999results about How to "Realize transportation" patented technology

The invention discloses a modular multi-storeyed overall assembly type steel structural house structure system, and belongs to the technical field of structural engineering. The steel structural house structure system comprises an assembling house module, a foundation module, a hanging hook between modules and a bend plate connector; various modules of the assembling house module are processed and manufactured in a factory, and every module is plugged on construction site through the hanging hook and the bending plate, and then the column is internally poured with concrete or welded, thus the structure building is completed; the hanging plate and the bending plate can plug and guide the module to the place, and anchor with concrete, and enhance the node connection; a dual-column structure is formed between the overall house modules, thus the overall structure performance of the house is strengthened. The house modules can complete the installation of inside and outside wall bodies, floor slabs, doors and windows in the factory, thus all or a part of inside decoration and outside decoration can be completed; thereby significantly reducing the work load on site and improving the construction speed.

The invention provides an automatic tracking robot control device and an automatic tracking robot. The device comprises a client side and a tracking side. The tracking side comprises a tracking module, a second wireless communication module, a second control module and a driving module, wherein the tracking module comprises an ultrasonic wave receiver which is arranged on the robot through a steering engine, and the tracking module is used for receiving an ultrasonic wave signal sent by an ultrasonic wave sending module, generating rotating angle information of the steering engine and sending the ultrasonic wave signal and the rotating angle information to the second control module. The second control module is used for obtaining positioning information between the client side and the tracking side according to the ultrasonic wave signal, the rotating angle information and time information, generating walking instruction information according to the position information, and sending the walking instruction information to the driving module. According to the automatic tracking robot control device, the problems that an existing automatic tracking control device is inaccurate in direction determining and signals are prone to being lost are solved.

The present invention discloses a method and a system for transparent transport of optical channel transmission unit (OTU) signals via an optical transport network (OTN), which includes a transmitting unit and a receiving unit at the OTN network boundary: the transmitting unit converts an OTUj signal mapping entering the OTN network into OTUk signals of the current OTN network for transmission. In the mean time, it reserves the OTUj control overhead, or extracts the OTUj control overhead and transfers it to the reserved overhead location; the receiving unit receives the OTUk signals arriving at the OTN network boundary, and performs demapping and converting them into OTUj signals. In the mean time, it successively uses the aforementioned reserved OTUj control overhead, or extracts the aforementioned OTUj control overhead from the aforementioned reserved control overhead location for subsequent use, and transfers the OTUj signals from the current OTN network; the aforementioned j and k represent the rate rank of the aforementioned OTU, respectively. The present invention is capable of achieving total transparent transport of OTU signals, including a payload portion and a control overhead.

The invention discloses a microfluidic chip based on pneumatic micro pumps and a micro mixer. The microfluidic chip adopts a three-layer structure, a bottom layer is a glass substrate, and a gas drive layer and a liquid flow layer which are made of elastic materials are successively arranged on the substrate; the liquid flow layer comprises a micro mixing chamber, a plurality of micro liquid storage tanks and fluid channels, one end of each fluid channel is connected to the corresponding micro liquid storage tank, and the other end of each fluid channel is connected to the micro mixing chamber; the gas drive layer comprises the micro mixer, a plurality of pneumatic micro pumps and gas channels; externally-added pulse gas pressure is orderly controlled to enter the gas drive layer by an electromagnetic exhaust valve, the pneumatic micro pumps made of the elastic materials and the micro mixer are allowed to work, multiple channels of different solutions are orderly injected into the micro mixing chamber for mixing, so as to realize a purposeful trace chemical reaction. The microfluidic chip can be used for rapid, convenient and accurate realization of automated liquid transport and efficient mixing of a trace liquid, and has important practical significance.

