98results about How to "Reduce the number of round trips" patented technology

The invention discloses an AGV (Automatic Guided Vehicle) and a method. The AGV (Automatic Guided Vehicle) comprises a vehicle body chassis, a cargo bearing platform picking-up and conveying system, a lifting system, a rotary rotary-table system and a delivered cargo temporary storage system; the rotary rotary-table system and the delivered cargo temporary storage system are fixed to the two sides of the upper portion of the vehicle body chassis correspondingly; the lifting system is fixed to the upper portion of the rotary rotary-table system, and the control end of the lifting system is connected with the cargo bearing platform picking-up and conveying system; the delivered cargo temporary storage system comprises a plurality of layers of temporary storage racks, and each layer of the temporary storage racks is provided with a plurality of temporary storage cargo positions; and the lifting system is used for controlling the sliding height of the cargo bearing platform picking-up and conveying system, and the rotary rotary-table system is used for controlling the rotation angle of the lifting system. By means of the AGV (Automatic Guided Vehicle) and the method, operation of manual picking-up of workbins is omitted, manpower and time are saved, and meanwhile workbin picking-up efficiency and accuracy are also improved.

Provided are an electric marketing service expansion mobile application system and a work method thereof. . Traditional managing software which can only be used in a local area network of an electric power company greatly restrains site communication and improvement of the service quality. The electric marketing service expansion mobile application system comprises an upper computer and a portable handheld set. The handheld set is provided with a wireless communication module, a task receiving module, a route planning module, a customer information inquiring module, a power grid information inquiring module, a service expansion processing module and a site data uploading module. The upper computer is provided with a BOSS professional system. The BOSS professional system is provided with a mobile operation platform module, a service expansion data receiving module and a work order processing module. The technical scheme of the electric marketing service expansion mobile application system changes an interactive traditional operation method of going back and forth between a site and the BOSS system for many times, achieves space extension and time expansion of marketing service expansion work and improves the work efficiency and the service level again.

The invention discloses an in-mould labeling system which comprises an injection molding machine, a label supplier and a mechanical hand, wherein the label supplier is arranged at one side of the injection molding machine; the mechanical hand is arranged on the injection molding machine; the mechanical hand comprises a mechanical arm, a product taking jig arranged at one end of the mechanical arm, and a labeling jig; the product taking jig and the labeling jig are coaxially arranged back to back; the label supplier comprises a rack, a label placing mechanism arranged on the rack, a label conveying mechanism, a label brushing mechanism and a stacking mechanism; the label placing mechanism is connected to the label conveying mechanism; the label brushing mechanism is connected to the label conveying mechanism; the label placing mechanism is used for storing labels; the label conveying mechanism is arranged on the rack in a sliding mode, and is used for conveying labels of the label placing mechanism to the label brushing mechanism; the stacking mechanism is used for storing injection-molded finished products; and an extending direction of the stacking mechanism is parallel to a mould opening direction of the injection molding machine. The in-mould labeling system reduces times of moving the mechanical arm back and forth, saves time and improves working efficiency.

The invention provides a message transmission method and device. The method is applied to first equipment provided with an acceleration card and a processor. According to the method, bandwidth overhead and data delay caused by transmission can be reduced, the method comprises the steps that an acceleration card receives a first transmission layer control protocol (TCP) message from a processor, to-be-encrypted data are carried in the first TCP message, and the to-be-encrypted data belong to secure socket layer (SSL) data; encryption information used for encrypting the first TCP message is determined according to a pre-acquired mapping relation, the mapping relation indicates a corresponding relation between an identifier of a TCP connection bearing the SSL data and encryption and decryption information, and the encryption information at least comprises an encryption algorithm and an encryption parameter; to-be-encrypted data carried in the first TCP message is encrypted according to the encryption information to obtain a second TCP message, the second TCP message is the encrypted first TCP message; And the second TCP message is sent to the second device.

The invention provides a discovery method, a router and node equipment of a path maximum transmission unit. The method realizes the discovery of PMTU by detecting the MTU of a router in the message length value transfer path of a message. According to the invention, the method can be compatible with the PMTU discovery mechanism in the prior art, the bandwidth resource can be saved, and the discovery efficiency of PMTU can be improved.

