82results about How to "Perfect structural design" patented technology

The invention discloses a heavy duty stacker for containers. The heavy duty stacker comprises a stacker frame, a safety protection device, a loading platform, a container hooking and taking device, a lifting device, an operation driving device and an electrical control device, wherein the stacker frame comprises four upright posts, an upper cross beam and a lower cross beam; the safety protection device comprises a cargo state detection device, a broken rope protection device, a power outage protection device, a travel speed-limiting device, a detection and positioning device and a progression speed reduction, walking emergency stop and retreat speed reduction switch; the container hooking and taking device comprises a lower fork, a middle fork, an upper fork and a hooking and taking driving mechanism composed of a normally closed electromagnetic braking motor, a chain wheel and a chain; the lifting device comprises a speed reduction motor, a pulley group, a steel wire rope reel, an encoder and a steel wire rope; and the operation driving device comprises a motor, a driving wheel, a driven wheel and an encoder. The heavy duty stacker is reasonable in structural design, strong in operability, good in safety performance and good in stable performance, and can meet the loading demand of large containers at ports and docks, and be convenient for popularization.

The invention belongs to the technical field of synthesis and preparation of polymer materials, and discloses a synthetic method of triblock polymer, wherein stepwise polymerization (SGB), atom transfer radical polymerization (ATRP) and click chemistry method are combined at first; and 1, 3-dipolar cycloaddition reaction is performed to polymer with azido terminal group and polyurethane prepolymer with alkynyl terminal group to successfully synthesize triblock polymer containing triazole ring. The synthesis method provided by the invention overcomes the defects in traditional block polymer synthesis that reaction conditions are strict, molecular weight distribution is controlled difficultly, and selectable classes of monomers are less, and has the advantages of high conversion rate, mild reaction conditions, narrow molecular weight distribution and strong controllability. The triblock polymer provided by the invention has potential application in ways of medicine slow release, solubilizers and surfactants.

The invention belongs to the field of functional fiber, and particularly relates to thermochromic fiber and a preparation method and application thereof. The thermochromic fiber is of a core-claddingstructure, a core layer of the core-cladding structure is a thermochromic layer, and the cladding layer is a protection layer and positioned outside the core layer. The thermochromic layer is preparedby adopting a thermal softening drawing method. The preparation method includes: obtaining a prefabricated rod of the thermochromic layer, and performing thermal softening drawing on the prefabricated rod to obtain the thermochromic layer fiber, wherein thermal softening drawing is a thermal softening drawing method adopted in an optical fiber preparation process. Compared with existing thermochromic fiber preparation methods, the drawing process is wide in thermochromic material and polymer base material selection range and diverse in structure design; fiber different in section structure can be designed, distribution of different thermochromic materials in the fiber can be controlled accurately, and the preparation method is high in production efficiency and suitable for large-scale production.

The invention discloses current cutouts used by a flow battery. Each current cutout comprises a shell, an electrolyte inlet pipe, an electrolyte outlet pipe and a current cutoff part, wherein the electrolyte inlet pipe provides a channel for electrolyte to flow into the shell; the electrolyte outlet pipe provides a channel for the electrolyte to flow out of the shell; the current cutoff part is used for intermittently outputting the electrolyte flowing into the shell in a rotary manner. The current cutouts used by the flow battery have the beneficial effects that the integral structure is concise; the current cutoff parts enable the liquid flow to intermittently flow in a rotary manner, so that the electrolyte in electrolyte pipelines is intermittently disconnected, thus being capable of eliminating the shunt leakage current. The invention also discloses the flow battery. By additionally arranging the current cutouts used by the flow battery on outlet pipelines of electric pumps, closed circuits can be disconnected to intermittently input the electrolyte to each electric pile section by section and the electrolyte in the electrolyte pipelines is intermittently disconnected, so that the shunt current caused because the flow battery shares the electrolyte can be prevented.

The invention discloses an information push service system based on web management and mobile phone applet application. Information technology field, Web server, Information transfer server, Data switch, Database server, the information screening server is sequentially connected in series with the optical fiber cable through the optical fiber transceiver; wherein the first firewall server and thesecond firewall server are connected with the optical fiber cable in series through the optical fiber transceiver, the first firewall server is connected with the information screening server, the information screening server is connected with the information transfer server, and the second firewall server is connected with the database server and the information transfer server. The mobile phonemini-program information pushing system specially serves a mobile phone mini-program information pushing function in a targeted mode, layout is more compact, and the structural design is more perfect,reasonable and optimized.