The invention relates to a numerical-control electric frame truck for airplane engine mounting and belongs to the technical field of assembly automation. The numerical-control electric frame truck is characterized by comprising a multi-shaft posture adjusting platform (1), a posture adjusting platform frame (2), a long-shaft feed mechanism (3), a truck body frame (4), left and right rotation mechanisms (5), an auxiliary support mechanism (6), hydraulic support legs (7), a driving wheel system (8), a truck body underframe (9), steering wheel systems (10), a driving cab (11), a hydraulic control system and a servo control system. Posture of five shafts is driven and adjusted by a servo motor, and posture of the rest one shaft is manually adjusted. Travelling of the frame truck is driven by the mode of electric vehicle. The numerical-control electric frame truck has the advantages that positioning accuracy is high, maneuverability is good, stability is high, engine mounting efficiency is improved, and labor intensity of operators is reduced. Besides, the numerical-control electric frame truck is applicable to automatic mounting operation of heavy complicated shaft parts requiring multi-shaft posture adjustment.

The invention discloses an industrialized, large-scale and factorized modular integrated house, which has the advantages of quick construction, firmness, durability, wind resistance, shock absorption, convenience in secondary disassembly and assembly and the like, is beneficial to warehousing and transportation, is not required to be installed by professionals and realizes industrialized and large-scale production and free house combination. The modular integrated house comprises ground beams which form a frame-type structure through connecting profiles; a plurality of floor units are detachably connected into a whole, and the integral edge of the floor units is lapped on a floor on the upper part of the inner side of the frame-type structure of the ground beams; a plurality of wall panels are detachably connected into transverse and longitudinal wall panels, an upright post is fixedly arranged on each corner of the ground beams, the lateral surfaces and the bottoms of the transverse and longitudinal wall panels are correspondingly detachably arranged on the upright posts and the ground beams to form an integral wall of the integrated house, and doors and windows are formed on the wall panels; and transverse and longitudinal collecting edges arranged on the tops of the wall panels and a ridge are positioned on the roof of the integrated house to form a roof slab.

The invention provides a conveyer device for the single-chip microcomputer chip processing process, belongs to the technical field of machinery and solves the problems of unstable transportation, low transport efficiency and the like existing at each processing station when a single-chip microcomputer chip is processed. The conveyer device for the single-chip microcomputer chip processing process comprises a base; the base is provided with a rotating roller I and a rotating roller II; the rotating roller I is connected with a conveying motor; a conveyer belt is arranged between the rotating roller I and the rotating roller II and is fixedly provided with a plurality of positioning boxes; one side of the conveyer belt is provided with a rotating column; the upper end of the rotating column is fixedly provided with a lifting air cylinder; the end part of the lifting air cylinder is fixedly provided with a rotating arm; the end part of the rotating arm is fixedly provided with a vacuum chuck. The single-chip microcomputer chip is clamped and placed through the rotating arm, and is stably transported through the conveyer belt and the positioning boxes, and the efficiency is high.

The photosynthetic bacterium immobilizing process includes preparing zeolite powder of 120-200 mesh, adding sodium alginate solution of 500-1000 mpa.s viscosity and concentrated photosynthetic bacterium liquid in the weight ratio of 1:0.03 to 0.05:0.2-0.3, mixing through stirring, pelletizing, hardening in 20-40 g / L concentration CaCl2 solution, and final clear water rinsing to obtain the product. The process has great photosynthetic bacterium immobilizing amount, high immobilizing efficiency, and high activity of the immobilized photosynthetic bacterium, and the product can deposit fast to water bottom for degrading organic pollutant and purifying water without loss.

