40results about How to "Change quantity" patented technology

The invention discloses a multi-channel dividing and cutting machine capable of dividing and cutting paper of different specifications, and relates to the technical field of dividing and cutting machines. The multi-channel dividing and cutting machine specifically comprises a rack, a dividing and cutting structure is arranged in the middle of the rack, and conveying structures are arranged on the two sides of the dividing and cutting structure; the slitting structure comprises two fixing plates connected with the rack and an ion fan connected with the rack, the air outlet end of the ion fan is connected with an air blowing plate through an air outlet pipe, the air blowing plate is fixedly connected with the bottom of one fixing plate, the two fixing plates are connected through a supporting rod, and the outer ring of the supporting rod is movably sleeved with a supporting ring. According to the multi-channel dividing and cutting machine capable of dividing and cutting the paper with the different specifications, through the arrangement of the dividing and cutting structure, the multiple cutters can be driven to move at the same time through the movable plate, the cutter position adjusting efficiency is improved, the distance between every two adjacent cutters can be rapidly adjusted according to requirements, and the cutting efficiency is improved. And therefore, the splitting machine can be used for splitting the paper in different specifications, and the applicability of the splitting machine is improved.

The invention discloses a false data injection attack detection method, and belongs to the technical field of network security, and the method comprises the following steps: converting to-be-identified data into image data through a plurality of different modes, respectively converting the image data into different single-channel feature maps, and fusing the different single-channel feature maps to generate a multi-channel feature map; constructing a multi-scale fusion and convolution long short-term memory network model, and capturing multi-scale spatial features and time sequence information in the multi-channel feature map; and classifying the to-be-identified data in combination with the spatial features and the time sequence information. According to the method, multi-scale spatial feature and time sequence information capture is realized by adopting multi-scale fusion and a convolutional long-short-term memory network model, and the accuracy and generalization ability of image classification can be improved due to the combination of the spatial information and the time sequence information.

The invention discloses a clothing manufacturing workshop conveying system, and belongs to the field of conveying. The invention discloses a conveying system for a clothing manufacturing workshop. The conveying system comprises a runway-shaped conveying frame and feeding discs rotationally connected to the two sides of the conveying frame. A plurality of sliding bodies are installed on the conveying frame in the circumferential direction in a sliding mode. Every two adjacent sliding bodies are connected together through a tension spring. The conveying system further comprises two feeding motors. One feeding motor drives one feeding disc to rotate; containing grooves used for driving the sliding body to move are evenly formed in the periphery of the feeding disc. According to the scheme, the number of the sliding bodies below the conveying frame can be changed through rotation of the two feeding discs, the sliding bodies are evenly distributed below the conveying frame under the action of the tension springs, and then the distance between the sliding bodies is adjusted so as to adapt to clothes of different models.

The utility model relates to a color master batch pelletizing device, and aims to solve the technical problems that the existing color master batch pelletizing device is low in color master batch pelletizing efficiency and cannot adjust the color master batch pelletizing length under the condition that the rotating speed of a driving motor is not changed, so that the service life of the driving motor on the pelletizing device is short. Comprising a color master batch extrusion disc, a cutter mounting disc is rotationally connected to the middle of the color master batch extrusion disc, a plurality of extrusion holes are formed in the periphery of the cutter mounting disc, a supporting frame is mounted on the peripheries of the extrusion holes, the supporting frame is connected with a driving motor through a mounting sleeve, and a plurality of cutter mounting grooves are formed in one face of the cutter mounting disc. According to the color master batch pelletizing device, the length of color master batch pelletizing is adjusted under the condition that the rotating speed of the driving motor is not changed, the phenomenon that the driving motor is damaged due to the fact that the driving motor is at the high rotating speed for a long time is avoided, and the service life of the driving motor on the pelletizing device is prolonged.

