting square cabin, and a rotary rail is installed below the rotary frame supporting structure; the rotary track is arranged in the planting square cabin in a reciprocating snake shape, and is connected to form a closed comb-shaped curve track at the cabin door of the planting square cabin through a linear track; a detachable hanging bracket used for placing a grid frame is installed below the rotary rail, and the rotary rail is connected with the hanging bracket through suspended idler wheels. The gear transmission mechanism is positioned above the linear track, is used for driving the roller to rotate along the rotary track, and is connected with a chain on the rotary track through a gear; and the hanging bracket and the grid frame move along with the rolling wheels under the traction of the rolling wheels. According to the rotary frame type mushroom planting square cabin, the space of the planting square cabin can be utilized to the maximum extent, and the planting density and the production efficiency of the mushroom planting square cabin are improved.

The invention relates to the technical field of bathroom appliances, and discloses a lifting type rotating shaft shower door which comprises a first sliding rail profile, a second sliding rail profile, a lifting air cylinder and a rotating shaft sliding door, a first cavity is formed in the first sliding rail profile, and an air cylinder fixing piece is arranged at a lower end opening of the first cavity; a convex part embedded into the first cavity is arranged on the second sliding rail profile, the interior of the convex part is hollow and forms a second cavity, an air cylinder limiting piece is arranged in the second cavity, and rotating shaft limiting pieces are arranged at the upper end and the lower end of the second sliding rail profile respectively; the lifting air cylinder is arranged in the second cavity, an output rod of the lifting air cylinder is connected with the air cylinder fixing piece, a cylinder body of the lifting air cylinder abuts against the air cylinder limiting piece, and the lifting air cylinder is used for driving the second sliding rail profile to ascend and descend relative to the first sliding rail profile. According to the lifting type rotating shaft shower door, the rotating shaft sliding door has a lifting function, so that a shower water valve and the like can be effectively avoided, and 180-degree barrier-free opening of the rotating shaft sliding door is realized.

The utility model discloses an automobile seat convenient to fold and store, and particularly relates to the field of automobile seats, the automobile seat convenient to fold and store comprises an in-automobile bottom plate assembly, the in-automobile bottom plate assembly comprises a trunk floor and a containing groove, and a folding and storing seat is arranged in the containing groove. The folding storage seat comprises a backrest, a seat cushion, an angle adjuster, a front mounting leg, a rear mounting leg and a middle connecting rod, and the backrest is hinged to the seat cushion through the angle adjuster. Due to the arrangement of the containing groove, before the folding storage seat is folded, an extra space is obtained, when the loading space needs to be expanded, the folding storage seat can be folded and then stored in the containing groove of the trunk, the maximization of the space utilization rate is achieved, the soft inhaul cable driving piece is arranged, the soft inhaul cable driving piece is unlocked, and the loading space can be expanded. The backrest can be put down, the front mounting leg and the rear mounting leg can be unlocked at the same time, the folding process is completed at one time, and folding and storage are very convenient.

The invention belongs to the technical field of railway wagon air braking, and discloses a railway wagon air braking modular assembling device which comprises an L-shaped hanging seat, a module hanging bracket and an air braking assembly, the air braking assembly comprises an auxiliary air cylinder, a double-chamber air cylinder, a pressure limiting valve and a 120 valve, the pressure limiting valve is installed on the module hanging bracket through an air path body, and the module hanging bracket is provided with an installation opening. The front side and the rear side of the module hanging bracket are provided with installation lapping plates, the L-shaped hanging seat and the installation lapping plates are vertically and mutually hooked and connected through bolts, and an upper longitudinal air cavity, a lower longitudinal air cavity and a vertical air cavity are formed in the air path body, the inner end of the lower longitudinal air cavity is communicated with two lower connectors on the left side of the pressure limiting valve, the inner end of the lower longitudinal air cavity on the front section penetrates leftwards to form a transverse air cavity, and the air brake integrated modular installation device has the advantages that air brake integrated modular installation is achieved, the space utilization rate is high, the structures are linked with one another, the working environment is improved, installation is easy and rapid, and cost is reduced.

