439results about How to "Not easy to tangle" patented technology

The invention relates to a machine used for the combined operation of chopping crop straws and returning farmland and recycling residual films on the ground surface. The machine comprises a traction unit (1), a transmission system (2), a frame (3), a residual film box (4), a land wheel (10), a scarifier tyne (11), a straw chopping device and a residual film recycling device; the straw chopping device consists of a reciprocating cutterbar (13), a transverse conveying belt (12), a disc type chopper (14), a protection hood (16) and a transmission device; wherein, the residual film recycling device is arranged at the back of the residual film box and consists of a chain harrow (6), an elastic gear (7) for raking the film, a bottom board (9) and a feeler wheel (8); a gear rod (5) is arranged on the chain harrow, and the elastic gear (7) for raking the film is arranged at the back side of the residual film recycling device. The machine can finish the two operations of returning the straws to the farmland and recycling the residual films, has the advantages of high operation speed, clean residual film recycling, small energy consumption and film-rod separation; moreover, the residual films are hard to twist working parts; therefore, the demands of chopping the straws and recycling the residual films can be met.

The invention provides a hanging air-conditioner and a cleaning control method thereof. An indoor unit of the hanging air-conditioner comprises a shell, a filtering net, a water tank, a cleaning trough, a rolling brush and at least one driving device, wherein an air inlet is formed in the upper side of the shell; an evaporator is arranged inside the shell; the filtering net is arranged at the air inlet; the water tank is arranged on the lower portion of the shell and used for collecting condensate water on the surface of the evaporator; the cleaning trough is arranged below the water tank and used for controllably introducing the condensate water from the water tank; the rolling brush is arranged in the cleaning trough; the at least one driving device is used for controllably driving the filtering net to move between the air inlet and the cleaning trough back and forth so that the rolling brush can rotationally brush the filtering net under a dry state; and after the condensate water is introduced into the cleaning trough, the rolling brush is rotated to wash the filtering net. The hanging air-conditioner and the cleaning control method thereof are high in automation degree and good in cleaning effect.

This invention relates to a double drive compound flow washing machine, which comprises the following parts: plane frame elements, water barrel upper ring, water barrel 9, water barrel cover 56, case elements 10, washing and drying barrel 11, balance ring 55, bottom socket 31, central socket 44, upper cover elements 61, ring elements 76, water in device, level control device, first and second washing drive flow generating device; control device, drainage device and safety protection device. When the machine works, the first flow generating device wheel generates front and back alternating plane flows and the second flow device generates upper flow to generate strong three dimension flow to peel off dirt form clothing and to hold the clothing up.

The invention relates to a novel straw smashing and film residue recycling machine comprising a traction device (1), a transmission system (2), a frame (20), a film residue box (10), a land wheel (19), a straw smashing device, a straw feeding device and a film residue recycling device, wherein the straw smashing device is composed of a cutter shaft (5), a blade (4) and a shield (3); the straw feeding device is composed of a straw conveying chain (6), a scraper (7), a base plate (8) and a tail plate (9); the film residue recycling device is composed of a film residue feeding chain (15), a film scraper (16), a film lifting rack and a suspension rod (17); and the film lifting rack is composed of a film lifting tooth (18), a grid bar (14), a frame (13) and a slide rail (12). The novel straw smashing and film residue recycling machine is simple in structure, high in operation speed, good in ground profiling capability, clean in film residue recycling, and low in impurity content in the recycled film residue; besides, the film residue is not easy to intertwine around a working component; and therefore, the machine is capable of meeting the requirements of straw smashing and film residue recycling.

The invention relates to the three dimensional rapid moulding photosensitive resin field, and discloses a photosensitivity siloxane and hyperbranched polyether polyol-containing photosensitive resin composition. The composition is suitable for a light-cured three dimensional rapid moulding technology, and comprises A)a low-viscosity photosensitivity group (methyl) acrylate group-containig siloxane with usage amount being 0.1-30wt%; B) hyperbranched polyether polyol with number-average molecular weight being 400-20000g / mol and usage amount being 0.1-50wt%; C)an epoxide group-containing cation light-cured compound with usage amount being 5-70 wt%; D)an unsaturated bond function group-containing free radical light-cured compound usage amount being 2-30 wt%; E)a cation photoinitiator usage amount being 1-10 wt%; F)a free radical photoinitiator usage amount being 1-10 wt%; G)a filling material usage amount being 1-20wt%; H)other auxiliary materials usage amount being 0.1-5wt%. The photosensitive resin composition has good mechanics, calorifics performance and solidification performance of a solidification object after laser three dimensional rapid moulding.

