63results about How to "Avoid physical damage" patented technology

The invention relates to the technical field of clinical detection of cerebrospinal fluid, and particularly discloses a smear device for detecting cerebrospinal fluid, which mainly comprises a sample tube and a piston assembly, the sample tube comprises a first tube body, a second tube body and a third tube body; the second pipe body is located above the first pipe body, a liquid outlet hole is formed in the bottom, and a liquid inlet hole is formed in the side wall; the bottom of the third pipe body is communicated with the liquid inlet hole through a flow channel; the piston assembly comprises a piston, a handle part and a center rod; the piston is fixedly connected with a tongue part, the center rod can be inserted into the liquid outlet hole, and the piston assembly is provided with an initial station and a flaking station. According to the smear device for detecting the cerebrospinal fluid, the manufacturing process of a cell smear is simplified, operation is convenient and fast, the smear manufacturing efficiency is remarkably improved, the smear manufacturing time is shortened, unnecessary physical damage to cells in the smear manufacturing process is avoided, then cell rupture and dissolution can be effectively reduced, and the smear quality is remarkably improved; meanwhile, the comprehensive cost of manufacturing the cell smear is obviously reduced.

The application discloses a disinfection seed soaking treatment device for rape breeding, and relates to the technical field of rape breeding, which comprises a tank body, a vertical pipe, a connecting pipe and a pump body, a feeding port is arranged at the top of the tank body, and a discharging port is arranged at the bottom of the tank body; the lower end of the vertical pipe is arranged through the inner bottom of the tank body, the upper end of the vertical pipe is provided with a water outlet, and the water outlet is higher than the maximum liquid level in the seed soaking operation of the tank body; one end of the connecting pipe is communicated with the vertical pipe, and the other end of the connecting pipe is communicated with the side wall of the tank body and is located at a position lower than the maximum liquid level; the pump body is arranged in the connecting pipe and is used for re-discharging the water in the tank body into the tank body through the water outlet, so that the seeds accumulated at the maximum liquid level are pressed into the water. The application relies on the water flow to press the seeds downward, there is no direct collision between the stirring blades and the seeds, physical damage of the seeds can be effectively avoided, and the germination rate of the seeds is ensured.

This invention relates to the field of vapor phase etching (VPE) apparatus technology, specifically a double-sided VPE apparatus for semiconductor silicon wafers. The apparatus includes a VPE apparatus body, a silicon wafer transfer mechanism at the upper end of the apparatus body, an etching chamber fixedly mounted on the outer side of the apparatus body, and a mounting base fixedly mounted on the upper end of the etching chamber. By combining the VPE mechanism with a central air-guiding mechanism, stable adsorption of the semiconductor silicon wafer is ensured during the etching process, avoiding vibration and improving etching efficiency and precision. A Bernoulli-style chuck structure is formed by the cooperation of the air-guiding support stage and the central stage, stably "fixing" the silicon wafer above the air-guiding support stage, minimizing contact with the semiconductor silicon wafer, avoiding physical damage and contamination, and simultaneously enabling multi-directional airflow distribution to meet auxiliary heat dissipation needs for the semiconductor silicon wafer, further improving the accuracy and etching efficiency of the VPE process.

This invention discloses a portable low-temperature plasma device based on a Laval nozzle structure and its application, belonging to the field of plasma technology application technology. Specifically, it includes (1) the construction of the device; and (2) the use of the device for fungal eradication treatment and transdermal drug delivery enhancement treatment. The beneficial effects achieved by this invention are as follows: This invention is the first to apply the Laval nozzle structure to a portable low-temperature plasma device. The results show that the device can effectively improve the plasma jet performance and active particle content, significantly improve the treatment effect of fungal infections of the skin and nails and the transdermal drug penetration efficiency, while solving the problems of large size, reliance on external power supply, and complex operation of traditional plasma devices. Therefore, using this invention for the treatment of fungal infections of the skin and nails and for enhanced transdermal drug delivery has advantages such as ease of operation, high safety, non-invasiveness, and high efficiency, and thus has potential application prospects in the field of skin disease treatment and transdermal drug delivery.

