12406results about How to "Achieve fixation" patented technology

The invention discloses a transportation fixing device for an electricity meter and relates to the technical field of electric equipment. The transportation fixing device comprises an outer frame. A bottom plate is fixedly connected to the bottom of the inner wall of the outer frame. Bases are fixedly connected to the two sides of the top of the bottom plate. One sides of the two bases are rotationally connected with connecting rods. Top seats are fixedly connected to the top ends of the connecting rods. A top plate is connected to the tops of the top seats in a sliding manner. By means of the transportation fixing device for the electricity meter, the purpose of buffering the bottom of the electricity meter is achieved, the phenomenon that the electricity meter is damaged due to vibration in the transportation process is prevented, property losses are avoided, the electricity meter is better protected, the transporting efficiency is improved, the transporting cost is saved, the phenomenon that the electricity meter is impacted in the re-transportation process is avoided, damage to the electricity meter is avoided, the measuring precision of the electricity meter is ensured, later-period use is facilitated, and the phenomenon that the precision of the electricity meter goes wrong due to errors is avoided.

The invention provides a fixed-wing multi-shaft aircraft, and belongs to the field of aircrafts. The fixed-wing multi-shaft aircraft comprises a fixed wing and a multi-shaft rotor wing rack which are connected with each other, and the multi-shaft rotor wing rack is provided with multiple rotor wing mechanisms; the rotor wing mechanisms comprise propellers and rotating shafts, the propellers are rotatably connected with drive devices, the drive devices are fixedly connected with the rotating shafts, and the rotating shafts are connected with rotating control mechanisms. The fixed-wing multi-shaft aircraft has the advantages of both a fixed-wing aircraft and a multi-shaft aircraft, can achieve a multi-shaft mode, a fixed-wing mode and a fixed-wing and multi-shaft mixed mode and also has the advantages of achieving vertical taking-off and landing and hovering and being high in flying speed and long in flying time.

The invention relates to the field of connectors, in particular to a high-speed electric connector and a signal module thereof, and a molding method of the signal module. The high-speed electric connector comprises the signal module; the signal module comprises a contact part; a shield sheet is arranged on at least one side of the contact part; the signal module further comprises an insulator; and the insulator is molded on the contact part and the shield sheet in an injection molding manner to combine the contact part and the shield sheet. The insulator of the signal module of the electric connector is packaged on the contact part and the shield sheet in an injection molding manner, so that the firm degree of the signal module is strengthened and the problem that the signal module of an existing high-speed electric connector is easy to deform is solved.

The invention discloses a rock mass structural surface shear test method, which comprises the following steps of firstly, cutting a rock mass test piece into a cuboid and marking a vertical axis line and a horizontal axis line; then adjusting an adjusting rod, fixing the rock mass test piece by a movable steel baffle, enabling the vertical axis line of the rock mass test piece to coincide with the vertical axis line of a normal loading mechanism, enabling the horizontal axis line of the rock mass test piece to coincide with the horizontal axis line of a shear loading mechanism, and enabling the structural surface of the rock mass test piece to be located above the movable steel baffle; carrying out grading force application on the rock mass test piece by the normal loading mechanism from the vertical direction, and carrying out grading force application on the rock mass test piece by the shear loading mechanism from the horizontal direction; receiving the force application data of the normal loading mechanism and the shear loading mechanism and the displacement values of a normal displacement sensor and a horizontal displacement sensor by a computer, and analyzing and calculating the data. The invention also provides a rock mass structural surface shear test device. According to the invention, the stress bearing condition of a rock mass in the reality can be simulated, and test data are accurate and reliable.

