53results about How to "Efficient transport" patented technology

The application provides a high-nickel ternary material modification method and a high-nickel positive electrode material with a nitrogen-oxygen coating layer, and relates to the field of lithium ion batteries. In the high-nickel ternary material, surface lattice oxygen is gradually replaced by nitrogen atoms in a high-temperature long-time calcination process in a nitrogen-oxygen mixed atmosphere, so that a nitrogen-oxygen layer is formed on the surface, which is beneficial to the delocalization of electrons, thereby endowing the material with excellent electronic conductivity; meanwhile, the presence of the nitrogen-oxygen layer inhibits the transformation of the surface layer structure into a rock salt phase structure, which is beneficial to realizing efficient ion transport. The formation of the nitrogen-oxygen layer on the surface of the high-nickel ternary material can simultaneously improve the electronic and ionic conduction of the surface of the high-nickel positive electrode material, inhibit the interface side reaction, relieve the volume change, and thereby improve the cycle stability of the battery.

The utility model discloses a forward stacking aluminum ingot which comprises an aluminum ingot body, a protruding plate is arranged in the middle of the upper surface of the aluminum ingot body, a first groove is formed in the middle of the upper surface of the protruding plate, and a second groove distributed corresponding to the protruding plate is formed in the middle of the bottom of the aluminum ingot body. Protruding blocks distributed corresponding to the first grooves are arranged in the middles of the bottoms of the second grooves, inserting columns are arranged at the four corners of the upper surface of the aluminum ingot body, and inserting holes are formed in the four corners of the bottom of the aluminum ingot body. The upper aluminum ingot and the lower aluminum ingot can be firmly meshed together through the matching between the concave edge and the convex edge, the matching between the convex plate and the second groove, the matching between the convex block and the first groove and the matching between the insertion column and the insertion hole, so that the stacking stability and reliability are ensured, the orderly stacking of the upper aluminum ingot and the lower aluminum ingot can be effectively ensured, and the production efficiency is improved. And the phenomenon of loosening and collapsing caused by deviation between the upper aluminum ingot and the lower aluminum ingot is avoided.

The utility model provides a kind of automation jellyfish filters, sterilization equipment, it is related to jellyfish field. Including main support and support platform, the top of support platform is fixedly connected with inlet conduit, the inner wall of inlet conduit is inserted with liquid storage bin, the bottom of support platform is fixedly connected with DC motor one, the output shaft of DC motor one is fixedly connected with force disc, the top of force disc is rotatably connected with force cam, force cam is slidably connected in the inner wall of stress linkage plate, the side of stress linkage plate is fixedly connected with blockage platform. The application is set through support platform, inlet conduit, liquid storage bin, DC motor one, force disc, force cam, stress linkage plate, blockage platform, liquid passage, can reach the purpose of accelerating dirty sedimentation efficiency, solve the mode of natural sedimentation dirt, the problem of too low efficiency, greatly improve practical effect, and the flow of chemical liquid can be controlled, avoid waste phenomenon.

The utility model belongs to the technical field of boom tunneling machine, concretely relates to a kind of discharging structure of boom tunneling machine, including shovel, is equipped with sweep material disc on the shovel, and sweep material disc rear is equipped with material conveying belt, and the end of shovel is equipped with sweep material device, and the sweep material device includes shaft, and the shaft is through rotating sleeve and is fixedly connected with rotating sleeve, and the shaft bottom end outer wall is connected with driven wheel.This discharging structure of boom tunneling machine, when tunneling machine operates, sweep material rod rotates under the transmission of shaft, can push the broken material scattered on the outer wall of shovel into shovel quickly, avoid broken material accumulation to affect tunneling.It is followed that sweep material disc relay transports the broken material in shovel to material conveying belt, realizes broken material efficient transfer.This double-effect cooperation significantly widens sweep material range, greatly improves the discharging efficiency of tunneling machine, effectively reduces the operation obstruction caused by broken material accumulation, effectively guarantees tunneling operation continuous, efficient.