This utility model relates to the field of chemical electrical technology and discloses a quick-connect and protection component for chemical electrical circuits, including a sealing component. The sealing component comprises a retaining plate, a first insert rod, a limiting frame, a fixing spring, a limiting rod, and a sealing cover. The retaining plate is movably connected to the inner wall of the upper end of the mounting box. The first insert rod is fixedly installed at the upper end of the retaining plate, and the limiting frame is fixedly installed in the middle of the surface of the first insert rod. This quick-connect and protection component for chemical electrical circuits, through the sealing component, allows for the following functionality: during use, pressing down on the first insert rod sequentially moves the limiting frame, thereby stretching the fixing spring and simultaneously sliding the retaining rod out of the retaining groove. Then, rotating the first insert rod and controlling the rotation angle via the limiting rod, and finally releasing the first insert rod, the fixing spring moves the retaining plate out of the insertion hole, allowing the sealing cover to be removed for maintenance. The disassembly process is simpler and more convenient than using bolts.

The utility model relates to the field of photovoltaic power station collection box, especially to a self-cleaning photovoltaic power station collection box, a self-cleaning photovoltaic power station collection box, including box, door, abutment frame, cover, screw rod, motor, guide rod, sliding block and U type pole, the both sides of box front part are symmetrically connected with door, two doors are left and right symmetrical, the abutment frame of box top, the top fixed connection of abut part has cover, the middle part rotation is connected with screw rod in the front side of box, the fixed connection of motor is connected with screw rod bottom in the lower part of box front side, the middle part fixed connection of guide rod has in the rear side of box, the sliding block of screw rod upper portion is connected with, the sliding block of guide rod upper portion is also connected with, the both sides between left side and right side of two sliding blocks are fixedly connected with U type pole. The utility model discloses through the cooperation of screw rod, motor, water storage cylinder and sponge strip, the wiping of box and door is carried out, reaches the cleaning effect.

The utility model belongs to building construction technical field, concretely provides a kind of building exterior wall waterproof testing device for supervision, for the wall body with windowsill, it include: fixed subassembly, fixed subassembly includes water tank, water tank is used to water supply to spray subassembly;The bottom of water tank is fixedly installed on the top plate of fixed subassembly;Telescopic subassembly, including outer sleeve rod, outer sleeve rod is hollow structure, telescopic subassembly further include inner support rod, outer sleeve rod is coaxially covered on inner support rod, and the overall length between outer sleeve rod and inner support rod is telescopic adjustment;The bottom end of inner support rod is fixedly connected with installation pipe sleeve;Spray subassembly, spray subassembly includes spray pipe, and spray pipe is fixedly installed on installation pipe sleeve, and multiple nozzles are provided on spray pipe, and the water jet direction of nozzle is towards the wall body.The testing device provided in the embodiment is fixed on the windowsill of wall body, need not be grooved on the outer wall wall surface, avoid the physical damage to outer wall.

This utility model discloses a continuous low-temperature drying device suitable for rice processing, including a box body. A temperature sensor is installed on the inner wall of one side of the box body. A guide assembly is installed inside the box body, and a box body is installed inside the box body through the guide assembly. The box body is through-shaped, and a connecting seat is fixedly installed on one side of the box body. A linkage rod is movably sleeved in the connecting seat. A disc is installed on one side of the box body. The disc is driven to rotate by a motor. The fixed column on the disc cooperates with the linkage rod to make the box body reciprocate within the box body. This allows the rice piled at the bottom of the box body to move fully, and the hot air can penetrate better, ensuring that the rice in the upper and lower layers is dried evenly. At the same time, the guide rod and slider in the guide assembly ensure the stability of the box body movement, further improving the drying effect. In addition, the temperature sensor monitors the temperature in real time to ensure that the rice is always in a low-temperature drying state, avoiding the impact of high temperature on the quality of the rice.

