389results about How to "Strong linkage" patented technology

An electrode includes a network of compressed interconnected nanostructured carbon particles such as carbon nanotubes. Some nanostructured carbon particles of the network are in electrical contact with adjacent nanostructured carbon particles. Electrodes may be used in various devices, such as capacitors, electric arc furnaces, batteries, etc. A method of producing an electrode includes confining a mass of nanostructured carbon particles and densifying the confined mass of nanostructured carbon particles to form a cohesive body with sufficient contacts between adjacent nanostructured carbon particles to provide an electrical path between at least two remote points of the cohesive body. The electrodes may be sintered to induce covalent bonding between the nanostructured carbon particles at contact points to further enhance the mechanical and electrical properties of the electrodes.

The invention discloses a warehouse security management system based on a B / S and C / S framework. The warehouse security management system comprises a database server, a center management service module, a Web application service module and a business application module, wherein the database server is used for storing all data information needing recording in the system, performing storage management on all data needing maintenance and use in the system and providing data association, query, modification and deletion services, the center management service module is used for managing, configuring and authenticating various resources such as organization resources, decoding resources, encoding resources and platform server resources, the Web application service module is used for providing uniform Web access configuration interfaces for all application servers for system management, stream media, alarm transmission, centralized storage retrieval and the like, and providing a remote monitoring query Web access interface for front-end monitoring equipment, and the business application module comprises various management modules including an alarm management module. The warehouse security management system has the advantages of good compatibility, high integration level, strong linkage property and intelligence and the like.

The invention discloses a stirring rod moving type chemical raw material mixing device. The chemical raw material mixing device comprises a mixing box body, wherein two rotating shafts are respectively arranged at two sides inside the mixing box body, the two rotating shafts are both provided with lower spiral sections, the two lower spiral sections are both provided with driving sleeves in spiraland matching connection with the corresponding lower spiral sections, a stirring shaft is arranged between the two driving sleeves, two ends of the stirring shaft are both provided with rotating sleeves in rotating connection with the two ends of the stirring shaft, the stirring shaft is provided with a plurality of stirring rods, a driving shaft is arranged at the lower side of the mixing box body, the other end of the driving shaft is provided with a rotating disc, a push vertical rod is arranged at one side of the end surface of the rotating disc, transverse racks vertical to two sides ofthe push vertical rod are arranged at two sides of the push vertical rod, and rotating gears meshed with the transverse racks are arranged at the lower ends of the rotating shafts. The chemical raw material mixing device has a simple structure, is convenient to operate, can mix raw materials uniformly and fully, has high linkage, is convenient to control and operate, has high efficiency, and has high practicability.

The invention discloses a thin archive access transportation robot device and a using method thereof, and relates to the technical field of archive robots. The thin archive access transportation robotdevice comprises an AGV, an X-axis moving module, a Y-axis moving module, a Z-axis moving module, archive boxes and an archive box access mechanism. The AGV is arranged over an electromagnetic rail mounted on the ground. A storage battery, a controller and a memory are mounted in the AGV. The archive boxes are vertically placed on an archive shelf at intervals. Mounting grooves are formed in thearchive boxes, and iron strips are arranged in the mounting grooves. Bar code labels are stuck on the archive boxes. A two-dimensional code label is stuck on the archive shelf. The archive box accessmechanism is arranged on a Z-axis sliding plate and comprises an L-shaped supporting plate, a CCD camera, an adjustment motor, an access motor and an electromagnet. The thin archive access transportation robot device is moved to a specific position first through the linkage of the AGV, the X-axis moving module, the Y-axis moving module and the Z-axis moving module, then the CCD camera is used forscanning for judgment, afterwards, the access motor stretches the electromagnet to attract the ion strips on the archive boxes, and thus, access of the archive boxes is achieved.

