178results about How to "Increase carrying capacity" patented technology

The utility model provides a storage box bottom structure with a rack, which comprises a box bottom formed by welding a circular top cover and a plurality of scalloped segments; the rack small end frame is arranged on the outer side of the center of the top cover and used for being connected with an engine; and the plurality of rack force transmission plates are uniformly connected to the circumferential position of the rack small end frame and respectively extend to the scalloped segments from the top cover. The box bottom structure has the advantages of being simple in structure and capable of improving carrying capacity.

The invention discloses a heterogeneous multi-robot air-ground collaborative material distribution method, and belongs to the technical field of multi-unmanned system task allocation. Comprising the following steps: determining an air-ground collaborative minimum coverage area unit, carrying out partitioning on the air-ground collaborative minimum coverage area unit, and selecting a collection and distribution center for material distribution and external placement points; carrying out optimal closed-loop sequence solution on a delivery route between the delivery point and the material delivery area to obtain a shortest path with road information; incremental updating and multi-source information fusion mapping are carried out on a delivery area through real-time collaborative environment perception of the unmanned aerial vehicle and the unmanned vehicle; performing optimal path planning based on the distribution task; based on the planned optimal path, a distribution task is completed; and through communication of the Internet of Things, a return route is planned, and a next distribution task is prepared. The unmanned vehicle and the unmanned aerial vehicle are combined, air-ground cooperative three-dimensional autonomous material distribution is achieved, and complementary advantages of large carrying capacity and long cruising ability of the unmanned vehicle and high maneuverability and three-dimensional distribution of the unmanned aerial vehicle are achieved.

The utility model relates to the technical field of watering carts, in particular to a watering cart which comprises a cart body, a supporting plate and a water storage tank, a fixing groove penetrating through the cart body is formed in the top end of the cart body, a spring is arranged in the fixing groove, a guide plate is arranged at the top end of the cart body, a buffer pad is fixedly connected to one side of the guide plate, and a groove is formed in the top end of the supporting plate. A fixing column is fixedly connected to the bottom end of the supporting plate, a rubber pad is fixedly connected to the top end of the supporting plate, a fixing frame is fixedly connected to the outer side of the water storage tank, a water inlet is fixedly connected to the top end of the water storage tank, and a baffle is fixedly connected to the middle of the interior of the water storage tank. Through the arrangement of the vehicle body, the fixing groove, the spring, the supporting plate, the fixing column and the rubber pad, the impact force of the water storage tank on the vehicle body can be reduced, the vehicle body is protected, meanwhile, the water storage tank is also protected, and the situation that water in the water storage tank shakes and greatly impacts the vehicle body and the water storage tank in the driving process on a bumpy road section is avoided.

The invention discloses a pyramid type thermal assembly efficacy skin care nanoparticle based on DNA nucleic acid and application thereof. According to the invention, skin-care active components are loaded into a nucleic acid framework in a thermal assembly innovation mode to obtain a'pyramid-shaped 'functional skin-care nano system, and the embedding rate, stability, infiltration capacity and bioavailability of the system are improved. According to the invention, four sections of nucleotide single chains with the length of 59 basic groups are designed as a tetrahedral framework sequence, so that the synthesis cost is reduced. According to the invention, a blending autonomous thermal assembly mode is developed to load skin-care active substances into a tetrahedral frame to prepare a'pyramid-shaped 'functional skin-care nano system, so that the embedding efficiency of the skin-care active substances is improved. Whitening active substances are wrapped, zebra fish experiments prove that the pyramid-shaped functional skin care (whitening) nanoparticles can more remarkably inhibit melanin synthesis and relieve and improve skin melanin pigmentation, and meanwhile, the system is proved to have a functional skin care effect.