The invention relates to a sealing method of a phase-change energy storage unit which is simple in structure and good in economy. The phase-change energy storage unit comprises a casing, wherein a heat-insulating material layer is arranged in the casing, a liner casing is arranged in the heat-insulating material layer and filled with a phase-change material, the filling volume of the phase-change material accounts for 80%-98% of the volume of a liner, a sealing material layer floats on the surface of the phase-change material, and a heat-exchange coil pipe, an electric heating mechanism and a temperature sensor are embedded in the phase-change material; crystallization water separated out in a (solid-to-liquid) phase change process of the phase-change material can be locked below the sealing material layer, so that volatilization of the crystallization water is slowed down, the service life of the phase-change material is prolonged, the machining and manufacturing difficulty of a packaging container is reduced, the structural design of the packaging container is more diversified, the packaging container can be designed into a round shape or a small square shape, a sealing material can lock partial heat of the phase-change material, the heat loss is reduced, the heating speed of the phase-change material is increased, and the heating time is shortened.

The invention relates to an automatic water spraying and extinguishing system with an accurate spraying function. The automatic water spraying and extinguishing system with the accurate spraying function comprises a water tank, a pressure stabilization pump, a water inlet pipe, an alarm valve, an alarm bell, a water outlet pipe, a tail end water test device, a controller, a top plate and two supporting columns, wherein a heat preservation mechanism and a moving mechanism are arranged between the two supporting columns, the heat preservation mechanism comprises a first electric heating wire, ametal hose and two heating assemblies, the heating assemblies comprise first motors, rollers and second electric heating wires, and the moving mechanism comprises a sliding assembly, a connecting rod,a connecting strip and an auxiliary unit. According to the automatic water spraying and extinguishing system with the accurate spraying function, the positions of sprayers are adjusted through the moving mechanism, so that the sprayers are aligned with ignition points, then the accurate spraying function is realized, moreover, the water tank and the metal hose are heated through the heat preservation mechanism, so that the situation that blockage is caused by freezing of water in the fire extinguishing system is prevented, the trouble of equipment maintenance is reduced, and the practicability is improved.

The invention relates to a water spraying propulsion pump structure capable of measuring the dynamic exciting force of a blade. A cone-shaped through hole of a force measuring machine is consistent with the taper of an inner shaft of the pump, and the through hole and the inner shaft of the pump are connected through a tightening screw in a fastening manner; a cylinder outer shaft of an outer hood I of the force measuring machine is tightly connected with an inner hole of a hub of an impeller through a bolt; twenty-four strain pieces are stuck on four deflection square columns of the force measuring machine so as to form six full-bridge Wheatstone bridges; bearings are fixed on the outer shaft, the outer shaft and the inner shaft are connected through the bearings, the outer shaft is driven by a belt wheel to rotate, and the impeller and the force measuring machine also rotate synchronously. In the rotating process, the four deflection square columns of the force measuring machine are subjected to deformations such as bending and torsion, the twenty-four strain pieces stuck on the square columns are also subjected to the same deformations, and a needed physical quantity can be obtained by using corresponding software.

The invention discloses a catalyst for preparing low-carbon olefin through one-step conversion of synthesis gas and a preparing method and application thereof. The catalyst comprises Fe, Zr or Mn, K and oxides thereof and is prepared in the way that urea serves as the precipitant and is mixed with a solution, then microwave hydrothermal precipitation is conducted, and filtration, washing and absolute ethyl alcohol ultrasonic dispersion are conducted to obtain precipitate A; or ammonium hydroxide serves as the precipitant and is mixed with a solution, then precipitation is conducted, and filtration, washing and absolute ethyl alcohol ultrasonic dispersion are conducted to obtain precipitate B; urea serving as the precipitant and the obtained A are mixed and stirred and then subjected to dynamic hydrothermal precipitation; ammonium hydroxide serving as the precipitant and the obtained B are mixed and stirred and then subjected to dynamic precipitation; the obtained precipitate is separated, filtered, washed and dried to obtain powder; a potassium carbonate solution is prepared to serve as impregnation liquid to impregnate the powder, and drying, grinding, tabletting and pelleting are conducted to obtain the catalyst. Olefin selectivity is effectively improved, and product distribution is improved; furthermore, raw materials are cheap and easy to obtain, and particle size is controllable.