The invention discloses punching equipment for motorcycle accessory production. The punching equipment comprises a rack, a cylinder, a punching head, a pair of clamping blocks and a pair of storage platforms; a support is fixed to an output shaft of the cylinder; the punching head is fixed to the middle of the support; abutting blocks are fixed to the two sides of the support; the pair of clampingblocks and the pair of storage platforms are slidably connected to the rack; springs are connected between the clamping blocks and the racks; first racks are fixed on the storage platforms; rotary shafts rotationally connected to the rack are arranged on the outer sides of the clamping blocks; each rotary shaft is fixedly provided with a first gear and a wire reel; the first gears are engaged with the first racks; the wire reels are wound with connection wires; the connection wire on the wire reel on the left side is fixedly connected with the clamping block on the right side, and the connection wire on the wire reel on the right side is fixedly connected with the clamping block on the left side; connection rods located on a movement trajectory of the abutting blocks are fixed to the rotary shafts; torsion springs are arranged between the rotary shafts and the rack; and a collection tank is arranged below each storage platform. With the scheme, the problem that accessories cannot be automatically taken out or collected after being punched is solved.

The invention discloses a continuous working efficient waste vegetable and fruit water removing device. The continuous working efficient waste vegetable and fruit water removing device comprises a bottom plate, a supporting frame and a water removing tank. The support is provided with a rotation shaft, and an eccentric wheel is arranged on the rotation shaft. A water removing net plate is arrangedin the water removing tank. A first cross shaft, a second cross shaft and a third cross shaft, all of which are parallel are arranged on the supporting frame. The first cross shaft is further provided with a semicircular-tooth gear, double-face racks are arranged on the two sides of the semicircular-tooth gear, and a push rod is arranged on the lower end face of a connecting plate at the lower ends of the double-face racks. A pressing plate is arranged at the bottom end of the push rod. The third cross shaft is connected with the rotation shaft through a chain wheel mechanism. A traction ropeis wound around winding wheels. One end of the traction rope is wound around a guiding roller and is connected with the left side wall of the water removing tank. A feeding groove is further formed in the upper end of the left side of the supporting frame. The continuous working efficient waste vegetable and fruit water removing device is simple in structure and high in linkage performance, discharging and feeding are convenient and fast, manual operation is not needed, manual labor is saved, the work efficiency is high, and practicability is high.

The invention discloses a gap type sand screening device with an automatic feeding and discharging function. The gap type sand screening device comprises a transverse plate and a sand screening frame;the sand screening frame is located on the upper side of the transverse plate; the two sides of the sand screening frame are both provided with screw rod shafts, and the two screw rod shafts are rotationally connected with the transverse plate through bearings; one end of the sand screening frame is fixed to the upper end face of the transverse plate through a supporting seat; the two screw rod shafts are both provided with driving sleeves which are connected with the two screw rod shafts through threads in a matched mode; the end, away from the supporting seat, of the transverse plate is provided with a vertical lifting barrel which is internally provided with a conveyor auger, and the lifting barrel and the conveyor auger are coaxial; the shaft section of the lower end of the conveyor auger is provided with a first transmission gear, and the first transmission gear is engaged with a sector gear; and the lower end of the lifting barrel is provided with a feeding inlet, and the upperend of the lifting barrel is provided with a discharging outlet located in the upper end of the sand screening frame. The gap type sand screening device is simple in structure, high in sand screeningefficiency, low in manpower labor intensity, capable of automatically conducting feeding and discharging, convenient to control and high in practicality.

The invention discloses a length-changeable reinforcement equal-distance tailoring device. The device comprises a base plate; a driving roller is arranged on a rotating transverse shaft; two guide rollers are arranged on the other support side plate; a mounting frame is arranged between two support side plates; a rotary cutting tool is mounted on the lower side of the mounting frame; a fixed lifting rod penetrating through a top plate is arranged at the top end of the mounting frame; a magnet plate is arranged at the top end of the fixed lifting rod; the lower end surface of a magnet block isconnected with the top plate through a first spring; rotary push plates hinged with the side surfaces of the support side plates are arranged on the right side surfaces of the support side plates; thelower end of an upper push sealing plate is connected with fixed blocks arranged on the upper end surfaces of the rotary push plates; and the fixed blocks are slidingly connected with the upper end surfaces of the rotary push plates. The device is simple in structure, can continuously cut multiple reinforcement sections with the same length, and meanwhile, is invariable in reinforcement cutting length, accurate in cutting length, convenient to operate, higher in linkage, lower in labor capacity and higher in practicability.

