219results about How to "Guaranteed circulation" patented technology

The invention belongs to the technical field of heat exchange equipment, and particularly relates to a double-layer coil pipe type multi-stage heat exchanger and a heat exchange method thereof.The double-layer coil pipe type multi-stage heat exchanger comprises multiple heat exchanger bodies which are sequentially connected in series, each heat exchanger body comprises an outer cylinder, an inner cylinder, a first-layer coil pipe and a second-layer coil pipe, and each outer cylinder is arranged on the outer wall of the corresponding inner cylinder in a sleeving mode and provided with a fluid inlet and a fluid outlet; a fluid inlet and a fluid outlet which are communicated are formed in the inner cylinders, the fluid outlet of the upper-stage inner cylinder is communicated with the fluid inlet of the lower-stage inner cylinder, and the first-layer coil pipe and the second-layer coil pipe are both arranged in an annular cavity formed by the outer cylinder and the inner cylinders.

The utility model belongs to the technical field of automatic movement, and provides a Mecanum wheel anti-deviation device which is arranged on the edge of a Mecanum wheel platform and comprises a plurality of blocking mechanisms, a plurality of moving mechanisms, a plurality of moving mechanisms, a plurality of moving mechanisms and a plurality of moving mechanisms, and at least one blocking mechanism is arranged on each side of the Mecanum wheel platform. The blocking mechanism comprises a blocking piece, a base and a lifting assembly. The base is fixedly connected with one side of the Mecanum wheel platform, the lifting assembly is connected with the base, and the driving end of the lifting assembly is connected with the blocking piece. The blocking mechanisms are arranged on the periphery of the Mecanum wheel platform, the blocking mechanisms are controlled to rise, the upper surfaces of the blocking pieces are made to be higher than the upper surface of the Mecanum wheel platform, loads generated in the surface operation process of the Mecanum wheel platform are blocked, and therefore the phenomenon that the loads possibly deviate in the operation process is avoided.

The invention discloses high-speed wire cutting machine tool equipment for precision machining, and relates to the field of high-speed wire cutting machine tools, the high-speed wire cutting machine tool equipment for precision machining comprises a cutting machine tool and a control cabinet mounted on one side of the cutting machine tool, the control cabinet is used for controlling the cutting machine tool, and an operation table for operation is mounted on the top side of the control cabinet; one side of the control cabinet is provided with a heat dissipation fan, and the other side of the control cabinet is provided with an air inlet hole used for air inflow. It needs to be explained that in the embodiment of the invention, through absorption of the filter boxes, air entering the control cabinet can be kept clean and dry, safe use of electric appliance elements in the control cabinet is effectively guaranteed, switching of the filter boxes can be automatically completed, and it is guaranteed that the control cabinet can continuously drive the cutting machine tool to conduct precise cutting; besides, the filter box is actively cleaned through the cleaning strip, smoothness of the filter box is guaranteed, air circulation in the control cabinet is further guaranteed, the control cabinet obtains a good heat dissipation effect, and potential safety hazards are eliminated.

The liquid cooling super charging pile comprises a shell, a control panel is arranged on the front face of the shell, charging guns are connected to the upper portions of the left side and the right side of the shell in an inserted mode, take-up shells are fixedly connected to the two sides of the shell, and motors are symmetrically installed on the left side and the right side of the interior of the shell; a rotating rod is connected to the interior of the take-up shell. According to the liquid cooling super charging pile for rapid charging of the low-altitude aircraft, by means of the arranged ratchet wheel assembly, when a user pulls out a section of a cable on a charging gun, limiting and fixing can be automatically conducted, the cable is prevented from being automatically recycled, then a rotating rod is driven by a motor to rotate reversely, and a winding drum rotates reversely to automatically wind the pulled-out cable; therefore, a user does not need to arrange the cable manually, the charging convenience is improved, the cleaning brush moves up and down in a reciprocating mode to clean the heat dissipation grids, and therefore the situation that the heat dissipation grids are blocked by dust, and heat dissipation of the charging pile is affected is avoided.