The invention relates to an efficient low-cost method for machining monocrystalline and polycrystalline silicon pieces through a diamond wire. The method is characterized by comprising the following steps that (1) a silicon bar is assembled to a diamond wire cutting machine; (2) parameters of the diamond wire cutting machine are set; (3) the cutting machine is started, and the silicon bar is cut; and (4) after the to-be-cut silicon bar is cut, the silicon wafers are taken out. The machining quality is improved, the machining time of monocrystallines and polycrystallines is shortened, diamond wire unit consumption needed by the silicon wafers is reduced, equipment faults are reduced, the machining surface quality is improved, the product manufacturing cost is reduced, and the effective using rate of single equipment is improved.

The invention provides a method for preventing set top box software from malicious upgrade, comprising the steps as follows: step 10, encapsulating upgrade data by adopting RSA asymmetric cryptographic algorithm via a front end and transmitting the encapsulated data to a set top box; step 20, authenticating data received by the set top box, and entering a step 30 if the authentication is successful; otherwise, quitting the upgrade; step 30, analyzing the data received by the set top box to obtain upgrade data and performing upgrade according to the upgrade data. The invention further provides a system for preventing set top box software from malicious upgrade, comprising a data encapsulation module, an authentication module and an upgrade module. The method and the system of the invention improve safety of data and effectively prevent illegal operation.

The invention discloses a full-automatic AGV which comprises a chassis assembly, a lifting device and a fork assembly. A goods temporary storage bin used for storing goods is arranged on the chassis assembly. The lifting device is arranged on the chassis assembly. The fork assembly comprises a supporting seat, a first drive mechanism arranged on the supporting seat and a fork body fixedly connected with the first drive mechanism. The supporting seat is arranged on the lifting device and used for driving the first drive mechanism and the fork body to ascend and descend to the position of any layer of goods shelf under drive of the lifting device. The first drive mechanism is used for driving the fork body to fork the goods and rotationally putting the goods on any layer of goods shelf or forking the goods from any layer of goods shelf and rotationally moving the goods out of the goods shelf. According to the full-automatic AGV, full automation of goods taking and putting is achieved, the manual cost and time cost are saved, and the goods taking and putting efficiency and accuracy are improved.

The invention discloses a multi-needle type impacting head for an ultrasonic impacting gun and a design method of the impacting head. The multi-needle type impacting head is composed of an amplitude-changing rod end surface, an impacting needle cover plate and impacting needles, wherein hole arrays in rows are filled in effective regions of the amplitude-changing rod end surface and an impacting needle cover. The multi-needle type impacting head and the design method thereof provided by the invention have the advantages that by virtue of the multiple impacting needles, compared with an existing impacting head, the work efficiency is improved by 300%-400%, the impact strength is improved by about 5%, and the problems that a welding structure cracks due to stress corrosion, is unstable and deforms, the fatigue service life of the welding structure is shortened and the like are effectively alleviated.

The invention relates to an unmanned aerial vehicle used for collecting water samples and having high safe performance. The UAV includes a body and an undercarriage, and includes a collection mechanism and at least two self-rescue mechanisms. The collection mechanism includes a first support frame, a lifting assembly, a first driving assembly, a moving assembly, and at least two sampling assemblies. Each sampling assembly includes a baffle, a sleeve, a connection rod, a first piston, a water inlet, and two springs. Each self-rescue mechanism includes a second driving assembly, a guide pipe, asecond support frame, an air cylinder, a second driving bar, a second piston and an airbag. During use of the UAV, the UAV can collect water samples from different positions in one flight period by using the collection mechanism, so that round trip times of the UAV are reduced and water sample collection efficiency of the UAV is increased. By means of the self-rescue mechanisms, when the UAV is forcedly landed on water surface due to exhaustion of power, the UAV can be floated above the water surface and is free of damage due to water invasion, thus reducing unnecessary loss.

The invention discloses finished PCB online maintenance equipment which comprises a PCB transmission mechanism, an automatic appearance detector, a repair station, an ultraviolet curing machine and anautomatic board collector. The equipment solves the technical problems existing in inspection and online repair operations of the finished PCB, so that the detection, repair, curing and collection operations of the PCB are automated, the operations of repair and curing are combined, the equipment space is saved, the automation degree of the process is improved, the treatment efficiency and speedare improved, the manual cost is reduced, the frequency of carrying the product backwards and forwards is decreased, and the problems of PCB mixing and surface scratching are solved. The invention further discloses a maintenance method. The method is a process for automatically detecting, repairing and recovering the PCB. The operating difficulty of PCB maintenance is reduced, the maintenance process is simplified, the maintenance cost is reduced, and effects of improving the efficiency and product quality, reducing the reject ratio and the like are achieved.