The invention discloses a mechanized fruit picking, collecting and transporting system and method. The mechanized fruit picking, collecting and transporting system comprises an end picking device, an elongating arm, an elongating arm seat, a charging hopper, a conveying device, a trailer and a movable device, wherein the trailer is arranged on the movable device, the charging hopper is arranged in front of one side of the movable device, and is connected with the trailer through the conveying device, one end of the elongating arm is fixed on the movable device through the elongating arm seat, and the end picking device is arranged at the other end of the elongating arm. The mechanized fruit picking, collecting and transporting method comprises the following steps of: driving the movable device by a user to move and seek fruits which are suitable for harvest; sending the end picking device to the fruits through the elongating arm; picking the fruits through the end picking device, and gripping the fruits and sending the fruits to the charging hopper; and conveying the fruits to the trailer through the conveying device after the fruits enter the charging hopper. According to the invention, mechanized operation which integrates the picking, collection and transportation of the fruits is realized, so that mechanized degree of fruit picking, collection and transportation is effectively improved, and fruit picking accuracy rate is also increased while fruit picking efficiency is increased.

The invention discloses a gangway bridge device and relates to the technical field of marine equipment. The gangway bridge device comprises a base and a rotary platform which is installed above the base, wherein the rotary platform is connected with the base through a rotary mechanism, and a cab is arranged on the rotary platform. The gangway bridge device is characterized in that the rotary platform is connected with a gangway bridge, safety guardrails are arranged on the two sides of the gangway bridge, and a butt joint device is arranged at the suspended end of the gangway bridge. Compared with the prior art, the gangway bridge device has the advantages that the structural arrangement is reasonable, operation is stable, and staff can be transported between a ship and a marine platform in complicated and severe environments.

The present invention discloses a rotor unmanned aerial vehicle automatic cruise method and system based on deep learning. The method can avoid barriers along the line based on the deep learning, namely add eyes for the unmanned aerial vehicle to assist in the ultrasonic ranging method and timely avoid the barriers in the close range. The system comprises an image collection module, a barrier identification module, an ultrasonic wave distance detection module, a flight control module and a location module based on a Beidou satellite. The rotor unmanned aerial vehicle automatic cruise method and system based on deep learning are especially suitable for the logistics system and can realize the point-to-point unmanned aerial vehicle automatic cargo transport function so as to greatly save the manpower.

The invention discloses an all solid state perovskite microcrystalline silicon composite solar battery and a preparation method thereof, and relates to a semiconductor device specially suitable for converting light energy into electric energy. The all solid state perovskite microcrystalline silicon composite solar battery is composed of a transparent conducting substrate, an oxide semiconductor film layer, a perovskite light absorption layer, a microcrystalline silicon hole transport layer and a back electrode. The preparation method of the all solid state perovskite microcrystalline silicon composite solar battery includes: preparing the perovskite light absorption layer on the transparent conducting substrate coated with an oxide semiconductor film; depositing the microcrystalline silicon hole transport layer on the perovskite light absorption layer so as to form an all solid state perovskite microcrystalline silicon composite film; compositing perovskite light absorption layer material and P type microcrystalline silicon material in matching mode. The all solid state perovskite microcrystalline silicon composite solar battery prepared from the above preparation method simultaneously overcomes the defects that an existing perovskite solar battery is poor in stability and expensive in cost due to the fact that organic hole transport material is used on the existing perovskite solar battery, and the defects that preparation costs are high and photoelectric conversion efficiency is low, caused by low preparation speed of a microcrystalline silicon thin film solar battery.

The invention belongs to the field of marine engineering and particularly relates to a buoyancy-adjustable device and a method for auxiliary installation of underwater equipment. The buoyancy-adjustable device for auxiliary installation of underwater equipment comprises a buoy, a top lifting lug, a side lifting lug, a bottom lifting lug, a lifting cable, a locating rod and a hydraulic shackle, wherein the main body of the buoy is cylindrical, and conic surfaces are formed at the upper end and the lower end of the buoy; the buoy is made of a solid buoyancy material; the top lifting lug, the side lifting lug and the bottom lifting lug are arranged at the top of the buoy; a funnel-shaped guide-in cone, a cylindrical guide-in hole and a gyro-shaped balance weight cabin are sequentially arranged in the axial direction of the buoy from the top to bottom, the funnel-shaped guide-in cone and the gyro-shaped balance weight cabin are communicated through the cylindrical guide-in hole, three oblique water ducts which are communicated with the exterior are arranged at the bottom of the balance weight cabin, and the three water ducts are uniformly distributed in the circumference direction. Small pull force is applied on an installation rope in the installation process, and the buoyancy material which is used as the material of main body of the auxiliary installation device can endure deep water pressure and is suitable for deep water installation.