The invention belongs to the technical field of thin-film solar cells, and particularly discloses a CIGS thin-film solar cell back cleaning device which comprises a wiping mechanism and a positioning detection mechanism. The invention provides a method and a device for cleaning the back surface of a CIGS thin-film solar cell, which can quickly and stably clean the local part of the back surface of the CIGS thin-film solar cell and ensure the wiping integrity and the normal circulation of subsequent working sections, thereby realizing the effective supervision of quality control and the quality acceptance of products. In addition, the defects of traditional pressing block positioning, wiping paper dragging and other modes can be overcome, and the problems that a traditional cleaning mode is low in passing rate, poor in wiping effect, prone to repetition, high in clamp positioning fragment rate and the like are solved.

The invention relates to the technical field of fluidized bed drying, in particular to an improved fluidized bed dryer and a drying process. The drying machine comprises a material bed and a transverse moving mechanism; the bottom of the material bed is connected with a vibration source and can ventilate and dry upwards from the bottom; the transverse moving mechanism comprises a driving part assembled at the bottom of the material bed and a plurality of transverse moving beams distributed in the conveying direction of the material bed, and the transverse moving beams are slidably installed on the material bed in the width direction of the material bed. The driving piece is used for intermittently and synchronously driving the plurality of transverse moving beams and driving the adjacent transverse moving beams to reversely slide in a reciprocating manner; a plurality of first brushes and a plurality of second brushes are detachably installed on each transverse moving beam in the length direction of the transverse moving beam. Through various auxiliary drying treatments on materials and cleaning of the bed surface, the drying uniformity and sufficiency of material finished products are guaranteed, the uniformity of material particle sizes is improved, the quality of the dried material finished products is guaranteed, and follow-up stable storage is facilitated.

The utility model relates to the technical field of underground mine roadway monitoring, in particular to an underground roadway air monitoring system which comprises an air compression system, the air compression system comprises instrument units and an air exchange unit, air outlets of the instrument units are communicated with an instrument mother pipe, the instrument mother pipe is connected with instrument equipment, and the instrument equipment is connected with the air exchange unit. Air outlets of the air exchange units are communicated with an air exchange main pipe which is connected with air exchange equipment; the air supply system comprises an air supply pipe and a valve assembly used for controlling on-off of the air supply pipe, and the two ends of the air supply pipe communicate with the instrument mother pipe and the air exchange mother pipe correspondingly; and the air monitoring system is in signal connection with the valve assembly and the air exchange equipment at the same time, and the air monitoring system is used for detecting the air circulation condition of the underground roadway and controlling the air supply system and the air exchange equipment according to the detected result. The air exchange air compressor has the effect that normal underground work can be maintained when the air exchange air compressor is abnormal.

The utility model discloses an end telescopic airing structure, an airing assembly and a clothes airing machine, and belongs to the field of clothes hangers. The end telescopic airing structure comprises two fixing rods arranged in parallel and telescopic rods arranged at the ends of the fixing rods, the two ends of the two fixing rods are connected through fixing rod bases, and the extending ends of the telescopic rods located on the same side are connected through telescopic rod bases. And a flexible sheet which can be unfolded along with the extension of the telescopic rod is arranged between the fixed rod seat and the telescopic rod seat on the same side. According to the utility model, the cross rod between the telescopic rods is driven by the flexible sheet to be linked with the extension action of the telescopic rods, a complicated linkage structure does not need to be designed in the telescopic rods, the structure is simple, and the manufacturing cost is low; after the flexible sheets are unfolded, an airing platform can be formed, the span of the unfolded flexible sheets can be reduced through the transverse rods, the supporting effect on the flexible sheets is achieved, and the airing bearing capacity of the flexible sheets can be improved; and the cross rod can be used as a mother and baby rod to clamp and hang small clothes, so that the clothes airing machine has various small clothes airing modes, and the practicability of the clothes airing machine is further improved.