The invention provides a built-in sorbent floating head type adsorbent bed refrigeration unit. The refrigeration unit comprises an adsorbent bed, an insulation connective closed body, a condenser, an adiathermance connective closed body and an evaporator, wherein the adsorbent bed is formed by at least two outer fin tubes; the sorbent is solidified on the inner wall of the outer fin tubes of the adsorbent bed; a mass transfer channel is arranged in the center of the outer fin tubes of the adsorbent bed; the condenser is formed by at least two outer fin tubes; the evaporator is formed by at least one outer fin tube; upper ends of the outer fin tubes of the adsorbent be are closed; lower ends of the outer fin tubes of the adsorbent bed are communicated with the upper end of the insulation connective closed body; the lower end of the insulation connective closed body is communicated with upper ends of the outer fin tubes of the condenser; lower ends of the outer fin tubes of the condenser are communicated with the upper end of the adiathermance connective closed body; the lower end of the adiathermance connective closed body is communicated with the upper end of the outer fin tube of the evaporator; and the lower end of the outer fin tube of the evaporator is closed. The refrigeration unit has scientific structure design, strong capability of adapting to reversed heat stress, does not leak in operation, and has prominent adsorbent refrigeration effect.

A heat pipe air conditioning device comprises a heat pipe tail end system, a liquid storage tank, a circulation pump, a cold source system, a temperature sensor and a control module; an inlet of the circulation pump communicates with the liquid storage tank; an outlet of the circulation pump communicates with an inlet of the heat pipe tail end system; an outlet of the heat pipe tail end system communicates with an inlet of the cold source system; an outlet of the cold source system communicates with the liquid storage tank; the heat pipe tail end system comprises a heat pipe evaporator and a second electronic expansion valve; the second electronic expansion valve is connected to an inlet of the heat pipe evaporator; the temperature sensor is used for detecting the humidity difference inside and outside a machine room; and a signal input end of the control module is connected with a signal output end of the temperature sensor, and the control module controls operation of the heat pipe air conditioning device according to signals transmitted and recorded by the temperature sensor.

The invention discloses a solid-liquid separation device for medical waste. The solid-liquid separation device comprises a supporting and assembling plate; a supporting and assembling rack is arrangedon an upper end of the supporting and assembling plate; a separation plate is horizontally arranged on a middle part in the supporting and assembling rack; a transmission assembly plate which is vertically arranged penetrates through a left end of an upper side of the separation plate; synchronous driving motors are horizontally arranged on a left side of the transmission assembly plate in a vertically symmetrical manner; a right end of each synchronous motor is horizontally and rightwards provided with a motor rotary shaft; a guiding transmission plate is vertically arranged on a middle partof the separation plate; the motor rotary shaft are provided with a synchronous transmission structure by being matched with the guiding transmission plate; and the synchronous transmission structurecomprises a positioning rotary stud which horizontally penetrates through the middle part of the guiding transmission plate. The solid-liquid separation device has the advantages that the structure is perfectly designed; transmission design is consistent and reasonable; processing efficiency is high; and a collection effect is good.

The invention relates to a portable water cup kettle supporting and hanging frame, which is designed by aiming at solving the technical problems that the similar products in the prior art adopt a structure of being combined with a cup body, the structure is fixed, and the function is single. The supporting and hanging frame comprises an upper cup ring and a lower ring supporter, wherein a connecting rod is arranged between the upper cup ring and the lower ring supporter. The portable water cup kettle supporting and hanging frame is mainly characterized in that the connecting rod comprises an upper guide rod and a lower guide rod, the upper guide rod and the lower guide rod are buckled and fixed through groove holes and buckle hooks, the upper cup ring is hinged to the upper guide rod, the lower ring supporter is hinged to the lower guide rod, a lower position limiting bulge is arranged at the hinging part of the lower guide rod and the lower ring supporter, the lower position limiting bulge is butted with the lower position limiting rod arranged in the lower guide rod at the end, ring loops of the upper cup ring and the lower ring supporter are respectively provided with lock buttons, locks arranged at one ends of the lock buttons in the ring loops are respectively in interference butting with the outer diameter of a heat insulation kettle arranged at the inner diameter of the ring loops through the ring loops of the upper cup ring and the lower ring supporter, the upper guide rod is provided with a holding handle, and the holding handle is in an arc-shaped bending state. The lock buttons can be replaced into slide buttons, and the slide buttons are respectively provided with arc-shaped bulges. The portable water cup kettle supporting and hanging frame is suitable for being used as a handle, a cup supporter and a hanging frame of the heat insulation kettle or the heat insulation cup to be used.