A solid carrier fairing that can resist pulsating pressure under large cone angles includes: an end, a front cone section, a column section, an inverted cone section, a segmented longitudinal separation structure, a combined exhaust structure, and a bolt box docking frame combined structure. The end, front cone section, column section, and inverted cone section are all column structures formed by combining two half-covers, which are connected to the segmented longitudinal separation structure internally, and the end, front cone section, column section, and inverted cone section are connected in sequence through end faces to form a solid carrier fairing structure. The segmented longitudinal separation structure is used to make the solid carrier fairing structure complete before separation, and after separation, the solid carrier fairing is changed into two half-covers to ensure normal separation of the fairing; a combined exhaust structure and a bolt box docking frame combined structure are provided at the tail end of the inverted cone section to avoid the exhaust structure from affecting the internal noise. The combined exhaust structure is used to balance the pressure difference between the inside and outside of the fairing during the flight of the solid carrier rocket, and the bolt box docking frame combined structure is used to connect and carry the fairing and the control cabin.

The invention discloses deep underground water quality on-line monitoring equipment, and belongs to the technical field of water quality monitoring equipment. In order to solve the problem of low detection efficiency of the existing product, the invention provides the following technical scheme: the device comprises a monitoring cabinet, a touch display screen, and a cross beam, a water pump, a control unit and a water quality monitoring unit which are arranged in the monitoring cabinet. The detection mechanism arranged in the water quality monitoring unit is matched with the driving mechanism to sample and detect water resources entering the monitoring pool, and the detection assembly in the detection mechanism intercepts the water resources in a small space, so that the standing time of the water resources before detection is shortened; the water resource detection efficiency is further improved through mutual switching type adjustment among the multiple detection assemblies, frequent start and stop operation of the water pump is not needed, the service life of the water pump is prolonged, configuration of a control valve is avoided, the equipment cost and configuration of related control programs are reduced, and equipment popularization is facilitated.

The invention relates to a constant-temperature type ultra-clean bubbler and a control method thereof, and relates to the technical field of mixing equipment, the bubbler comprises a bubbling tank, the open end of the bubbling tank is connected with a sealing cover, the sealing cover is provided with a liquid inlet pipe, an air inlet pipe and a discharging pipe, the liquid inlet pipe and the air inlet pipe both extend into the bubbling tank, and the discharging pipe is connected with the bubbling tank. The liquid inlet pipe, the air inlet pipe and the discharging pipe are all communicated with the bubbling tank; one end of the air inlet pipe is communicated with a bubble generator; a heat preservation mechanism is arranged on the outer side of the bubbling tank and comprises a heat preservation tank, the bubbling tank is sleeved with the heat preservation tank, and a sealing cover is arranged at the opening end of the heat preservation tank and seals the opening end of the heat preservation tank; a heat preservation interlayer is formed between the inner wall of the heat preservation tank and the outer wall of the bubbling tank, and a first pipe and a second pipe are arranged on the sealing cover and both communicated with the heat preservation interlayer. The heat preservation mechanism is arranged on the outer side of the bubbling tank and is difficult to damage, the heat preservation effect of the heat preservation interlayer on the raw material liquid can be guaranteed, and then the efficiency of taking away the raw material liquid by gas is improved.

The utility model provides a foldable surveying and mapping marker post, belongs to the technical field of engineering surveying and mapping, and aims to solve the problems that the existing surveying and mapping marker post is fixed by using a spine structure, is not stable enough to fix and support on cement, asphalt and other planes due to the need of being matched with a support, and is easy to topple over in a soft soil region to influence the positioning accuracy. Comprising a telescopic marker post body. The fixed base is connected to the tail end of the telescopic marker post main body through threads; the three sets of supporting plates are arranged, and the three sets of supporting plates are hinged to the bottom of the fixed base; the three sets of connecting rods are arranged, and the three sets of connecting rods are hinged to the upper portion of the fixed base; the storage cylinder is welded in the three groups of supporting plates; the supporting and folding assembly is arranged on the outer side of the fixed base; and the auxiliary fixing assembly is arranged in the storage cylinder. The support device has the advantages of being stable in supporting, capable of keeping vertical, convenient to carry and the like.