The utility model discloses a multifunctional film-mulching seeding machine, belongs to the technical field of seeding machines, solves the problem that the existing seeding machine cannot complete all cultivation operations of seed seeding, and adopts the technical scheme that the multifunctional film-mulching seeding machine comprises a rack, the rack is provided with a pesticide spraying device, a rotary cultivator device, a ridging device, a seed rope seeding device, a fertilizing device, a drip irrigation tape laying device, a film laying device and an earthing device, the pesticide spraying device comprises a pesticide storage barrel and a pesticide spraying rod, the rotary cultivator device comprises a rotary tillage blade, and the seed rope seeding device comprises a seed rope disc, a seeding pipe and a seeding wheel. The fertilizing device comprises a fertilizer box, a fertilizer discharging box, a connecting pipe and a fertilizing shovel, the drip irrigation tape laying device comprises a storage disc and a laying wheel, the film laying device comprises a film erecting rod and a film spreading roller, the soil covering device comprises a soil covering roller and a soil covering disc, and a notch is formed in the surface of the soil covering roller. The seeder disclosed by the utility model can automatically finish all cultivation operations required by seed sowing.

The invention relates to the technical field of the large aviation equipment design precision manufacturing industry, in particular to a modular design structure of a large load-carrying airship. The engineering manufacturing problem that a single-hull load-carrying airship is too large in load (huge in geometric dimension) is solved. According to the invention, two or more buoyancy modules are integrated on one load-carrying airship; the structure of the load-carrying airship comprises an airship control module unit, a buoyancy module unit, a skeleton structure module unit, a load structure module unit, a power module unit, an unloading balance control module unit and an auxiliary function module unit which cooperate with one another to complete an airship flight task.

This disclosure provides a dust collection device and cleaning equipment, belonging to the field of cleaning equipment. The dust collection device includes a dust cup, a cyclone separator, a shielding member, and a drive motor. The cyclone separator is disposed within the dust cup and has a dust discharge side and a clean air discharge side arranged opposite each other along the axial direction of the cyclone separator. The cyclone separator includes multiple cyclone cones, each of which has an exhaust passage communicating with its interior and facing the clean air discharge side. The shielding member is rotatably disposed on the clean air discharge side of the cyclone separator and configured to selectively close at least a portion of the exhaust passage during rotation. The drive motor is disposed on the dust discharge side of the cyclone separator and is drively connected to the shielding member to drive the shielding member to rotate. The dust collection device and cleaning equipment provided by this disclosure can balance separation performance, flow capacity, structural compactness, and switching reliability.

The invention relates to a method for determining at least one free space in a vehicle environment of a vehicle, wherein the method has the following steps: (a) receiving at least two-dimensional contour points (11) of an object (5) in the vehicle environment; (b) assigning the received contour points (11) to a plurality of rows (8) which divide at least one field of view (4) located in the vehicle environment and considered in the scope of the method in rows; (c) for at least a portion of the plurality of rows (8), respectively within a row (8), determining as a minimum contour point (13) such a contour point (11) which has the smallest contour point distance (15) to a reference system (2, 3) of the vehicle (1) of all contour points (11) assigned to the respective row (8) within the row (8); and (d) connecting the previously determined minimum contour points (13) as one free space (6) or a plurality of free spaces (6) within the at least one field of view (4) considered.

The invention discloses a noiseless self-balancing pile head breaking tool and a using method thereof. The pile head breaking tool comprises a traction piece, a pile casing piece, a top plate piece and a power lifting piece. The traction piece is arranged on the outer side of the circumference of the pile casing piece, and the top end of the traction piece is connected with the top plate piece; the top plate piece is located above the pile casing piece, the power lifting piece is arranged between the top plate piece and the top end of the pile casing piece, and the power lifting piece stretches and pulls the traction piece and the solidified concrete above the traction piece through the top plate piece. The using method comprises the following steps that S1, the traction piece and the reserved steel bar are bound and connected; s2, a pile casing part is placed; s3, pouring operation is carried out; s4, girdling operation is conducted on the peripheral side wall of the primary pile body; s5, a top plate piece and a power lifting piece are installed; s6, the power lifting piece drives the pile head part and the pile body part to be separated from the girdling position; and S7, the pile casing part and the solidified concrete in the pile casing part are cut off, and a finished pile body is obtained. The problems that in existing pile foundation construction, in the pile head breaking process, consumed time is long, the labor cost is high, reinforcing steel bars are prone to being damaged, and the construction environment is severe are solved.

