47results about How to "Realize automatic uninstallation" patented technology

The invention discloses an automatic installation and upgrade method for application software of terminal equipment, wherein, the application software which is required by normal operations of the terminal equipment is stored into a memory by means of arranging the memory inside the terminal equipment; when the terminal equipment is connected with a host computer, application environment is prepared for the terminal equipment through calling and executing function programs in application software like installation programs or repair programs and so on by adoption of a bootstrap program; simultaneously, update of installation files of the application software is completed by the terminal equipment by means of the host computer downloading new version software which is provided by a device manufacturer. By adoption of the automatic installation and upgrade method of the invention, various defects of taking compact discs as carriers in the application software of the terminal equipment in the prior art are overcome; convenience sense for using the terminal equipment of a user is improved; extra cost of the equipment manufacturer is reduced.

An embodiment of the invention discloses a software clearing method and a software clearing device. The software clearing method specifically includes: displaying to-be-cleared items and corresponding interface icons, wherein the interface icons include commanded interface icons; receiving operating commands aiming at the interface icons, wherein the operating commands carry information of the to-be-cleared items; finding description information of files of software corresponding to the to-be-cleared items in a software information library of the preset installed software; when the interface icons are the commanded interface icons, processing all the software related files according to preset clearing strategies and the found description information of the software related files. Refreshing and focus grabbing of a current screen used by a user in software uninstallation can be effectively avoided, convenience in software uninstallation can be improved for the user, and current operation of the user can be ensured to operate normally.

The invention relates to an inner closed type radial flux magnetic transmission mechanism for an underwater direct-driven propeller. According to the inner closed type radial flux magnetic transmission mechanism for the underwater direct-driven propeller provided by the invention, the opening end of the inner circumference surface of an outer rotor iron core (1) is equipped with multiple dovetail slots II (12) along a radial direction; the multiple dovetail slots II (12) are evenly distributed along the inner circumference surface of the outer rotor iron core (1); a piece of outer rotor magnetic steel (2) is matched and fixed in each dovetail slot II (12); an inner rotor end plate (10) is annularly sleeved on the prime motor rotation shaft (9) of the propeller and is fixedly connected with the outer end of an inner rotor magnet yoke (5); an outer rotor end plate (8) is fixedly connected with the outer end of the outer rotor iron core (1); the opening end of an isolation sleeve (3) is equipped with a connection flange plate (16); and the connection flange plate (16) of the isolation sleeve (3) and a propeller end plate (7) are in sealed connection. The mechanism provided by the invention is applied in the underwater direct-driven propeller.

The invention relates to a device for loading and transferring seedling bags and seedling bowls. The device comprises a loading transferring car, a loading machine and an externally connected soil delivery device. The loading transferring car comprises a loading transferring car body. Wheels and a push handle are arranged on the loading transferring car body. The device further comprises a mobile turning plate and a cover plate. Multiple isolating plates are arranged in the loading transferring car body. The mobile turning plate is used for supporting the seedling bags and seedling bowls and for discharging the seedling bags and seedling bowls after loading completes. The externally connected soil delivery device is used for delivering nutritious soil to the upper surface of the cover plate through a connecting plate. The loading machine comprises a machine rack and the connecting plate. A transmission device is arranged in the machine rack. Multiple scraping plates are installed on the transmission device which is used for driving the scraping plates to move in parallel to the upper surface of the cover plate. The device can achieve the mechanical operation of the loading of seedling bags and seedling bowls, reduce the labor intensity of users, increase work efficiency, save work cost, and increase economic benefit.

The invention discloses an unmanned aerial vehicle cargo space which comprises a set of foot stand plates. The foot stand plates are arranged in parallel. The tops of the foot stand plates are connected through a top plate. An unloading device is arranged at the lower portions of the foot stand plates and comprises a horizontal part and an oblique part. The horizontal part is connected between the parallel foot stand plates, and a cargo containing space is formed among the foot stand plates which are arranged in parallel, the top plate and the horizontal part. The horizontal part is connected with a first drive device and can convey cargos towards the oblique part or away from the oblique part. The oblique part is connected with a second drive device. One end of the oblique part can rotate relative to the horizontal part, and the other end of the oblique part is in releasable contact with the ground. The first drive device and the second drive device are connected with the same control system. By means of the unmanned aerial vehicle cargo space, the cargoes can be automatically loaded and unloaded, and operation is easy and convenient.

