46results about How to "Improve delivery range" patented technology

The invention discloses a photovoltaic energy storage refrigerator car hybrid refrigeration system and a switching method thereof under different working conditions. The photovoltaic energy storage refrigerator car hybrid refrigeration system comprises a refrigeration system body composed of an electric compressor, a mechanical compressor, an expansion valve, a condenser and an evaporator. The power source of the mechanical compressor is an engine. The power source of the electric compressor is a photovoltaic power supply system. The photovoltaic power supply system comprises a photovoltaic panel, a photovoltaic controller, a super capacitor, an inverter and a storage battery. The photovoltaic controller has an effect of controlling the super capacitor and the storage battery to reasonably charge and discharge, the service life of the storage battery is beneficially prolonged, and the discharging efficiency is improved. According to the photovoltaic energy storage refrigerator car hybrid refrigeration system and the switching method thereof under the different working conditions, the mode of double compressors is adopted, thus, the engine can be used to provide the refrigeration power source during refrigerator car transportation, a solar power generating system can be used to supply power for refrigerating during resting halfway, at night and when a carriage needs to be precooled, the problem that an external power source is needed when a refrigerator car is stopped is solved, and the delivery range is greatly expanded.

The invention relates to an assembly and disassembly transmission facility used for logistics and storage, in particular to a multifunctional retracted moving rail which consists of a main chassis body and a link joint. The main chassis body is provided with a link joint actuating mechanism; wherein, a back telescoping frame is arranged horizontally in the main chassis body and a front telescoping frame is arranged horizontally in the back telescoping frame; the link joint can closely circumambulate on the main chassis body, the back telescoping frame and the front telescoping frame through the drive of a link joint drive motor; the main chassis body is also provided with a telescoping actuating mechanism, the telescoping actuating mechanism drives the chains arranged at two sides of the main chassis through a telescoping drive motor to realize the extending and retracting of the back telescoping frame and the front telescoping frame in the main chassis body. The invention has the advantages of scientific and reasonable design, compact integral structure of the device, small occupying area, flexible and convenient use. The invention can transmit materials to and back with large range of transmission distance, the running speed and assembly and disassembly height are adjustable, and a safe and reliable security protection and alarm device is installed.

The invention discloses a telescopic belt conveyor changeable in amplitude and direction, and relates to the field of logistics transportation cargo handling mechanical equipment. The telescopic belt conveyor is composed of a three-section two-stage telescopic belt conveyor body with a telescopic function, an amplitude change mechanism with tilting and amplitude change functions, and a swing rotating mechanism with swing rotating and direction change functions. According to the telescopic belt conveyor changeable in amplitude and direction, a sleeved telescopic machine frame structure is adopted, and the elongation and shortening function, the tilting and amplitude change functions and the swing rotating and direction change functions of the belt conveyor are added by additionally arranging the amplitude change mechanism and the swing rotating mechanism; the conveying range is widened, along with conducting of the loading, unloading and conveying processes, under the condition that loading and unloading places of materials are changed, the conveying distance, height and direction are adjusted by driving and controlling a telescopic mechanism, the amplitude change mechanism and a direction change mechanism, and thus, the telescopic belt conveyor can adapt to change of the loading and unloading places; cargoes are directly delivered to the destination through only one time of loading and unloading, manual auxiliary carrying is reduced, the labor intensity is relieved, the operation time is shortened, the loading and unloading efficiency is improved, and the loading and unloading carrying cost is reduced; and the working environment and the labor condition are effectively improved, and the effect that loading and unloading transport is economical, rapid, convenient and safe is ensured.

Provided are a pipeline hydraulic conveying machine tool and application of the pipeline hydraulic conveying machine tool. A spring is installed in a support body; the spring is elastically connected with a universal wheel; one end of the support body is connected with an inner wall of a hydraulic conveying pipeline in rolled and supported modes; the support body is fixedly connected onto one end face of a sealing cover; the other end face of the sealing cover is sealed on one end face of a material filling container; and the other end face of the material filling container is also sealed by the sealing cover fixedly provided with the support body, and the material filling container is installed in the hydraulic conveying pipeline to form the pipeline hydraulic conveying machine tool. The application of the pipeline hydraulic conveying machine tool is that a water source is communicated with a conveying pipeline, and a water drawing device, an electrically operated valve, a putting device, a brake device and a receiving device are sequentially arranged on the conveying pipeline. The pipeline hydraulic conveying machine tool is energy-saving and environment-friendly; and with the adoption of the pipeline hydraulic conveying machine tool, delivery scope of materials is expanded, delivery resistance of the materials is reduced, safety and stability of material conveying systems are guaranteed and the service life is prolonged.