The invention discloses a steel pipe outer wall oiling device which comprises a base, a shell, a pumping mechanism, a motor and a steel pipe fixing mechanism. The pumping mechanism comprises a rotaryplate, a connecting rod, a pushing rod, a cylinder body and a piston; an arc-shaped placement plate is arranged at the left end of the inner side of the shell; and a steel pipe fixing mechanism is arranged at the right end of the inner side of the shell, and comprises pressing plates, support rods, a sleeve, a rectangular through slot, first sleeve rings, second sleeve rings, a bi-directional threaded rod, a support side plate, a rotary plate and a second threaded sleeve. The steel pipe outer wall oiling device provided by the invention is novel in design; when the first sleeve rings move faceto face or opposite to each other under the action of the bi-directional threaded rod, the support rods drive the multiple pressing plates to spread or contract, so that a steel pipe can be fixed anddisassembled, and the convenience in use is realized; during the oil injection process, the steel pipe is driven to rotate so as to be oiled uniformly; and a collecting groove communicates with the pumping mechanism and is used for collecting and recycling redundant anti-rust oil dripped on the steel pipe and sprayed by a spray head.

The invention discloses a high-temperature mechanical properties testing system of tunnel lining structure, comprising fire thermal environment simulation subsystem; heat insulation subsystem; base and lining structure mechanical border simulation subsystem; loading subsystem, measurement subsystem; data acquisition subsystem; lining structure thermal border simulation subsystem. This tested system can better simulate characteristics of the tunnel fire (quick heating-up, high maximum temperature reached) and a variety of tunnel fire scenes; can simulate the thermal border condition of tunnel lining structure system and effect of surrounding soil, groundwater to components; can simulate the effect of formation resistance force to lining structure system; can impose a variety of loads- temperature conditions to lining structure system; can impose different displacement border conditions to lining structure system. The invention is safe, reliable, easy to use, with low failure rate, can meet the requirements of mechanical performance test of tunnel lining structure at high temperature (after high temperature).

The invention provides a hybrid type rapid direct current breaker, comprising: a main flow branch, a current transferring branch and an energy consumption branch. All are connected in parallel. The main flow branch comprises a rapid mechanical switch unit and a main branch sub-module unit. The two units are in series connection. The current transferring branch comprises valve module units in successive cascade connection with each valve module unit comprising a plurality of semiconductor modules in series connection. The energy consumption branch comprises energy consumption components in successive cascade connection. According to the invention, the design of the breaker structure is such a design featuring the electrical topology corresponding to modularization. This means that for the application requirement of different voltage grades, the structure can be expanded to do so. As the breaker adopts a single platform supporting structure, all functional units can be integrated onto the platform, therefore, making the equipment highly integrated, small in size, and strongly resistant to earthquakes. Highly reliable and flexible in structure, better electric compatibility can be achieved. With the breaker, it is possible to rapidly cut off the current in fault when the direct current system meets a fault.

A method for grinding on the plate object, especially the FPD glass substrate, features that the moving trace on the surface to be ground is programmed, and a novel loading-unloading technology for the plate object is used. Its grinder features that is grinding pressure and rotation speed is adjustable and its grinding mechanism can move longitudinally and transversely.

The invention relates to a safe type timber cutting machine with multiple cutting saw blades. The safe type timber cutting machine comprises a machine base and a cutting device arranged on the machine base. The cutting device comprises a plurality of cutting saw blades, a saw blade mounting rotary shaft and saw blade driving mechanisms, wherein the cutting saw blades are coaxially assembled, and the spacing between the cutting saw blades can be adjusted, the saw blade mounting rotary shaft is used for allowing the cutting saw blades to be installed on, and the saw blade driving mechanisms drive the cutting saw blades to rotate and are in drive connection with the saw blade mounting rotary shaft. The machine base is further provided with an automatic feeding device. The automatic feeding device comprises a feeding rack and a feeding driving mechanism, wherein the feeding rack is arranged in a moving and sliding mode in the rotating and cutting direction of the cutting saw blades, and the feeding driving mechanism drives the feeding rack. A plurality of timber fixing platforms are arranged on the feeding rack, the number and the positions of the timber fixing platforms correspond to those of the cutting saw blades. The timber fixing platforms are coaxially arranged. Timber cutting passages for allowing the cutting saw blades to enter and cut timbers are formed between the adjacent timber fixing platforms in a spaced mode. The spacing between the adjacent timber fixing platforms can be adjusted. Compared with the prior art, the safe type timber cutting machine with the multiple cutting saw blades can automatically feed the timbers and is more convenient and safer to operate.