The invention discloses a portable surveying and mapping device for geological mineral exploration, and belongs to the field of mineral surveying and mapping, the portable surveying and mapping device comprises a storage cylinder, the upper end of the storage cylinder is open, a pneumatic locking assembly is arranged on the inner side of the storage cylinder, and the pneumatic locking assembly comprises a flexible enclasping part and a mechanical triggering part; the flexible enclasping part comprises a supporting plate used for placing the machine base, the outer surface of the upper end of the supporting plate is fixedly connected with a pneumatic locking ring, the upper end of the pneumatic locking ring is fixedly connected with the inner surface of the storage barrel, and the pneumatic locking ring is in a circular ring shape and is located on the outer side of the machine base. According to the surveying and mapping device, the pneumatic locking assembly is arranged, the machine base is stored through the storage cylinder, in the carrying and moving process, the size of the surveying and mapping device can be reduced, the convenience of the surveying and mapping device in the carrying process can be improved, the machine base is buffered and protected through the pneumatic locking ring, and the protection effect on the machine base can be further improved; therefore, the probability that the surveying and mapping device is collided and damaged in the carrying and moving process is reduced.

The utility model relates to the field of lens manufacturing, in particular to an automatic sorting system for glasses orders. According to the scheme, the multiple conveying modules are spliced to form the conveying line, and continuous and efficient conveying of glasses orders is achieved in cooperation with the design that the conveying boxes can be magnetically attracted. The identification module is arranged close to the sorting module, identification information on the conveying box can be rapidly identified and immediately transmitted to the sorting module, and the response time of information processing and sorting actions is shortened. The identification module accurately reads identification information of the conveying box, and the sorting module performs accurate sorting according to the information, so that the problems of mistaken reading and mistaken taking easily caused by manual sorting are avoided.

This invention provides a method for preparing a complete-element organic water-soluble fertilizer from traditional Chinese medicine extracts, belonging to the field of fertilizer technology. The raw materials for preparing the complete-element organic water-soluble fertilizer, in addition to the traditional Chinese medicine extract, include molasses fermentation products, macro-elements, micro-elements, adjuvants, and ethylenediaminetetraacetic acid (EDTA). The addition of the traditional Chinese medicine extract enables the complete-element organic water-soluble fertilizer to achieve high quality and high yield when applied, resulting in higher crop yields and stronger disease resistance, overcoming the shortcomings of existing organic water-soluble fertilizers in terms of quality and yield. The traditional Chinese medicine extract is the key raw material, and its preparation involves extracting active ingredients from powders of Erythrina variegata leaves, Atractylodes macrocephala, Cnidium monnieri, and Centella asiatica. The preparation process incorporates enzymatic hydrolysis using cellulase and pectinase. Furthermore, this invention adjusts the timing of the traditional Chinese medicine additions and the extraction temperature to enhance the high-quality and high-yield effects.

This utility model relates to the field of transfer equipment technology, specifically disclosing a two-stage telescopic mechanism. The mechanism includes a fixed frame, a first lifting frame, a second lifting frame, and two drive units. The fixed frame includes two first male connectors. The first lifting frame includes a first frame plate, one surface of which is fixed with two first female connectors that slide in cooperation with the first male connectors, and the other surface of which is fixed with two second male connectors. The second lifting frame includes a second frame plate, one surface of which is fixed with two second female connectors that slide in cooperation with the second male connectors, and its bottom has a through-hole, with the two second female connectors located on opposite sides of the through-hole. One drive unit is fixed to the fixed frame and located between the two first male connectors, and the other drive unit is fixed to the first lifting frame and at least partially passes through the through-hole. This mechanism simplifies the specific structure, reduces the space occupied, and achieves precise transfer of products to be processed.

A load handling device (1) on tracks (5, 5') adapted to automatically transport a load (100) in a warehouse (200) provided with said tracks (5, 5'), and comprising: a base frame (6) to which wheels (10A, 10B, 10C, 10D) are rotatably connected, the wheels being adapted to allow the load handling device (1) to translate along the tracks (5, 5'); a first actuator device (61) for realizing the translation of the load handling device (1) along the tracks (5, 5'); an operating section (7) defining a temporary support surface (PA) for said load (100); a command and control unit (4) for the first actuator device (61); a charge storage unit (65) mounted to the base frame (6) and operatively connected to the command and control unit (4) to power thereto; and an electrical connector (8, 8'') for charging said charge storage unit (65). Furthermore, the connector moving system (9) is configured to move the electrical connectors (8, 8') to make electrical contact with a power source (50), and includes an energy storage unit (91) configured to store energy and an actuator system (93) configured to use the energy stored in the energy storage unit (91) to move the electrical connectors (8, 8'). A load handling system (300) and a method for handling loads include such a load handling device.