The invention discloses a concrete batching automatic ration distribution method. A spring and a weighing device are arranged in the shell of a concrete batching apparatus to realize metering of concrete batching. The control method uses an automatic feeding device to transmit materials, so manpower and material resources are saved, the labor intensity is reduced, and the concrete batching cost is reduced; an elevating device is used to realize movement of a stroke switch, the position of the stroke switch is adjusted to determine the mass of the materials, the stroke switch is used to control the on-off of a feeding motor, and an electric baffle plate is used to realize automatic unloading of the materials, so automatic control of the batching process is realized, and use convenience and batching efficiency increase are realized; and the baffle plate is arranged to reduce material loss and improve the working environment of workers, so simple structure and easy production manufacturing are realized.

The invention provides an electric vehicle automatic charging and battery replacing system and an electric vehicle automatic charging and battery replacing method. The electric vehicle automatic charging and battery replacing system comprises an electric vehicle, a battery assembly loaded at one end of the electric vehicle and a charging device used for supplementing electric energy to the batteryassembly. The electric vehicle is provided with a containing cavity with an opening in one end and an openable baffle arranged at the opening end of the containing cavity. The battery assembly comprises a battery pack for storing electric energy and a movable support used for limiting and supporting the battery pack and driving the battery pack to move under the stress condition. One end, close to the baffle, of the battery pack is provided with an electrode lead-out piece, and one end, close to the baffle, of the movable bracket is provided with a magnetic piece; the charging device comprises a supporting table, a supporting plate formed by protruding and extending from one side of the supporting table, an electromagnetic matching part capable of generating a magnetic attraction effect on the magnetic part, and a charger used for being electrically connected with the electrode lead-out part. Automatic charging and battery replacing of the electric vehicle can be achieved, and the labor intensity of personnel is reduced.

The invention relates to a filling and transfer vehicle for seedling-raising bags / seedling-raising pots. The filling and transfer vehicle comprises a filling and transfer vehicle main body which is provided with wheels and push handles, and also comprises a movable turning plate unit and a cover plate, wherein the filling and transfer vehicle main body comprises a seal type coaming and partition plates; the interior of the seal type coaming is provided with a plurality of partition plates which divide the interior of the seal type coaming into a plurality of compartments; the movable turning plate unit comprises turning plates, a horizontal connecting rod and a connecting rod adjusting unit; the turning plate unit is arranged on the lower surface of the filling and transport vehicle main body; one side of each turning plate is arranged on the filling and transport vehicle main body through a first rotating shaft; the connecting rod adjusting unit is used for controlling conversion of a horizontal state and a vertical state of each turning plate by controlling the movement of the horizontal connecting rod; and the cover plate is used to be covered on the upper surface of the filling and transfer vehicle main body. The filling and transfer vehicle provided by the invention can realize mechanized operation of filling the seedling-raising bags and the seedling-raising pots, reduces labor intensity of users, improves work efficiency, saves labor cost and increases economic benefits.

The invention provides an electromagnetic speed-regulation driving system, belonging to the technical field of speed-regulation driving systems. The electromagnetic speed-regulation driving system comprises an input shaft and an output shaft that are concentrically arranged, two electric slip rings sheathed on the input shaft, two electric brushes arranged on the electric slip rings, an electromagnetic rotor arranged at the input shaft end, a conductor rotor arranged at the output shaft end, a current controller and a power supply, wherein iron cores twisted by coils are arranged on the electromagnetic rotor along the circumference; the coils are connected with the two electric slip rings respectively; the two electric brushes are connected with the power supply by the current controller; the conductor rotor is provided with a conductive ring; the end surface of the conductive ring is arranged opposite to the end surfaces of the iron cores of the electromagnetic rotor and an air clearance is formed between the two end surfaces. In the invention, as the relative position relationship of the input shaft and the output shaft is fixed unchangeably, the relative surfaces of the conductor rotor and the electromagnetic rotor are spaced by a fixed air clearance; the conductor rotor and the electromagnetic rotor are coupled with each other by a magnetic field that is generated by controlling the coil currents; and the intensity of the magnetic field generated by the electromagnet can be changed by the current controller, thus changing the torque and the rotating speed, and achieving the aim of regulating speed.