The invention discloses a catwalk machine and a catwalk device. The catwalk machine comprises a movable frame, a two-sided trolley, a drilling riser supporting vehicle, a drilling rod centralizing arm, a drilling riser centralizing arm and a control system, wherein the two-sided trolley, the drilling riser supporting vehicle, the drilling rod centralizing arm and the drilling riser centralizing arm are all installed on the movable frame. Supporting plates with the adjustable height are arranged on the movable frame. A drilling rod supporting plate, a drilling riser supporting plate, guiding wheels and limiting wheels are arranged on the two-sided trolley. At least two gears are arranged at the bottom of the movable frame. The catwalk device comprises the catwalk machine. The catwalk device further comprises a drill floor face and a rail, and two racks corresponding to the gears are arranged in the rail. Limiting blocks are further arranged at the two ends of the rail. The catwalk machine can respectively deliver drilling rods and drilling risers, improve the integration level, save space, reduce the production cost, relieve the labor intensity, improve the safety, and improve the production efficiency. The catwalk device reduces the number of devices, and is easy to operate, convenient to transport, and capable of reducing the transportation expense.

The invention provides an offshore installation construction resource-combined type pontoon barge. The combined type pontoon barge (1) comprises a flat plate ship body (2), a portal jib crane (3), a crane (4), a cantilever beam (5), an awler crane (6), a slide rail (7) and a removable deck (8), wherein the portal jib crane (3), the crane (4), the cantilever beam (5), the awler crane (6), the slide rail (7) and the removable deck (8) are arranged on the flat plate ship body, and at the same time, a left and right water ballast tanks (11), a fresh-water tank (12), a bilge tank (13), a hydraulic motive power station tank (generator tank) (14), a fuel oil tank (15), a ballast tank control tank (16), a dust tank (17) and a living tank (18) for meeting the living and residing requirements of 60 persons are arranged on the flat plateship body (2). The pontoon barge is mainly used for the transportation and the installation operation of large structures of ocean engineering, and can also be used for the installation of expansion bend parts, offshore pipe pavement construction operation and the like. The invention has the advantages that the shipping, the transportation and the offshore installation can be realized at the same time, the risk of offshore installation construction is reduced, the offshore construction resources are reduced, and the time is saved.

The invention relates to a mushroom picking device. The mushroom picking device includes rack rolling wheels, a mushroom conveying device, an integral rack, camera devices and manipulator devices. Thecamera devices and the manipulator devices are both fixed to the integral rack through guide plates; the mushroom conveying device is connected to the lower portion of the integral rack; every two rack rolling wheels on each side are separately connected to the integral rack. A working principle includes the steps that firstly, the camera devices photograph a mushroom area to obtain the absolutecoordinates of to-be-picked mushrooms; secondly, the rack rolling wheels roll, so that the integral rack moves back and forth to drive the manipulator devices to reach positions of the absolute coordinates of the to-be-picked mushrooms; finally, the manipulator devices pick the to-be-picked mushrooms, and the picked mushrooms are carried away through the mushroom conveying device. The mushroom picking device can be combined with a control system to achieve the integrated operation of self-identification and self-picking of the mushrooms, so that intelligent picking and transportation of the mushrooms are achieved, and advancement of an intelligent mechanical development process in China is facilitated.