The utility model discloses a peanut processing finished product rapid packaging auxiliary device, and relates to the peanut processing technical field, the peanut processing finished product rapid packaging auxiliary device comprises a fixed frame, a transport device is fixedly connected in the fixed frame, the outer surface of the fixed frame is fixedly connected with a guide device, the guide device comprises a housing, and the housing is provided with a through hole. The inner walls of the two sides of the shell are rotationally connected with first rotating shafts, the outer surfaces of the first rotating shafts are fixedly sleeved with two first bevel gears, the outer surfaces of the first bevel gears are in meshed connection with second bevel gears, the top surfaces of the second bevel gears are fixedly connected with second rotating shafts, and the top ends of the second rotating shafts are fixedly connected with extrusion plates; through grooves are formed in the two sides of the fixing frame, two guide rods movably penetrate through the two sides of the fixing frame, the end portions of the guide rods are fixedly connected with limiting plates, one ends of the guide rods on the same side are fixedly connected with guide plates, and the peanut conveying device can guide peanuts and convey the peanuts to designated positions.

The application discloses a device for centralized collection and timely and full-amount pretreatment of household kitchen garbage in a community for biomass utilization, which comprises a frame, an inlet hopper, a shunting component, two stirring barrels, a cleaning assembly, two stirrers arranged in the stirring barrels, a supporting plate, two stirring core lifting components, an outlet hopper, a hard bone collection drawer, a hard bone sorting transmission assembly, a hard bone sorting driving assembly and an outer shell. The device can be used all day long, and can collect and pretreat the daily household kitchen garbage with small daily amount. In the pretreatment process, food residues are crushed, and organic matters on hard bones are stripped. Meanwhile, large hard bones which can cause damage to subsequent processing equipment for biomass utilization are separated and collected by controlling the solid size in the kitchen garbage slurry. After the large hard bones are removed, the kitchen garbage slurry flows into a slurry temporary storage pool, so that the centralized collection, timely treatment and full-amount resource utilization of household kitchen garbage are realized.

The utility model discloses a feeding device for multi-time injection molding linkage continuous production. The feeding device comprises a raw material feeding mechanism, a plurality of transfer stations and a driving mechanism for driving the transfer stations to operate along an annular track are arranged on the annular conveying mechanism, the bottoms of the workpieces are clamped and positioned on the transfer stations, and the raw material supply mechanism, the first injection molding mechanism and the second injection molding mechanism are in butt joint with the annular conveying mechanism through manipulators correspondingly; the second injection molding mechanism is in butt joint with the finished product conveying belt through a third mechanical arm. The mechanical arms are in butt joint with clamping fingers for material moving through adjusting mechanisms. The feeding conveying device can solve the problems that when an existing feeding conveying device layout mode is applied to a production line with many working procedures, occupied space is large, cost of the conveying device is increased, and in the production process, due to the fact that semi-finished products are prone to being accumulated on the conveying device, follow-up production working procedures are stopped, and production efficiency is reduced.

The utility model discloses a long-distance material lifting system of a heading machine, which solves the problem that the efficiency of transferring materials of the heading machine from the tail part of equipment to a host area is low under the working conditions of narrow space, long distance, small turning and large gradient in the prior art. The long-distance material hoisting system of the heading machine comprises a crane track arranged on a trolley, the crane track is connected to the top of the trolley through a flexible hoisting piece, and a movable crane is arranged on the crane track; the crane track is formed by hinging a plurality of short-distance track sections end to end. Compared with the prior art, the crane track formed by hinging a plurality of short-distance track sections end to end is matched with the flexible hanging piece to be connected to the top of the trolley, so that the two short-distance track sections can relatively swing and pitch within a certain range to adapt to the working conditions of small turning and longitudinal curve.

This utility model relates to the field of warehousing and transportation vehicle technology, and discloses a warehousing and transportation vehicle with guiding function, including a vehicle body, a guiding component at the bottom of the vehicle body, movable wheels fixedly installed at the bottom of the vehicle body, a lighting lamp installed at one end of the vehicle body, a heat dissipation plate fixedly installed at the other end of the vehicle body, and a vertical plate fixedly installed on the top of the vehicle body. The scanned goods are identified by a scanning control panel, and the vehicle automatically plans a route. An electromagnetic navigation board emits signals to automatically start the drive motor and stepper motor. The steering mechanism drives the rotating shaft to rotate, allowing the drive wheels to move. This enables the two drive wheels to drive the entire device to operate automatically inside the warehouse, reducing manual intervention. It can handle the inbound and outbound transportation, handling, and storage of goods, improving warehouse space utilization and logistics processing capacity, and increasing operational efficiency and accuracy.