The invention discloses an intelligent recyclable material classification and recovery device under a low-carbon background and a method for integrating device use and user carbon emission reduction integral accumulation, and the intelligent recovery device is composed of a recyclable material recovery and storage part and a comprehensive intelligent part. The recoverable object recycling and storing part is composed of an upper top plate provided with a solar panel and a built-in storage battery, a front panel, a left side plate, a right side plate, a rear back plate, a fabric putting opening cover plate, a glass putting opening cover plate, a metal putting opening cover plate, a plastic putting opening cover plate, a paper putting opening cover plate, a second-hand object putting opening cover plate, a base with an elastic piece and a recoverable object overflow alarm. The comprehensive intelligent part is composed of a touch screen with a built-in camera, an LED nixie tube, an electronic scale, a recoverable object weighing table, a PLC intelligent storage processing control center and a storage cabinet with a goods shelf and an automatic object taking device; the intelligent recovery device is high in classification recovery efficiency, high in precision, compact in structure, capable of generating power through solar energy and being driven through green electricity, capable of achieving overflow alarm to maximize the space utilization rate of the box body, few in manpower, financial resources and material resources and high in efficiency; by using the method, the integration of intelligent classified putting and recycling of recoverable materials and calculation, accumulation and exchange of user carbon emission reduction points can be realized.

The utility model relates to the technical field of vehicle-mounted articles, in particular to a two-section type vehicle-mounted refrigerator rack which comprises a supporting frame, a sliding rail assembly movably connected with the supporting frame and a tray movably connected with the sliding rail assembly and used for carrying a refrigerator, and the supporting frame comprises a back plate and two side plates fixed to the two ends of the back plate respectively. The reinforcing plates are fixed to the two sides of the tray and the inner sides of the side plates, the connecting blocks are movably connected with the reinforcing plates, the reinforcing plates are provided with a plurality of rolling wheels arranged side by side, the front face and the back face of each connecting block are provided with first sliding grooves and second sliding grooves matched with the rolling wheels, and the rolling wheels are embedded into the first sliding grooves and the second sliding grooves to roll. The connecting block is arranged at the connecting position of the tray and the supporting frame, the reinforcing plates with the rollers are arranged on the tray and the side plates, the rollers are movably connected with the connecting block, and a rigid frame structure of the side plates and the back plate is matched, so that the structure is simplified, the production cost is reduced, and the structural rigidity can be improved.

The present invention relates to the field of battery technology, and discloses a battery. The battery comprises: a battery shell, the battery shell comprises: a shell body, with openings at both ends; a first cover plate, one end of the sealed shell body is open, the first cover plate comprises a first cover plate body and a first bending portion located at the edge of the first cover plate body; a second cover plate, the other end of the sealed shell body is open, the second cover plate comprises a second cover plate body and a second bending portion located at the edge of the second cover plate body; the arrangement direction from the first cover plate to the second cover plate is the first direction, the first bending portion and the second bending portion are both bent and extended in the first direction, the first cover plate, the second cover plate and the shell body form a receiving cavity, the first bending portion extends toward the receiving cavity, and the second bending portion extends in a direction away from the receiving cavity. The bending direction and extension direction of the first bending portion and the second bending portion are the same, so as to maximize the utilization rate of the space in the shell, thereby improving the capacity of the battery.

A new type of combination table, including table body, the table body includes table top, table body, the table top includes the first table top, the second table top, the arc table top, the first table top one angle is equipped with the first shaft sleeve, the second table top one angle is equipped with the second shaft sleeve, and the second shaft sleeve is connected with the second table top through the connecting shaft; the first table top and the arc table top are connected through the movable element. When using, the table body can be placed in different shapes according to actual conditions, for example, the first table top and the second table top are spliced in the form of a long strip; the second table top is rotated by 90 degrees and connected through the arc table top, so that the table body is arranged in the form of an L shape; the second table top is rotated by 180 degrees, and the second table top is spliced with the first table top, which is convenient for multiple people to sit around, suitable for multiple people to have a meal, and through flexible combination, space utilization is optimized, function diversity is enhanced, and scene adaptation is promoted.