The utility model relates to the technical field of cultivation trays, in particular to a tray for wood section cultivation, which can timely remove poorly developed wood sections, ensure air circulation, reduce occupied space and facilitate unified management. Comprising a tray body, a cultivation assembly, supporting assemblies and a moisturizing assembly, a placement groove is formed in the top of the tray body, the cultivation assembly is located in the placement groove and comprises a plurality of placement bases and a plurality of cultivation cylinders, the supporting assemblies are installed at the four corners of the bottom of the tray body, a cavity is formed in the tray body, and ventilation holes communicated with the cavity are formed in the placement groove; the moisturizing assembly is installed in the cavity.

The utility model belongs to the technical field of agricultural product preservation, and particularly relates to a lotus root anti-brown spot preservation container which comprises a base, a splicing bin and a bin cover, a filling bin filled with natural antioxidants and microbial inhibitors is arranged in the splicing bin, and the lotus root anti-brown spot preservation container can inhibit the activity of phenol oxidase, prevent brown spots, inhibit the growth of mould and bacteria and delay lotus root decay; a sponge mat is arranged at the bottom of the container to absorb excessive moisture, keep dry and further prevent mould breeding; a microporous membrane is arranged between the splicing bin and the bin cover, gas exchange is allowed, microorganisms are prevented from entering, the concentration of oxygen and the concentration of carbon dioxide are controlled, and the preservation effect is enhanced; the quick-release lock catch structural design enables the container to be mounted and dismounted more conveniently and quickly, the air holes are formed in the partition pieces, air circulation is ensured, a suitable storage environment is provided, and the overall design is efficient, environmentally friendly and easy and convenient to operate.

The invention discloses a coal-fired power plant constant-temperature monitoring fire coal drying device, and belongs to the technical field of fire coal drying, the coal-fired power plant constant-temperature monitoring fire coal drying device comprises a drying bin, a sliding door assembly is arranged on the side wall of the drying bin, a hot air blower is fixedly installed on the side wall of the drying bin in a penetrating mode, an exhaust assembly is fixedly connected to the side wall of the drying bin, and a material pressing assembly is fixedly installed on the side wall of the drying bin in a penetrating mode; according to the device, by arranging the structures such as the air exhaust assembly and the material pressing assembly, the air pressure in the drying bin can be kept stable, coal powder flowing along with air in the drying bin can move into a material pressing frame, the dust falling assembly is fixedly installed on the top of the material pressing assembly, and the temperature monitor is fixedly installed on the side wall of the drying bin in a penetrating mode; and after accumulation for a certain time, the pulverized coal is extruded and formed through the combined action of a baffle, a material pressing frame and an extrusion block, then pushed into the conveying frame and moved into the drying bin again through the conveying frame, so that the collected pulverized coal can be dried, and follow-up use is facilitated.

The utility model relates to the technical field of air energy heat pumps, and discloses integral air energy heat pump equipment which comprises an equipment frame, a partition plate is in threaded connection with the inner wall of the equipment frame, a protection mechanism is arranged on the top of the partition plate, a buffering mechanism is arranged on the bottom side of the interior of the equipment frame, and the protection mechanism comprises two protection frames. The bottoms of the two protection frames are fixedly connected to the top of the partition plate, the close sides of the protection frames are fixedly connected with connecting plates, the two sides of the interior of each protection frame are fixedly connected with ventilation grids, and the two sides of the exterior of the equipment frame are both in threaded connection with baffles. According to the protection mechanism, the protection frame is connected with the connecting plate, and then the protection frame drives the ventilation fence to be fixed, so that through cooperation of all structures of the protection mechanism, internal electric control components are convenient to maintain, the protection capacity of equipment to the internal components is improved, and the overall stability of the structure is enhanced.