This invention provides a lens core-taking device, comprising a lens supply mechanism, a lens transport mechanism, a lens transfer mechanism, and a lens core-taking mechanism arranged sequentially according to the processing steps. The lens transport mechanism includes a rotating block, a plurality of suction nozzles spaced apart on the rotating block, and a first driving component that drives the rotating block to rotate intermittently. The lens transfer mechanism includes a grooved plate, a clamping component that moves on the grooved plate, a second driving component that drives the clamping component to rotate, and a conveyor belt. The clamping component has a clamping state and a placing state when the grooved plate moves. The conveyor belt is positioned close to the clamping component in the placing state. The lens core-taking mechanism is located at the end of the conveyor belt. When the rotating block stops, the lens supply mechanism, the polishing fluid tank, and the clamping component in the clamping state are arranged sequentially near each suction nozzle. This invention can transport lenses more efficiently and avoids the situation where the lens core-taking mechanism is idle due to excessive time spent in the lens turnover process.

The utility model discloses a tea oil fruit unhulling device convenient to adjust gap relates to camellia oil processing equipment technical field, and present the following scheme is proposed, including support, the front end mounting of support has the broken material box, the top fixed mounting of broken material box has the pivot, the outside rotation of pivot is connected with the top cap, the top cap's top welds have the hopper, the front side of top cap is penetrated and has the bolt, the one side mounting of broken material box has the rotating mechanism, the inside connection of rotating mechanism has the rotating roller, the front side parallel of rotating roller is provided with the adjusting roller, the left and right sides symmetrical of broken material box are provided with the sliding frame, the front side rotation of sliding frame is connected with the tail end of adjusting lever, through setting adjusting lever, make adjusting lever can drive the sliding frame of end portion and go on the front and back translation along broken material box, to this control the distance between adjusting roller and rotating roller of middle part, can the dynamic adjustment of two rollers distance, adapt to different size's camellia fruit, improve the unhulling efficiency and reduce the kernel damage.

The present application relates to the technical field of image processing, in particular to a kind of based on machine vision's suction cup deviation rectification method and system.The method includes: according to the preset coordinate of stored target workpiece, move suction cup to preset position;Image of the target workpiece is collected, the center coordinates of the outline of the target workpiece are identified, and the center coordinates of the outline are converted target workpiece real center coordinates;The offset distance of preset coordinate and real center coordinates of target workpiece is obtained, if offset distance is less than threshold value, then directly carry out workpiece's grabbing;If offset distance is greater than or equal to threshold value, then calculate deviation rectification index, if deviation rectification index is greater than set threshold value, then the preset position of suction cup is rectified;Otherwise, directly carry out workpiece's grabbing;Deviation rectification index represents the situation that suction cup deviates from.It is that the scheme of the present application can more efficiently, reliably carry out deviation rectification when suction cup grabs workpiece.

The present application relates to the technical field of aviation equipment assembly manufacturing, and particularly relates to a high-efficiency transportation and precise assembly integrated system for aircraft communication cable. The system is characterized by comprising an automatic navigation system, a loading and transportation mechanism and a platform extension mechanism. The automatic navigation system comprises a return key, a device main frame, a reinforcing rib, an integrated control group, a function display lamp, an external anti-collision sensor, a bottom plate and a switch. The loading and transportation mechanism comprises a U-shaped handheld handrail arranged on the device main frame, four groups of independent suspension driving wheels, a multi-division format standard part box and a part box. The platform extension mechanism comprises a hinge, an auxiliary wheel, a measuring instrument, a rotating support, a folding table top, a fixed table top, a moving box door, a matched card box, a first-level fixed slide rail, a moving slide rail and a second-level fixed slide rail. Through deep integration and collaborative work of each system, a complete intelligent auxiliary installation device technical system is constructed, which provides important support for improving cable installation efficiency and quality.

The utility model discloses a folding quick-release device of a rescue stretcher, which comprises a first stretcher component and a second stretcher component connected with the first stretcher component through a pin shaft, a clamping plate component and a buckle plate are arranged on the first stretcher component, and a pipe component and a bent plate are arranged on the second stretcher component. When the wounded person needs to be transferred, the folding quick-release device can be unfolded, the stretcher can be quickly placed, and the wounded person can be stably and efficiently transferred; and the stretcher can be quickly disassembled after arriving at a destination, so that golden rescue time is furthest gained. Meanwhile, under the condition that a stretcher is not needed, the quick release device can be folded, space is saved, daily use is considered, and the universality of the vehicle is reserved.