The invention discloses a warehouse logistics loading and unloading robot. The warehouse logistics loading and unloading robot comprises a box body. The box body is internally provided with a movablemechanism. The box body is internally and fixedly provided with a first servo motor. An output shaft of the first servo motor is fixedly provided with a first chain wheel. The first chain wheel is intransmission connection with a second chain wheel. The second chain wheel is fixed to a first lead screw. The first lead screw is rotationally connected to a fixed plate. The first lead screw is connected with a transmission nut in a thread transmission manner. The transmission nut is fixed to a first sliding plate. The first sliding plate is fixedly provided with second guide rods. The upper endsof the second guide rods are fixedly provided with a second sliding plate. The second sliding plate is provided with a lifting mechanism. The upper end of the lifting mechanism is fixedly provided with an object bearing platform. The object bearing platform is fixedly provided with supporting frames. The supporting frames are provided with an unloading mechanism. By means of the structure, unloading and carrying of goods shelves and cargoes at different heights are achieved, the robot can load cargoes in different sizes at the same time, operation is easy, and the application range is wide.

The invention discloses a conveying apparatus for an automatic cleaning cutter for animal intestines. The apparatus comprises a plurality of sprocket wheels arranged on a frame, and a chain arranged among the sprocket wheels; the chain is provided with a support rod, and the support rod is provided with a fixing clamp used for fixing the front end portions of animal intestines; the fixing clamp comprises a support body, the support body is provided with an arc-shaped elastic sheet, one end of the arc-shaped elastic sheet is fixedly connected to one end of the support body, and the other end of the arc-shaped elastic sheet cooperates with the other end of the support body to fix the animal intestines. When the fixing clamp meets a cutting contact switch, a support cylinder controls a support shaft to move downward, the fixing clamp traverses through an extrusion roller and then meets a shedding contact switch, the shedding cylinder falls downward to extrude the arc-shaped elastic sheet, the arc-shaped elastic sheet is jumped, and the animal intestines are separated from the fixing clamp, so the automatic unloading of the animal intestines is realized, the manual operation is not needed, the production efficiency is improved, and the safety is high.

The invention relates to the technical field of machining, in particular to a clamp for machining the side wall of a metal pipe. The clamp comprises a base, wherein a clamp lower seat and a clamp upper seat which is located on the clamp lower seat and matched with the clamp lower seat are arranged on the base, a clamping cylinder is arranged above the clamp upper seat, the clamping cylinder is connected through a cylinder framework arranged on the base, the clamping cylinder is downwards arranged, and the end part of the clamping cylinder is connected with the top of the clamp upper seat; matched clamp semi-grooves are arranged at the combination parts of the clamp upper seat and the clamp lower seat, and the upper and lower clamp semi-grooves are combined to form a clamp groove used for clamping a workpiece; the clamp lower seat comprises a fixed part and a moving part, the fixed part is fixedly connected with the base, and the moving part is in sliding connection with the base; and the side, located at the moving part, of the base is further provided with an unloading cylinder, the unloading cylinder is horizontally arranged, and the end part of the unloading cylinder is connected with the side surface of the moving part. The clamp realizes automatic workpiece clamping, realizes automatic adjustment on the workpiece and the optimal machining position of machining equipment, and realizes the automatically unloading of the workpiece machined.