The invention relates to a solar-assisted absorption refrigeration device for a refrigerated truck. The solar-assisted absorption refrigeration device comprises a first heat supply system, a second heat supply system and a refrigeration system; the refrigeration system is connected with the first heat supply system and the second heat supply system through wires and pipelines correspondingly; the first heat supply system comprises a solar cell panel, a controller and a storage battery; the second heat supply system comprises an engine water tank, a circulating water pump and an adjusting valve; and the refrigeration system comprises a generator, a condenser, a heat exchanger, an evaporator, an absorber, an expansion valve, a solution pump and a throttling valve. The bottom of the generator is provided with a heater band. According to the solar-assisted absorption refrigeration device for the refrigerated truck, refrigeration cycle in a compartment of the refrigerated truck is completed by reasonably using engine waste heat and the solar power generation technology, and the refrigeration device is simple in structure, easy to achieve, environmentally friendly and free of pollution; in addition, the solar-assisted absorption refrigeration device still can refrigerate the interior of the compartment of the refrigerated truck when the refrigerated truck stops in the halfway or stops at night, the delivery range of the refrigerated truck is expanded, the limitation that the refrigerated truck needs to be connected with an external power source when stopping is eliminated, and the solar-assisted absorption refrigeration device can refrigerate the compartment all the time.

The invention discloses a roadway type hermetia illucens automatic breeding system. The system comprises a breeding frame circulating track, the breeding frame circulating track is in a hollow squareshape, and the breeding frame circulating track comprises a longitudinal circulating track body and a transverse circulating track body arranged at the end of the longitudinal circulating track body.A breeding frame conveying device for a roadway is arranged on the longitudinal circulating track body, and a breeding frame transverse moving device is arranged on the transverse circulating track body. A foodstuff feeding machine is arranged at the position, located at one end of the longitudinal circulating track body, of the transverse circulating track body. According to the roadway type hermetia illucens automatic feeding system, large-scale hermetia illucens breeding can be achieved, hermetia illucens bred on a large scale can be automatically, regularly and quantitatively fed, industrial automatic breeding is achieved, the feeding effect is good, the work efficiency is high, the environment in the breeding process can be effectively controlled, and the waste organic matter conversion efficiency is high.

The invention discloses an air conditioner with a cold plasma generation device and a control method of the air conditioner. The cold plasma generation device is provided with a plurality of discharging units at an air outlet of the air conditioner, and each discharging unit is at least provided with a pair of spray points. The air conditioner can form different air supply areas, the air conditioner is further provided with an air supply device, and an air supply blade group is arranged in the air supply device, and can be controlled to supply air to the different air supply areas. The discharging units are corresponding to the air supply areas, and when the air supply blade group is controlled to supply air to the indoor different air supply areas, the discharging units are controlled tostart the discharging units in the corresponding areas to operate according to the air supply areas of the air supply blade group. By controlling the discharging units of the cold plasma generation device and the air supply blade group for supplying air to the same air supply areas to jointly operate, the effective area of a cold plasma and the coverage of the cold plasma in the space are increased, so that the user experience is improved.

An apparatus and method for providing a media service by means of service interworking in a convergence media service delivery system are provided. The apparatus includes a service portal unit configured to search for a service in response to a request of a user accessing a service network; a service configuring unit configured to configure a convergence service that includes at least one service to be delivered to the user based on a result of searching for the service; and a service managing unit configured to allocate a service resource that is required for configuring the convergence service and to allocate or receive, if necessary, an optimal service resource to or from a different media service delivery apparatus based on a service level agreement.