The utility model provides a kind of laser positioning device of hoist and conveying line junction, it is related to equipment positioning device technical field, including integrated PLC controller and reflector, the side of integrated PLC controller is equipped with electromagnetic suction plate, the side of integrated PLC controller away from electromagnetic suction plate is equipped with laser receiver array board, the side surface of integrated PLC controller where laser receiver array board is located is connected with laser body by laser support.The utility model utilizes high sensitivity laser reflection and array receiving technology, combined with the rapid operation and control ability of PLC, realizes dynamic, real-time, high-precision spatial position closed-loop detection and automatic correction between hoist and conveying line, ensures that material can be smoothly, accurately and efficiently transferred at the handover point of the two, and alleviates the problems of large cumulative error, long adjustment time, easy collision or jamming and other problems existing in traditional mechanical limiting or manual visual positioning mode.

The utility model discloses a modular planting flower box based on metal plate buckle assembly, belongs to the technical field of metal gardening facilities, and realizes welding-free and screw-free quick assembly through a U-shaped clamping groove and an elastic locking mechanism which are formed by precise bending. The innovatively-designed four-layer composite stand column structure provides the bearing capacity larger than or equal to 150 kg / m, and the volume compression rate after folding reaches 85%. The method is suitable for various scenes such as household gardening and municipal greening.

This invention provides a high-efficiency and energy-saving pump station system, belonging to the field of pump station technology. It includes a pump station outer casing, pump station components, and a control cabinet. The outer casing is modularly designed, and the pump station components and control cabinet are installed in different modular casings at the factory. The system is then debugged and tested according to different pump station parameters to measure output water volume and power data. The modular casings are transported to the destination by truck and then assembled. Users can remotely view the working status data of the pump station components through a client application. This invention, by modularizing the pump station outer casing, makes the installation and transportation process more efficient. Traditionally, building a pump station takes approximately 45 days, but this invention allows for installation and construction to be completed in just two days, significantly improving efficiency. The standardized pump house and modular components enable rapid installation and commissioning.

This invention discloses an integrated automated production line equipment for inserting and unloading PCBs, comprising an inserting and unloading machine, a first inserting flybar, a second inserting flybar, and an inserting and unloading machine aligned with the inserting and unloading machine, arranged sequentially from the board infeed conveyor to the board return conveyor. The inserting and unloading machine has a first station and a second station, both arranged along a first direction. The inserts are conveyed to the first station for docking and then transferred to the second station to complete the PCB insertion and unloading operation. The first inserting flybar docks with the inserting and unloading machine to convey the inserts to the main line; the second inserting flybar transports the inserts from the main line to the inserting and unloading machine. This design achieves automated PCB insertion and unloading operations, realizing a fully automated electroplating process. Simultaneously, it features a stable structure, minimal human intervention, reduced labor costs, and no damage to the PCBs, resulting in high production efficiency.

The utility model relates to the technical field of energy storage cabinets, and particularly discloses a heavy energy storage cabinet which aims at solving the problems that an existing heavy energy storage cabinet is poor in structural stability and difficult to move, the heavy energy storage cabinet comprises a cabinet body, a base is arranged at the bottom of the cabinet body, and a plurality of forklift holes are formed in the base in a penetrating mode in the horizontal direction. A stabilizing assembly is erected on the inner side wall of the cabinet body and comprises an abutting plate and a connecting rod, the abutting plate is arranged in the vertical direction, one end of the connecting rod is movably connected with the inner side wall of the cabinet body, and the other end of the connecting rod is rotationally connected with one side face of the abutting plate. According to the heavy energy storage cabinet, through the arrangement of the base provided with the forklift holes, the stabilizing assembly and the like, efficient transportation can be conducted through a forklift in the actual use process, and it is kept that equipment such as batteries in the energy storage cabinet body is stable and safe.