The invention discloses a low-abundance uranium-bearing liquid waste transport container. The low-abundance uranium-bearing liquid waste transport container comprises an inner container body and an outer container body sleeving the inner container body. The inner container body comprises an inner cylinder and an inner cover plate seal head fixedly welded with an opening end of the inner cylinder. A liquid sucking pipe, a liquid discharging pipe, a compressed air pipe, a pressure sensor, a liquid level sensor and a respirator connecting pipe are mounted on the inner cover plate seal head. The outer container body comprises an outer cylinder and an outer cover plate seal head connected with an opening end of the outer cylinder through a bolt, a left ear chamber and a right ear chamber are arranged on the outer wall of the outer cylinder symmetrically, a supporting seat is arranged at the inner bottom of the outer cylinder, and a position between the inner cylinder and the outer cylinder is filled with water-absorbent resin. The low-abundance uranium-bearing liquid waste transport container has the advantages that the low-abundance uranium-bearing liquid waste transport container of a bi-layer tank structure is comprehensive in structural design, complete in monitoring system, capable of meeting fall-down test requirements and high in safety due to the fact that a middle interlayer filled with the water-absorbent resin prevents leakage of liquid waste in emergencies effectively, and the liquid level sensor is used for controlling the liquid waste volume to prevent supercritical conditions effectively.

The invention discloses a quick dirt removal device for medical apparatuses. The quick dirt removal device comprises a support and installation module and a self-adaptive lifting and conveying module,wherein the support and installation module comprises a dirt removal installation cylinder; a support and installation framework is arranged at the upper end of the dirt removal installation cylinder, and the middle part of the support and installation framework is downwards provided with an U-shaped installation frame; the self-adaptive lifting and conveying module comprises a self-adaptive conveying structure and a lifting adjusting structure, the self-adaptive conveying structure is arranged in the middle part of the upper end of the support and installation framework, and the lifting adjusting structure is vertically penetrated into the middle part of the U-shaped installation frame; the self-adaptive conveying structure comprises a limiting telescopic installation cylinder, the limiting telescopic installation cylinder is arranged in the middle position of the upper end of the support and installation framework, and a limiting telescopic installation column is vertically arrangedin the limiting telescopic installation cylinder in a matching way. The quick dirt removal device has the advantages that the structural design is perfect, the effect of the self-adaptive structure is obvious, the clamping is stable, the cleaning process is continuous, the labor intensity is decreased, the time is shortened, the safety is realized, the efficiency is high, and the like.

The invention discloses an ECFF (electric-flocculation+electrolytic-flotation+filtration) type integral electric-flocculation car-washing waste water treatment device, comprising a casing, and an electric-flocculation reaction chamber, an electrolytic-flotation chamber and a filtration chamber which are communicated in sequence and arranged inside the casing. The electric-flocculation reaction chamber is arranged between a first side wall of the casing and a first partition plate, and an electric-flocculation device is arranged inside the electric-flocculation reaction chamber; the electrolytic-flotation chamber is arranged between the first partition plate and a second side wall of the casing, and an electrolytic chamber, a flotation chamber and a sewage discharging device are arranged inthe electrolytic flotation chamber; the filtration chamber is arranged between the second partition plate and the second side wall of the casing, and a filtration device is arranged in the the filtration chamber. The whole treatment device has comprehensive design of functional structure and thus its floor area and manufacturing cost can be reduced greatly; with cooperation of the electric-flocculation device, the electrolytic-flotation device and the filtration device, waste water can be sterilized, cleaned and purified once the device is connected with current, and thus, secondary pollutionis prevented effectively, treatment cost for recovery of waste water in the prior art is lowered, and car-washing waste water recovery treatment is much economical and environmentally friendly.