The invention discloses a preparing and purifying method of dealing modularization air-float artificial mattress of wastewater, wherein the main frame of bed display member frame structure as cube box; the bottom, angle and side wall connected with pipes; the top open up to the air; the grid plate is set on the bottom of the bed; the planting box is set on the grid plate; planting vegetation through the planting hole; setting several floats on the side wall; counteracting the weigh of bed body with floatage; keeping balance of bed body in the water; installing ports for passing water on the bottom of float bowl with at least 2 float bowl on the holder; inserting gas-filled lamp into float bowl through ports for passing water; equipping inflating gate valve on the other side of gas-filled lamp. The invention possesses rational structure and simply production, which can improve the survival rate of water plant.

The invention discloses a liquid one-direction spreading bionic surface texture. According to the liquid one-direction spreading bionic surface texture, the function and the structure characteristics of one-direction spreading of a liquid on the surface on the mouth edge of common nepenthes are imitated, a linear or planar surface texture which is identical to or approximate to the structure of the surface of the mouth edge of the common nepenthes is processed on the surface, by virtue of a capillary wedge-shape effect generated from wedge-shape characteristics of a micro structure, the liquid is spread in one direction on the surface under the action of the capillary wedge-shape effect, and thus one-direction spreading of the liquid on the surface of the texture is achieved. Therefore, structures such as inclined holes, inclined pits and inclined grooves of which the three-dimensional characteristics are identical to or approximate to those of mouth edge inclined holes are processed on surfaces of systems or structures such as scalpels, cutters, micro electro mechanical systems, micro-fluid and biological chips, the liquid is enabled to spread and move in one direction on the surface texture by virtue of the capillary wedge-shape effect generated by the wedge-shape characteristics of the structures, and functions such as one-direction movement and one-direction lubrication of the liquid are achieved.

The invention relates to a robot and particularly relates to an explosive disposal robot. According to the technical scheme, a wheel-leg-arm-tank combined explosive disposal robot comprises an explosion-proof tank (1), a dismounting mechanical arm (2), a grasping mechanical arm (3), mechanical legs (4) and a frame (5) with rolling wheels; after questionable explosives are found, the proper dismounting mechanical arm (2), grasping mechanical arm (3), and mechanical legs (4) can be mounted according to early-stage information; according to the field environment, the robot can reach the adjacent side of the questionable explosives in a manner of selecting the wheels and the mechanical legs (4) or combining the wheels and the mechanical legs (4); the explosives are dismounted through the dismounting mechanical arm (2) and then the questionable explosives are put into the explosion-proof tank (1) through the grasping mechanical arm (3); even if the questionable explosives explode, damages to the surrounding and the explosive disposal robot are not caused; and after the explosion-proof tank (1) is replaced, the explosive disposal robot can be repeatedly utilized.

A transport-of-intensity imaging system is proposed which incorporates a control element positioned in an optical relay system, such as a 4f optical relay system, between a microscope system for generating an image of a specimen, and an image capturing device. The control element is located with an optical relay system, and is controllable to vary the focal plane without changing the spacing of the specimen and the image capturing device. In one form the control element is an electronically tunable lens (ETL). In another form, the control element is a spatial light modulator (SLM). The arrangement may include a beam splitter arrangement for generating a plurality of beams, which are not all subject to the same control element, such that multiple images with different focal planes are captured from the respective beams.

The invention relates to the field of automation mechanical devices, in particular to an automatic material taking machine for storage. The automatic material taking machine is achieved through the following technical schemes that the automatic material taking machine for storage comprises a travelling device and further comprises a storage device connected with the travelling device, a goods taking device capable of stretching out and drawing back, and a material box transferring assembly used for transferring goods obtained through the goods taking device to the storage device; the storage device comprises at least two layers of storage frames located on the different height positions, and each storage frame comprises a storage transferring device; and the material box transferring assembly is connected with the goods taking device and can rise and fall in the vertical direction. The invention aims to provide the automatic material taking machine for storage, the material taking machine comprises a goods storing device, the goods can be automatically taken and stored, the number of the goods taken through single-time travelling of the material taking machine is increased, and thematerial taking and sorting efficiency is improved.