The invention discloses a waste cotton wool compressor. The waste cotton wool compressor comprises a working table, wherein a rotating table is installed on the working table, multiple sets of compression units are installed on the rotating table, a tooth ring is installed on the outer wall of the rotating table, and a driving assembly is installed on the right portion of the working table; and the driving assembly comprises a driving motor which is installed on the working table, a driving gear is installed on an output shaft of the driving motor, the driving gear is meshed with the tooth ring, a support is installed at the upper end of the working table, a cam is installed at the lower end of the support, and the compression units are matched with the cam. According to the waste cotton wool compressor, multi-station structural design is adopted, and the compression units are matched with the cam, so that continuous compression of waste cotton wool is achieved, and the compression efficiency of the waste cotton wool is improved; and a turning plate is arranged on each compression unit, automatic unloading of the waste cotton wool is achieved, and manpower and material resources are saved.

The invention discloses an automatic releasing device for a pilot-controlled check valve. The automatic releasing device comprises a valve sleeve, a large valve element arranged in the valve sleeve, asmall valve element arranged in the large valve element, and a differential valve element which is movably arranged in the valve sleeve and used for controlling the large valve element to move. According to the automatic releasing device for the pilot-controlled check valve, the differential valve element is arranged in the valve sleeve to drive the large valve element to move, thus the pilot-controlled check valve can be automatically opened, and automatic pressure releasing of the pilot-controlled check valve can be realized accordingly.

The invention discloses a battery replacing and charging system for an electric automobile, and belongs to the technical field of charging and battery replacing for electric automobiles. The battery replacing and charging system for the electric automobile comprises a battery replacing platform, wherein a walking mechanism and a battery locking and unlocking mechanism lifting mechanism are arranged on the battery replacing platform; the battery locking and unlocking mechanism is mounted on the vehicle body through a lifting mechanism, and the lifting mechanism is used for lifting the battery locking and unlocking mechanism to a battery replacing position; the battery locking and unlocking mechanism is used for locking and unlocking the battery assembly; the battery storage rack is mountedon a motion path of the walking mechanism, and a charging platform is arranged on the battery storage rack; and the battery grabbing mechanism is mounted on one side of the battery storage rack and used for placing the unlocked battery assembly on the charging platform. Through cooperative movement of the battery replacing platform, the charging platform and the battery storage rack, automatic unloading, automatic charging and automatic mounting of the battery assembly are realized, the labor intensity of personnel can be reduced, the battery replacement efficiency of the electric vehicle is improved, and the user experience is improved.

The invention discloses a high-precision automatic goods shelf system special for a stereoscopic warehouse. The high-precision automatic goods shelf system comprises a fixing base, supporting plates are vertically and fixedly connected to the left end and the right end of the upper end face of the fixing base, the top ends of the supporting plates are jointly connected with an upper fixing plate,multiple partition plates are arranged at the bottom of the upper fixing plate at equal intervals, the left ends and the right ends of the partition plates are fixedly connected with the supporting plates, feeding tables are arranged on one sides of the partition plates, first push plates are installed on the upper end faces of the feeding tables, the first push plates are perpendicular to the supporting plates, first sliding grooves are formed in the positions, close to the centers of the bottoms of the first push plates, of the feeding tables, first lead screws are fixedly installed in the first sliding grooves, sliding blocks are installed on the first lead screws, and the top ends of the sliding blocks are fixedly connected with the first push plates. The high-precision automatic goodsshelf system special for the stereoscopic warehouse is reasonable in structure, novel in design, easy to operate, capable of effectively improving the goods storage precision and intelligence of warehousing, and convenient to widely apply and popularize.

The invention discloses a novel automatic bridge body device. The novel automatic bridge body device comprises a slope working platform, wherein the tail end of the right side of the slope working platform is fixedly connected with a horizontal working platform; a first conveyor belt and a second conveyor belt are separately arranged on front and rear surfaces above the slope working platform andthe horizontal working platform; a box body is arranged on the lower end surface of the horizontal working platform; the box body is positioned on the position between the first conveyor belt and thesecond conveyor belt; a first cavity is arranged in the box body; a first motor is arranged in the left side end wall of the first cavity; and the first motor is in power matched connection with a first threaded rod. In a goods unloading process of the device, the threaded rod is mutually matched with a slide block, so that the goods is automatically unloaded, waste of labor power is greatly reduced, and the goods unloading process is quickened, and therefore, goods unloading efficiency is higher, needed time is shorter, and safety is better.