The invention discloses a wireless mouse control system based on ZigBee communication. The system comprises a computer, a ZigBee receiver, and a wireless mouse. The number of the wireless mouse is at least one. The wireless mouse comprises a control module, and a ZigBee sending module which is connected with the control module and is provided with a ceramic patch antenna. The ZigBee receiver comprises a ZigBee receiving module with a ceramic patch antenna, and a USB-to-serial port module. The wireless mouse and the ZigBee receiver realize communication through ZigBee wireless signals. The ZigBee receiver and the computer realize communication through a USB interface on the computer. The system uses ZigBee wireless communication to realize data transmission, and is low in power consumption, large in transmission range, good in anti-interference capability, and high in communication efficiency. The system realizes that one computer can connect with a plurality of mouses for ZigBee communication, operation is more convenient, and signal interference does not exist among the mouses, and the system is stable in signal transmission.

The invention relates to a water separator for a single-crystal furnace cooling system. The water separator comprises a water separator main body, a sealing cover, a piston-type valve core and dispersing devices, wherein the water separator main body is a hollow cylinder; one end of the water separator main body is provided with a water inlet; the bottom of the water separator main body is sequentially provided with four water outlets; the sealing cover is fixedly installed on the other end of the water separator main body; the piston-type valve core is flexibly connected to the inside of the water separator main body; the piston-type valve core is connected with a translation mechanism; and the lower ends of the four water outlets on the bottom of the water separator main body are respectively provided with one dispersing device. The diverted water is dispersed by the dispersing devices, thereby widening the delivering range of this part of water, and greatly enhancing the practicability.

The invention relates to a reinforcing steel bar centralized processing and distribution method, system and device and a medium. The method comprises the steps: receiving steel bar order information of all work area ends and sending the same to a component factory end; summarizing and counting the rebar order information through a component factory end user to generate a rebar order processing plan; in response to the steel bar plan confirmation request of the component factory terminal, sending the steel bar order processing plan to each work area terminal for confirmation; if a steel bar plan confirmation return message of each work area terminal is obtained, forwarding the steel bar plan confirmation return message of each work area to the component factory terminal, wherein a componentfactory-side user determines that steel bar machining can be performed according to the steel bar plan confirmation return message; responding to a plurality of order delivery confirmation requests of the component factory side, sending the requests to the corresponding target work area sides; if an order delivery confirmation return message is obtained, carrying out order delivery planning to complete steel bar delivery of each target work area. Via the reinforcing steel bar centralized processing and distribution method, the machining efficiency and the machining quality of the steel bar component can be improved, and meanwhile the steel bar machining cost is reduced.

The invention relates to the technical field of water purification equipment and especially relates to an oxygen conveying pipeline, in particular to an oxygen conveying pipeline for a sewage treatment aerator. In the prior art, oxygen conveying is concentrated, so that the utilization rate is low, and a pipeline is liable to be blocked if a vent hole is formed in the pipeline. In the invention, the oxygen conveying pipeline for a sewage treatment aeration device includes a duct, wherein a plurality of vent holes are formed in the surface of the pipeline; a connector is arranged on each vent hole; each connector is in a circular truncated cone shape. The smaller end of the end surface of each connector is connected with the vent hole, while a filter screen is arranged at the larger end ofthe end face of each connector; a U-shaped filter tip is arranged outside each filter screen, the U-shaped filter tips are made of rubber materials, and protrusions formed by combining a plurality ofvalves are arranged at openings of the U-shaped filter tips The oxygen conveying pipeline can increase oxygen utilization rate, and good development prospects are achieved in the technical field of water purification equipment.

The invention provides a telescopic multifunctional intelligent operation arm. A single-acting oil cylinder is used for power drive for telescopic operation of suspension arm bodies of four joint arm bodies. The basic arm body, namely a large arm body does not move. The telescopic second joint arm body, the telescopic third joint arm body and the telescopic fourth joint arm body are driven by the telescopic oil cylinder and a third arm body extend-out steel wire rope, a fourth arm body retraction steel wire rope and a third arm body retraction and fourth arm body extension steel wire rope in a linkage manner, wherein the third arm body extend-out steel wire rope, the fourth arm body retraction steel wire rope and the third arm body retraction and fourth arm body extension steel wire rope are arranged in the suspension arm bodies. In the extend-out and retraction change routes of the steel wire ropes, the increased length and the reduced length of the steel wire ropes are changed synchronously, so that the steel wire ropes are in the tightened state all the time, and suspension arm body telescopic stability is guaranteed. The mechanical operation arm has the multi-direction freedom degree and the action in any position can be achieved. The mechanical operation arm is a carrier and multiple work devices can be additionally arranged on the hand portion and used for achieving various kinds of operation such as loading a concrete gun, a high-pressure water gun, a camera and a bridge detection probe.