The application discloses a graphite / silicon carbide composite phase change energy storage unit and a preparation method thereof. The graphite / silicon carbide composite phase change energy storage unit is prepared by the following basic processes: (1) 3D printing of mixed powder; (2) selective laser sintering of a phase change energy storage unit blank; (3) multiple carbonization and vacuum pressure impregnation densification pretreatment; (4) molten silicon infiltration sealing strengthening treatment; (5) loading of high-temperature molten salt; and (6) packaging. The graphite / silicon carbide composite phase change energy storage unit provided by the application has the advantages of simple preparation process, low cost, easy industrial production, high-temperature resistance, corrosion resistance, good mechanical properties, good packaging performance, high loading rate and the like. The existence of the three-dimensional porous graphite skeleton improves the energy conversion efficiency and heat transfer uniformity, and multiple phase change energy storage units are assembled together to form an energy storage device, which is expected to be applied to peak load shifting, waste heat recycling and reuse and periodic new energy rapid storage and release.

The utility model discloses a multistage impurity filtering device for mixture purification, which comprises a cylinder body, a cover plate, a pressing plate, an adjusting screw and a plurality of filtering components, the filtering components are arranged in the cylinder body in an up-and-down overlapping manner, the pressing plate is arranged in the cylinder body in a floating manner and is positioned above the filtering components, and the adjusting screw is positioned above the pressing plate. Pressing rods pointing to the filtering assembly below are arranged at the bottom of the pressing plate at intervals, the adjusting screws are arranged on the cover plate and extend downwards to the top of the pressing plate, each filtering assembly comprises a positioning ring, a cylindrical filtering net and a supporting body, and the cylindrical filtering nets are arranged in the positioning rings and extend downwards; and the support body is arranged at the bottom of the positioning ring and extends downwards to the lower part of the outer side of the cylindrical filter screen. According to the multi-stage impurity filtering device for purifying the mixture, disclosed by the utility model, the filtering assemblies with different heights can be selected to be superposed for use, so that the number of the filtering assemblies is changed, a multi-stage impurity filtering structure meeting actual requirements is formed, and the maintenance is convenient.

The utility model provides a lithium battery thermal runaway detector based on an infrared optical principle, comprising a detection mechanism, two ends of the detection mechanism are respectively provided with a mounting rack, the mounting rack comprises a rack body, one end of the rack body is provided with a mounting assembly 1 connected with a lithium battery, and the other end of the rack body is provided with a mounting assembly 2 connected with the lithium battery; a mounting groove is formed in the side, facing the detection mechanism, of the mounting frame, the detection mechanism and the mounting groove are clamped and slide, a dismounting opening is formed in one end of the mounting groove, the detection mechanism comprises an adjusting column, a first mounting arm, a second mounting arm, a fixing disc and a mounting disc, and the first mounting arm is arranged at one end of the adjusting column. According to the utility model, the positions and the number of the detection mechanisms can be changed according to the temperature measurement requirement of the lithium battery through the plurality of detection mechanisms which are slidably assembled and disassembled at the inner side of the mounting frame, so that the detection mechanisms can conveniently and comprehensively detect the lithium battery by using an infrared thermometer, and the thermal runaway detection of the lithium battery by the detector is more comprehensive and accurate.