The present invention relates to a graphene composite titanium dioxide photocatalyst capable of magnetic separation and recovery, and a preparation method thereof. The photocatalyst is synthesized by a two-step hydrothermal method, wherein graphene and magnetic particles are compounded to prepare magnetic graphene, the magnetic graphene is compounded with titanium dioxide nanoparticles synthesized by a hydrothermal method to prepare the three-element composite photocatalyst. The photocatalyst comprises three parts of the graphene, the titanium dioxide, and the magnetic nanoparticles, wherein the magnetic nanoparticles are loaded on the graphene lamellas to form the magnetic graphene having large specific surface area and magnetism, the rutile type titanium dioxide has a three-dimensional ordered nanostructure, and is loaded on the magnetic graphene lamellas to form the graphene composite rutile type titanium dioxide photocatalyst with the characteristic of magnetic separation, whereinthe photocatalyst has the large specific surface area, the nanoparticles have the magnetism, the photocatalyst can be separated and recovered, and has the efficient catalytic performance.

The invention discloses a rapid taking-off and landing device of an air vehicle. The rapid taking-off and landing device comprises an onboard device and a vehicle-mounted device, wherein the onboard device is arranged at the bottom of the air vehicle, and comprises a landing convex seat, an electric winch, a pulling rope, a cord weight, a dragging ball, a ball ejector, a photoelectric receiver and a taking-off and landing controller; the vehicle-mounted device is arranged at the top of a vehicle and comprises a landing concave ground, a ball falling hole, a locking device, a detection feedback device and a photoelectric transmitter; the landing convex seat of the onboard device and the landing concave ground of the vehicle-mounted device are in a funnel shape with an upward opening, and can be embedded and matched. The taking-off and landing controller can realize rapid and accurate capturing and dragging of the landing platform moving on the ground by the air vehicle according to a photoelectric signal state without human intervention, and the reliability of the taking-off and landing as well as the transportation and fixing of the air vehicle are guaranteed.

A touch panel and a touch liquid crystal display (LCD) using the touch panel are provided. The structure of the touch panel is directly formed on an upper polarizer instead of a glass substrate. Thereby, the process of integrating the touch panel and an LCD panel is simplified and the glass substrate of the touch panel is eliminated. Thus, the cost, the thickness and the weight of the touch LCD are reduced.

The invention relates to the field of assembly concrete buildings, in particular to a modified concrete superposition board floor structure with shear keys and a connection method. The produced floor can serve as a floor applied in the assembly concrete buildings. An original superposition board floor comprises cast-in-situ layers and precast bottom boards which are arranged up and down, the shear keys are arranged on the precast bottom boards, the precast bottom boards are connected with the cast-in-situ layers through the shear keys, and a firm combination structure is formed. Two lateral faces of the original precast bottom boards are changed into slopes, and the contact area between the original precast bottom boards and the cast-in-situ layers is increased; four lateral faces of the precast bottom boards are made to be rough surfaces, and the friction between the precast bottom boards and the cast-in-situ layers is increased; lap joint rebar grooves are additionally formed in two sides of each precast bottom board, and lap joint rebars are arranged in the lap joint rebar grooves, so that equivalent transfer of tensile stress of the rebars at the bottoms of the boards is achieved. Meanwhile, steel rods with threads at the ends are embedded in a precast beam and matched with fixing steel boards and fixing nuts for use, and the superposition board floor structure is connected to the beam. Firm connection between superposition board floor structures as well as between the superposition board floor structure and the beam is achieved effectively through the above measures.