The utility model belongs to air filter element technical field discloses integrated injection molding air filter element seamless outer frame, including main frame, vice frame body, a plurality of installation slot that set up on main frame, two first sliding slot that set up on main frame and a plurality of rear limit board that are located main frame rear side, main frame, a plurality of installation slots, two first sliding slots and a plurality of rear limit board are integrally formed by polyurethane foaming material through the mode of pouring into forming mould, vice frame body is detachably connected with main frame through mounting assembly, the utility model discloses the design of adjustable height of movable plate, cooperation vice frame body on a plurality of plug-in slots and elastic plug-in rod locking structure, can freely adjust the filter material containing cavity height that constitutes by lower limit board and upper limit board, makes user not need to replace outer frame main body, through simple operation can adapt to different height filter material, has promoted the scope of application, effectively reduced the replacement cost when using different filter material.

The utility model discloses junction box aerosol fire extinguishing equipment, and particularly relates to the technical field of fire extinguishing equipment, the junction box aerosol fire extinguishing equipment comprises a junction box body, the rear wall of the inner cavity of the junction box body is fixedly connected with a controller, the front side of the middle part of the right wall of the inner cavity of the junction box body is provided with a fixing mechanism, and the left end of the fixing mechanism is fixedly connected with an aerosol device; the left side of the outer surface of the aerosol device is fixedly connected with a rotating mechanism. According to the aerosol fire extinguishing equipment for the junction box disclosed by the utility model, a plurality of steps of punching, positioning, tightening and the like are not needed when an aerosol device is mounted through the arranged fixing mechanism, and the equipment can be quickly fixed only by aligning an internal structure of the aerosol fire extinguishing equipment to a proper position of the junction box body; physical damage to the junction box body is fundamentally avoided, the service life of the junction box is prolonged, the rotating mechanism can continuously rotate by 360 degrees, and aerosol body fire extinguishing agents are evenly distributed to all spaces of the junction box in an omnibearing mode.

The utility model relates to the technical field of intelligent transportation, concretely relates to high -speed toll station vice node railing machine, including railing machine body, set up on railing machine body and show module of fee of snapshot module and, snapshot module and show module of fee set up in the one side of railing machine body front end facing the lane transaction area, be provided with communication module in the railing machine body, this communication module is used for with ETC lane antenna carries out data interaction, and the transaction data of lane antenna is received through communication module and is shown through show module of fee of railing machine body, the lower extreme of pole machine body is provided with base, and the fixed part of base and setting in the bottom of railing machine body is connected in sliding fit, and the bottom of base is the sliding fit connection of sliding slot and sliding rail, the utility model relates to a kind of high -speed toll station vice node railing machine, solve the problem that multiple stand, construction complex caused by traditional ETC lane snapshot and fee show device independent setting, railing machine is simultaneously realized convenient installation and position adjustment by sliding base.

This invention relates to a construction positioning device and method for a roller-compacted concrete dam transverse joint water-stopping system. The device includes a main frame, a positioning mechanism, and a roll-up mechanism. The main frame has panels on both its top and bottom surfaces. The positioning mechanism includes a guide sleeve, a positioning element, and fasteners. The fasteners are located on the outer wall of the guide sleeve and are used to clamp the positioning element. The roll-up mechanism includes a drum body, a rotating shaft, and a water-stopping element. The water-stopping element is located on the surface of the drum body to allow it to be embedded into a preset position as construction progresses. This device solves the problems of interference and material waste during the construction of multiple dam sections, enabling collaborative operation and green construction of the water-stopping system; it overcomes the drawbacks of traditional drainage hole construction techniques, achieving precise molding without pre-embedded pipes; and it solves the problems of chaotic on-site stacking of water-stopping materials and welding damage, ensuring the construction quality of the water-stopping system.

The utility model relates to the technical field of sounding books, in particular to a portable sounding book capable of being folded and stored, which comprises a casing, a top cover, a side cover and a folding component, the top cover is hinged on the upper surface of the casing, the side cover is connected with the casing through the folding component, the folding component comprises a folding arm a, a folding arm b and a locking shaft, the folding arm a is hinged with the inner wall of the casing, and the locking shaft is connected with the folding arm b. A flexible printing roll film is adopted to replace traditional paper, high-precision children's reading contents are printed on the surface of the roll film, the roll film can be completely rolled in an inner cavity of the light-weight shell during storage, closed packaging is achieved through the side cover and the top cover, the overall structure is compact, the excellent sealing performance is achieved, external pollution or physical damage is effectively avoided, and the children's reading device is convenient to use. And in the using stage, the flexible roll film is unfolded through the side cover linkage folding mechanism, a large-size plane reading interface can be rapidly converted, the visual comfort of the paper book is maintained, and the content display integrity is guaranteed.