The utility model relates to the technical field of distribution boxes, in particular to an extensible distribution box which is internally provided with a main box body, and a positioning rack is fixedly arranged on the rear end face of the main box body. According to the utility model, the rotating motor is started to drive the rotating shaft and the rotating fan blades to rotate at a high speed, so that the supporting rack and the expansion rack are driven to move upwards along the main box body, and when a certain height is reached, it is ensured that the auxiliary positioning plate and the expansion rack can be fixed to an appointed number of electricity meters. And outside air is extracted from the lower part of the air inlet filter plate, enters an air extraction cavity from the air inlet filter plate, then flows into an auxiliary positioning plate and is exhausted to the outside from an exhaust filter plate, so that air circulation in the expandable distribution box is ensured, heat dissipation of an electric meter is facilitated, and the service life of the electric meter is prolonged. And the butt joint of damp air in the extensible distribution box is prevented, so that the service life of the electric meter is prolonged.

The utility model discloses a full-sealed oil-immersed high-capacity power transformer, which relates to the technical field of transformers and comprises an oil tank, a tank cover is mounted on the top surface of the oil tank, cooling components are assembled on two sides of the top surface of the tank cover, and an oil pump is mounted above the tank cover. The louver adopts a gap type structure and a stepped inclined shape, heat in the radiating fins can be smoothly radiated outwards through gaps among the gap type structures by the aid of the gap type structure, and the stepped inclined shape guides an air flowing path, so that the heat in the radiating fins can be radiated outwards by the aid of the gap type structure regardless of blowing of external natural wind. The air can smoothly penetrate through the protective cover along the inclination angle of the shutter and fully flow through the heat dissipation fins when the transformer is in a power-off state or is in air convection caused by heat dissipation of the transformer, and meanwhile, most dust is effectively blocked through the shutter, so that air circulation can be guaranteed, and most dust can be blocked.

According to the technical scheme, the glasses and mask all-in-one machine is characterized in that the glasses and mask all-in-one machine comprises a glasses body and a mask body, a plurality of inserting holes are formed in the glasses body, a plurality of inserting blocks are correspondingly arranged on the mask body, first magnetic attraction blocks are arranged in the inserting holes, and second magnetic attraction blocks are arranged on the inserting blocks; a power supply and a control panel are arranged in the glasses body, the power supply is connected with the control panel, the control panel comprises a power interface, and the power interface is arranged in the jack and is linked with the insertion block; the two sides of the mask body are each provided with a filtering opening and a filter, the filters communicate with the power interface through the insertion blocks, and the glasses and mask all-in-one machine can effectively protect the eyes and the nasal cavity of a worker and is convenient to disassemble and assemble.

The utility model relates to the technical field of morchella esculenta production, and discloses a morchella esculenta culture shelf which comprises two supporting plates which are distributed up and down at an interval and a side shelf with the two ends fixedly connected with the supporting plates, culture assemblies for placing morchella esculenta stock seeds are arranged between the supporting plates, and the two culture assemblies are arranged in a front-and-back symmetry mode. The two culture assemblies are supported and fixed through the supporting assemblies and the supporting plates. The stock culture shelf has the advantages that a one-groove culture mode is adopted, the placing space of the culture shelf is reasonably utilized, stock seeds cannot be stacked when placed and cultured, taking out or placing operation of each stock seed becomes simple and fast, meanwhile, the air circulation on the shelf is guaranteed, and meanwhile the culture shelf is convenient to use. And the hypha development condition of the stock seeds can also be visually observed, so that the stock seeds are convenient to culture, load and take, and the orderliness and efficiency of production are improved.

The stoma drainage bag comprises a bag body, an opening for stoma excrement to flow in is formed in the upper side of the bag body, and scale marks are arranged on the outer surface of the bag body; an exhaust port is further formed in the upper side of the bag body, an exhaust pipe is arranged at the exhaust port, a partition plate is arranged in the exhaust pipe, a plurality of first through holes are evenly formed in the partition plate, the bag body is communicated with the outside through the first through holes, an adjusting plate is rotationally connected into the exhaust pipe, and a communicating part for communicating the first through holes and a shielding part for shielding the first through holes are arranged on the adjusting plate; an adsorption assembly used for adsorbing peculiar smell is further detachably connected into the exhaust pipe. The scale marks are arranged, so that the excretion amount can be conveniently recorded; by arranging the adsorption assembly at the exhaust port, peculiar smell in the gas can be adsorbed during exhaust, and the problem that the gas cannot be directly exhausted is solved.