The graphene battery conductivity detector comprises a machine body shell, a working cavity is formed in the machine body shell, a first driving shaft is installed in the working cavity, four first connecting blocks which are annularly arranged are fixedly arranged on the first driving shaft, and first insulating blocks are fixedly arranged at the tail ends of the first connecting blocks; a detection cavity with an opening away from the first connecting block is formed in the first insulating block; a first electric push rod is mounted in the side wall of the detection cavity; a conductive contact can be flexibly connected with a battery contact under the driving of a second electric push rod and the action of a fourth spring, so that a circuit is conducted, the battery contact is protected, the contact is prevented from being damaged, a magnetic field is generated after an electromagnet is electrified to push a permanent magnet to move upwards, and the safety of the battery is improved. The distance detector can detect the moving distance of the permanent magnet, the conductivity of the battery is judged by detecting the rising distance of the permanent magnet, and the higher the rising distance of the permanent magnet is, the better the conductivity is.

The invention provides a hoisting device and hoisting equipment, and relates to the technical field of engineering machinery. The hoisting device comprises a hoisting beam, at least two groups of supporting rod sets and locking mechanisms, wherein the supporting rod sets are connected with the hoisting beam and used for bearing a to-be-hoisted body, and the locking mechanisms are arranged in the supporting rod sets; and each supporting rod set comprises a first supporting rod and a second supporting rod, wherein one ends of the first supporting rods and one ends of the second supporting rods are hinged to the hoisting beam, the locking mechanisms are arranged in the first supporting rods or the second supporting rods, the locking mechanisms can enable the first supporting rods and the second supporting rods to be clamped and used for bearing the to-be-hoisted body in the working state, and the locking mechanisms can enable the first supporting rods and the second supporting rods to beseparated from each other for unloading the to-be-hoisted body in the non-working state. The hoisting equipment comprises the hoisting device. Through the hoisting device, the technical problem that asingle-blade mounting device in the prior art does not conveniently unload a blade is solved.

The invention relates to a multifunctional transportation platform, which comprises a chassis truck and a bearing platform, wherein a front support, a hinge base and a portal frame are arranged on thechassis truck; a lifting oil cylinder is mounted on the hinge base; the other end of the lifting oil cylinder is hinged to the front position of the bottom of the bearing platform; the lifting angleof the front end of the bearing platform on the chassis truck is adjusted through stretching and retracting of the lifting oil cylinder; and the rear end of the bottom of the bearing platform is hinged to the top of the portal frame. The lifting height of the rear end of the bearing platform on the chassis is adjusted through lifting of the portal frame, the lifting oil cylinder or the portal frame can be independently controlled, and the lifting oil cylinder and the portal frame are controlled at the same time so that the angle of the bearing platform on the chassis can be freely changed. According to the transportation platform, the transportation posture can be adjusted according to mountain road terrains, different cargoes can be loaded according to needs, the difficulty of circuit electric power construction or rescue and repair is effectively solved, and the carrying efficiency in the electric power construction and rescue and repair process is greatly improved.

The invention discloses a concrete batching automatic ration distribution method. A spring and a weighing device are arranged in the shell of a concrete batching apparatus to realize metering of concrete batching. The control method uses an automatic feeding device to transmit materials, so manpower and material resources are saved, the labor intensity is reduced, and the concrete batching cost is reduced; an elevating device is used to realize movement of a stroke switch, the position of the stroke switch is adjusted to determine the mass of the materials, the stroke switch is used to control the on-off of a feeding motor, and an electric baffle plate is used to realize automatic unloading of the materials, so automatic control of the batching process is realized, and use convenience and batching efficiency increase are realized; and the baffle plate is arranged to reduce material loss and improve the working environment of workers, so simple structure and easy production manufacturing are realized.