The invention discloses a vertical anti-freezing self-priming piston pump. The vertical anti-freezing self-priming piston pump comprises a bracket, and an outer bracket positioned at the upper part of the bracket and formed integrally with a synchromesh gear case through casting. A reduction gearbox bearing base, a reduction gearbox cover, a motor bracket and an explosion-proof motor are arranged at the upper part of the synchromesh gear case in sequence. The vertical anti-freezing self-priming piston pump is characterized in that an upper sealing plate is arranged at the upper end of a cavity while a lower sealing plate is arranged at the lower end of the cavity; synchronous pistons are arranged between the upper sealing plate and the lower sealing plate; the two synchronous pistons are engaged with each other and rotate and the outer diameters of the pistons are in interference fit with the cavity; convex edges of upper and lower end surfaces are respectively in interference fit with the upper sealing plate and the lower sealing plate; an upper machine dynamic sealing ring, an upper machine static sealing ring, a lower machine dynamic sealing ring and a lower machine static sealing ring for sealing an auxiliary transmission shaft and a synchronous shaft are arranged at the upper parts and the lower parts of the synchronous pistons; and an electric heating water circulating device is disposed in an explosion-proof box at the upper part of a rear separated chamber of the cavity. The vertical anti-freezing self-priming piston pump has the advantages of small size, compact structure, good sealing performance and strong self-priming capacity, and effectively solves problems in freezing prevention and thermal insulation of a pump body.

The invention discloses a hermetia illucens foodstuff feeding machine. The machine comprises a frame, and a breeding frame moving device and a feeding device are arranged on the frame. The breeding frame moving device comprises a base, a moving platform arranged on the base in a sliding manner and a first driving mechanism. The feeding device comprises a mounting frame slidably arranged on the frame and a second driving mechanism, a hopper is arranged at the upper portion in the mounting frame, a plurality of layers of quantitative feeding cylinders are arranged at the lower portion in the mounting frame, a feeding port is formed in the hopper, a plurality of discharging ports are formed at the bottom of the hopper and connected with a conveying pump, and one end of each quantitative feeding cylinder is connected with a one-way feeding valve and a feeding valve; and an air inlet hole is formed at the other end of the quantitative feeding cylinder, a feeding port of the one-way feedingvalve is connected with an output port of the conveying pump, a discharging port of the feeding valve is connected with a feeding pipe, and a piston is arranged in the quantitative feeding cylinder. According to the hermetia illucens foodstuff feeding machine of the structure, hermetia illucens bred on a large scale can be fed automatically, regularly and quantitatively, industrial automatic breeding is achieved, the feeding effect is good, and the working efficiency is high.

The invention discloses a self-adaption overall overturning conveyor. The self-adaption overall overturning conveyor comprises a portal frame system (1), a conveying arm frame (2), an arm frame bracket (3), a double-cylinder windlass (4), a support roller (5), a tension device (6) and an automatic control system, and is characterized in that the portal frame system, the double-cylinder windlass and the arm frame bracket are mounted on a ship deck; the conveying arm frame adopts an overall truss type carbon fiber and carbon steel composite structure, and is provided with the support roller and the tension device; the back section is hinged with the fixed bracket; the double-cylinder windlass is connected with an arm frame pulley set through a steel wire rope by a portal frame pulley set; a pressure sensor is mounted on the portal frame; a tension sensor is mounted at the tail end of the steel wire rope; and the whole conveyor is controlled through an automatic control system. The conveyor can realize automatic retraction and unfolding of the portal frame and the conveying arm frame through the automatic control system, and has such advantages as full automation of retraction and unwinding, automatic belt tensioning, good safety, convenience for installation and operation and wide conveying range.