The utility model discloses a six-arm type inspection robot capable of realizing single-line and double-line switching inspection, which comprises a robot body, and three primary line changing wheel discs are sequentially arranged on the robot body from front to back at intervals; two front movement mechanisms capable of independently rotating are arranged on the first-stage wire changing wheel disc at the front end; two self-power-taking mechanisms capable of independently rotating are arranged on the middle first-stage wire changing wheel disc; two rear movement mechanisms capable of independently rotating are arranged on the first-stage wire changing wheel disc at the rear end; the front movement mechanism, the self-power-taking mechanism and the rear movement mechanism are all connected to the overhead line in a suspended mode, and the front movement mechanism, the self-power-taking mechanism and the rear movement mechanism which are horizontally arranged on the same side are connected to the same overhead line in a suspended mode and can rotate synchronously when the overhead line is switched. According to the utility model, on-line real-time switching can be carried out, line obstacle crossing inspection of a single line and a part of split conductors can be completed, and the requirement of an inspection robot on the number of specific lines can be reduced.

The invention discloses a liquid rocket engine thrust chamber with a lattice regenerative cooling structure and a design method thereof, and belongs to the field of engines, and the design method comprises the following steps: determining the overall structure of the liquid rocket engine thrust chamber according to the project general situation; determining the lattice regenerative cooling structure as a truss lattice structure, selecting the truss lattice structure, and determining a layout mode; designing the determined three-dimensional model of the thrust chamber by using computer aided design software; exporting the three-dimensional model as an STL (Standard Template Library) file, and representing the surface of the three-dimensional model by using triangular grids by the STL file, so as to facilitate subsequent 3D printing treatment; and performing selective laser melting and printing to form a thrust chamber product, and performing post-treatment after printing is completed. The lattice regeneration cooling structure is directly arranged between the inner wall and the outer wall of the thrust chamber, so that the weight is greatly reduced, the effective heat transfer coefficient of the cooling channel is increased, the strength of the inner wall and the cooling channel is improved, and the service life of the thrust chamber is prolonged.

The invention discloses a device for simulating utilization of carbon dioxide-hydrocarbon mixed gas to improve shale oil huff and puff recovery efficiency, which comprises a main branch, and the main branch is provided with a first auxiliary branch, a second auxiliary branch, a third auxiliary branch and a fourth auxiliary branch. The main branch is provided with a first auxiliary branch, a second auxiliary branch, a third auxiliary branch and a fourth auxiliary branch which are all arranged in the constant-temperature box, the first auxiliary branch is used for simulating saturated simulation oil entering a rock core, the second auxiliary branch is used for simulating preparation of CO2-hydrocarbon mixed gas, the third auxiliary branch is used for simulating well opening production, and the fourth auxiliary branch is used for simulating oil gas entering the rock core. And the fourth auxiliary branch is used for simulating the confining pressure on the rock core. By means of the device, the compressibility of CO2 in the early stage of huff and puff can be improved, the miscibility of CO2 and simulated oil in the later stage of huff and puff can be enhanced, then the dissolved gas drive effect is fully played, the carrying capacity of CO2 on crude oil in a pore throat is improved, meanwhile, the competitive adsorption capacity of CO2 in organic matter can be improved by adding propane, and therefore the recovery efficiency is improved.

The invention relates to the technical field of new energy vehicle motor controllers, in particular to a motor controller and a motor control system. The motor controller comprises a capacitor unit, a power unit, a driving unit, a control unit and a built-in shell; the capacitor unit is encapsulated in the built-in shell; the power unit and the driving unit are integrated on a power substrate assembly, and the power substrate assembly is fixed to the outer side of the built-in shell and electrically connected with the capacitor unit. The control unit is integrated on a control substrate, and the control substrate is electrically connected with the power substrate assembly. According to the motor controller and the motor control system, the problems that all parts of a traditional motor controller are independently packaged, the size and weight are large, the power density is low, the cost is high, and the requirement of a high-performance whole vehicle cannot be met are solved.