The invention discloses a drill fixing device used during machining holes in a strip-shaped plate at equal intervals, and relates to the technical field of clamping tools in the machining process. Thedrill fixing device is installed on the lower side of a drilling device, the drilling device comprises a drill bit which is vertically arranged and has a downward pointed end, and the drilling devicecan drive the drill bit to rotate. The drill fixing device comprises a shell, a driving cross beam, a lifting driving part, a clamping unit and a positioning unit, wherein the shell is internally provided with a containing space, and the upper surface of the shell is provided with a supporting surface used for supporting a workpiece; the driving cross beam is arranged in the containing space; thelifting driving part is connected to the driving cross beam and used for driving the driving cross beam to move in the vertical direction; and the clamping unit is connected to the driving cross beamand used for fixing the workpiece on the upper side of the supporting surface. According to the technical scheme of the drill fixing device, the machined through hole can be used for determining theclamping position for subsequent machining of the to-be-machined through holes, the technological process is simplified, and the construction efficiency is improved.

The invention discloses a transverse cutting marking device of an isometric building plate. The transverse cutting marking device comprises a bottom plate and a fixing table. A first supporting frameis provided with a screw rod shaft. A sliding sleeve is arranged on the screw rod section of the screw rod shaft. A second supporting frame is provided with a driving shaft. The two sides of the driving shaft are correspondingly provided with a first transmission shaft and a second transmission shaft. The driving shaft is provided with a semicircular toothed gear. A first transmission gear is arranged on the first transmission shaft. A second transmission gear is arranged on the second transmission shaft. A side plate is provided with a transverse shaft through a bracket. A rotating disk is arranged at one end of the transverse shaft. A driving strip-shaped hole is formed in a driving push rod. The right side of the driving push rod is fixedly connected with a horizontal push rod perpendicular to the driving push rod. The left end of the transverse push rod is provided with a vertical downward mounting cylinder. The mounting cylinder is internally provided with a marking rod. The transverse cutting marking device is simple in structure, high in working efficiency, straight and clear in marking, isometric in lines, stable in transmission, high in linkage and high in practicability.

The invention relates to a dredging boat, in particular to a dredging boat for dredging a port. The technical problem to be solved is to provide the dredging port which is various in function, is convenient for dredging the port and is simple in structure. In order to solve the technical problem, the invention provides the dredging boat for dredging the port. The dredging boat comprises an electric pushing rod, a rack, a gear, a horizontal piston, a horizontal cylinder, a hose, a vertical cylinder, a vertical piston, a connecting rod, a motor, a rotary blade, a bracket, a first supporting rod, a boat body, a slide shaft, a swing rod, a pushing block, a spring and a second supporting rod; the bracket and the second supporting rod are arranged on the top of the boat body; the bracket is positioned at the left side of the second supporting rod; the electric pushing rod and the first supporting rod are arranged on the left wall in the bracket; the electric pushing rod is positioned above the first supporting rod; and the right end of the electric pushing rod is connected with the rack. The dredging boat achieves the effects of being various in function, convenient for dredging the port and simple in structure, has relatively strong motility and reduces manufacturing cost.

The invention relates to an intelligent fire safety pre-judgment management linkage platform. The platform applies a thermal infrared detection technology and an MR hybrid reality simulation technology to a fire detection and management process, the traditional smoke detection and electrical data acquisition are coordinated to enable collected fire data to be more comprehensive and complete, the whole platform links four aspects of a fire scene, a user terminal, a superior management terminal and an on-site command and control terminal, the linkage of the platform is stronger, the coverage area is wider, and the effects of quick linkage response speed and accurate and complete information acquisition can be achieved.