The invention relates to a carbon fiber reinforced resin-based composite corrugated sandwich pipe structure and a forming process, and relates to the field of composites.The carbon fiber reinforced resin-based composite corrugated sandwich pipe structure comprises an inner pipe, a corrugated pipe, a filling layer, an outer pipe and reinforcing rings, the corrugated pipe with the corrugated cross section is bonded outside the inner pipe, the outer pipe is bonded outside the corrugated pipe, the filling layer is injected into the space between the corrugated pipe and the outer pipe, and the reinforcing rings are arranged on the outer pipe. The corrugated pipe is divided into multiple sections in the length direction of the pipeline, and the reinforcing rings are bonded between every two adjacent corrugated pipe sections and fixedly connected with the inner pipe and the outer pipe. The high-rigidity corrugated sandwich pipe has the advantage that the high-rigidity corrugated sandwich pipe is low in forming difficulty.

The utility model discloses an inverted push rod mechanism of a packaging machine supply line, which comprises a conveying rack, a bearing track mounted on the conveying rack and used for bearing and guiding products, a transmission chain belt mounted inside the conveying rack, and a first push rod and a second push rod alternately rotating on one side of the transmission chain belt at intervals. And open grooves matched with the first push rod and the second push rod are formed in the top of the bearing rail, and the guide assembly is installed on the conveying rack, used for guiding and limiting the first push rod and the second push rod and further used for changing the working state of the second push rod. The transmission chain belt, the first push rod, the second push rod and the guide assembly are used in a matched mode, the length of the first guide rod on the first push rod is different from that of the second guide rod on the second push rod, when the switch unit is opened or closed, the working state of the second push rod can be adjusted through the second guide rod, and the number of conveyed products can be changed.

The application discloses a low-rigidity thin-wall gear ring end face grinding tool, which comprises an electric permanent magnetic chuck, three fine-tuning precision lifting platforms, three arc-shaped clamping blocks and a flatness measuring device, the three fine-tuning precision lifting platforms and the three arc-shaped clamping blocks are alternately arranged on the surface of the electric permanent magnetic chuck with equal intervals. The application changes the traditional end face adsorption clamping into gear ring cylindrical surface clamping, changes the clamping force from axial to radial, and transfers the error to the non-sensitive direction of machining, so that the gear ring positioning can be rapidly realized, and the machining efficiency of the gear ring is improved; the end face will not be deformed and the error reflection problem will not occur under the large magnetic force, and the clamping force will not affect the precision of the end face grinding process. The electric permanent magnetic chuck is adopted for clamping, so that the deformation problem of the clamping position in the traditional clamping mode is avoided, and the end face grinding production efficiency is improved.

The utility model provides a grab bucket device and engineering equipment. A grab bucket device comprises a connecting pipe, a plurality of oil cylinder lug plate assemblies, a claw arm mounting seat and a plurality of claw arm lug plate assemblies, the first end of the connecting pipe is used for being connected with a mechanical arm of engineering equipment, the oil cylinder lug plate assemblies are detachably mounted on the connecting pipe, the claw arm mounting seat is mounted at the second end of the connecting pipe, and the claw arm lug plate assemblies are detachably mounted on the claw arm mounting seat. The multiple claw arm lug plate assemblies are detachably installed on the claw arm installation base, and the multiple oil cylinder lug plate assemblies and the multiple claw arm lug plate assemblies are arranged in a one-to-one correspondence mode in the axial direction of the connecting pipe.

The utility model relates to the field of rehabilitation training equipment, in particular to a knee joint nursing seat for rehabilitation training. Comprising a seat plate and a back plate which are fixedly connected together, the seat plate and the back plate are fixedly connected through two inverted-L-shaped connecting rods, leg pressing assemblies are slidably arranged on the vertical parts of the connecting rods, a support is fixed to the lower end of the seat plate, shank driving assemblies are rotationally connected to the left end and the right end of the front side of the support, a supporting plate is fixed in the support, and a double-shaft motor is fixed to the supporting plate; turntables are concentrically fixed to output shafts of the double-shaft motors, sleeves are eccentrically and rotationally connected to the turntables, telescopic rods are slidably connected into the sleeves, the telescopic rods are rotationally connected with shank driving assemblies on one sides of the telescopic rods, and gravity driving assemblies are arranged on the support and connected with the shank driving assemblies. After the double-shaft motor is started, shanks of a patient can move in the moving process of the carrier rollers, and knee joints of the two legs of the patient can be assisted to bend.