The invention discloses an underwater glider, and belongs to the field of underwater robots. According to an existing underwater glider, the trim angle of the existing underwater glider needs to be adjusted through a configured posture adjusting device to obtain forward thrust, so that the carrying capacity of the underwater glider is weakened, and meanwhile posture adjustment is subjected to the nonlinear coupling effect of hull dynamics and fluid dynamics; the change of the attitude of the underwater glider has strong unpredictability and hysteresis, and a great challenge is brought to accurate control of the gliding speed of the underwater glider and the like. The underwater glider comprises a main boat body, a floating and sinking adjusting mechanism and two wing plates, the two wing plates are symmetrically arranged on the two sides of the main boat body, the floating and sinking adjusting mechanism is installed in the main boat body and used for controlling floating or sinking of the underwater glider, the underwater glider further comprises two wing plate posture adjusting units symmetrically installed in the main boat body, and each wing plate posture adjusting unit is connected with one wing plate. And the attack angle and / or the sweepback angle of the wing plate can be adjusted when the underwater glider dives, so that the multi-attitude movement of the underwater glider is realized.

A power chip, a driving circuit, a discharging unit and the like are integrated through a PCB, the motor controller is divided into an upper cavity and a lower cavity, the middle of the motor controller is of a water channel structure, the power chip board is placed in the upper cavity in a shell attaching mode, a capacitor and filter assembly is encapsulated in the lower cavity, a cavity is formed in the center of an inverter, and the power chip board is arranged in the cavity. And integration with a motor is facilitated. The form stray parameter of the power integrated board card is lower, stepless power expansion is more convenient to realize, and high performance is further realized; meanwhile, due to high integration, the size and the weight are lower, high power density can be achieved, the whole vehicle carrying performance is improved, the process is complex and the transportation cost is high in the mode that original independent parts are produced in various places and then connected through bolts in an assembly factory, the motor controller and the motor can be produced in one place in a concentrated mode, the production process is simplified, and the material cost is lower. The motor controller and the motor are axially installed, the surface area of the motor controller is reduced, the size is reduced, and whole vehicle carrying is facilitated.

The application discloses a corner tower climbing bionic robot, which comprises a main machine, symmetrical double feet, a steering mechanism and a multi-stage telescopic arm. The feet are provided with L-shaped slot clamping claws and pressure sensors, so that the corner steel can be stably gripped in a cladding type force closed mode. The posture is adjusted through the cooperation of a rolling and yawing steering engine and a screw rod drive, and the self-adaptive centering and reliable clamping are realized in combination with pressure feedback. The whole adopts inchworm gait to realize continuous climbing and crossing between the main material and the cross arm, has multi-degree-of-freedom space motion capability and good obstacle crossing performance, and can be used for corner steel tower inspection and maintenance operation, thereby effectively reducing the risk of manual high-altitude operation.

The utility model discloses an aluminum plate transfer device which can meet the requirement for carrying aluminum plates at different distances and is simple and convenient to carry the aluminum plates. The aluminum plate transfer device comprises a moving trolley body, and a rotating disc is arranged at one end of the moving trolley body; a first vertical telescopic device is arranged on the turntable; a storage frame is arranged at the other end of the moving trolley body; a lifting block is arranged at the upper end of the first vertical telescopic device; a first transverse telescopic device is arranged on the lifting block; a mounting block is arranged on a telescopic rod of the first transverse telescopic device; an air pump is arranged above the mounting block; a second vertical telescopic device is arranged below the mounting block; a sucking disc is arranged at the lower end of the second vertical telescopic device; a control box is arranged on one side of the storage frame; and a rechargeable storage battery is arranged on the other side of the shell. By the adoption of the aluminum plate transfer device, operation can be simplified, transfer efficiency is improved, and cost is reduced.