The invention discloses a polishing and grinding device for the inner wall of a glass pipeline. The device comprises a bottom plate and a lead screw, wherein the lead screw is arranged above the bottom plate in parallel; four mounting legs are rectangularly distributed at the lower end of the bottom plate and are fixedly connected to the bottom plate; a sleeve sleeves the column surface of the lead screw; an inner thread corresponding to an outer thread of the lead screw is arranged on the inner wall of the sleeve; the sleeve is fixedly connected to the bottom plate through a sleeve support; the end, close to the sleeve, of the lead screw is fixedly connected to a joint bearing; the end, far from the lead screw, of the joint bearing is fixedly connected to a connecting block; and a connecting rod is hinged to the connecting block. The device disclosed by the invention is simpler in structure, small in power input and strong in co-movement, and is stronger in co-movement compared with that of an existing device in structure while solving the problem that the manual grinding cost is high. A grinding head also reciprocates in the glass pipeline while rotating. In addition to the action of oilstones and an asbestosed wire gauze, the grinding and polishing effect is better.

The invention discloses a motor with shock absorption and heat dissipation functions. The motor comprises a motor body, a heat dissipation mechanism and a shock absorption seat; a cavity is formed inthe top of the shock absorption seat, a shock absorption block is slidably connected to the interior of the cavity, an oil filtering cavity is formed in the center of the interior of the shock absorption block, an oil pressing seat is slidably arranged in the oil filtering cavity, the motor body is arranged above the shock absorption seat, and the heat dissipation mechanism is arranged in the motor body; the motor body comprises a casing, a stator, a rotor, a rotating shaft and a bearing; the heat dissipation mechanism comprises a first oil guide base, a heat conduction pipe and a second oil guide base. Oil can be effectively pushed into a machine body through vibration generated by working of the motor body; heat exchange cooling is conducted on the interior of the machine body through flowing of oil, lubrication on bearings is achieved, mechanical loss is reduced, the service life of the motor body is prolonged, oil pressure of backflow oil can be effectively used as buffering forceto reduce device vibration, the operation stability of the motor body is improved, overall energy consumption is low, linkage performance is high, and the motor is suitable for popularization.

The invention discloses an electric folding tricycle, which comprises an electric driving system, a brake system, a front wheel steering mechanism, a back vehicle frame and a seat cushion support pipe, wherein the front wheel steering mechanism is provided with a front wheel; the back vehicle frame is provided with back wheels; the seat cushion support pipe is provided with a seat cushion and can be turned relative to the back vehicle frame; two parallel connecting rods are connected onto the front wheel steering mechanism through a pivot; a first electric driving mechanism used for driving a connecting rod to rotate is arranged between the front wheel steering mechanism and the connecting rod; the two connecting rods, the back vehicle frame and a pull rod connected with the seat cushion support pipe through a pivot are respectively connected with a driving element through pivots; the driving element is locked and released through a locking and releasing mechanism; the locking and releasing mechanism comprises a locking element connected with the back vehicle frame through a pivot and a clamp groove formed in the driving element; the locking element is connected with a manual driving mechanism, a second electric driving mechanism and a reset mechanism; the manual driving mechanism drives the locking element to turn. The electric folding tricycle has the advantages that the electric folding and unfolding can be easily realized, so that the folding and unfolding efficiency can be greatly improved; the use is more convenient; in addition, the manual operation and the electric operation are combined; the operability is high; the folding modes are various.