The invention provides an environment-friendly super-wide intelligent harrow-tooth conveyor. The environment-friendly super-wide intelligent harrow-tooth conveyor comprises a scraper chain, a head, amiddle section, a tail, a driving unit and a controller; an isolation section is arranged in the middle section and divides the middle section into a feeding channel and a discharge channel; dumping devices are arranged on the discharge channel; two guide rails are arranged in each of the feeding channel and the discharge channel; the scraper chain comprises two conveying chains; each of the two conveying chains is assembled on every two guide rails; and the two conveying chains are connected with each other through a plurality of harrow-tooth scrapers. The scraper chain pushes bagasse to allow the bagasse to be conveyed in the closed middle section, so that dust is effectively prevented from being raised; each of the two conveying chains on every two guide rails drives the multiple harrow-tooth scrapers to convey the bagasse, so that the conveying chains are not contacted with the bagasse, and the bagasse is prevented from being bonded with the conveying chains; and sliding friction of an existing buried scraper conveyor is changed into rolling friction, so that the running resistance is reduced, the dragging power is reduced, and the conveying scope is expanded.

The invention discloses an unmanned aerial vehicle for conveying goods. The unmanned aerial vehicle for conveying the goods comprises a machine body and a processing system used for controlling the action of the machine body, and the machine body is electrically connected with the processing system. The machine body comprises a fuselage, wings used for providing lift force and connected with the fuselage, a cargo hold used for containing the goods, supporting frames used for supporting the unmanned aerial vehicle and a hanging hook used for hanging the goods. The cargo hold comprises telescopic side walls, a plurality of telescopic pipes, a plurality of telescopic plates and connecting rods, one ends of the connecting rods are connected with the telescopic side walls, and the other ends ofthe connecting rods are connected with the fuselage. The processing system comprises a processor, a power supply system, a positioning system, a keypad device, an alarm, an information identificationsystem and an imaging device. The unmanned aerial vehicle for conveying the goods can realize stretching and fixation of the goods, expands the transportation range of the goods, and improves the conveying efficiency.

The invention discloses an antenna identification method applicable to a portable radio monitoring one-body machine. The method comprises directional antenna identification steps that: A, a scanning casing connector determines whether connection of a directional antenna and the casing connector through an antenna connector occurs, if access of the directional antenna does not occur, scanning continues; B, if access of the directional antenna occurs, when a signal processing unit contacts with one of two contacts on the casing connector through a coding board in an antenna connector connection chamber, an antenna mounting direction value of a horizontally-mounted antenna is read; when the other coding board contacts with the other contact of the two contacts, an antenna mounting direction value of a vertically-mounted antenna is read; the signal processing unit reads a polarized direction of the directional antenna utilized by a present system through reading the antenna mounting direction values; and C, the signal processing unit further reads an antenna coding value through the contacts and the coding board; the signal processing unit reads a type of the directional antenna utilized by the present system through the antenna coding value.

The invention belongs to the technical field of shipping devices, and particularly relates to a house type bag bundling and shipping device. A left vertical beam assembly and a right vertical beam assembly are arranged on a left side vertical column leg assembly and a right side vertical column leg assembly respectively. The front end of the left vertical beam assembly and the front end of the right vertical beam assembly are suspended. A ceiling is arranged between the upper plane of the left vertical beam assembly and the upper plane of the right vertical beam assembly. The front ends of the left vertical beam assembly and the right vertical beam assembly are connected through a front connection beam. The rear ends of the left vertical beam assembly and the right vertical beam assembly are connected through a rear connection beam. Two upper joist barrow bearing beams with joist barrow rails are arranged on the portion, between the front connection beam and the rear connection beam, of the left vertical beam assembly and the right vertical beam assembly in a front-back spaced mode. A left bag bundling joist barrow device and a right bag bundling joist barrow device are arranged between the two joist barrow rails. Lower joist barrow bearing beams with joist barrow rails are arranged on the inner side faces of the left vertical beam assembly and the right vertical beam assembly respectively. One or more suites of bag bundling, combining and hoisting large joist barrow hanging devices are arranged between the two joist barrow rails. The house type bag bundling and shipping device is provided with ceiling and wall bodies, a certain wind and rail shielding effect is achieved, and the working environment of workers and the conditions of all-weather shipping operation are greatly improved.