The utility model discloses a mechanical part for an ultrafast charging structure, which relates to the technical field of new energy batteries and comprises a top cover, a negative pole and a positive pole, the negative pole and the positive pole are symmetrically mounted on the top cover and are both provided with welding pieces on the inner side of the top cover, and the welding pieces are arranged on the inner side of the top cover. According to the utility model, the maximum over-current capability of the winding type battery cell is realized under the condition that the existing process is changed to be minimum, the problem caused by insufficient over-current capability of the existing switching piece is solved by omitting the switching piece, one procedure is also reduced, the cost is reduced, and the production efficiency is improved. The utilization rate of the internal space of the battery cell is maximized under the condition that overcurrent is ensured, and an optimal structural member combination scheme integrating cost, energy density and fast charging is taken into consideration.

The application discloses a kind of for TOD fire lane air ramp bridge type high formwork construction method, including drawing deepening blanking, measurement lofting, foundation setting, steel column installation, longitudinal, transverse beam installation, platform steel plate installation, high formwork frame body erection and concrete pouring.The application is provided with diamond platform steel plate on the top of steel platform, and the steel platform structure of rhombohedron is formed following the scope of ramp formwork, so that the space utilization of high formwork frame body sitting on the steel platform is maximized, and the net height of at least 6m, net width of at least 4.5m door-shaped hole is formed by transverse i-shaped steel beam and steel column located on both sides of steel platform, and then all construction vehicles and fire vehicles can be smoothly in and out.

The utility model relates to the technical field of sea cucumber storage, in particular to air-drying storage equipment for sea cucumbers, which comprises a storage cabinet, four universal wheels are fixedly connected to the bottom of the storage cabinet, a push-pull rod is fixedly connected to the outer surface of the storage cabinet, a protection assembly is fixedly connected to the top of the storage cabinet, and the protection assembly is fixedly connected to the bottom of the storage cabinet. A rotating assembly is fixedly connected to the outer surface of the storage cabinet, a cabinet door is fixedly connected to the outer surface of the rotating assembly, a door opening assembly is fixedly connected to the outer surface of the cabinet door, a door closing assembly is fixedly connected to the outer surface of the storage cabinet, and a groove is formed in the outer surface of the storage cabinet. Due to the arrangement of the buckle, the screw and the movable bolt, when the storage cabinet is used, the buckle drives the screw to operate, a user screws the screw to fix the buckle on the outer surface of the storage cabinet, then closes the cabinet door through the first handle, and then rotates the buckle to close the door, so that the effect of closing the door to seal the storage cabinet is achieved.

The present invention relates to a method for rapidly and efficiently extracting a plant essential oil from a plant raw material, particularly from xylem of a pine tree, thereby maximizing the yield, reducing the manufacturing cost and time, improving the productivity, performing high-purity treatment on the extracted plant essential oil by a refining process, thereby realizing the diversification and commercialization of the extracted oil, and improving the quality of the plant essential oil. The invention relates to a plant essential oil extraction method and plant essential oil extracted oil extracted by the extraction method.

The utility model discloses a multi-dimensional fire-fighting cabinet, and relates to the technical field of fire-fighting equipment, and the scheme is as follows: the multi-dimensional fire-fighting cabinet comprises a fire-fighting cabinet body in which a fire-fighting equipment accommodating cavity is constructed; the plurality of cabinet door assembly ports are all formed in the fire-fighting cabinet body, the plurality of cabinet door assembly ports are distributed in a polygon shape, and the plurality of cabinet door assembly ports are all communicated with the fire-fighting equipment accommodating cavity to form a fire-fighting equipment access channel; the plurality of cabinet doors are correspondingly mounted at the plurality of cabinet door assembly openings respectively, so that the fire-fighting equipment accommodating cavity is closed and opened; the unique polygonal cabinet body design can be adopted, the situation that people wait in line when taking objects through a traditional fire-fighting cabinet is thoroughly changed, the overall object taking efficiency is greatly improved, and precious time is won for fire rescue.