The invention discloses an extrusion type solid-liquid separation medical waste treatment apparatus, which comprises a support installation frame, wherein the left side and the right side of the upperend of the support installation frame are symmetrically and respectively provided with an elastic extrusion operation installation cylinder, the upper ends of the elastic extrusion operation installation cylinders are horizontally provided with a support installation plate, the upper ends of the elastic extrusion operation installation cylinders are respectively provided with a material inlet cylinder, both ends of the support installation plate are respectively, symmetrically and downwardly provided with a swinging extrusion plate through rotation shafts, the inner sides of the elastic extrusion operation installation cylinders are respectively and vertically embedded with an elastic transmission plate, airbag elastic installation plates matched with the swinging extrusion plates cover the elastic transmission plates, the lower ends of the elastic extrusion operation installation cylinders are respectively provided with an arc-shaped gate through reset rotation shafts, and the middleposition of the support installation frame is vertically provided with a hydraulic generator. According to the present invention, the extrusion type solid-liquid separation medical waste treatment apparatus has advantages of perfect structural design, coherent and reasonable transmission design, high treatment efficiency, good collection effect and the like.

The invention discloses a titanium implant structure optimization method based on age factors. The method comprises the following steps of S1, carrying out geometric modeling on the femoral implant; s2, establishing a finite element model of an initial age group; S3, establishing a finite element model of the multi-age femoral implant; and S4, evaluating the indexes and optimizing the structure ofthe titanium implant. According to the invention, the influence of the change of the age of a patient on the stress distribution of the titanium implant is studied; a method for optimizing the internal structure of the titanium implant is provided for a to-be-optimized region in the titanium implant; the structural design of the titanium implant is perfected, the service life of the titanium implant in a human body is prolonged, the risk that the titanium implant loses efficacy in the bearing process is reduced, and meanwhile the situation that when the structure of the titanium implant is optimized, the yield stress of a non-stress concentration area is too large is avoided.

The invention relates to a multifunctional printer placing cabinet which is designed for solving the technical problems that the conventional printer is inconvenient to place, and paper and office supplies are inconvenient to store, so that the space of a desk is limited. A supporting table plate is arranged on a cabinet body of the placing cabinet, and the key points are that a box cover on the side of the supporting table plate of the cabinet body bends toward the side of a paper groove in an arc manner; a paper-out button assembly is arranged on the box cover, in the box cover arc gap, between the groove opening of the paper groove and the supporting table plate; a button box of the paper-out button assembly extends out of the arc gap; a paper outlet is formed in the paper groove of the cabinet body on the side of the paper-out button assembly; spiral inclined planes of an upper meshed part of the paper-out button assembly and a lower meshed part of the box cover are meshed; the lower meshed part is connected with a friction plate through a rotating rod, a connecting rod and a pin shaft; a lead block is arranged on the friction plate; the lower meshed part is connected with one end of the rotating rod through a screw; a rotating rod torsional spring is arranged at the joint of the lower meshed part and the rotating rod; one end of the friction plate extends out of the inside diameter of a U-shaped groove opening of a fixing plate through the limiting of the pin shaft and the gravity action of the lead block; the friction plate is propped against the paper in the paper groove of the cabinet body; the paper can extends out of the paper outlet one by one when the button box is pressed.

The invention discloses an orbit determination guiding type building pre-buried wire groove accurate cutting device which comprises an installing guide module, a sliding installing module and a transverse movement cutting module. The installing guide module comprises two installing guide columns arranged on the front and back sides of the lower end in parallel, the sliding installing module comprises U-shaped guide installing frames arranged at the upper ends of the installing guide columns on the front and back sides, an operation supporting installing plate is horizontally arranged at the upper ends of the U-shaped guide installing frames on the front and back sides, the transverse movement cutting module comprises a guide installing barrel horizontally and movably installed at the middle position of the operation supporting installing plate, the guide installing barrel is downwards vertically provided with a lifting operation installing barrel, and a driving lifting motor is vertically embedded into the middle position of the upper end of the lifting operation installing barrel in cooperation with the guide installing barrel. The orbit determination guiding type building pre-buried wire groove accurate cutting device has the advantages of being complex in structural design, stable in installation, capable of achieving repeated operation, accurate in cutting width and depth control, stable in cutting process and the like.

The invention designs a multi-functional infrared gas sensor which comprises an infrared characteristic filter and a thermopile infrared detector, wherein the thermopile infrared detector comprises a plurality of sensing units; each sensing unit comprises a silicon substrate, a frame, thermopiles, a support arm, an infrared absorption layer and an etching opening; the etching opening is arranged in the center of the silicon substrate by the frame; the support arm is arranged on the silicon substrate; thermopiles are arranged on the support arm at intervals; the infrared absorption layer is suspended in the middle of the frame and is fixedly connected with the frame by the support arms; the silicon substrate and the infrared absorption layer suspended in the middle of the frame respectively form a cold junction region and a hot junction region of the thermopiles.