The invention discloses a safe sharp object box of a syringe needle used for disassembling an insulin pen. The safe sharp object box comprises a box body, wherein the box body is used for collecting the syringe needle used for the insulin pen; the upper end of the box body is provided with a box cover; the top end of the box cover is provided with an opening; the inner wall of the opening is provided with a pressing plate capable of vertically sliding along the box cover; and the pressing plate is provided with an inlet; and a twisting mechanism is arranged on the circumference side of the inlet. An operator only needs to press down the insulin pen to realize the automatic unloading of the insulin pen, the syringe needle can be disassembled without a situation that the syringe needle to bein manually direct contact, and a situation that the syringe needle is traditionally manually disassembled to cause a puncture phenomenon is avoided. Meanwhile, compared with an existing operation, the safe sharp object box is more convenient and quicker.

The invention discloses a tilting tray type parcel sorting machine. The sorting machine comprises an electric control cabinet, a warehouse management system, a storage control system, a PLC control system, a weighing and recording integrated device, an automatic parcel supply system and a tilting tray parcel sorting system, and in the tilting tray parcel sorting system, parcels are unloaded to sorting grids through trays to complete sorting; and an unloading device of the tilting tray parcel sorting system further comprises a channel belt conveyor, and the channel belt conveyor is arranged below the sorting grids and used for bearing the parcels unloaded at the sorting grids. The space of the channel belt conveyor is reserved at the bottom of a main rack, matrix type sorting is achieved, the site and labor cost is saved, the overall equipment cost is relatively low, and the project investment can be saved; the field and labor cost are saved, and the parcel breakage rate is reduced; and the weighing and recording integrated device adopts a static weighing mode to solve the problem of inaccurate weighing of a dynamic scale, and the camera adopts a static code scanning mode to solve the problem of high unread rate of dynamic code scanning.

The invention relates to the technical field of lifting devices, in particular to a special crane for treating and processing organic fertilizer. The crane comprises a stand column, a rotary driving part, a rotating base, a cantilever and an electric hoist, wherein the bottom surface of the rotary driving part is fixedly connected with the top surface of the stand column, the rotating base is sleeved on a power output end of the rotary driving part, one end face of the cantilever is fixedly connected with the side wall of the rotating base, the electric hoist is slidably connected to the lowerpart of the cantilever, and the bottom end of an electric hoist lifting chain strip is connected with a lifting bucket; and a fixed base is sleeved on the stand column, a sleeve is fixedly connectedto one side surface of the fixed base, a connecting rod is sleeved in the sleeve, a material guiding groove is fixedly connected to the end head of the connecting rod in the inclined direction, the cross section of the material guiding groove is semi-circular, and the bottom end of the material guiding groove is fixedly connected with a funnel. The problem that an existing crane does not have thefunction of automatically unloading the hoisted material is solved.

The invention discloses a raw material drying assembly line for quicklime production, relates to the technical field of quicklime production, and includes storage components, drying components, clamping components, unloading components and conveying rails, wherein the storage components slide on a pair of conveying It is installed on the steel rail and used to store the washed limestone raw materials. The drying assembly is symmetrically arranged on the front and rear sides of the storage assembly and is used to dry the washed limestone raw material. The clamping assembly is symmetrically arranged on the front and rear sides of the storage assembly. The drying component is pressed against the front and rear side walls of the storage component, and the unloading component is arranged on the lower side of the storage component to automatically unload the dried limestone raw material. The raw material conveying system for limestone production in the present invention has the characteristics of ingenious design, reasonable structure and convenient use, which can significantly shorten the natural draining time of the washed limestone raw material, speed up the high-temperature calcination rhythm of limestone, and realize the automatic unloading of limestone raw material , Improve the production efficiency of quicklime.