The invention provides a telescopic multifunctional intelligent operation arm. A single-acting oil cylinder is used for power drive for telescopic operation of suspension arm bodies of four joint arm bodies. The basic arm body, namely a large arm body does not move. The telescopic second joint arm body, the telescopic third joint arm body and the telescopic fourth joint arm body are driven by the telescopic oil cylinder and a third arm body extend-out steel wire rope, a fourth arm body retraction steel wire rope and a third arm body retraction and fourth arm body extension steel wire rope in a linkage manner, wherein the third arm body extend-out steel wire rope, the fourth arm body retraction steel wire rope and the third arm body retraction and fourth arm body extension steel wire rope are arranged in the suspension arm bodies. In the extend-out and retraction change routes of the steel wire ropes, the increased length and the reduced length of the steel wire ropes are changed synchronously, so that the steel wire ropes are in the tightened state all the time, and suspension arm body telescopic stability is guaranteed. The mechanical operation arm has the multi-direction freedom degree and the action in any position can be achieved. The mechanical operation arm is a carrier and multiple work devices can be additionally arranged on the hand portion and used for achieving various kinds of operation such as loading a concrete gun, a high-pressure water gun, a camera and a bridge detection probe.

The invention discloses an intelligent low-altitude rail express transportation system, and belongs to an express distribution scheme. The system comprises a low-altitude rail, an express box and an express dock, the express box is movably arranged on the low-altitude rail, and the low-altitude rail is arranged above the express dock; and the system further comprises a central intelligent controlsystem. The invention mainly relates to an express transportation solution for safely and quickly transporting goods to each express dock in an urban area through an express box by utilizing a rail network erected at a low altitude, which can bring convenience to the life of citizens, expand the distribution range, promote the urban internal needs and create a new industrial form.

The invention discloses an air conditioner with a cold plasma generating device and a control method thereof. The cold plasma generating device is provided with a plurality of discharge units at the air outlet of the air conditioner, and each discharge unit is provided with at least one pair of discharge needles. The air conditioner can form different air supply areas, and the air conditioner is also provided with an air supply device, and the air supply device is provided with a set of air supply blades, which can be controlled to supply air to different air supply areas. Multiple discharge units are set corresponding to multiple air supply areas. When the air supply blade group is controlled to supply air to different indoor air supply areas, multiple discharge units are controlled to start the discharge in the corresponding area according to the air supply area of ​​the air supply blade group. unit work. The invention controls the joint work of the discharge unit of the cold plasma generating device and the air supply vane group that supplies air to the same air supply area, increases the effective area of ​​cold plasma and the coverage in space, and improves user experience.

The invention discloses an antenna identification method applicable to a portable radio monitoring one-body machine. The method comprises directional antenna identification steps that: A, a scanning casing connector determines whether connection of a directional antenna and the casing connector through an antenna connector occurs, if access of the directional antenna does not occur, scanning continues; B, if access of the directional antenna occurs, when a signal processing unit contacts with one of two contacts on the casing connector through a coding board in an antenna connector connection chamber, an antenna mounting direction value of a horizontally-mounted antenna is read; when the other coding board contacts with the other contact of the two contacts, an antenna mounting direction value of a vertically-mounted antenna is read; the signal processing unit reads a polarized direction of the directional antenna utilized by a present system through reading the antenna mounting direction values; and C, the signal processing unit further reads an antenna coding value through the contacts and the coding board; the signal processing unit reads a type of the directional antenna utilized by the present system through the antenna coding value.

The invention discloses a full-automatic corrugated board multi-head packaging machine and belongs to the technical field carton packaging machine. The full-automatic corrugated board multi-head packaging machine comprises two sets of extensions symmetrically arranged face to face. Each extension comprises a base, a conveying device, a beat-aligning device, board pressing mechanisms and rope conveying and packaging mechanisms. A whole stack of corrugated boards is conveyed by the conveying devices from front to back, a first-section beat-aligning mechanism of each beat-aligning device is arranged above the middle of a conveying roller frame to carry out preliminary alignment on the passing whole stack of corrugated boards, and each second-section beat-aligning mechanism is matched with a pneumatic pushing mechanism and a paper blocking gate mechanism to algin the whole stack corrugated boards in the length direction and the width direction. Each extension comprises two or more rope conveying and packaging mechanisms, the whole stack of corrugated boards is compressed by board pressing mechanisms on the inner sides of the rope conveying and packaging mechanisms, and packaging is completed by the rope conveying and packaging mechanisms. According to the full-automatic corrugated board multi-head packaging machine, the blank of the corrugated board production industry is filled up, and the technical problem that due to the fact that a packaging machine special for the corrugated board is in lack, unmanned flow line production cannot be achieved is solved.