The invention relates to the technical field of chemical mechanical polishing, in particular to a cell-controllable wear-resistant acid-alkali-resistant CMP polishing cushion and a preparation method thereof.The preparation method comprises the following steps that S1, after base cloth is soaked in an acid-alkali swing soaking material to be pretreated, the base cloth is coated with polyurethane slurry, and then the base cloth is dried to obtain the cell-controllable wear-resistant acid-alkali-resistant CMP polishing cushion; then immersing the base cloth into a coagulating bath so that the polyurethane slurry on the surface of the base cloth is coagulated to form a polyurethane coating, forming regular and orderly vertical foam holes from the surface of the coating to the interior of the coating, and washing, drying and polishing to obtain a base; s2, soaking the base into the bridging organic silicon sol, taking out, hanging upside down and horizontally standing, drying the sol to form bridging organic silicon gel, washing with water, and drying to obtain the wear-resistant acid and alkali-resistant CMP polishing cushion with controllable cells; the polishing cushion obtained through the method is uniform in foam hole distribution, good in polishing solution carrying capacity and polishing stability and good in abrasion resistance and acid and alkali resistance, and meanwhile the service life can be prolonged.

The invention discloses a multi-web rocket instrument cabin, which belongs to the technical field of carrier rockets, and comprises an instrument cabin skin, webs and an engine frame for fixing an engine, the instrument cabin skin is of a cylindrical structure with two open ends; an inner cavity of the instrument cabin skin is a mounting cavity; the web plate is fixedly arranged in the mounting cavity and is fixedly connected with the inner wall of the instrument cabin skin; and the engine frame is fixedly arranged in the instrument cabin skin through the web plate. On the premise of providing enough mounting interfaces, the light weight of the instrument cabin is realized, and the carrying capacity of a rocket is improved.

The embodiment of the invention provides a detection system, a detection method and a carrier rocket, and relates to the technical field of carrier rockets. The detection system comprises a pressurizing device which is used for being connected with the inlet of the storage tank in a first detection stage, applying the pressure in the storage tank to a first preset pressure and keeping the pressure for a first preset time; the bearing tool is used for being fixedly connected with a front box bottom structure of the storage box and at least partially making contact with or partially attached to the front box bottom structure, so that in the second detection stage, the pressurizing device applies the internal pressure of the storage box to second preset pressure and keeps the second preset pressure for second preset time; the first preset pressure is the detection pressure of the front box bottom structure meeting the design requirement, and the second preset pressure is the detection pressure of the rear box bottom structure of the storage box meeting the design requirement. According to the embodiment of the invention, pressure detection is carried out on the front box bottom structure and the rear box bottom structure according to different pressure loads needing to be borne by the front box bottom structure and the rear box bottom structure in practical application, and the accuracy of pressure detection of the storage box is ensured.

The utility model discloses a multifunctional life support bag, including main bag, the one side of main bag is provided with the expansion package, be provided with fixed establishment between main bag and expansion package, the fixed establishment includes expansion frame, through -hole, connecting rope, the expansion frame is fixedly arranged on the outer side surface of main bag, the both sides of expansion frame surface all are established with through -hole, the expansion package surface is fixedly arranged with connecting rope, the middle part of connecting rope is provided with the trigger mechanism for controlling the break of connecting rope, the trigger mechanism includes the clamping block, the connecting block, the buckle, the plectrum, one end of connecting rope is fixedly provided with the buckle. The utility model discloses can expand main bag according to need to can significantly improve the carrying device's ability of this device, and when needing to use the device of carrying, the staff also need not slowly to find the buckle disassembly, only need to pull up with force, can make main bag and expansion package separate automatically to can save time for rescue.

The utility model relates to the technical field of vehicle driving devices, in particular to a novel hybrid power assembly driving device, which is characterized in that an engine device is fixedly connected with the input end of a torsion damper device, the output end of the torsion damper device is fixedly connected with a planet carrier component of a power dividing device, and a clutch device is arranged on a sun gear of the power dividing device; the clutch device is connected with a generator device; a gear ring output shaft of the power dividing device and a driving motor input shaft of the driving motor device are connected with a gear mechanism device; a main reduction driven gear and an output device are connected to the differential device, the main reduction driven gear is meshed with the gear mechanism device, and gear shifting adjustment is conducted on the gear mechanism device through the synchronizer power gear shifting device. The synchronizer power gear shifting device is located at the engine end so that gear shifting smoothness can be better achieved, and abrasion can be reduced due to the fact that the synchronizer power gear shifting device is arranged on the middle shaft; the whole structure is novel, the layout is compact, the occupied space is small, and the whole vehicle carrying performance is higher.