The invention discloses an automatic peeling and sorting device for aloe flesh in a previous working procedure of cosmetic production, and relates to the technical field of cosmetic processing. The automatic peeling and sorting device solves the problems that the peeling on aloes by an existing peeling device is not accurate enough; much colloid is wasted; a fine sorting function cannot be realized; meanwhile, the linkage capability is poor; a plurality of power sources are needed for completing peeling and feeding actions; and the operation is extremely inconvenient. The automatic peeling andsorting device for aloe flesh in the previous working procedure of cosmetic production comprises a processing table, wherein a feeding table is fixedly arranged at one side of the top of the processing table through screw bolts; four groups of conveying frames are fixedly arranged at the top of the feeding table; the middle of the top of the processing table is connected and fixedly provided withan inner power table and an outer power table; and the inner power table is in contact with the feeding table. Through the arrangement of a straight knife, an arc knife and a cutting device, diversified multi-step differentiation processing is provided for the peeling device; the automatic sorting in the peeling process is realized; useful aloe peels can be conveniently and singly recycled for other purposes; and convenience and environment protection are realized.

The invention discloses an interlocking mechanism for a high-voltage switch cabinet. The interlocking mechanism for the high-voltage switch cabinet comprises a mounting block, a sliding block, a connecting rod, a back limiting mechanism, a front limiting mechanism and a trigger mechanism; a sliding groove is formed in the mounting block; the sliding groove is in sliding connection with the slidingblock; the sliding block is movably connected with the connecting rod; and the back limiting mechanism, the front limiting mechanism and the trigger mechanism are arranged on the mounting block. Thesafety problem caused by misoperation is avoided; furthermore, the interlocking mechanism for the high-voltage switch cabinet does not need other operation, is simple, convenient and rapid and can beimplemented by cooperating with normal door opening / closing action; and the interlocking mechanism for the high-voltage switch cabinet has a high linkage property and adopts a pure mechanical structure, and the cost of all the structural parts is low, so the cost problem caused by the use of a program lock is avoided.

The invention relates to the technical field of film laminating machines, in particular to film laminating equipment for plate surface film laminating. The film laminating equipment comprises a supporting bottom plate and a switch, the switch is arranged above the supporting bottom plate, an adjusting and limiting mechanism is arranged above the supporting bottom plate, the adjusting and limiting mechanism comprises supporting plates, the supporting plates are fixedly connected to the left side and the right side of the top end of the supporting bottom plate, a locking mechanism is arranged on the lower side in a third fixing plate, an adjusting trimming mechanism is arranged behind the locking mechanism, and a supporting mechanism is arranged in front of the supporting plates. The two sides can be adjusted at the same time, clamping of a film roller can be completed at the same time in the adjusting process, a film and a plate which are matched are clamped at the same time, meanwhile, the adjusted plate and a protective film are located in the center of the device, the film laminating effect is better, limiting and adjusting of the two sides of the protective film and the two sides of the plate are completed through single-side rotation, and the practicability and convenience of the device are greatly improved.

The invention discloses a bacteriostasis and stain removal system of a handrail in a public place. The bacteriostasis and stain removal system comprises two clamping blocks, wherein the two clamping blocks are symmetrical from left to right, moving mechanisms are arranged in the clamping blocks, each moving mechanism comprises two top wheels which are symmetrical from left to right, the handrail can be clamped up and down by the top wheels and the clamping blocks, the top wheels can move up and down according to the size of the handrail, rotatable transverse rotating wheels are arranged in theclamping blocks, the handrail can be clamped from left to right by the transverse rotating wheels, so that the device moves along the handrail, and driving mechanisms are arranged on the upper sidesof the moving mechanisms. According to the device, only one motor is used, so that the whole linkage is strong, and one repetitive motion can be automatically completed on the handrail; bacterium removing liquid is uniformly sprayed on the handrail, and residual bacterium removing liquid is wiped off, so that the handrail is kept clean; and the internal dimension of the device can be automaticallyadjusted according to different sizes and widths of the handrail, the adaptability is strong, the device has the advantages of high degree of automation and manpower saving.