The invention relates to a thin film crystalline silicon perovskite heterojunction solar battery and a preparation method thereof, and relates to a semiconductor device for converting luminous energy into electric energy. The thin film crystalline silicon perovskite heterojunction solar battery includes a transparent conductive substrate, a P-type thin film crystalline silicon hole transport layer, a perovskite light absorption layer, an electron transport layer formed by compact titanium dioxide, and a back electrode, wherein the perovskite light absorption layer and the P-type thin film crystalline silicon hole transport layer have matched energy levels. The configuration pattern: the P-type thin film crystalline silicon hole transport layer is arranged on the transparent conductive substrate; the perovskite light absorption layer is arranged on the P-type thin film crystalline silicon hole transport layer; the perovskite light absorption layer and the P-type thin film crystalline silicon hole transport layer form a thin film crystalline silicon perovskite heterojunction; the electron transport layer formed by the compact titanium dioxide is arranged on the perovskite light absorption layer; the back electrode is arranged on the electron transport layer formed by the compact titanium dioxide. According to the invention, the defects that the existing perovskite solar battery is low in stability and high in preparation cost, and a mass of silicon materials are used can be overcame.

The invention discloses a system and related equipment for realizing automatic goods transportation so as to achieve the aim of full-automatic goods transportation in a specific area. The system comprises a management system, a vehicle dispatching system, loading and unloading control equipment and automatic driving control devices arranged on automatic driving vehicles, wherein the management system is used for managing goods information, and generating a transportation plan according to the goods information and transmitting the transportation plan to the vehicle dispatching system; the vehicle dispatching system is used for generating transportation tasks according to the transportation plan and the transportation states of all the automatic driving vehicles when the transportation planis received, and transmitting all the transportation tasks to the automatic driving control devices matched with the automatic driving vehicles; the automatic driving control devices are used for controlling the automatic driving vehicles to finish transportation according to the transportation tasks when the transportation tasks are received; and the loading and unloading control equipment is used for controlling loading and unloading equipment to automatically load and unload the automatic driving vehicles.

A trapping position 30 is defined on a substrate 1, and an electrode pattern 2 is formed on the substrate 1, having a first pair of electrodes 21 including electrodes 22 and 23 formed at positions opposite each other with the trapping position 30 placed therebetween along a diagonal x-axis, and a second pair of electrodes 26 including electrodes 27 and 28 formed at positions opposite each other with the trapping position 30 placed therebetween along a y-axis orthogonal to the x-axis. The atomic device alternately switches between a first state and a second state to trap a neutral atom at the trapping position 30; in the first state, the electrode 22 of the first pair of electrodes 21 is set at a positive potential +V0 with respect to a reference potential and the electrode 23 is set at a negative potential −V0, and in the second state, the electrode 27 of the second pair of electrodes 26 is set at the positive potential +V0 and the electrode 28 is set at the negative potential −V0. This allows for realizing an atomic device which can facilitate integration of atomic circuits and reduce disturbances or the like.

The invention discloses DC-driven mobile refrigeration equipment, which comprises a thermal insulation library body embedded with a refrigeration system and a power supply system. A compressor of the refrigeration system is a DC variable frequency compressor powered by secondary DC voltage; and the power supply system comprises a dual-power DC generator capable of outputting first DC voltage and second DC voltage and a battery which is charged by the second DC voltage. The battery and the dual-power DC generator form two power sources for supplying power to the DC variable frequency compressor; and a power source controller is connected between the battery and the dual-power DC generator and the DC variable frequency compressor. The power source controller at least comprises a power switching module capable of automatically switching the DC variable frequency compressor from dual-power DC generator power supply to battery power supply when a vehicle engine runs at a low rotating speed and automatically switching the DC variable frequency compressor from battery power supply to dual-power DC generator power supply when the vehicle engine runs at the normal rotating speed. The DC-driven mobile refrigeration equipment has the advantages of capacity of refrigerating under the vehicle stop condition, stable refrigerating capacity and high refrigerating accuracy.