The invention provides an image-text retrieval method and device, equipment, a storage medium and a program product, and is applied to the technical field of computer vision. The method comprises the following steps: acquiring an image description text, and determining a candidate image set based on the image description text; dividing the candidate images in the candidate image set into a plurality of class clusters, and determining a representative image of each class cluster; generating N scene questions according to the representative image, and determining scene answers of the N scene questions in a form of interactive questions and answers with a user; generating a scene graph based on the scene question, the scene answer and the image description text; performing similarity retrieval based on the scene graph, the scene question, the scene answer and the image description text to obtain a target image; wherein N is an integer greater than 0.

The invention provides a separation assembly, a fairing and a carrier rocket, and relates to the technical field of carrier rockets. The separation assembly is arranged in the fairing and close to the top of the fairing, and the separation assembly comprises a first separation structure used for being rotationally connected with a first cover body of the fairing; the second separation structure is used for abutting against or being rotationally connected with a second cover body of the fairing; when the first cover body and the second cover body are closed, the elastic piece is in a compressed state, and the two ends of the elastic piece abut against the first separation structure and the second separation structure correspondingly; when the first cover body and the second cover body are opened, the elastic piece extends to push the first separation structure and the second separation structure to relatively move by a preset distance or be completely separated so as to push the first cover body and the second cover body to be separated. The separation assembly is arranged in the fairing and close to the top of the fairing, the load space is not occupied, the carrying capacity of the rocket can be effectively improved, and the separation mode is simple and reliable.

The application relates to a rapid flow tank with separated soil. The application is suitable for the technical field of water conservancy projects. The application aims to provide a rapid flow tank with separated soil. The application adopts the technical scheme that a rapid flow tank with separated soil comprises the following: a first tank body, an inner top portion of which is provided with a flow channel capable of guiding and draining water; a second tank body, which is arranged at the end of the first tank body along the flow direction of the guided and drained water, and the inner top portion of the second tank body is provided with a flow channel capable of receiving the guided and drained water; a gap is arranged at the joint of the second tank body and the first tank body; the elevation of the flow channel of the second tank body is lower than that of the flow channel of the first tank body, so that the guided and drained water in the first tank body can naturally flow into the second tank body under the action of gravity; a collecting box is arranged at the adjacent side of the second tank body at the gap, and can collect sundries in the guided and drained water; and a filtering assembly is arranged at the gap, and can separate the sundries in the guided and drained water and convey the sundries into the collecting box.

The invention discloses a carrier rocket trajectory safety margin design method based on calibration test run parameters. The carrier rocket trajectory safety margin design method comprises the steps that the maximum safety margin x01 of a cluster binding level is estimated; performing equal-interval value taking in an interval of [0, x01] to obtain a safety margin value of a group of cluster binding stages; acquiring a reference trajectory corresponding to each cluster binding level safety margin value, performing targeting simulation based on the reference trajectory, and determining an optimal value of the cluster binding level safety margin value; estimating the maximum safety margin x02 of the second level; performing equal-interval value taking in the interval of [0, x02] to obtain a group of secondary safety margin values; and S3, obtaining a reference trajectory corresponding to each secondary safety margin value based on the optimal value of the cluster binding level safety margin value obtained in the step S3, performing targeting simulation based on the reference trajectory, determining the optimal value of the secondary safety margin value, and further obtaining the optimal value of the tertiary safety margin value. According to the method, the optimal distribution of the safety margins of all levels of the clustered carrier rocket can be realized, so that the carrying capacity is maximized.