A kind of encapsulation module capacitor and preparation method thereof, encapsulation module capacitor includes shell, encapsulation layer and capacitor body;The shell is provided with the fixing cavity for fixing capacitor body;Encapsulation layer is filled in fixed cavity to fix capacitor body;Capacitor body is set in fixed cavity, including the two lead-out end frame of relative arrangement, multiple capacitor chip modules spaced apart between the two lead-out end frame and multiple connection frames respectively arranged in adjacent two capacitor chip modules;Connection frame includes connection frame body, multiple first soldering pins spaced apart on the side of connection frame body and multiple second soldering pins spaced apart on the other side of connection frame body, multiple first soldering pins and multiple second soldering pins are sequentially arranged alternately;The setting of the present application connection frame and lead-out end frame, can improve the tolerance of prepared capacitor in high pressure and complex working conditions, so that capacitor has higher reliability in special working environment.

The present invention relates to a clamping device for an antenna, and more particularly, to a clamping device for an antenna, in which an upper end portion of an antenna mounting bracket is connected to an upper support bracket portion so that at least one portion thereof can be steered and rotatably connected to a pair of tilt connection members, a tilt drive unit, and a steering drive unit, and the antenna mounting bracket is connected to a lower support bracket portion so that at least one portion thereof can be steered and rotatably connected to the upper support bracket portion. And at least one part of the lower end part is rotatably connected to the lower supporting bracket part in a steering manner, so that the advantages of stable mounting on the holding pole and product miniaturization design are realized.

The invention provides an SAR satellite structure suitable for multi-satellite launching and a design method, and relates to the technical field of spacecraft design, the SAR satellite structure comprises a satellite main body, a solar wing, a radiation unit, an antenna substrate, a plate penetrating connector, a TR assembly and a semi-rigid connection assembly, the SAR satellite structure adopts a trapezoidal cross section configuration, the internal space of a rocket fairing is fully utilized, and the space of the rocket fairing is fully utilized; a heat conduction unit and a heating unit are arranged between the radiation unit and the antenna substrate and between the antenna substrate and the TR assembly, so that the radiation array plane flatness of the radiation unit and the installation flatness of the TR assembly are ensured, heat conduction between single machines is increased, and the temperature consistency of the antenna is improved; the semi-rigid connection assembly can reduce the response of the active section antenna, release the thermal deformation of the antenna, reduce the flatness change, improve the precision of a radiation array plane, and solve the problems that the space utilization rate of an existing SAR satellite is low, the flatness of the antenna is easily affected by thermal deformation, and the temperature of the antenna is difficult to control.

The utility model discloses a dustproof motor, which comprises a motor body and an electrostatic adsorption mechanism arranged on the motor body and used for adsorbing small particles in the motor body. The electrostatic adsorption mechanism comprises a conductive unit and a dust sticking unit covering the surface of the conductive unit. According to the utility model, through the synergistic effect of active electrostatic adsorption and passive dust-sticking fixation, the limitation of the traditional motor dust-proof technology is broken through, the POG imaging problem caused by the fact that small particles fall on a BG is avoided, and the imaging quality and the reliability of the camera module are remarkably improved.

The invention discloses a supporting frame for computer hardware teaching demonstration, and relates to the field of teaching supporting frames, the supporting frame comprises a supporting seat and a supporting cylinder arranged in the supporting seat, the supporting cylinder is slidably provided with a bearing box, the bearing box is internally provided with an upper layer cavity and a lower layer cavity, and the upper layer cavity is internally provided with a placing box; a placing plate is arranged in the lower-layer cavity, a control assembly is arranged in the supporting cylinder, a handle is fixedly arranged on the supporting cylinder, a first unfolding assembly is arranged in the handle and the upper-layer cavity, and a second unfolding assembly is arranged in the lower-layer cavity. During demonstration, the bearing box ascends, the placement box and the placement plate are unfolded to form a three-dimensional display space, the space utilization rate is maximized, the placement plate is in an inclined state, students in the back row can easily and clearly see the whole view and layout of the plate surface, the problem that the sight is blocked during static flat placement is solved, and the teaching efficiency of teachers is improved.