The invention discloses a hydraulic driving device which comprises one or more bag-shaped bent structures and a hydraulic driving pump. Each bag-shaped bent structure comprises one or more liquid bags and a liquid channel communicating with the liquid bags. The bag opening end is longer than the sealed end of the longitudinal section of each liquid bag. One end of the liquid channel is connected with the hydraulic driving pump and used for sucking or extracting liquid, and the other end of the liquid channel is sealed. Compared with a metal hydraulic driving device, the overall structure weight is reduced, and the hydraulic driving device can be conveniently applied to a small robot. Compared with a pneumatic mechanical grip, the size is smaller, the device can be conveniently applied to the small robot, meanwhile, the moving ways can be adjusted in various gears, structural design is various, the moving postures of various organisms can be flexibly and accurately simulated as needed, and the best solution for simulating biomimetic motion is achieved while electric control deformation materials are not mature at present.

The invention discloses a rail type gate micro valve device. The rail type gate micro valve device is formed by an upper silicon wafer layer and a lower silicon wafer layer in a bonding mode. The bottom of the first silicon wafer layer is provided with a groove. The second silicon wafer layer is provided with a fluid inlet, a fluid outlet and a control port, and the fluid inlet, the fluid outlet and the control port penetrate through the second silicon wafer layer up and down. A micro valve rail, a moving part and an actuating beam are arranged in the groove of the bottom of the first silicon wafer layer. The moving part is arranged on the micro valve rail. One end of the actuating beam is connected to the sidewall of the bottom groove, and the other end of the actuating beam is connected to the moving part. The actuating beam is connected with a bimetal thermal actuator. A gate is arranged on the moving part. The actuating beam is used for driving the moving part to move along the micro valve rail so as to control the gate to open or close the fluid inlet and the fluid outlet. According to the rail type gate micro valve device, a high-mass gate is avoided, and the possibility of more plentiful gate micro valve structure design is provided.

The invention provides an electric bicycle foot stand electronic lock and relates to the technical field of electric bicycles. The electric bicycle foot stand electronic lock comprises a foot stand, abrake cable, a disc brake, a lock disc, a guide barrel, a lock bolt, a spring vertically arranged in the guide barrel, a sector gear, a locking board, a round gear, a motor and a control chip. The middle portion of the lock disc is vertically connected with a rotary shaft of the round gear, a cable groove is formed in the edge of the lock disc for a circle, one end of the brake cable is fixed into the cable groove, the other end of the brake cable extends out from the lower end of the lock disc along the cable groove and is connected with the disc brake, a lock bolt groove with an arc-shapedtransverse section is formed in the cable groove, an arc-shaped structure matched with the lock bolt groove is formed in the bottom of the lock bolt, a notch communicating with the inner portion and the outer portion is formed in the barrel wall of the guide barrel, the front end of the locking board is inserted in the notch, and a row of tooth grooves matched with the sector gear are formed in the bottom face of the locking board. The electric bicycle foot stand electronic lock has electric bicycle supporting and locking functions, electric bicycle supporting stability can be effectively improved, and an antitheft effect can be achieved.

The embodiment of the invention provides a method and system for acquiring ultimate bearing capacity and failure mode of special-shaped structural slab, and the method comprises the following steps: carrying out the discrete processing of the special-shaped structural slab through employing a grid dot matrix based on a numerical analysis model of the special-shaped structural slab according to a plastic stranded wire theory, and obtaining a plurality of nodes and connecting lines among the plurality of nodes; solving a preset mathematical optimization equation to obtain a structural ultimate failure load coefficient and a critical failure mode of the special-shaped structural plate; wherein the preset mathematical optimization equation taking the plurality of nodes and connecting lines among the plurality of nodes as research objects, and taking a node geometric compatibility equation, a flow rule and a boundary condition as constraint modulation conditions. It avoids the deficienciesof the artificially assumed yield line failure mode in the prior art, improves the calculation efficiency and accuracy of determining the ultimate bearing capacity of the special-shaped structural plates, and more directly reveals the damage of the plate structure, enriches the structural design and the analysis methods of the researchers and method.