The application discloses a kind of intelligent injection devices for microbial oil displacement injection agent, including operation platform, operation platform includes storage area, output area and support area, storage area includes microorganism monitoring unit and sampling tube;Nutrient additive unit;Microbial injection unit;Control area;Control area further includes: adjustment assembly, set in control area, according to the detection result of microorganism monitoring unit to control microbial injection amount;Injection assembly for intelligently injecting nutrient agent into oil reservoir formation is provided in the inside of output area;And central control panel is set on support area, this microbial oil displacement injection agent intelligent injection device, using adjustment assembly can effectively inject the right amount of oil displacement and plug removal type microorganism, change the number of microorganisms under oil reservoir formation, avoid the condition of plugging, so that the subsequent injection of nutrient agent can be fully absorbed by microorganism, to improve the purpose of oil displacement efficiency.

The utility model discloses a nutrient solution circulating device for soilless culture of strawberries, which belongs to the technical field of strawberry cultivation and comprises a bottom plate and supporting legs mounted on the bottom plate, an incubator is mounted at the tops of the supporting legs, a nutrient solution tank is arranged on the bottom plate, and a delivery pump is arranged on one side of the nutrient solution tank. The input end of the conveying pump is connected with the nutrient solution box through a liquid inlet pipe, the output end of the conveying pump is connected with the culture box through a conveying pipe, the culture box is connected with the nutrient solution box through a backflow pipe, an installation block is slidably installed on the culture box, a culture groove is installed on the installation block, a plurality of through holes are formed in the culture groove, and a second sliding block is installed on the culture groove. According to the plant cultivation device, the second sliding blocks are arranged to be in sliding connection with the second sliding grooves, the cultivation grooves can be conveniently detached or installed according to the planting number, and the number of the cultivation grooves can be changed.

The invention relates to the technical field of lamp boxes, in particular to a welding-free randomly-combined cutting type lamp box which comprises a picture soft film, a backlight lamp film and a frame mechanism, the frame mechanism comprises four sets of profile corners, four sets of first profiles and even multiple sets of second profiles, and the frame mechanism is used for clamping installation of the picture soft film and the backlight lamp film; the insertion self-locking assemblies are connected to the moving end of the second sectional material and the two ends of the sectional material corner correspondingly, and the insertion self-locking assemblies are used for insertion assembling of the frame mechanism; and the LED lamp strip is mounted in the frame mechanism. Through the arrangement of the combined frame structure, the size of the frame structure can be flexibly adjusted, the size of the profile frame does not need to be adaptively cut off according to the size of the picture soft film, and therefore the adaptability and flexibility of use of the profile frame are improved.

The invention discloses a thermoelectric conversion and flow heat exchange coupling calculation method, which comprises the following steps of: 1, establishing a geometric model of a single thermoelectric power generation sheet, dividing grids, and carrying out thermoelectric conversion steady-state numerical simulation on the basis of COMSOL software; 2, changing the temperatures of the two side surfaces of the thermoelectric power generation sheet and carrying out multi-working-condition calculation to obtain the corresponding relation between the output power and the temperature difference; 3, simplifying a complex thermoelectric power generation sheet into a thin sheet, calculating to obtain the relationship between the equivalent thermal conductivity and the output electric power of the thin sheet and the change of the surface temperature of the two sides, and implanting the thin sheet into FLUENT software through UDF; 4, establishing a geometric model of thermoelectric conversion and flow heat exchange coupling calculation, dividing grids, and completing definition of materials and source items and setting of boundary conditions; 5, coupling calculation of thermoelectric conversion and flow heat exchange is carried out based on FLUENT software; and 6, changing flow parameters and carrying out multi-working-condition calculation to obtain fluid parameters and thermoelectric conversion output power under different working conditions.