The invention relates to a vortex ring pollination device for blueberries. A pollen supply system; the cylindrical pollination cavity is arranged on the lower side of the pollen supply system and is communicated with the pollen supply system; the pollination cavity is sleeved with the outer-layer cavity, the top of the outer-layer cavity is connected with the pollination cavity in a sealed mode, and the bottom of the outer-layer cavity is located on the lower side of the pollination cavity and provided with a flexible sealed opening; the vortex ring generation system is mounted on the outer-layer cavity and is communicated with the inner cavity of the pollination cavity; the pollination shell is arranged outside the pollen supply system, the pollination cavity, the outer layer cavity and the vortex ring generation system in a crossing and sleeving manner, an opening is formed in the bottom of the pollination shell and is used for mounting the flexible sealing opening, and a side wall opening for the vortex ring generation system to work is formed in the side edge of the pollination shell. By means of the airflow-driven fan-screw rod linkage design, integration of three functions of pollen blockage prevention, pneumatic stirring and mixing and downward pushing is creatively achieved, the structure is compact, additional motor driving is not needed, and reliability is high.

The utility model relates to the technical field of high-voltage wire harness detection equipment, in particular to a high-voltage wire harness performance detection device which comprises a main body, and a movable detection assembly and a wire harness damage detection assembly are fixedly connected in the main body. According to the utility model, the connection block can drive the detection slot seat to automatically slide in the chute through the telescoping of the telescoping cylinder, so that the detection slot seat can be flexibly adjusted according to the length, specification and detection position of a wire harness, the wire harness or detection equipment does not need to be frequently moved, the preparation work and adjustment time before detection are greatly reduced, and the detection efficiency is improved. The whole detection efficiency is improved, the laser emitter is used for irradiating the wire harness, the thermal infrared imager is used for capturing infrared radiation on the surface of the wire harness, the detection mode does not need to make contact with the detected wire harness, physical damage to the wire harness is avoided, large-area or long-distance detection is completed in a short time, the detection efficiency is improved, and the detection accuracy is improved. Meanwhile, tiny defects can be detected, and high sensitivity and resolution are achieved.

The utility model discloses a kind of anti-deformation supporting devices of wheel hub mould, belong to the technical field of wheel hub mould supporting structure, including shade cover, upper pressure rod, lower bearing rod, lower cross pipe, end connecting plate and locking bolt.Shade cover top is equipped with dehumidification structure, both sides are equipped with upper pressure rod and form top shade structure, upper pressure rod is pressed on the casting surface side slope of wheel hub side module, lower bearing rod is equipped below, lower cross pipe is equipped between two lower bearing rods and forms bottom supporting frame, top shade structure and bottom supporting frame two ends are equipped with end connecting plate.The utility model is convenient to install and can be reused, can provide effective support and protection to these key parts such as wheel hub side module's casting surface and casting surface joint line after wheel hub side module production is completed, to effectively reduce the risk of physical deformation or corrosion in transportation and storage process.

The utility model discloses a portable gas monitoring alarm device, including the upper cover, the bottom screw thread seal fixed of upper cover has the intermediate casing, the bottom screw thread seal fixed of intermediate casing has the detection filter cup, the top of upper cover is installed with display component, the inside of upper cover is installed with communication component, the inside top fixed mounting of intermediate casing has the alarm board, the inside intermediate fixed connection of intermediate casing has the battery compartment, the inside assembly of battery compartment has the battery, the outside surface of intermediate casing correspond battery compartment department detachable seal fixed has the storehouse lid, in the utility model, through the screw thread seal connection structure of upper cover, intermediate casing and detection filter cup, realize three -level modularization sealed protection, effectively insulate moisture, dust and corrosive gas invasion, and each functional component is installed in the regional isolation, avoids electromagnetic interference and physical damage, ensures the device in the stable operation in the high -risk environment such as petroleum chemical industry, mine etc.