The invention provides a convenient-type trauma treatment vehicle. The convenient-type trauma treatment vehicle comprises a vehicle body. The vehicle body is a hollow structure. The bottom of the vehicle body is provided with four connecting frames. A first rotation shaft is installed in the connecting frames. Universal wheels are rotatably connected with the connecting frames through the first rotation shaft, and one of the universal wheels is provided with a locking mechanism. The locking mechanism is rotatably connected to the first rotation shaft. A center of the front face of the vehiclebody is symmetrically provided with a pair of sliding doors. The sliding doors are provided with handles. One side of the top of the vehicle body is provided with a non-heat-insulating medicine box. The non-heat-insulating medicine box is provided with an overturn cover. The non-heat-insulating medicine box is internally provided with a plurality of medicine storage boxes. Each of the medicine storage boxes is provided with a box cover. The medicine storage boxes are arranged along circumferential directions of three edges of the bottom of the non-heat-insulating medicine box. An operating platform is further installed in the non-heat-insulating medicine box. The convenient-type trauma treatment vehicle is capable of safely and conveniently storing medical apparatuses, medicines and consumable items, and very convenient and flexible in use.

The invention discloses a vertical centrifugal medical waste solid-liquid separating device. The vertical centrifugal medical waste solid-liquid separating device comprises a support transmission mounting cylinder, a centrifugal working installation cylinder is upwardly arranged at an upper end of the support transmission installation cylinder through a cone bottom mounting plate, a transmission mounting plate is horizontally arranged at the middle position of a lower end of the support transmission mounting cylinder, two synchronous active motors are vertically arranged at a lower end of thetransmission mounting plate in a left and right symmetric manner, a motor rotating shaft penetrating the transmission mounting plate is vertically and upwardly arranged at an upper end of each of thesynchronous active motors, an active rotating shaft is vertically arranged at the middle position of the cone bottom mounting plate in a penetrating manner, a lower end of the active rotating shaft extends into the support transmission mounting cylinder and is matched with the transmission mounting plate to be provided with a positioning rotating sleeve through a rotating shaft in a inlaying manner, and a working gear is horizontally and coaxially arranged at a lower end of the active rotating shaft. The device has the advantages of perfect structural design, coherent and reasonable transmission design, high processing efficiency, good collection effect, etc.

The invention discloses a remote intelligent monitoring and early warning system and method for a large outdoor advertising board. The system comprises a front-end monitoring unit which is used for collecting a surface image of a large outdoor advertising board, carrying out the damage degree calculation of the collected surface image, and transmitting the damage degree calculation value to a rear-end management unit, and the rear-end management unit which is used for judging whether the current large advertising board is damaged or not according to the value of the damage degree calculation,generating an alarm record if the current large outdoor advertising board is damaged, notifying the maintenance personnel to go to the current large outdoor advertising board for maintenance, and continuing monitoring if the current large outdoor advertising board is not damaged. Intelligent detection management of the large outdoor advertising board is achieved, the state of the advertising boardis monitored for advertising board managers in real time, the inspection cost of the managers is reduced, and other intelligent detection purposes are achieved.

The invention provides a heat pipe backboard air conditioner multi-connection unit. The heat pipe backboard air conditioner multi-connection unit comprises a plurality of heat pipe back plate air conditioners, a liquid storage tank, a circulating pump and a cold source system; each heat pipe back plate air conditioner is connected with a refrigerant liquid inlet branch pipe and a refrigerant gas return branch pipe, the refrigerant liquid inlet branch pipe is connected to a refrigerant liquid inlet main pipe, the refrigerant air return branch pipe is connected to the refrigerant return air mainpipe, the refrigerant return air main pipe is connected with an inlet of the cold source system, the refrigerant liquid inlet main pipe is connected with the circulating pump, and the liquid storagetank is located between the circulating pump and the outlet of the cold source system; back plate electronic expansion valves are arranged on connecting pipelines of the heat pipe back plate air conditioners and the refrigerant liquid inlet branch pipe; the cold source system comprises a natural cold source and a compressor cold source, and the natural cold source and the compressor cold source are connected in parallel; and the cold source system is connected between the refrigerant return air main pipe and the liquid storage tank, so that the cold source system of the whole device has threeoperation modes, namely a cold source mode of the compressor, a natural cold source mode, and a mixed mode that the compressor and the natural cold source are simultaneously used.