The utility model relates to the technical field of aeration pipelines, in particular to an aeration device used in solid waste fermentation equipment. The air supply equipment is connected and communicated with an air inlet of the air inlet pipe, the branch pipes are communicated with an air outlet of the air inlet pipe and are connected in parallel, one end, far away from the air inlet pipe, of each branch pipe is closed, and a plurality of aeration components are arranged on each branch pipe at intervals; the aeration assembly comprises an aeration pipe connected and communicated with the branch pipe, a pipe cover movably arranged on the outer wall of the aeration pipe in a sleeving manner, and an elastic piece arranged in the aeration pipe; a plurality of aeration holes are formed in the outer wall of the aeration pipe in a matrix mode, and the elastic piece elastically supports the pipe cover. According to the aeration device, the pipe cover and the elastic piece are arranged, so that the number of exposed aeration holes of the aeration pipe close to an air source is relatively small, the number of exposed aeration holes of the aeration pipe far away from the air source is relatively large, the aeration rate is automatically adjusted, and the aeration rates of the aeration pipes at different positions are uniform.

The utility model discloses a high-temperature powder heat exchanger. The high-temperature powder heat exchanger comprises a shell, wherein the shell comprises a cavity extending in the first direction; a feed port is formed in the top of the shell edge, and a discharge port is formed in the bottom of the shell edge. The heat exchange device is arranged in the shell and comprises a plate bundle assembly. The plate bundle assembly comprises a medium runner and a powder runner. The plate bundle assembly comprises a plurality of heat exchange plates arranged at intervals in the second direction. A powder runner is defined by every two adjacent heat exchange plates. Each heat exchange plate extends in the first direction and is provided with a medium flow channel. A small water inlet pipe and a small water outlet pipe are arranged on one side, in the second direction, of each heat exchange plate. In the first direction, the small water inlet pipe and the small water outlet pipe are arranged close to the discharging port, and the small water outlet pipe is arranged above the small water inlet pipe. And the cooling water inlet and outlet small pipes are close as much as possible to reduce the swell difference between the two small pipes, thereby ensuring the safe use of the high-temperature powder heat exchanger.

The invention relates to the technical field of deformation battery energy storage devices, in particular to a preparation method of an anti-impact compression battery electrode with a negative Poisson's ratio structure, which comprises the following steps: mixing a lithium ion battery electrode active material with a conductive agent, a binder and a solvent according to a certain mass ratio to prepare electrode ink; ink is injected into a mold which is manufactured by a 3D printer and has a negative Poisson's ratio structure, and directional freezing is carried out on a copper plate soaked in liquid nitrogen. And finally obtaining the multi-scale electrode with a directional hole structure and a macroscopic negative Poisson's ratio structure on a micro scale through post-treatment such as freeze drying. The electrode with the multi-scale bionic structure has excellent compressibility and can be compressed by 50%. The electrode also has high specific capacity, good cycling stability and rate capability. The method for preparing the deformed electrode through the directional freezing auxiliary mold is low in cost, easy and convenient to operate and wide in application range and has great application potential.

The utility model provides a photovoltaic support packaging device, and belongs to the technical field of machinery. The problems that in the prior art, a non-blocking column cannot be adjusted, and the two ends of a photovoltaic support are not aligned are solved. The photovoltaic support packaging device comprises a rack and is characterized by further comprising two flush assemblies, two bases and two clamping assemblies, the two flush assemblies are symmetrically arranged on the upper portions of the two ends of the rack, the two bases are symmetrically arranged on the upper portion, between the two flush assemblies, of the rack, and the two clamping assemblies are arranged on the two bases respectively. A cavity is formed in the base, a sliding groove is formed in the upper portion of the base, and the clamping assembly comprises a motor, a two-way screw and two clamping plates. The packing machine has the advantages of being high in flexibility, convenient to adjust, suitable for packing requirements of different numbers and different specifications, high in uniformity and convenient to bundle, store and transport.