The invention discloses an unmanned aerial vehicle for sampling multiple geological samples. The unmanned aerial vehicle comprises a flying main body, wherein a collecting box is connected to the lower surface of the flying main body; a rotatory collecting mechanism is also arranged in the collecting box; the rotatory collecting mechanism comprises a fixing ring arranged around the inner side surface of the collecting box, an annular groove formed in the inner side of the fixing ring, a bearing embedded in the annular groove, a collecting wheel disc fixedly embedded in the bearing, a helical gear arranged on the upper surface of the bearing, a rotatory motor A arranged on the inner side surface of the collecting box and a driving helical gear mounted at a rotating end of the rotatory motor A in a sleeving manner; and the collecting wheel disc comprises a rotating wheel embedded in the bearing and a plurality of collecting cases arranged on one side of the rotating wheel. The unmanned aerial vehicle disclosed by the invention has the beneficial effects of simple structure and strong practicability.

The invention provides a CFQ (complete fair quenching) dispatching method, and relates to the field of linux kernel I / O (input / output) dispatching. The CFQ dispatching method comprises the following steps: firstly, dispatching among groups; then, dispatching in groups; and finally, dispatching in queues; making a request to the kernel to modify relevant marks and switch between a dispatching way among the groups and a dispatching way in the groups when intensive I / O operation is needed to be performed on application programs, modifying an elevator algorithm bound adopted for dispatching in queues into a frequent access area. When the Intense mark of a certain group is set on 1, the priority of the equipment corresponding to the group is the highest, and the dispatching among the groups is reduced; when the Continue mark of a certain group is set on 1, queues of the group are distinguished into different queues according to the area requested by I / O, so that the I / P intensive request can be possibly completed in one queue; and when the Continue mark of a certain group is set on 1, the operation bound of the elevator dispatching algorithm in the queues is changed to head and tail, so that the intensive I / O request is accessed in a centralized manner, and therefore, the round times for elevator dispatching are reduced.

The invention discloses a transmission service dual-routing analysis method. The implementation process of the transmission service dual-routing analysis method comprises the following steps of: after analyzing and mining whether a logical circuit has dual-routing, coincidence logical routing and coincidence physical routing or not, optimizing data cleaning, rule configuration and algorithms according to the operation condition and the practical maintainer feedback condition. Compared with the prior art, the transmission service dual-routing analysis method has the advantages that: the maintenance cost of operators is greatly reduced; high-efficiency network management is supported; the manpower cost is reduced; the manpower efficiency is increased; and the transmission service dual-routing analysis method is high in practicability, wide in application range and easy to popularize.

The invention relates to a liquid suction control method by a sampling probe. The method comprises the following steps: totally sucking needed reagents into the sampling probe according to a reagent suction sequence and the addition amount of each reagent when the capacity of the sampling probe is enough if the type of the reagents needing to be added into to-be-detected sample items is more than1; and controlling the sampling probe to suck a preset amount of air to isolate reagents sucked at two adjacent times between the two adjacent times of reagent suction. When multiple reagents need tobe added into the samples, the sampling probe only needs to move between the reagents and the samples once, and addition of the reagents in the samples can be completed. According to the liquid suction control method, the round-tripping frequency of the sampling probe can be effectively reduced, so that the time is greatly saved, and the sample analysis efficiency is improved. The invention further relates to a liquid suction control system by the sampling probe and an automatic analyzer.

The invention discloses a power line quick pit distribution device and a new pit distribution method, the power line quick pit distribution device comprises an isosceles triangle fixing bracket surrounded by three straight rods and a marker post component surrounded by two mutually vertical straight rods, one straight rod located at the bottom edge of the isosceles triangle fixing bracket has a telescopic length; two straight rods located at the side edges of the isosceles triangle fixing bracket are fixedly connected with the straight rod located at the bottom edge of the isosceles triangle fixing bracket; one straight rod of the marker post component is fixedly connected to the midcourt line of the straight rod located at the bottom edge of the isosceles triangle fixing bracket, and is fixedly connected with the intersection points of the two straight rods located at the side edges of the isosceles triangle fixing bracket; the other straight rod of the marker post component is vertical to the plane of the isosceles triangle fixing bracket, and is used as a marker post of a total station for collimation of the center line of the total station. The power line quick pit distribution device improves the pit distribution operation efficiency and also reduces a lot of cost.