The utility model discloses a photovoltaic sunshade energy -saving roof structure, including, supporting mechanism, it includes roof, and the both ends of roof top are provided with photovoltaic board respectively, wherein, the transmission groove is seted up to the left and right sides of roof, and the transmission assembly of setting up in the front side of roof is included to the surface of transmission assembly and is provided with two groups of cleaning assembly, and cleaning assembly utilizes passive drive rotary brush of friction wheel, and can high -efficiently clean photovoltaic board surface dust without additional power, and cooperate the airflow auxiliary design of hollow dust guide pole and wind -guide ring, realize the directional collection and discharge of dust, this design has changed the inefficient mode of traditional photovoltaic roof to rely on manual cleaning, and the degree of automation is high and the cleaning efficiency is promoted, avoids the risk of high altitude operation simultaneously, and the maintenance replacement of friction band is convenient in the design of friction band and mounting groove, and the system compatibility is enhanced, and the wind -guide ring utilizes the principle of fluid mechanics to strengthen dust removal effect, and can cope with different pollution scenes without additional energy consumption.

The utility model provides a box type logistics transportation pass box which comprises a pass box body, a partition plate is arranged in the pass box body in a sliding mode, fixing plates are vertically installed at the two ends of the top of the partition plate, fixing holes are formed in the surfaces of the fixing plates, and adjusting holes are formed in the outer side surface of the pass box body in a penetrating mode. According to the turnover box, the slidable partition plates are arranged in the turnover box body, the internal space can be flexibly divided according to the size, the shape and the number of goods, and the limitation that a traditional turnover box is single, open and large in capacity is changed. The fixing plates and the fixing holes at the tops of the partition plates and the adjusting holes of the turnover box body are used in cooperation with fasteners, the partition plates can be firmly fixed after the positions of the partition plates are adjusted, partition flexibility is guaranteed, it is guaranteed that the partition plates cannot move at will in the transportation process, mutual collision and extrusion between goods are effectively avoided, and the safety of goods transportation is improved; and meanwhile, reasonable partition is also beneficial to improving the space utilization rate, and the waste phenomenon that small objects are contained in a large box is avoided.

This utility model discloses a low-temperature condensation device for VOCs waste gas treatment, belonging to the field of waste gas treatment technology. The device includes a main body, with a heating mechanism connected to the bottom of a bypass valve. The heating mechanism heats a conical hopper, and an adjustment mechanism is connected inside the hopper to sense the temperature within it. This utility model achieves zero-energy dynamic antifreeze by utilizing the waste heat from the bypass valve and heating pipe. It utilizes the waste heat from high-temperature waste gas to construct a uniform heat compensation layer on the outer wall of the conical hopper, effectively inhibiting ice crystal adhesion and maintaining a pipe flow cross-sectional area of ​​over 95%, completely solving the problem of condensate crystallization and blockage under low-temperature conditions. A dual closed-loop control system is established through the adjustment mechanism to match the heat compensation requirements and waste gas flow rate in real time, preventing secondary vaporization of the condensate and ensuring stable operation under extreme conditions of -20℃. This allows the device's MTBF to exceed 1200 hours and reduces the frequency of manual intervention by 85%.

The utility model discloses a kind of three-stage tool for vehicle-mounted radar controller assembly, applied in vehicle-mounted radar controller assembly tool technical field, and its technical solution main point is: including the first carrier for positioning circuit board, the first carrier is sequentially detachably equipped with the second carrier for positioning fiber connector and the third carrier for positioning controller shell from bottom to top based on positioning fixed assembly, the second carrier and the third carrier are equipped with carrier identification code for identifying carrier model;With technical effect is: simple structure, can flexibly switch tool, wide adaptation range.