The invention provides a liquid crystal display device which comprises a backlight module, a glue frame arranged on the backlight module and a liquid crystal display panel which is opposite to the backlight module and fixedly connected with the glue frame. The liquid crystal display panel is slightly shorter than the glue frame, and the liquid crystal display panel and the glue frame form a gluing region. The liquid crystal display device further comprises a first glue layer and one or more second glue layers, wherein the first glue layer is applied within the gluing region and bonded to the edge of the glue frame and the liquid crystal display panel so that the glue frame and the liquid display panel can be fixedly connected, and the second glue layers are applied to the first glue layer mode and have a shading effect. According to the liquid crystal display device, the gluing region is coated with the first glue layer so that the glue frame can be fixedly connected with the liquid crystal display panel, and the fixation function of the backlight module and the liquid crystal display module is achieved; besides, the first glue layer is coated with the second glue layers, so that the shading effect is achieved, and accordingly, the liquid crystal display device has a narrow frame and meanwhile has the shading effect.

The invention provides a megawatt wind power generation adjustable blade bearing friction moment numerical control testing machine and a testing method. The tested bearing outer ring is fixed on the machine rack; a main axis is equipped, one end of the bearing inner ring is fixed on the bearing inner ring, the other end is equipped with a radial and axial loading mechanism, in which the radial and axial load cylinder are separately pressured, and is equipped with variable-frequency motor of torque sensor, the driving pinion is meshed with the tested bearing inner ring, which form the loading and transmission system. The testing machine is determined by force analysis and analog loading principle, which is reasonable and reliable, and has simple structure and small size. The closed-loop numerical control system, which is composed of an industrial computer, a hydraulic pressure control member, a hydro cylinder, a feedback element and other components, can realize overall monitor, data collection, analysis, process, and number and graph double output; the size, direction, variation period of the load are accurate, the curves of the load output and friction torque are intuitive, the testing process is highly automatic. And the invention can be matched with manual adjustment. The machine is shutdown automatically if any failure happens. The test provides data support for the bearing wind turbines, which assures that the machine can meet the test need after loading.

The invention provides a slide rail tool free mounting frame for a server. The slide rail tool free mounting frame comprises a pair of frame positioning columns arranged on a slide rail back mounting frame and a frame floating hook. The frame floating hook includes a pair of hooks respectively arranged on a pair of wings which are respectively provided with slide guide sleeves and are in fixed connection through an 'arch door' shaped bending piece. The slide rail back mounting frame is fixed with two slide guide columns which are sleeved in the slide guide sleeves and are in fixed connection through limit screws. First return springs are arranged on the slide guide sleeves and between the wings and the limit screws. The slide rail back mounting frame also is provided with a floating pin hole used for placing a floating pin. One end of the floating pin is connected to the 'arch door' shaped bending piece through the limit screws, and the other end of the floating pin is a conical head arranged in the floating pin hole. Second return springs are arranged on the floating pin and between an end face of the conical head and the limit screws. According to the slide rail tool free mounting frame, the tool free installation of a slide rail for the server is realized, that an operator completes disassembly in front of a server frame is realized, a structure is simple, and operation is convenient.

The invention provides an inspection system and an inspection method of a valve hall robot based on a video monitoring linkage system. The inspection system comprises a linkage analysis control host, a communication server and an auxiliary fixed point monitoring subsystem; an inspection robot comprises a robot terminal system; the robot terminal system comprised a track; a moving mechanism, a motion driving mechanism and a detection mechanism are arranged on the track; the inspection system and the inspection method have the advantage that real-time unmanned detection requirement of valve hall equipment is met; by coordinating inspection of the robot with a fixed point camera, the problems that the monitoring range is limited and the geographic position of substation equipment is not convenient for arrangement of monitoring points are solved; the problems that the abnormality cannot be autonomously identified as well as intelligent linkage security and protection, firefighting and online equipment management system are solved; fires are monitored by using a mixing mode of a visible light video and a thermal infrared imager, so the fires can be reduced; according to the inspection system and the inspection method provided by the invention, by adopting double detection of the visible light video and an infrared thermal video, the false alarm rate of fire alarms is reduced, and the processing efficiency of the fire alarms is improved.