The invention discloses a movement butt joint device for a large body part of an airplane general assembly. The device comprises a frame body and a part bracket, wherein the frame body is provided with movable rollers, supporting leg components and an operating platform; the part bracket is fixed on the frame body; the frame body comprises a front body bracket and a rear body bracket; the rear body bracket is connected with the frame body through a fine adjustment mechanism; the fine adjustment mechanism comprises a pull rod, a screw rod which is in threaded connection with the pull rod and a hand wheel which is used for controlling the screw rod to rotate; the screw rod is fixed on the frame body through a bearing; the end head of the pull rod is hinged on the rear body bracket; and the rear body bracket is connected with the frame body in a slidable manner through a roller shaft and a chute. The movement butt joint device is combined with an airplane automation assembling line and an automatic butt joint platform system, so that the automation butt joint of the large body part is realized.

The invention discloses a low temperature co-fired ceramic-based micro-electromechanical system (MEMS) packaging method. The method comprises the following steps of: preparing an upper low temperature co-fired ceramic substrate and a lower low temperature co-fired ceramic substrate respectively and forming a three-dimensional electrically-interconnected network, an embedded micro-channel and an open cavity in the upper substrate and / or the lower substrate; aligning the upper substrate with the lower substrate for packaging, packaging components and parts in the cavity and communicating the micro-channel with the cavity and the outside of a packaged body; and connecting an external micro-tube to the outlet of the micro-channel, which leads to the outside of the package body, and realizing gas or liquid flow between the cavity and the outside through the external micro-tube. The method has the advantages of improving the integration level, the stability and the flexibility of MEMS packaging, realizing vacuum packaging and heat dissipation of the components and parts in the cavity by conveying a circulating radiating medium through the micro-channel and conveying detection samples and the like to medical, biological or chemical MEMS components and parts in the packaging cavity through the micro-channel.

The present invention discloses a method and a system for transparent transport of optical channel transmission unit (OTU) signals via an optical transport network (OTN), which includes a transmitting unit and a receiving unit at the OTN network boundary: the transmitting unit converts an OTUj signal mapping entering the OTN network into OTUk signals of the current OTN network for transmission. In the mean time, it reserves the OTUj control overhead, or extracts the OTUj control overhead and transfers it to the reserved overhead location; the receiving unit receives the OTUk signals arriving at the OTN network boundary, and performs demapping and converting them into OTUj signals. In the mean time, it successively uses the aforementioned reserved OTUj control overhead, or extracts the aforementioned OTUj control overhead from the aforementioned reserved control overhead location for subsequent use, and transfers the OTUj signals from the current OTN network; the aforementioned j and k represent the rate rank of the aforementioned OTU, respectively. The present invention is capable of achieving total transparent transport of OTU signals, including a payload portion and a control overhead.

The invention discloses a rotary telescoping fork. The rotary telescoping fork comprises a supporting seat, a fork body, a first driving mechanism and a second driving mechanism, wherein the fork bodycomprises a fixed fork body, and a multi-stage telescopic fork body which is glidingly connected to the fixed fork body; the fixed fork body is rotatably arranged on the supporting seat; the first driving mechanism is arranged on the fixed fork body and is connected to the multi-stage telescoping fork body, and the multi-stage telescoping fork body is driven to telescope relative to the fixed fork body through the first driving mechanism; the second driving mechanism is arranged on the supporting seat and is fixedly connected to the fixed fork body, and the fork body is driven to rotate relative to the supporting seat through the second driving mechanism. Additionally, the invention also discloses an AGV. The AGV comprises the abovementioned disclosed rotary telescoping fork. With the adoption of the rotary telescoping fork and the AGV, goods with different sizes can be forked, and moreover, the goods conveying quality can be effectively ensured.