The utility model relates to a microalgae culture device for ecological restoration, which comprises a culture tank, an annular first cover plate mounted at the top of the culture tank through a flange, an annular second cover plate detachably mounted on the inner wall of the first cover plate, a third cover plate detachably mounted on the inner wall of the second cover plate, and a liquid distribution plate inserted into the upper part of the inner wall of the culture tank, a liquid inlet in the liquid distribution plate penetrates out of the side wall of the culture tank, a microalgae inlet located below the liquid distribution plate is formed in the side wall of the culture tank, a temperature equalizing cover is arranged on the inner wall of one side of the culture tank, a heating resistance wire is arranged in the temperature equalizing cover, air inlet pipes are arranged on the two sides of the top of the second cover plate in an up-down sealing and sliding mode, and the bottoms of the air inlet pipes are connected with aeration coil pipes; a lifting mechanism for driving the air inlet pipe to lift is arranged on the outer side of the culture tank, and illuminating lamps are vertically and hermetically arranged on two sides of the top of the third cover plate in a sliding manner. The illumination lamp and the aeration coil pipe are convenient to disassemble, assemble and clean, the height of the aeration pipe is adjustable, and the microalgae culture effect is good.

This utility model provides a wind turbine tower cooling device, aiming to solve the problem that existing offshore wind turbine tower cooling devices lack dehumidification and desalination filtration of sea air. It includes a filter pipe, a multi-stage filtration system, a cooling fan, a support frame, and a water storage pipe. The filter pipe contains the multi-stage filtration system and is fixedly mounted on the support frame. A cooling fan is installed on the air outlet pipe at the top of the filter pipe. The water storage pipe is connected to the bottom of the filter pipe through multiple drain pipes, and an electric heating wire is wound around the outside of the water storage pipe. The multi-stage filtration system includes a metal filter, filter cotton, and a cyclone filter. The metal filter, filter cotton, and cyclone filter are arranged sequentially. The positions of the air outlet pipe and the cyclone filter correspond to each other. This device can effectively dehumidify and desalinate sea air, preventing water vapor and salt from adversely affecting the equipment during heat dissipation.

This invention discloses a continuous mouse-trapping device, belonging to the field of animal trapping technology. The device includes a first housing, a lifting box, a sealing plate assembly, a lifting assembly, a pusher assembly, an active space, a second housing, and a controller. The first housing contains a lifting space with inlets at both ends. The lifting box is slidably disposed within the lifting space and has an internal cavity extending through both ends, having a first position communicating with the inlets and a second position where both ends are closed. The sealing plate assembly is located at the inlets to close them after a mouse enters the internal cavity. The lifting assembly drives the lifting box to move up and down. The pusher assembly is located on the lifting box to push the mouse out of the internal cavity. The active space is adjacent to the lifting space; when the lifting box is in the second position, the internal cavity communicates with the active space. The second housing is located above the first housing and contains a flip-up assembly and a collection cavity. This invention enables automated continuous mouse trapping, improving the success rate of mouse trapping.

The utility model relates to the related technical field of cooling and ice-making, in particular to an improved cooling ice-making device for sturgeon fillet production, which comprises an ice-making box and an auxiliary mechanism, and is characterized in that a bottom plate is fixedly arranged at the bottom end of the ice-making box, a plurality of supporting columns are arranged at the bottom end of the bottom plate, an ice-making assembly is fixedly mounted on the outer side of the ice-making box, and the ice-making assembly is fixedly mounted on the outer side of the ice-making box. The ice making assembly is arranged on one side of the outer end of the ice making box in a surrounding mode. According to the utility model, the stirring paddle in the device adopts a spiral structure and is provided with anti-skid lines, so that water in the ice making bin can be efficiently stirred under the driving of the driving motor I, the contact area between the water and the ice making assembly is increased, the heat exchange is accelerated, and the ice making speed is obviously improved; the spiral conveying pipe, the threaded blade and the crushing cutter group are matched, so that ice blocks can be quickly crushed and conveyed to a specified position, and the working efficiency of the ice making device is greatly improved.

The invention relates to an aging integrated circuit thermal analysis method, an aging test system and device, a storage medium and a program product. The method comprises the following steps: controlling a special test board to load an aging test program to a target aging integrated circuit sample to be tested; starting the target aging integrated circuit sample loaded with the program, and enabling the target aging integrated circuit sample to work in an aging environment; controlling an infrared thermal imager to perform infrared image acquisition on the surface of the target aging integrated circuit sample in the aging environment to obtain a surface heat distribution image of the target aging integrated circuit sample; and performing thermal analysis on the surface thermal distribution image to obtain a thermal analysis result. According to the method, the temperature change of the integrated circuit in the aging process is recorded in real time, so that the accuracy of monitoring the temperature of the integrated circuit is improved.