The embodiment of the present application discloses an alcohol body and a preparation method, use and skin care product, and the preparation method can be used to enhance the protection of the encapsulated object. The preparation method comprises: mixing glyceryl monooleate and poloxamer 407 at a first temperature, and then cooling to a second temperature to obtain an ester capsule material, wherein the first temperature is greater than the second temperature; obtaining an alcohol mixture containing a short-chain alcohol and an encapsulated object; mixing the alcohol mixture and the ester capsule material to obtain an ester alcohol mixture; adding water to the ester alcohol mixture for hydration treatment to obtain a hydration liquid; homogenizing the hydration liquid to obtain an alcohol body homogenous liquid containing alcohol bodies.

The utility model discloses a tool plate for drawing surveying and mapping, which relates to the field of surveying and mapping and comprises a first plate body, one side of the first plate body is connected with a second plate body through a hinge, and the top of the first plate body and the top of the second plate body are respectively provided with a paper pressing assembly. The paper pressing assembly comprises two first rotating shafts arranged at the tops of the first plate body and the second plate body through bearings, and the outer walls of the first rotating shafts are sleeved with first rotating plates. By arranging the paper pressing assembly, when a drawing needs to be pressed, a user can firstly screw the bottom end of a first limiting screw rod into a first rotating shaft and then screw the bottom end of a second limiting screw rod into a second rotating shaft, at the moment, the user can pull a pull rod upwards to enable a pressing block to move upwards, and meanwhile a first rotating plate or a second rotating plate is rotated; and when the pressing block rotates to the edge position of the drawing, the user loosens the pull rod, and at the moment, the reset spring is stretched to push the pressing block to move downwards, so that the pressing block presses the drawing.

The invention belongs to the technical field of vertical underground garages, and discloses a method for efficiently transferring automobiles by utilizing a multi-path circulating elevator system in a vertical garage, according to the method, two groups of back-to-back circulating elevators are arranged in the middle of a segment shaft, and each circulating elevator comprises two groups of chain wheels arranged up and down, a crawler chain, a guide mechanism and a plurality of open type lift cars; the open type lift cars are fixed to the crawler chain at intervals, and a car carrying platform of each open type lift car is composed of a plurality of bearing rods arranged at intervals. A horizontally-moving type vehicle extracting platform arranged on the parking layer is provided with a grid platform, the grid platform can move forwards to the ascending or descending path of the open type lift car, and a vehicle carrying platform can pass through gaps of the grid platform and extract vehicles from the grid platform in an ascending mode or transfer the vehicles to the grid platform in a descending mode. The multi-way circulating elevator system has the advantages that by adopting the multi-way circulating elevator system, multi-car vehicle carrying without stopping rotating can be achieved, and the carrying capacity and efficiency are improved.

This utility model discloses an elevator call device based on Time-of-Flight (ToF) technology, belonging to the field of elevator control equipment technology. It includes a housing with a sensor window extending through its front end and a projection window extending through its front end near the upper edge. This utility model, through the cooperation of a projection display module and a ToF sensor module, fundamentally eliminates direct contact between the user and the device surface using non-contact ToF technology. Compared to traditional contact-based elevator call devices, it effectively reduces the transmission routes of bacteria and viruses, significantly lowering the risk of cross-infection between patients. In places with high population mobility, it provides users with a safer and healthier elevator environment, meeting the growing demand for public health and safety.

The application discloses a kind of aircraft thermal management system and method based on chemical storage CO2 in technical field, including the storage tank for storing chemical reaction agent and the active thermal protection system being arranged in the head of aircraft;The storage tank is communicated with water body and the active thermal protection system respectively by water pipe and gas pipe, first throttle valve and second throttle valve are respectively arranged on the water pipe and the gas pipe;When the first throttle valve is opened, water can be injected into the storage tank to react with chemical reaction agent to release low-temperature CO2;When the second throttle valve is opened, the storage tank can deliver CO2 to the active thermal protection system;The active thermal protection system is used to accelerate the ejection of CO2, to form cooling gas film on the outer surface of aircraft, protect and cool aircraft.