The utility model relates to the technical field of dry ice slow-release devices, in particular to a greenhouse dry ice slow-release device which comprises a slow-release box set, the slow-release box set comprises a dry ice box, the bottom end of the inner wall of the dry ice box is connected with a frame plate, the bottom end of the back face of the dry ice box is connected with a water outlet pipe, and the top end of the inner wall of the dry ice box is connected with a supporting plate. And a plate set is installed on the surface of the supporting plate and comprises a box cover, vent holes are formed in the surface of the box cover, and a shielding plate is slidably installed on the surface of the box cover through a sliding groove. Dry ice is cut into small blocks and then laid in the dry ice box, the dry ice can be partitioned through the partition plate, the shielding plate moves in the guide groove in the surface of the box cover, the number of the vent holes in the box cover can be changed, then the free evaporation rate of the dry ice is controlled, and water flows through the spraying pipe and then is sprayed out of the nozzle end. The dry ice in the dry ice box can be quickly evaporated and atomized, and the controllability of the dry ice is further improved.

This utility model discloses a modular stator structure, characterized by comprising several stator core blocks arranged in an I-shape, each composed of a yoke and stator teeth, forming an integral stator core. Stator slots are formed between adjacent stator core blocks, and the stator teeth are T-shaped, with slot openings communicating with the slots between adjacent teeth. The structure also includes a filler for changing the number of stator slots without altering the stator core diameter. This utility model utilizes several stator core blocks assembled into an integral stator core, with each block composed of a yoke and stator teeth. The entire stator core is modularly assembled, which effectively improves utilization, saves silicon steel material, and reduces costs when pressing silicon steel sheets using a press.

The utility model provides a fruit and vegetable transfer fresh-keeping box, relates to the technical field of transfer boxes, and solves the problems that the specification of an existing common transfer fresh-keeping box is generally of a fixed connection design, so that the transfer fresh-keeping box cannot be changed according to needs, and the transfer fresh-keeping box is inconvenient to use. The problem that the use convenience of the transfer fresh-keeping box is affected due to the fact that the transfer fresh-keeping box is small and cannot store more fruits and vegetables or the transfer fresh-keeping box is large and has an overlarge space is solved. According to the fruit and vegetable transferring and fresh-keeping box, by arranging storage boxes, the storage boxes can conduct transferring and fresh-keeping on different numbers of fruits and vegetables, when the different numbers of fruits and vegetables are transferred, the storage boxes are placed on the top of the other set of storage boxes, then fixing side frames are placed in fixing grooves, and the storage boxes are placed on the top of the other set of storage boxes; the fixing heads and the fixing side seats are fixed, so that the number of the storage boxes is changed, and the fresh-keeping number of the storage boxes is changed and can be adjusted according to needs.

The utility model relates to material turning baffle technical field discloses a kind of coarse mill baffle material turning device, including first baffle, second baffle and third baffle, second baffle and third baffle are sequentially spliced in the front end of first baffle, and form ladder shape, still be provided with the long screw rod that is through the first baffle, second baffle and third baffle are penetrated, the end of long screw rod is fixed with the abutment plate that is attached to the surface of third baffle, and the outer ring of other end of long screw rod is connected with the nut that is abutted on the surface of first baffle by screwing, the bottom both sides of first baffle, second baffle and third baffle are provided with arc edge.The utility model technical scheme is changed into three-stage ladder baffle by the original baffle, utilizes roller rotation power and baffle left and right propulsion power, so that ceramic raw materials are automatically turned when being pushed by reaction force through ladder position, realize automatic material turning action, reduce worker's labor intensity, effectively avoid the phenomenon that material turning times are not enough, and improve material turning efficiency.