The invention discloses a cutting device for root-shaped traditional Chinese medicine, which comprises a push plate, a second rubber pad, a first rubber pad, a conveying device and a fan. The friction force between one end prevents one end of the medicinal material from sliding on the push plate, which affects the fixing effect of the medicinal material. At the same time, it protects the medicinal material and improves the practicability of the equipment. The second rubber pad further improves the The effect of fixing the medicinal materials is to save manpower by setting the conveying device to transport the cut medicinal materials to the top of the receiving funnel. After the medicinal materials fall into the receiving funnel, they further enter the air-drying box, and the fan is used to fan the air and pass through the inclined plate A number of through holes opened on the slant plate are used to preliminarily air-dry the medicinal materials on the inclined plate, thereby facilitating the subsequent processing and preservation of the medicinal materials, and improving the practicability of the equipment.

The invention provides a preparation method of graphene powder, relates to a preparation method of carbon structural materials, and solves the problem that the traditional preparation method of the graphene powder can not be easy to store and transport, simple in operation method, low in cost, continuous to produce and environment-friendly synchronously, and also solves the problem that the grapheme made by the present method has many defects and high energy consumption. The preparation method comprises the following steps: grinding and mixing to prepare the mixture powder of magnesium powder and carbonate powder; and burning and synthesizing the mixture powder, thus obtaining the graphene powder. The preparation method of the graphene powder provided by the invention has the advantages of being easy to store and transport, simple in operation method, low in cost, continuous to produce and environment-friendly; the prepared graphene powder is low in default, and is thinner; and the preparation method provided by the invention is suitable to be applied to industrially producing graphene.

The invention discloses a method for greening and restoring a hard side slope. The method comprises the steps of cleaning a slope surface, arranging an anchor rod, laying a galvanized wire mesh sheet,improving red sandstone into planting soil, laying a geomembrane, executing sowing, establishing an automatic irrigation system and executing operation and maintenance, wherein the red sandstone soillayers with different sandstone contents are improved by adding an improver, meanwhile spray heads are installed on a pre-buried spray system by utilizing an automatic control system, and planted plants are irrigated by using the spray heads. A sprinkling irrigation system can be automatically controlled according to temperature and humidity. The invention provides a hard slope greening restoration technology for improving red sandstone into planting soil. Long-term growth conditions are provided for vegetations, the ecological restoration requirements of a rock slope and a hard slope are met, slope protection greening planting plants are combined with a traditional vegetation concrete ecological-restoration technology, vegetation restoration and anchoring fixation are simultaneously carried out, and the vegetation growth on slopes and slope fixation can be better achieved.

The invention discloses an assembly machine for connecting wires of lower ends of infusion apparatuses. The assembly machine comprises a machine frame, on which a lower rotating disc is arranged. The lower rotating disc is connected with an upper rotating disc by means of a splitter. An adjusting box feeding mechanism, a guide pipe feeding mechanism, an adjusting wheel feeding mechanism and a filter dispensing feeding mechanism, located above the upper rotating disc, are fixedly connected to the lower rotating disc. A guide pipe material-storage mechanism is arranged on the machine frame. A guide pipe carrying mechanism capable of conveying guide pipes in the guide pipe material-storage mechanism to the guide pipe feeding mechanism is arranged above the guide pipe material-storage mechanism. Working stations, in butt joint with the adjusting box feeding mechanism, the guide pipe feeding mechanism, the adjusting wheel feeding mechanism and the filter dispensing feeding mechanism, are arranged on the upper rotating disc. The assembly machine for connecting wires of lower ends of infusion apparatuses is reasonable in design, simple in structure and high in degree of automation.