This utility model relates to the field of low-voltage power distribution systems, specifically providing a base for a low-voltage power module, including a long frame and a wide frame. The long frame and the wide frame are arranged in pairs and enclose a rectangular frame. Multiple lifting shaft structures are evenly arranged on both sides of the rectangular frame along its length. The bottom surface of the rectangular frame is connected to the ground, and the power equipment is sequentially connected to the upper surface of the rectangular frame along its length. By setting up an integral rectangular frame, this utility model allows all the power equipment of the entire power module to be pre-installed on the rectangular frame and hoisted using the lifting shaft structures on the rectangular frame. This enables the rapid and efficient transfer of the entire power module, allowing the rectangular frame to bear the force and thus preventing damage to the power equipment during transportation.

The utility model relates to a half -open type double -suction impeller with high anti -blocking capacity, include: impeller, the symmetrical or asymmetric formula blade is set up on the impeller, the impeller adopts the impeller nut and is fixed on the pump shaft, the blade import edge is close to the impeller import, the import edge shape is the small curvature arc close to straight line, the impeller is centrifugal type double -suction impeller or is mixed -flow type double -suction impeller. The blade import edge is close to the impeller import and is in the distance smaller between the front and rear streamline, can strengthen the guiding action to solid particle, make solid particle, fibre and so on impurity more smoothly pass through the impeller flow passage, reduce the risk of jamming due to local accumulation. Make the blade import edge leading edge large -angle sweep to improve the impurity passing capacity and anti -winding capacity of the impeller, the export edge does variable wrap angle, makes the export edge on the same angle. The utility model half -open type double -suction impeller can effectively transport the medium with high solid content and larger solid particle or fibre and so on impurity.

The invention belongs to the technical field of photovoltaic inverters, and particularly relates to a heat dissipation channel guide plate assembly for a photovoltaic inverter, which comprises a bottom plate, an inverter is fixedly mounted at the top of the bottom plate, and a flow guide assembly and a clamping assembly are arranged on the two sides of the inverter; a heat dissipation assembly is arranged on the side, away from the inverter, of the fixing long strip. A soaking assembly is arranged at the top of the inverter; the flow guide assembly comprises a flow guide groove and a groove, and through the arrangement of the flow guide groove, the groove, a fixed long strip and a trapezoidal groove, air can be guided to the other side of the inverter through the bottom of the inverter when the air is blown to the inverter from the side face through the flow guide groove, and heat at the bottom of the inverter can be brought out when the air passes through the bottom of the inverter, so that the heat dissipation efficiency of the inverter is improved. Through the arrangement of the grooves, heat of the inverter can be conducted to the two sides, air flowing is facilitated, and the heat dissipation assembly can be conveniently and rapidly installed and disassembled through the cooperative use of the fixing long strips and the trapezoid-shaped grooves.

The invention discloses a centrifugal drive integrated micro-fluidic chip integrating LAMP (loop-mediated isothermal amplification) and CRISPR-Cas12b (clustered regularly interspaced short palindromic repeats) and application of the centrifugal drive integrated micro-fluidic chip, and relates to the technical field of biological chips and virus detection, and the centrifugal drive integrated micro-fluidic chip is provided by integrating nucleic acid extraction / purification, LAMP isothermal amplification and CRISPR-Cas12b specific detection in a single chip. By utilizing the chip, rapid, high-sensitivity, high-specificity and low-pollution detection of the EB virus EBNA1 gene is realized. The method is time-saving and labor-saving, the whole detection process can be completed within 45 minutes, professional operators are not needed, and the method has obvious advantages in detection speed and operability. The scheme has important application value for disease control field screening, rapid shunting of primary medical treatment and early warning and monitoring of tumor-related pathogens.

The application provides a path planning method for indoor navigation of intelligent trolleys, and the method comprises the following steps: continuously taking pictures of a production site in real time by using a UAV, splicing the pictures by using a server, converting the spliced pictures into a two-dimensional grid map, and sending the two-dimensional grid map to each intelligent trolley in real time; the intelligent trolley calculates a first navigation route by using an improved ant colony algorithm, and if there is an obstacle in front of the intelligent trolley, the intelligent trolley calculates a second navigation route or a third navigation route to the nearest temporary parking position, then waits at the temporary parking position and calculates a fourth navigation route. The application also provides an indoor navigation system for intelligent trolleys, which comprises a UAV, a UAV charging platform, an intelligent trolley, a transportation channel and a fixed parking position. The application adopts the UAV to take pictures in a cycle, so that the generated map has fewer dead points and the probability of collision is reduced, and the intelligent trolley, a network, a server and the UAV form a complete system, so that multiple intelligent trolleys can transport goods at the same time.