The application discloses a quantum processor filling method based on a three-dimensional structure and related devices, and the method comprises the following steps: representing a quantum circuit as a corresponding three-dimensional structure volume to-be-filled three-dimensional graph based on the number of logical bits contained, and representing a quantum processor as a corresponding three-dimensional structure volume large cuboid based on the number of physical bits contained; determining the corresponding to-be-filled three-dimensional graph under the constraint condition of quantum computing resources of the quantum processor to-be-executed scheduling of the quantum circuit, and filling the to-be-filled three-dimensional graph into the large cuboid in the structure of the cuboid so as to minimize the remaining space of the large cuboid; determining the quantum computing resources of the quantum processor to-be-executed scheduling of each quantum circuit based on the filling result; the application simulates the cuboid filling of the quantum circuit to the quantum processor by introducing a three-dimensional packing problem, aims to maximize the utilization of quantum computing resources, improves the quantum resource utilization rate, and improves the overall quantum computing efficiency through parallel processing.

The invention provides a method for realizing pull-down of a multi-choice box with dynamically maximized label display quantity, and belongs to the technical field of Web front-end development, the method comprises the following steps: creating invisible analog display elements corresponding to current selected options by responding to state change of a graphical user interface; obtaining the current available display width of the display container; calculating a simulated total width based on the width of the simulated display element; and according to the comparison of the simulation total width and the available display width, the maximum label display number which can be completely displayed without overflowing in the display container is dynamically determined. According to the method, the problem of container space waste or content overflow caused by fixed label display quantity in the prior art is solved, full-automatic and self-adaptive optimization of the label display quantity under different screen sizes and different label contents is realized, and the response type adaptation capability and the space utilization rate of the component are remarkably improved.

The invention discloses a preparation process of a stainless steel water tank integrating water filtering, and belongs to the field of kitchen utensil manufacturing. The process aims at solving the problems that an existing water tank needs to depend on an external filter basket and is inconvenient to use and difficult to clean. The core of the method is that after a water tank main body is formed, laser micro-texture pretreatment, preparation of a porous metal ceramic transition layer through atmospheric plasma spraying and preparation of a polymer precise filter membrane through ultrasonic spraying and sintering are sequentially performed on a water filtering functional area preset at the bottom of the water tank, and super-hydrophobic modification and edge sealing are performed on the filter membrane. By constructing a gradient composite functional structure of the high-strength porous transition layer, the precise microporous filter membrane and the super-hydrophobic surface, an efficient and durable physical filtering function is permanently integrated into the water tank body for the first time, and an external filter basket is replaced. The obtained water tank product has excellent filtering efficiency, extraordinary durability, extreme easy-to-clean property and good water permeability, and the integrated innovation of the function and the structure of the water tank is realized.

The application relates to a compact and small automobile key, characterized by comprising a front cover, a rear cover connected with the front cover, and a hooking piece connected with the lower ends of the front cover and the rear cover, a first accommodating cavity is formed in the inner side of the front cover, a second accommodating cavity is formed in the outer side of the front cover, a flexible key plate is embedded in the first accommodating cavity, a third accommodating cavity is formed in the inner side of the flexible key plate, a circuit board assembly is installed in the third accommodating cavity, a key sleeve is connected in the second accommodating cavity, the key sleeve is embedded in the second accommodating cavity and the outer wall surface of the key sleeve is lower than the outer wall surface of the front cover, the rear cover is used for pressing the circuit board assembly into the third accommodating cavity through a supporting structure and the height of the circuit board assembly is lower than the third accommodating cavity, the circuit board assembly is used for pressing the flexible key plate into the first accommodating cavity and the height of the flexible key plate is flush with the first accommodating cavity, and a fourth accommodating cavity for accommodating the circuit board assembly is formed in the inner side of the rear cover. The four accommodating cavities are jointly installed and matched, the installation space is saved, and the overall volume of the automobile key is greatly reduced.