The invention relates to a shipborne spilled-oil recycling system based on gas floating spilled oil separation.The system comprises an oil receiving machine, an oil-water separation unit, a gas floating unit and a waste oil bin.The gas floating unit is composed of a buoy and a gas floating contact area, and the oil receiving machine is provided with an overflow weir adjusting plate.The oil-water separation unit comprises an oil-water separation area, and a water inlet pipe connector is arranged at the front end of the oil-water separation unit and connected with the oil receiving machine.A gas floating release port is connected with an outlet of a multi-phase medium pump.The gas floating contact area is separated from the oil-water separation area through an inclined plate.An oil partition board and a water dividing plate are arranged on the rear middle section of the oil-water separation unit.The rear portion of the oil-water separation unit is provided with a backflow water outlet connected with an inlet of the multi-phase medium pump.An oil storage tank is arranged on the oil receiving machine.The oil-water separation unit is provided with an oil discharge pipe and a drainage pipe, and the waste oil bin is connected with the oil discharge pipe.The system can increase the oil content of recycled spilled oil, the waste oil bin can be used to the largest extent, and when the system is used on a ship, the number of round trips of the ship is reduced, and oil recycling efficiency is improved.

The invention discloses an orderly fruit putting system for a slender melon picking robot, and relates to the field of agricultural robots. The system is composed of a fruit box flexible inclining mechanism, a flexible lifting mechanism and a mechanical arm translation mechanism. By means of an elastic translating follower, a fruit box is made to incline back on to a picking area, and the fruit box is made to rise and fall. When operation is conducted, a mechanical arm clamps slender melons to reach the portion above the fruit box and then inclines downwards to move to the lifting end of the fruit box, and then the slender melons are made to lie down in a groove of the fruit box. The fruit box is gradually laid flat and fallen off along with increase of slender melons inside the fruit box, falling of the fruit box and the stack height of the slender melons inside the fruit box mutually compensate, it is guaranteed that the mechanical arm puts fruits repeatedly and orderly according to the fixed position and action, and the phenomenon that after the stack height is increased, the slender melons fall out of the box is prevented. Accordingly, the orderly, full-box and lossless fruit putting of the slender melons is achieved only through matching of elastic translating follower-based flexible fruit box inclination and lifting, the structure and control are simple, the fruit putting operation efficiency is greatly improved, and the back-and-forth fruit discharging frequency of the picking robot is effectively decreased.

The invention discloses a detection system for a bridge rope. The detection system comprises a snake-shaped robot, a multi-single-vision detection module, a nondestructive magnetic flux leakage testing module and a magnetostriction sensing module, wherein the multi-single-vision detection module is located at a joint part of the snake-shaped robot; the nondestructive magnetic flux leakage testing module is located in the snake-shaped robot; the magnetostriction sensing module is located on the top of the snake-shaped robot. By designing the snake-shaped robot, the detection system can adapt to various environments and finish a spatial helical motion; the detection system is high in intelligent degree and strong in controllability; by virtue of the multi-single-vision detection module, the nondestructive magnetic flux leakage testing module and the magnetostriction sensing module, the external part, the internal part and the corrosive damage of the rope can be comprehensively detected; the detection system can perform gait transition in a detection task so as to successfully cross obstacles, so that the to-and-fro frequency in the detection process of the bridge rope is reduced, and the detection efficiency is improved.

The invention provides a notebook computer and a method for controlling a mouse. The notebook computer comprises: a touch device, on which a pressure detection component is arranged to detect touch pressure; The obtained touch pressure value adjusts a relative movement distance ratio, and the relative movement distance ratio is the ratio between the movement distance of the mouse on the display screen and the touch distance when the user performs a corresponding operation on the touch device. The invention can automatically control the moving distance of the mouse on the display screen, and has better user experience effect.

A method for automatically handling traffic violation and disposition includes querying driver information in driver information card when terminal unit is logged on network, inputting penalty information by policy, reporting penalty data to background databank after penalty is confirmed by driver, writing this penalty information into driver information card and writing data into traffic management data. The handling device is a terminal unit enabling to be operated independently.