The invention discloses a test method and a test device for torsional composite fretting friction wear. The method comprises the following steps that: a, an upper test piece is clamped on an upper fixture connected with a six-axis force / moment sensor, and a lower test piece is clamped by a lower fixture, wherein the lower fixture is fixed on an inclined rotary motor (13) shaft; b, a data acquisition control system controls the upper fixture and the upper test piece to move up and down and move left and right to make the upper fixture and the upper test piece contact and keep a set normal load Fn, and the data acquisition control system controls a rotary motor and the lower test piece to rotate in set parameters; and c, the six-axis force / moment sensor measures a tangential force, namely a frictional force Ft, the frictional force Ft is sent to the data acquisition control system, and the curve of the frictional force Ft and a rotary angle displacement amplitude theta is obtained through analysis to represent dynamic characteristics of torsional composite fretting. By the method, composite fretting damage of a component in complex stress is more really simulated; the precision of control and test is high; the repeatability of experimental data is good; and the automation degree is high.

The invention provides a long grained seed steering precision seeding device comprising a plug conveyer belt, a directional seed delivering device, a directional seed dividing mechanism and an air-aspiration seeding mechanism, wherein the directional seed delivering device and the direction seed dividing mechanism are connected and are arranged at the same side of the plug conveyer belt; the air-aspiration seeding mechanism is arranged above the plug conveyer belt; a seed delivering slide way is arranged in the tangential direction of the edge of the directional seed delivering device; the seed delivering slide way and the directional seed dividing mechanism are connected; and the plug conveyer belt, the directional seed delivering device, the directional seed dividing mechanism and the air-aspiration seeding mechanism are fixed on a stand. The invention also provides a seeding method for realizing the seeding device; long grained seeds are delivered and absorbed into the hole of a plug respectively by the directional seed delivering device, the directional seed dividing mechanism and the air-aspiration seeding mechanism, thereby realizing precision seeding. The invention can provide seedlings with even germination and uniform cotyledon direction for melon crop full automatic engrafting devices and other equipment and has the advantages of high work productivity, stable work quality and the like.

The invention relates to a small-displacement reciprocating rolling friction abrasion test device. A plane sample clamp is fixedly connected below a cross beam of a hydraulic friction test machine by a tangential force sensor; a rolling sample clamp is positioned at the right side of the plane sample clamp and is fixed on a vertical column of a support frame; a bottom plate of the clamp support frame is connected on a hydraulic piston of the hydraulic friction test machine; the right side of the clamp support frame is provided with a normal force; a screw at the right side of the normal force sensor is connected on a support nut by threads, and the end part of the screw is connected with a rotating disc; the support nut is fixed on a work platform surface of the hydraulic friction test machine by a support seat; and a U-shaped connecting piece at the left side of the normal force sensor is sheathed on the vertical column of the clamp support frame. The small-displacement reciprocating rolling friction abrasion test device can simulate the friction abrasion between a plane sample and a rolling body more really and reliably, is convenient to microscopically analyze the test result, and has high degree of automation, simple and convenient operation, high accuracy of control and test and good repeatability of test data.

The invention discloses a silicon wafer fixing component, which comprises a plurality of vacuum absorption holes for absorbing silicon wafers, vacuum through holes for communicating the vacuum absorption holes and a plurality of concentric annular grooves for supporting the silicon wafer. The annular groove comprises a vacuum groove and an atmosphere groove arranged at interval in turn, the vacuum absorption hole is positioned in the vacuum groove. The silicon wafer fixing component is also provided with a technics hole isolating the vacuum through hole, the vacuum through hole is isolated after the technics hole is filled, when the technics hole internal side is communicated with the gas controlling device, the technics hole can be used for absorbing No. eight silicon wafer; when both the internal and external sides of the technical hole are communicated, the technics hole can be used for absorbing No. 12 silicon wafer. The atmosphere groove is also internally provided with an atmosphere through hole, the atmosphere through hole can discharge atmosphere between the silicon wafer and the absorption surface, so as to reduce the deformation of the silicon wafer. In addition, by considering the processing manufacturability, the annular groove can be designed into a trapezoid to reduce the processing deformation. The silicon fixing component adopts silicon carbide precision ceramic as the material, the technics performance of the silicon fixing component is improved and the service life is prolonged.