The present invention relates to a clamping device for an antenna, and more particularly, to a clamping device for an antenna, comprising: a fixed bracket part disposed above and below a derrick so as to intervene in mounting an antenna device to the derrick; an antenna mounting bracket which is inserted into a front mounting antenna device; the steering driving unit is connected to the fixed bracket part and is used for driving to steer and rotate the antenna equipment; and a tilt driving unit having an upper end hinged to the steering driving unit and a lower end hinged to a rear upper end of the antenna mounting bracket through a pair of tilt connecting members, the tilt driving unit being driven to tilt and rotate the antenna device. The clamping device for the antenna further comprises a backlash reduction design shape for reducing the generation of mechanical backlash noise caused by an eccentric load of the antenna device, thereby providing the advantage of being able to suppress backlash noise.

This utility model relates to the field of pharmaceutical tray technology, and more particularly to a clinical pharmaceutical tray. It includes a tray body, a first partition fixed to the inner side of the tray body, four locking plates slidably connected to the four inner corners of one end of the tray body, a second fixing plate fixed to one side of each locking plate, and locking mechanisms at the four top corners of one end of the tray body for locking and fixing the locking plates. An adjustment mechanism is provided on one end of the tray body. The clinical pharmaceutical tray provided by this utility model allows the position of the second partition to be flexibly adjusted according to actual needs, thereby maximizing the space utilization of the tray body. Medicines of different sizes and shapes can be stored separately, avoiding space waste, and the separate storage can prevent cross-contamination between medicines. The locking mechanism design makes the removal of the adjustment mechanism quicker, thus facilitating the disinfection and cleaning of the tray body.

The invention relates to the technical field of logistics, and discloses a mechanical arm automatic sorting and caging system and method.The mechanical arm automatic sorting and caging system comprises an upper computer used for managing and controlling the whole sorting process; a first camera support and a second camera support, the first camera support and the second camera support are provided with a first 3D camera and a second 3D camera respectively, and the first 3D camera and the second 3D camera are used for obtaining size and position data of an express parcel; a plurality of express packages are arranged on the outer surface of the conveying line; and the mechanical arm is mounted at the top of the base. And through the automatic mechanical arm and the 3D camera technology, rapid identification, grabbing and classification of express packages are achieved, and the time needed by traditional manual sorting is greatly shortened. The multi-degree-of-freedom motion and the real-time data processing capacity of the mechanical arm can efficiently adapt to the sizes and shapes of different packages, so that it is ensured that each package can be rapidly and accurately processed, and the overall working efficiency is improved.

The utility model relates to a heating assembly, an electronic atomizer and an electronic atomization device. The heating assembly comprises a first atomization assembly, a second atomization assembly, a connecting piece and a sealing piece. The first atomization assembly is used for being arranged in the first oil storage bin; the second atomization assembly is used for being arranged in the second oil storage bin; the two opposite end faces of the connecting piece are provided with a first connecting protrusion and a second connecting protrusion respectively, one end of the first atomization assembly is arranged on the first connecting protrusion in a sleeved mode, one end of the second atomization assembly is arranged on the second connecting protrusion in a sleeved mode, and the connecting piece is provided with a vent hole. The vent hole extends from the first connecting bulge and penetrates through the second connecting bulge; the sealing piece is arranged on the side face of the connecting piece in a surrounding mode and used for sealing the connecting position between the first oil storage bin and the second oil storage bin. Therefore, the oil storage space is utilized to the maximum extent, and the taste is more stable.