The invention discloses a multi-needle type impacting head for an ultrasonic impacting gun and a design method of the impacting head. The multi-needle type impacting head is composed of an amplitude-changing rod end surface, an impacting needle cover plate and impacting needles, wherein hole arrays in rows are filled in effective regions of the amplitude-changing rod end surface and an impacting needle cover. The multi-needle type impacting head and the design method thereof provided by the invention have the advantages that by virtue of the multiple impacting needles, compared with an existing impacting head, the work efficiency is improved by 300%-400%, the impact strength is improved by about 5%, and the problems that a welding structure cracks due to stress corrosion, is unstable and deforms, the fatigue service life of the welding structure is shortened and the like are effectively alleviated.

The invention belongs to the technical field of mechanical arms, and particularly discloses a mechanical arm for taking and placing corrugated sheets. The mechanical arm comprises a taking and placingpart and a pushing part for driving the taking and placing part, wherein the pushing part comprises a horizontal pushing mechanism and a lifting mechanism; the taking and placing part comprises a cylinder body connected with the lifting mechanism; the cylinder body is internally connected with a first piston in a sliding manner; the first piston is connected with a hollow central shaft; an opening of the upper end of the central shaft is positioned above the piston; the lower end of the central shaft is fixedly connected with a clamping disc; an air bag is arranged in the clamping disc and communicates with the inner part of the central shaft; a side wall of the clamping disc is connected with sliding blocks in a sliding manner; a distance between the sliding blocks and the lower surfaceof the clamping disc is equal to the thickness of the corrugated sheets; a bottom wall of the cylinder body is fixedly connected with two actuating cylinders; piston rods of the actuating cylinders are fixedly connected with the first piston; a plurality of through holes are formed in the bottom wall of the cylinder body; the lower parts of the through holes are connected with elastic corrugated pipes; and the lower parts of the elastic corrugated pipes are connected with air suction hoods. According to the scheme disclosed by the invention, taking and placement of the plurality of corrugatedsheets can be realized.

The invention belongs to the technical field of atmospheric environment monitoring, and particularly relates to unmanned aerial vehicle atmospheric monitoring equipment, which comprises detection equipment, a quadrotor unmanned aerial vehicle and a mounting bracket for connecting the detection equipment and the quadrotor unmanned aerial vehicle, the detection equipment comprises a shell, and a sampling assembly, an air detection sensor, a video capture module, a GPS positioning module, a signal wireless transmission module and a power supply module are arranged in the shell. Rapid disassemblyand assembly of the detection equipment and the unmanned aerial vehicle are realized through the mounting bracket, and a air sampling port of the sampling assembly is far away from a rotor wing of theunmanned aerial vehicle through an extension arm, so that interference of airflow generated by the rotor wing to detection data is avoided; besides, when the extension arm is unfolded, the sampling range of the detection equipment can be enlarged, the reciprocating navigation frequency of the unmanned aerial vehicle is reduced, the detection efficiency is improved, and the extension arm is convenient for overall storage and transportation of the unmanned aerial vehicle detection equipment in a folded state.

The invention relates to a container loading and unloading system and belongs to the technical field of loading and unloading equipment. The container loading and unloading system comprises a chassis with a traveling mechanism, a supporting plate positioned above the chassis and a lifting mechanism for adjusting the distance between the chassis and the supporting plate, wherein the lifting mechanism comprises a power traction device for enabling the supporting plate and the chassis to generate displacement, traveling wheels arranged at the lower end surface of the supporting plate and supporting platforms fixed on the upper end surface of the chassis and provided with slopes; the supporting platforms with the slopes are channels for lifting or falling of the traveling wheels; the supporting platforms correspond to the traveling wheels in a one-to-one manner; the supporting plate is moved horizontally along the chassis by the power traction device, and the traveling wheels move onto the supporting platforms along the slopes, so that the supporting plate is jacked up. The container loading and unloading system has the advantages that the structure is simple, and the operation is simple and convenient; by gradual lifting of the slope, the acting force is on the ground all the time, and the lifting of heavier objects can be realized, so that the loading and unloading times back and forth are greatly reduced and the loading and unloading efficiency is greatly improved.