The present invention belongs to the technical field of fresh refrigerated transportation, and specifically is a breathable and waterproof fresh refrigerated transportation box, comprising an inner box body, an outer box body and a breathable component; two sets of breathable components are arranged, one set is arranged at the top of the inner box body, and the other set is arranged at the bottom of the inner box body; the breathable component at the top of the inner box body is in a ventilated state, and the breathable component at the bottom of the inner box body is in a closed state; the present invention arranges two sets of breathable components, specifically, arranges the breathable component at the top of the inner box body in a ventilated state, and the breathable component at the bottom of the inner box body in a closed state, thereby enabling water for preservation to be added to the inner box body, thereby ensuring that the fresh products in the inner box body are placed in a ventilated and moisturizing preservation environment for transportation; at the same time, it can ensure that the water in the transport box will not spill in a bumpy carriage or during transportation, thereby ensuring that the environment will not be polluted during transportation.

The present invention belongs to the field of plastic product cooling technology, and specifically relates to a finished product cooling and molding equipment for plastic product manufacturing, including a base, an injection molding machine is installed on the top of the base, the injection molding machine includes a fixed mold and a movable mold driven by an electric slide rail, an injection hole is opened in the center of the fixed mold, a fixed shell is connected to the injection molding machine, a sliding part is slidably connected to the fixed mold, and the movable mold moves to the left and contacts with the right side of the sliding part. When the movable mold is closed, the movable mold pushes the sliding part, and the push plate pushes the connecting plate, so that the cooling nozzle, the piston block and the sliding cylinder move to the left, and the cooling water in the water inlet pipe flows into the fine cylinder, and the injection molding machine is controlled to inject the raw material into the cavity. When the movable mold is opened, the compression spring and the return spring move the sliding part, the piston block, the sliding cylinder and the cooling nozzle to the right, and the cooling nozzle sprays cooling water to the inner surface of the finished product through the piston block. Under the cooperation of the cooling nozzle, the fan and the cooling pipe, multiple cooling effects are played on the finished product, and the cooling speed is fast and the cooling effect is good.

The utility model relates to the technical field of seedling raising devices, in particular to a seedling raising device for rice planting, which comprises a rotating disc, a sprinkler pipe, a light shield, a seedling raising box and an adjustable seedling raising hopper, through the design that the rotary sprinkling pipe is matched with multiple groups of spray pipes, uniform sprinkling of a water and fertilizer solution in the seedling raising box is realized, the problem of uneven dryness and humidity caused by traditional manual watering is avoided, root rot or local drought is effectively prevented, and the germination rate and the seedling uniformity are improved; the adjustable seedling raising hopper driven by an air cylinder is adopted, the seedling raising depth can be flexibly adjusted according to the root system requirements of different rice varieties, the root system growth environment is optimized, the transplanting survival rate is increased, the light shield is provided with an adjustable light source, the seedling raising state is monitored in combination with an infrared laser, precise light supplementing or shading is achieved, and the illumination requirements of different growth stages are met; healthy growth of seedlings is promoted, and the overall seedling raising effect is improved.

This invention provides a high-efficiency, water-saving, tiered aquaculture tank, belonging to the field of aquaculture technology. It addresses the problem in existing tiered aquaculture tank structures where the height and position of the upper tank limit the ability of workers to quickly and flexibly access aquatic organisms in all corners of the upper tank. The invention includes a support frame, a movable tank, supporting rails, an easy-access component, and a partition component. The movable tank is located at the top of the support frame. Two supporting rails are fixedly connected to the left and right sides of the support frame. The easy-access component is located at the top of the support frame. The partition component is located inside both the fixed and movable tanks. This invention solves the problem of inconvenient operation of the upper movable tank through the easy-access component, facilitating the retrieval of aquatic organisms and the feeding of materials. Simultaneously, the partition component allows for flexible separation of the internal space of the fixed and movable tanks, meeting diverse aquaculture needs.