The invention discloses a big date face monitoring system and device. The big date face monitoring system and device comprise a shell and a cylindrical rotating cavity with a rightward opening and formed in the shell, wherein a rotating groove is formed in the inner wall of the lower end of the cylindrical rotating cavity in a communicating mode, and a swing control cavity located at the lower endof the cylindrical rotating cavity is formed in the inner wall of the right end of the rotating groove in a communicating mode; a connecting cavity is formed in the lower end of the rotating groove,and a second gear cavity located at the lower end of the swing control cavity is formed in the right end of the connecting cavity; a belt wheel cavity is formed in the lower end of the connecting cavity, and a rotating head is rotatably connected into the cylindrical rotating cavity in a matched mode; a swing cavity is formed in the rotating head, and a probe cavity with a rightward opening is formed in the right end of the swing cavity, and the probe cavity extends up and down; a swing groove extending up and down is formed between the probe cavity and the swing cavity in a communicating mode; and a swing rod extending left and right is connected into the swing groove in a hinged mode, and a probe located in the probe cavity is fixedly connected to the tail end of the right end of the swing rod. The big date face monitoring system and device have a simple structure, are convenient to use, and have great practicability.

The embodiment of the invention provides a network security protection method and system. The method comprises the steps of determining a security service capability arrangement result based on at least one of a security protection demand, a fusion analysis result, a security service arrangement plan, threat disposal information, security situation information, a threat disposal result, an arrangement execution result, a disposal research and judgment result and a situation research and judgment result; and decomposing and issuing the security service capability arrangement result to a security management and disposal command unit, so that the security management and disposal command unit determines a security service capability arrangement instruction based on the security service capability arrangement result and issues the security service capability arrangement instruction to a network security object. According to the method and the system provided by the embodiment of the invention, all the constituent units of the network security protection system are integrated, organically fused and cooperated with one another to form a closed loop, the system linkage is strong, and protection resources can be configured as required and network threats can be accurately and timely handled.

The invention discloses a foldable tricycle which comprises a front wheel steering mechanism for a front wheel, wherein two parallel connecting rods are in pivoted connection with a support sleeve in the front wheel steering mechanism; the two connecting rods are in pivoted connection with a driving component; the driving component is in pivoted connection with a rear frame with rear wheels and is connected with a cushion support tube through a pull rod; the cushion support tube is in pivoted connection with the rear frame; when the foldable tricycle is unfolded, the front wheel is not coincided with the rear wheels, inclined angles are kept between the connecting rods and the support sleeve and the rear frame is vertical to a vertical tube of the cushion support tube; when the foldable tricycle is folded, the front wheel is parallel to and locally coincided with the rear wheels, a plane formed by the lowest points of the front wheel and the rear wheels is parallel to the horizontal plane, the connecting rods are parallel to the vertical tube of the support sleeve and the rear frame and the cushion support tube are parallel to each other or are formed into a wedge-shaped structure. After the foldable tricycle is folded, the three wheels are under parallel state and are free from height difference, the whole tricycle can be pushed through a pulling handle, the tricycle can be conveniently carried under the folded state, the folding effect of the tricycle is better, less space is occupied, the whole appearance is beautiful, no protruded part exists and the safety is higher.

The present invention relates generally to the field of primers and adhesion promoters. More specifically, the primer of the present invention is comprised of one or more multi-carbonylated methacrylates. In a preferred embodiment, a non-ketone polar solvent is also employee. The resulting composition eliminates primer related discoloration of artificial nail enhancements, eliminates the potential for corrosion of skin and nails, and eliminates risk of chemical burn injury, while providing stronger adhesion than currently available primers.

The invention relates to the technical field of printing equipment, in particular to a 3D printer which comprises a bottom frame. Multiple sets of vertical frames are arranged at the top of the bottom frame, a top frame is arranged between any two vertical frames, a cross beam is arranged between the top frames through a Y-axis controller, and an X-axis controller on the outer surface of the cross beam is slidably connected with a printing device; and a bottom plate is arranged at one side of each top frame through a Z-axis controller, the printing device comprises a booster, a raw material pipe is slidably connected into the booster, a heating cavity is formed in the bottom of the booster, the bottom of the heating cavity communicates with a flowing cavity, and a temperature sensor is arranged in the flowing cavity and used for detecting the internal temperature of the flowing cavity. According to the 3D printer, the current value of an electromagnet is controlled to change a gap between a heat-resistant magnetic ball and a spray head and change the volume of a molten material flowing out of the spray head, the material thermal expansion principle is combined, the material volume is increased when the temperature rises, the needed shape and volume are obtained after cooling, the printing effect is good, and the printing precision is high.