The invention discloses a shipment self-service bill printing method based on the Internet of Things technology. The shipment self-service order printing method comprises the steps that member basic information maintenance is performed; a member performs business collaboration through an intelligent cloud warehouse; a driver performs bill printing through self-service; a warehouse administrator performs code scanning for verification; and cargo warehouse-out processing is performed. The shipment self-service bill printing system based on the Internet of Things technology comprises a set of intelligent cloud warehouse management system, at least one main server, at least one self-service bill printing machine, at least one member machine and at least one PDA code scanning device. The intelligent cloud warehouse management system is installed in the total server, the member machine and the self-service bill printing machine. The total server is in wired or wireless signal transmission connection with the member machine, the self-service bill printing machine and the PDA code scanning device. The shipment self-service bill printing method and system combines the logistics cloud warehouse platform with the Internet of Things technology, and on the basis of real services and data of the logistics cloud warehouse platform, completes identity authentication of a driver and auditing ofreceipts through the Internet of Things technology, so that the service operation efficiency of a logistics park is improved on the premise that safety is guaranteed.

The invention provides a caching platform, a wafer turnover device and a turnover method of the device. The caching platform comprises a loading platform for loading a wafer box and a transfer platform for temporarily placing a wafer rack. The loading platform is provided with at least one uncovering position and a plurality of loading positions, wherein the uncovering positions are used for loading wafer boxes. The space above the uncovering position is enough to enable the cover of each wafer box to be turned over to be opened and closed. The transfer platform and the uncovering position arearranged in a staggered manner, so that the wafer box and the wafer rack cannot interfere with each other in placement and carrying. A controller in the wafer turnover device automatically realizes carrying and turnover of the wafer boxes and the wafer rack by controlling a mechanical arm. The mechanical arm can replace manpower to achieve uncovering at the uncovering position, the transfer platform can provide a buffer space for the mechanical arm between the caching platform and the process equipment, the round-trip frequency of the mechanical arm is reduced, and the carrying efficiency ofwafers is improved.

The invention provides a batching system for knitting production. The system comprises a control module, the system further comprises a batching conveying line, a traveling track arranged beside the batching conveying line, a base arranged on the traveling track, a manipulator and a material rack which are arranged on the base; the base is further provided with a traveling driving device used fordriving the base to travel on the traveling track; one side or two sides of the traveling track is / are provided with a placing area / placing areas for placing raw material boxes filled with yarn barrels; the tail end of the manipulator is provided with a clamp for clamping the yarn barrels and a first identification assembly for identifying the raw material boxes; and the batching conveying line, the manipulator, the traveling driving device and the first identification assembly are in communication connection with the control module. The batching system can replace manual distribution of raw materials to each knitting machine (such as hosiery knitting machines and the like), the labor intensity of workers is relatively low, and errors are not likely to make.

The invention discloses a novel nearshore enteromorpha collecting device. An acquisition and transmission device is arranged in a manner of tilting upwards, the top end of the acquisition and transmission device is mounted at the front end of a boat body through a support shaft, and a hydraulic cylinder is mounted between the acquisition and transmission device and the boat body. A gathering device comprises two baffles, the two baffles are separately connected to the two sides of the bottom end of the acquisition and transmission device through connecting shafts, and the gathering angle and range are changed through the telescoping of the hydraulic cylinder. A negative pressure absorption device is arranged at the middle lower part of the acquisition and transmission device. The negative pressure absorption device comprises a propeller and an adjusting device, and the propeller is fixed to the water surface bellow a conveyor belt of the acquisition and transmission device. A shredding device is mounted above the top end of the acquisition and transmission device through a base, and the shredding device consists of a feeding opening, a shredding cavity, a discharging opening and a blade. The fishing device combines collection, fishing and shredding. By adopting the negative pressure absorption principle, enteromorpha is enabled to float onto the conveyor belt, so that the fishing efficiency is increased, and the secondary pollution of the enteromorpha to shores is avoided.

The invention provides a double-roll-brush cleaning device for photovoltaic panels. The cleaning device comprises a first main-roll-brush cleaning device and a second main-roll-brush cleaning device. The first main-roll-brush cleaning device is connected with the second main-roll-brush cleaning device through a connecting component. The first main-roll-brush cleaning device comprises a first subsidiary-roll-brush device, a second subsidiary-roll-brush device and a driving device. The first subsidiary-roll-brush device and the second subsidiary-roll-brush device are arranged in a parallel and staggered manner, wherein the first subsidiary-roll-brush device is located in front, and the second subsidiary-roll-brush device is located at the back. The driving device is located between the first subsidiary-roll-brush device and the second subsidiary-roll-brush device. The double-roll-brush cleaning device for the photovoltaic panels aims to achieve the effects that the device is simple in structure and convenient to disassemble and assemble; the two ends of the roll-brush device are stressed in a balanced manner; and cleaning efficiency is improved.