The utility model relates to the technical field of insect feeding, in particular to a barley pest pupation plate which comprises a pupation plate body with an opening structure, a feeding area and a pupation area are arranged on the bottom face of the pupation plate body, the feeding area is communicated with the pupation area, and a plurality of pupation cells are densely distributed in the pupation area. According to the utility model, the breeding area and the pupation area which are communicated with each other are arranged, so that the two stages of breeding and pupation of barley pests can be carried out in the same space, manual transfer is not needed, and the labor load of workers is reduced.

This utility model relates to the field of damper technology and discloses a fluid buffer device, including a main structure and a buffer structure. The main structure has a communicating cavity and an inlet and an outlet communicating with the communicating cavity, with the inlet and outlet positioned opposite each other. The buffer structure is disposed within the communicating cavity and has a buffer cavity and two openings communicating with the buffer cavity. One opening is connected to the inlet, and the other opening is connected to the outlet. The buffer structure is configured to be elastic. Under the action of medium pressure, the buffer structure is adapted to undergo elastic deformation to buffer the medium pressure. This utility model can provide all-round buffering of medium pressure in the radial, circumferential, and axial directions, so that the buffer structure can fully absorb the pulse brought by the medium pressure, thereby effectively improving the buffering effect of the buffer structure on the medium pressure and avoiding splashing when the medium flows out of the outlet.

This invention relates to the field of electrofusion pipe fitting processing equipment technology, and discloses a device for improving the warping of large-diameter electrofusion pipe fittings. The device includes a furnace body with two sets of parallel annular conveyor belts inside. Both conveyor belts are connected to a conveying drive mechanism. Multiple pipe fixing mechanisms for fixing the electrofusion pipe fittings to be processed are evenly spaced on the two conveyor belts. A pipe feeding mechanism is provided at the starting end of the conveying of the two conveyor belts, and a pipe unloading mechanism is provided at the end of the conveying of the two conveyor belts. Both the pipe feeding and unloading mechanisms are located outside the furnace body. The portions of the two conveyor belts inside the furnace body are connected to a rotary temperature control mechanism inside the furnace body for graded temperature control of the electrofusion pipe fittings during rotation. This allows for sequential and uniform cooling of each part of the electrofusion pipe fitting, resulting in better cooling and higher quality after annealing, effectively improving the warping problem of large-diameter electrofusion pipe fittings.

The utility model relates to the technical field of packaging boxes, in particular to an anti-extrusion packaging box for strawberries. Comprising a box body and a box cover, a box cavity with the caliber gradually increased from bottom to top is formed in the box body, multiple sets of annular supporting pieces are sequentially arranged on the cavity wall of the box cavity from bottom to top, partition plates are in lap joint with all the sets of annular supporting pieces, a single-layer strawberry containing space is formed between every two adjacent partition plates, and the size of each partition plate is sequentially increased from bottom to top. The packaging box adopts a single-layer placement mode, so that the strawberries can be effectively prevented from being stacked, damage caused by extrusion is fundamentally reduced, and the quality of the strawberries is guaranteed.

The utility model relates to the technical field of high-voltage frequency conversion cabinets, in particular to a cooling device for a high-voltage frequency conversion cabinet, which comprises a cabinet main body, a rear heat dissipation grid arranged at the rear end of the outer side of the cabinet main body, side heat dissipation grids arranged at the left and right ends of the outer side of the cabinet main body, and an electric telescopic rod arranged at the left end of the outer side of the cabinet main body. A protective shell is arranged at the outer telescopic end of the electric telescopic rod, and a fan is arranged on the inner side of the protective shell. Air circulation inside and outside the cabinet body is guaranteed through the rear heat dissipation grating and the side heat dissipation grating, the rotating fan blows out hot air in the cabinet body, the hot air is discharged through the side heat dissipation grating, meanwhile, the telescopic electric telescopic rod drives the protective shell to move up and down in a reciprocating mode, and therefore the fan is driven to move up and down along the side heat dissipation grating to blow out the hot air. Through a mobile heat dissipation mode, hot air flow of the cabinet body is discharged from different positions of the cabinet body, local overheating caused by the fact that the hot air flow is concentrated to the same position of the cabinet body is avoided, uniform heat dissipation of the cabinet body is ensured, and the cooling effect of the cabinet body is guaranteed.