The invention relates to an outdoor auxiliary platform applied to a delivery unmanned aerial vehicle and a control method thereof, and the platform comprises a parking seat which is used for parking the unmanned aerial vehicle; the mooring cable is used for connecting the unmanned aerial vehicle; the power supply device is connected with the mooring cable and used for supplying power; the cable conveying device is connected with the mooring cable and used for conveying and recycling the mooring cable; the separating device is connected with the mooring cable and used for separating the mooring cable from the unmanned aerial vehicle or separating the mooring cable from the power supply device; the control device is connected to the power supply device, the wire conveying device and the separation device and used for executing the following control modes: controlling the power supply device to supply power to the unmanned aerial vehicle through the mooring cable; controlling a cable conveying device to convey the mooring cable to follow the unmanned aerial vehicle; and the separation device is controlled to cut off the mooring cable after the unmanned aerial vehicle reaches the set height. The method has the effects of prolonging the endurance time of the delivery unmanned aerial vehicle and expanding the delivery range.

The invention discloses a clinical intelligent medicine fixed-point conveying system which comprises floor tracks fixed to all floors, a plurality of floor tracks are arranged on each floor, a conveying mechanism for conveying medicine is arranged on each floor track, and a track changing mechanism is arranged between every two adjacent floor tracks. The conveying mechanism conducts rail changing through the rail changing mechanism, the multiple floor rails communicate with the layer changing assembly, a lifting frame for conducting layer changing on the conveying mechanism is arranged on the inner side of the layer changing assembly, the layer changing assembly drives the lifting frame to ascend and descend, and the conveying mechanism conveys medicine through the floor rails. The conveying mechanism is arranged, rail changing is conducted on the conveying mechanism through the arranged rail changing mechanism, so that medicine conveying in different areas is achieved, the lifting frame is driven to ascend and descend through the arranged layer changing assembly, the conveying mechanism is driven to conduct conveying on different floors, and the medicine conveying range is larger.

The invention discloses a dynamic electric field type refrigeration and preservation box based on a cold chain distribution vehicle, the box comprises a vehicle head, a vehicle bottom plate connected with the vehicle head, a refrigeration and preservation box arranged on the vehicle bottom plate and positioned behind the vehicle head, and refrigeration equipment arranged on the outer side of the refrigeration and fresh-keeping box. The refrigeration and preservation box is composed of a refrigeration and preservation box body, a bin door arranged at the tail part of the refrigeration and preservation box body, an air outlet structure arranged in the refrigeration and preservation box body, and an electric field generating structure arranged in the refrigeration and preservation box body. According to the dynamic electric field type refrigeration and preservation box based on the cold chain distribution vehicle, the preservation time of food materials can be effectively prolonged through the dynamic electric field, the cold chain distribution vehicle is effectively combined, the storage time of the food materials is better guaranteed, the distribution range of the cold chain distribution vehicle is widened, and the requirements of the nowadays society are better met.

The belt scratching prevention carrier roller set comprises a mounting frame, a plurality of carrier roller supports are arranged at the top of the mounting frame, a middle carrier roller is arranged on one side of the middle of each carrier roller support, and a first edge carrier roller and a second edge carrier roller are arranged on one side of the two ends of each carrier roller support respectively. A conveying belt is installed on the tops of the middle carrier roller, the first edge carrier roller and the second edge carrier roller, adjusting mechanisms are arranged at the two ends of the middle carrier roller, the two ends of the first edge carrier roller and the two ends of the second edge carrier roller respectively, the middle carrier roller can bear the bottom of the conveying belt, and the first edge carrier roller and the second edge carrier roller can bear the two sides of the conveying belt respectively. The problems that according to an existing carrier roller set structure, when carrier rollers are damaged, lost and the like, a conveying belt is prone to being torn, and waste is caused due to the fact that used materials of an existing structure are heavy are solved.