The invention discloses a liftable cargo loading and unloading device. The liftable cargo loading and unloading device comprises a main body bracket, a loading and unloading mechanism and a lifting mechanism, wherein the main body bracket is in a hexahedral framework; fixed pulley wheels A are arranged at the upper ends of two vertical brackets in the front of the main body bracket and fixed pulley wheels B are arranged at the lower ends of the two vertical brackets; semicircular lifting frames are arranged on the two vertical brackets in the front of the main body bracket; the semicircular lifting frames are arranged in the main body bracket and are parallel to the side face; the loading and unloading mechanism is arranged in the main body bracket and is parallel to the bottom surface; and the lifting mechanism is used for controlling the lifting of the loading and unloading mechanism and the semicircular lifting frames. The liftable cargo loading and unloading device disclosed by the invention has an ingenious design structure; automatic loading and unloading of cargoes are realized under the action of the semicircular lifting frames on a rolling shaft, so that the operation is simple and the labor is saved; and the cargoes with different sizes can be conveniently stacked through adjusting lifting heights of the parts, so that the problems of manual transportation and cargo stacking are solved, the labor intensity of workers is alleviated, the working efficiency is improved, and the requirements on the cargo stacking of small-size enterprise warehousing storages are met.

The invention belongs to the field of steel structure building construction, and in particular relates to a construction method for accumulative slippage of stringed trusses with columns of different elevations. Specifically include the following steps: a. Install the long track at both ends of the truss and the short track at the middle span; b. High-altitude assembly of the truss; c. Install temporary stabilization measures for unequal-height sliding columns; d. Cable tensioning and interspersed construction; e. After the sliding is in place, the sliding steel column is docked with the lower supporting steel column, and the sliding shoe is cut off to complete the construction. In the construction process of the present invention, the force transmission is clear, the force conversion process is uniform and safe, the sliding column has high stability, and the structural sliding process is close to the design state. At the same time, temporary construction measures and large-scale mechanical equipment investment are reduced. Professional construction provides a working surface, reduces the construction safety risk of large machinery entering the site, shortens the construction period, and realizes the safe and stable placement of string trusses with different heights.

The invention provides a novel handcart, comprising a main body, a roller assembly and a hand pushing part. The main body comprises a bottom plate arranged horizontally, a cargo placing plate arrangedhorizontally and positioned directly above the bottom plate, and a guard rail which is adjustable in height in the vertical direction. The middle part of the cargo placing plate and one end close tothe hand pushing part are arranged on the bottom plate through a cylinder assembly which is vertically telescoped, and a control switch which controls the cylinder assembly to be telescoped is arranged on the hand pushing part. The uppermost end of the guardrail in the vertical direction is 2.0-80 cm higher than the upper surface of the cargo placing plate. The whole structure of the handcart is simplified. The height adjustment of the cargo placing plate can be realized by the air cylinder assembly, which is suitable for loading cargo of different heights, so that users do not need to spend alot of physical energy to place cargo of different heights on the cargo placing plate, and the working efficiency is improved. The design of the control switch is convenient for the control of the cylinder assembly and the operation. The design of the guardrail can ensure that the goods are not easy to fall off and improve the safety of use.

This application discloses a UAV cargo cabin. The UAV cargo cabin includes a set of tripod boards arranged in parallel. The tops of the tripod boards are connected by the top plate; the lower part of the tripod boards is provided with an unloading device. The unloading device includes a horizontal part and an inclined part; the horizontal part is connected between the parallel tripod plates, and a cargo accommodation space is formed between the parallel tripod plates, the top plate and the horizontal part. space; the horizontal part is connected to the first driving device and can transport goods toward or away from the inclined part; the inclined part is connected to the second driving device, and one end of the inclined part can rotate relative to the horizontal part , the other end of the inclined portion is in releasable contact with the ground, and the first driving device and the second driving device are both connected to the same control system. The drone cargo compartment of this application can automatically load and unload cargo, and the operation is simple and convenient.

The invention discloses an information processing method. The method is applied to first electronic equipment. The first electronic equipment and second electronic equipment perform data transmission. The method comprises the following steps: detecting the data transmission duration; judging whether or not the transmission duration exceeds a preset duration threshold value, and generating a first judgment result; and when the judgment result indicates that the transmission duration exceeds the duration threshold value, generating a first command, and controlling link disconnection of transmission in response to the first command. Meanwhile, the invention also discloses electronic equipment. Through adoption of the information processing method and the electronic equipment, the disconnection of data transmission between the first electronic equipment and the second electronic equipment can be realized without manual intervention.