The invention provides a marine aquaculture net cage, and belongs to the technical field of aquaculture equipment. The marine aquaculture net cage comprises a rectangular upper floating body, a bottom plate, four upright columns, cleaning pipes and a water pump. A net cage opening is formed in the upper floating body, netting is arranged between the upper floating body and the bottom plate, the four upright columns are positioned at four corners of the outer side of the upper floating body, a guide rod is vertically arranged on each upright column, four guide sleeves are arranged at the edge of the upper floating body, are in one-to-one correspondence to the guide rods and are slidably arranged on the corresponding guide rods, the rectangular cleaning pipes are arranged on the outer side of the netting in an enclosed manner, a plurality of spray nozzles are arranged on the cleaning pipes and directly face the netting, the water pump is arranged on one of the upright columns and is communicated with the cleaning pipes via hoses, and a driving mechanism for driving the corresponding cleaning pipe to move up and down along the vertical direction is arranged on each upright column. The marine aquaculture net cage has the advantages that the netting can be automatically cleaned, marine organisms can be prevented from being attached onto the netting, and the like.

The invention discloses a system and a method for combining a fixed network and a mobile network. The system is characterized in that: aiming at the fixed network in a bridge pattern, an X-mobile anchor gateway (X-MAG) used for realizing trusted non 3rd generation partnership project (3GPP) access is arranged and connected between the fixed network and the mobile network, a Ya interface is arranged between user equipment (UE) and a broadband network gateway / broadband remote access server (BNG / BRAS), and a Yb interface is arranged between the BNG / BRAS and the X-MAG, so the UE can access an evolved packet system (EPS) of the mobile network by the fixed network in the bridge pattern through the X-MAG in a trusted non 3GPP IP access way; and aiming at the fixed network in a route pattern, a point-to-point protocol (PPP) signaling is borne by supporting the use of a layer 2 tunneling protocol (L2TP) on a terminal and the X-MAG based on the conventional framework. By the system and the method, the UE can realize the trusted non 3GPP access in a simple and feasible way, namely the UE can access the mobile network through the fixed network in the bridge pattern or the route pattern, and the combination between the fixed network and the mobile network is realized.

The invention discloses a vehicle-mounted multifunctional platform of an unmanned aerial vehicle. The vehicle-mounted multifunctional platform of the unmanned aerial vehicle comprises a multifunctional platform bin detachably connected with a roof of the vehicle. A movable bin door is arranged on the top of the multifunctional platform bin and connected with the side wall of the multifunctional platform bin through a bin door control mechanism. A plurality of undercarriage lock control mechanisms are arranged at the bottom of the multifunctional platform bin. The bin door control mechanism and the undercarriage lock control mechanisms are connected with a control circuit board through data lines. The control circuit board is connected with a power source through an external power connection line and connected with a remote control operation terminal via electric signals. The vehicle-mounted multifunctional platform of the unmanned aerial vehicle has the characteristics that the unmanned aerial vehicle can fly at any time, assembling is not needed, the vehicle-mounted multifunctional platform is convenient to carry and transport and can be fixed to a luggage carrier on the roof, all-weather storage is achieved, and the platform can contain a plurality of unmanned aerial vehicles; a controller can follow the unmanned aerial vehicle after the unmanned aerial vehicle takes a flight, the unmanned aerial vehicle can fly by the maximum distance and then land automatically in a specific location, and the unmanned aerial vehicle can be charged in time when not taking a flight.