The utility model provides a light truck tarpaulin troop carrier. The light truck tarpaulin troop carrier comprises a frame, a headstock and a carriage are fixedly mounted at the top of the frame, a steel framework is fixedly mounted at the top of the carriage, rainproof tarpaulin is arranged on the outer side of the steel framework and fixedly connected with the steel framework and the carriage, two rows of wooden seats are arranged in the carriage, and the two rows of wooden seats are fixedly connected with the steel framework. The sides, away from each other, of the two rows of wooden seats make contact with the inner walls of the two sides of the compartment correspondingly. Two getting-on handrails are arranged on the side, away from the vehicle head, of the compartment, and the two getting-on handrails are symmetrically arranged; an anti-corrosion wood seat cushion is fixedly installed on the top of the wood seat, and anti-corrosion wood backrests are fixedly installed on the inner walls of the two sides of the compartment. The light truck tarpaulin troop carrier provided by the utility model has the advantages of flexibility and high efficiency of a civil light truck and capability of meeting special requirements of military transportation.

The utility model belongs to the technical field of animal nursing, and discloses an integrated assembly hive which comprises an expandable hive body, and joints of the expandable hive body comprise a first joint, a second joint and a third joint. Locking assemblies are arranged beside the first joint, the second joint and the third joint. An access hole is formed in a first panel of the expandable box body; the first panel is positioned below the access hole and is provided with a foldable platform; and the expandable box body is also provided with an openable window door and an air hole. The outdoor animal protection device can be assembled to be used as a tool for protecting wild animals, and can be efficiently unfolded to be convenient to transport and store.

The invention relates to the technical field of mink breeding, in particular to a special shed for mink breeding. An outer fence arranged in a rectangular shape is mounted on the outer side of the breeding plant; the two sides of the breeding plant are fixedly connected with wind shielding mechanisms which are longitudinally arranged correspondingly, and an air detector used for detecting the quality of air in the breeding plant is installed at the bottom of the top cover. A plurality of sheds are mounted in the breeding plant, and manure removal mechanisms for manure removal are mounted at the bottoms of the sheds; the manure removing mechanism is arranged at the bottom of the shed, a second motor drives a threaded shaft to rotate to enable a moving table to move, the moving table can drive an adjusting shaft and a manure removing frame to move, a third motor drives the adjusting shaft to rotate to enable the manure removing frame to rotate, one side of the manure removing frame makes contact with the bottom of a bottom frame, and the purpose of manure removing can be achieved; by reversely rotating the third motor, the bottom of the excrement removing frame does not make contact with the bottom frame, it is guaranteed that excrement is prevented from being pushed back, and it is guaranteed that excrement is pushed and removed towards one side.

The utility model discloses a high-elasticity non-woven fabric composite fabric which comprises safe edges, side strips and a fabric body. The fabric body is optimally arranged, the first non-woven fabric layer on one side of the skin-friendly layer is connected with the second non-woven fabric layer through the layered structure, the elastic crease-resistant layer is connected to the bottom side of the second non-woven fabric layer, and the antibacterial coating is arranged on the surface of the skin-friendly layer, so that a certain antibacterial effect is achieved; air holes are formed in the skin-friendly layer, the first non-woven fabric layer and the second non-woven fabric layer, air circulation is improved, the number of the layered structures in the same column is not less than three, the layered structures are connected in a sewn mode through elastic sewing threads, the elasticity of the layered structures is good, certain mobility exists between the layered structures, and the elasticity of the layered structures is improved. The interlayers are formed on the inner sides of the first non-woven fabric layer and the second non-woven fabric layer, so that air circulation on the inner sides is guaranteed, and meanwhile, the elasticity of the whole fabric is improved to a certain extent.