The invention discloses a system capable of preventing influenza from spreading in buses. The system comprises a disinfection box, wherein a disinfection mechanism is mounted on the right end surface of the disinfection box and comprises a storage block fixedly connected with the right end surface of the disinfection box; a storage cavity is formed in the storage block; a disinfection solution is stored in the storage cavity; a transverse cavity is formed in the lower end wall of the storage cavity; a certain amount of disinfection solution complemented by the storage cavity is stored in the transverse cavity; and a piston is slidably arranged in the transverse cavity. The system is clamped on a coin box of a bus, is small in occupied space and free of influence of passage of passengers, and is capable of disinfecting hands of a passenger suffering from influenza or body weakness, providing a gauze mask for the passenger after disinfecting and comprehensively avoiding infection of the influenza; a motor is not arranged in the system; the energy is saved; meanwhile, the system is high in overall linkage performance and is suitably used in different buses.

The invention, relating to the technical field of the vending device, discloses an open self-service beverage vending device and method. The open self-service beverage vending device comprises cargo releasing parts and a cargo taking part. The cargo releasing parts are arranged at the left side and the right side of the cargo taking part symmetrically. The cargo taking part includes a support plate, a housing I, a rodless cylinder, a lifting motor, a rotating cylinder, a telescopic cylinder and a clamping cylinder. The cargo releasing parts include housings II, placement plates, and supportingplates; and positioning slots are distributed in the placement plates uniformly. According to the invention, the cargo feeding work is completed by the worker in advance and then the beverage vendingwork is completed automatically by the mechanical linkage of the cargo taking part. The pen self-service beverage vending device has characteristics of ingenious structure, strong linkage, great convenience in post maintenance, and great convenience in loading and taking.

The invention discloses an automatic film winding machine for logistics transportation packages, which comprises a machine body. A packaging cavity with left and right openings is formed in the machine body; two conveying cavities which are symmetrical left and right and are provided with upward openings are formed in the packaging cavity; a conveying mechanism capable of conveying packages rightwards is arranged in the conveying cavity; a transmission wheel with an upward opening is arranged between the two conveying cavities; a rotary table is rotationally arranged on the bottom wall of thetransmission wheel; and transmission mechanisms are arranged in the rotary table and the machine body for driving the conveying mechanisms to operate to convey the packages rightwards. The film winding and packaging process of logistics transportation packages can be automatically conducted, manual operation is not needed any more, the labor and time cost is greatly saved, the linkage performancein the device is high, the transmission performance is high, the number of motors needed by a common device can be greatly reduced, and the device cost is saved.

The invention discloses an internal cleaning machine for a water pipe of a water conservancy project. The internal cleaning machine comprises a head body and a tail body, the head body is located on the left side of the tail body, a pipe cavity is formed in the water pipe, two vertically symmetrical fixed covers are fixedly arranged on each of the outer peripheries of the head body and the tail body, a cavity is formed in each fixed cover, a moving wheel which can enable the head body and the tail body to move left and right on the inner wall of the pipe cavity is rotationally arranged betweenthe front wall and the rear wall of each cavity, and abuts against the inner wall of the pipe cavity, and a cleaning brush capable of being used for cleaning the inner wall of the pipe cavity is rotationally arranged on the left side of the head body. The internal cleaning machine can effectively clean the inner wall of the pipeline of the water conservancy project, and can solve the problem of sliding in moving of the inner wall of the pipeline through the segmented forward movement mode, so that the machine can stably move inside the pipeline.