The utility model provides a kind of tofu block draining rack that can be layered and drained, it is related to tofu block draining rack technical field, including support frame, the upper portion of support frame is provided with draining mechanism;Draining mechanism includes two fixed frame, the bottom surface of each fixed frame is fixedly connected with the upper surface of support frame, the side surface of two fixed frame mutually close is commonly fixedly connected with six draining racks, the upper surface of each draining rack is fixedly connected with draining frame, the inside of each draining frame is provided with gauze, the outer surface of each gauze is contacted with the outer surface of draining frame.This tofu block draining rack that can be layered and drained, six draining racks are fixed in parallel through two fixed frames on the upper portion of support frame, draining frame and gauze are independently configured in each draining rack, form six independent and parallel draining units, and the effective draining area of draining rack is improved several times compared with traditional single-layer structure by this layered design, and a large number of tofu blocks can be simultaneously accommodated for draining operation.

The utility model discloses a cutter structure for packaging bag cutting equipment, and relates to the field of cutter structures for cutting equipment. The cutting device comprises a machine base, a heat sealing assembly and a cutting assembly, through the arrangement of a scrap removing mechanism, side lugs, a first installation base, a wedge-shaped face, an ultrasonic transducer, a medium layer and a friction layer, when a blade is lifted to a certain height to make a blade back make contact with the scrap removing mechanism, the ultrasonic transducer starts to work, and at the moment, the blade back makes contact with the scrap removing mechanism; the ultrasonic waves can generate high-frequency vibration under the cooperation of the dielectric layer and the friction layer, and the high-frequency vibration can quickly shake off plastic chips attached to the blade, so that the plastic chips are prevented from being accumulated on the blade, and the cutting surface of the blade can be ensured to recover a sharp and flat state again; and the dielectric layer and the friction layer prevent the ultrasonic transducer from being in direct contact with the tool bit, so that the ultrasonic transducer is prevented from physically damaging the tool bit in the working process.

The invention provides an intelligent nursing robot system for assisting an interventional operation based on deep learning. The system comprises a central control unit, a mobile robot platform, a multifunctional cooperative mechanical arm, an intelligent instrument recognition and delivery module, a vital sign intelligent early warning module and a man-machine interaction module. The flexible damage-prevention clamping jaw at the tail end of the multifunctional cooperative mechanical arm is used for effectively preventing the thin-wall intervention equipment from being damaged; through a similar catheter vision distinguishing algorithm based on deep learning, fine-grained extraction is carried out on highly similar appearance features, and precise recognition and dual verification delivery of a complex interventional instrument are achieved; and meanwhile, a vital sign early warning mechanism based on a deep learning time sequence model is introduced, so that the trend of complications such as vagus nerve reflex and the like can be recognized in advance and early warning can be performed. The problems that in the high-radiation environment of the catheter room, nursing manpower is nervous, instrument delivery is prone to errors, complication intervention lags and the like are solved, and the safety and cooperation efficiency of an interventional operation are remarkably improved.

This invention relates to the fields of biomedical technology and pharmaceutical formulations, and discloses a sustained-release powder spray for oral ulcers based on milk exosomes and its preparation method. The spray uses milk exosomes as the active ingredient, combined with an extracellular matrix-simulated network composed of sodium hyaluronate and collagen, and the stabilizer trehalose. It is prepared into a dry powder with a particle size of 2-15 μm through a microdroplet freeze-drying process. During preparation, the components are mixed and formed into microdroplets using a microfluidic device, then instantaneously frozen in liquid nitrogen at -80°C, and finally freeze-dried to obtain the powder. This formulation can be stably stored for a long time at 2-8°C. When used, it is sprayed onto the ulcer surface using a quantitative spray device. Upon contact with moisture, the gel network is reconstructed in situ, achieving sustained release and protection of the exosomes. It has the advantages of convenient use, accurate dosage, and long-lasting healing promotion.