The application provides a novel carrier instrument cabin structure, and relates to the technical field of carriers.The novel carrier instrument cabin structure is integrated in a second-stage box intersegment of a carrier rocket, and comprises a front and rear end frame, an instrument cabin outer shell, an instrument mounting plate, a support frame and an inertial measurement unit support.The instrument cabin outer shell is cylindrical.The front and rear end frame comprises an upper end frame and a lower end frame, and the upper end frame and the lower end frame are connected to the two ends of the instrument cabin outer shell respectively.The instrument mounting plate is fixedly connected to the inner wall of the instrument cabin outer shell through the support frame, and is used for mounting instrument equipment.The inertial measurement unit support is fixedly connected to the inner wall of the instrument cabin outer shell, and is used for mounting inertial measurement unit equipment.The application cancels the independent instrument cabin of the upper stage, integrates the instrument cabin into the second-stage box intersegment, and installs most of the instrument equipment, pipelines and gas cylinders and the like in the second-stage box intersegment through reasonable layout, so that the structure of the carrier can be simplified, the weight of the upper stage can be reduced, the cost can be reduced, and the carrying capacity can be improved.

This invention provides a cobalt tetroxide with a compact inner structure and a loose outer structure, its preparation method, and its application. The preparation method includes the following steps: first, a reaction solution containing seed crystals is prepared; then, a second cobalt-aluminum mixed salt solution and a second precipitant solution are co-flowed into the reaction solution containing seed crystals to perform a crystal growth stage, obtaining a reaction solution containing a first intermediate; subsequently, a salt solution containing doped elements, a third cobalt-aluminum mixed salt solution, and a third precipitant solution are co-flowed into the reaction solution containing the first intermediate to perform a second co-precipitation reaction, obtaining a second intermediate; finally, the intermediate is calcined to obtain the cobalt tetroxide with a compact inner structure and a loose outer structure. This preparation method, by controlling the reaction conditions in stages, obtains a cobalt tetroxide with a compact inner structure and a loose outer structure, meeting the requirements for high tap density, high structural strength, and good conductivity, thereby improving the energy density and electrochemical performance of lithium-ion batteries.

The utility model provides an assembly structure of a battery assembly, a cylindrical battery and a battery module, and relates to the field of batteries. The assembling structure is applied to a battery assembly with a first direction and a second direction which are perpendicular to each other. The pole piece of the battery assembly is connected with the pole column through the tab; the assembly structure comprises a shell and an insulation pad which is provided with a pad body, a folding part and a pole hole, the gasket body is arranged between the tab and the shell along the first direction and is connected with the folding part; the folding part is arranged in the direction, far away from the pole column, of the insulation pad, is folded towards the pole piece side and is in contact with the pole piece and the shell in the second direction; the pole extends in the first direction through the pole hole. By using the assembly structure of the battery assembly provided by the invention, the assembly of the battery assembly is realized, and the manufacturing cost of the battery can be reduced while the assembly yield of the battery is improved.

The utility model relates to the technical field of mechanical design and metallurgical heat treatment, and discloses movable annular electroslag bar heat preservation heating equipment which comprises a positioning base and a heat preservation heating furnace, and a screw hole is formed in the bottom of the positioning base. According to the movable annular electroslag bar heat preservation and heating equipment, the electroslag bar containing table is arranged at the front end of the heat preservation heating furnace and has the effects of supporting and moving horizontally-placed electroslag bars, meanwhile, the heat preservation heating furnace can achieve free movement of the furnace body along the horizontal sliding rail, and the heat preservation and heating procedure of the electroslag bars is more convenient and faster; a metal sealing cover is arranged at the front end of the heat preservation heating furnace and is tightly attached to and fixed to a furnace opening and an electroslag bar through metal buckles, harm such as scalding caused by an unsealed heating furnace is avoided, and the safety of the heat preservation heating procedure is improved. And an asbestosed wire gauze heat insulation layer is arranged in the metal sealing cover, so that a good heat preservation effect can be achieved, and the effects of saving energy consumption and reducing cost are further achieved.