The invention relates to an automatic-cleaning waste disposal plant, comprising a cylinder, a grid filter screen and a motor, the mesh channel of the grid filter screen is a flow passage of variable section which means that the channel is becoming narrower along the liquid flowing direction, and the length of the channel is more than or equal to 3mm, the cylinder is provided with a baffle component composed of an upper support, a hollow casing pipe, a lower support and an inclined plate, one end of a rotating shaft is in connection with the outlet shaft of the motor, after passing through the lower support, the casing pipe and the upper support, the rotating shaft is connected with a grid which is in fixed connection with the grid filter screen, the inclined plate is fixed on the upper support and the lower support, which is arranged inside the cylinder of the grid filter screen in an inclined direction, the inner wall of the cylinder is fixed with two external baffles which are arranged in inclined direction corresponding to the two sides of the inclined plate, the baffles divide the grid filter screen and the cylinder into a filtering area and a backflushing area, the cylinder is provided with a water inlet, a water outlet, a water backflushing inlet and a water backflushing outlet, an internal rolling roller and an external rolling roller being arranged inside the cylinder are located in the inner and outer sides of the grid filter screen and is also located in the joining part of the filtering area and the backflushing area. The waste disposal plant of the invention is characterized by the reasonable structure, the low cost and the high waste filtering efficiency.

The invention discloses an integrated device for kitchen waste continuous crushing pulping and component sorting. The integrated device comprises a main driving device, and a feed oil extraction device, a feed end main bearing, a crushing cavity, a discharging end main bearing and a discharging sorting device which are sequentially connected, and the main driving device provides motive power required by operation of the crushing cavity. The integrated device has the advantages that a treatment mode of primary oil extraction, crushing and then sorting is applied, the process is simple, and the treatment efficiency is high; kitchen waste conveying and primary oil extraction can be achieved through the feed oil extraction device; a dodecahedron special for kitchen waste is used as a crushing body and performs casting motion in the crushing cavity which rotates in a decelerating mode to crush and grind raw materials, crushing effects are good, the pulping efficiency is high, and intertwining is not prone to occurrence; impurities and organic material pulps can be effectively separated by means of the discharging sorting device. The whole integrated device is reasonable in design, high in integration level and capable of performing continuous operation of kitchen waste crushing pulping and component sorting.

The invention relates to a clamp conveying type plastic film residue recycling machine with a field straw chopping and returning function. The clamp conveying type plastic film residue recycling machine with the field straw chopping and returning function comprises a hauling device (1), a driving system (2), a frame (6), a plastic film residue box (13), a travelling wheel (25), a straw chopping device, a straw conveying device (7), a plastic film residue recycling device and a film removing device, the hauling device (1) is arranged on the front side of the straw chopping device, the straw conveying device (7) is arranged on the rear side of the straw chopping device, a tail slide plate (8) is arranged on the rear side of the straw conveying device (7), the plastic film residue recycling device is arranged on the lower side of the straw conveying device (7), and the plastic film residue box (13) is arranged on the rear side of the plastic film residue recycling device which comprises a film lifting frame (14), a clamping plate chain (15), a clamping plate (16), a conveying belt chain (18), a conveying belt (19), a film lifting gear (20) and a soil retaining plate (23). The clamp conveying type plastic film residue recycling machine with the field straw chopping and returning function has the advantages of simple structure, high working efficiency, clean plastic film residue recycling, less proneness to plastic film residue twining, low impurity content in recycled plastic film residues and the like.

The invention discloses a marine propeller protection net, which comprises a net cover arranged on the periphery of the propeller and connected with the bottom of the hull; The protective net at the bottom of the propeller, the protective net at the bottom of the propeller and the rear protective net of the propeller are connected to each other and are respectively connected to the bottom of the hull; the present invention arranges a net cover around the propeller of the ship, which does not affect the effect of the water flow and the propeller, and can block the impact of foreign objects The propeller, and debris such as weeds or fishing nets are not easy to touch the propeller, and it is not easy to wrap around the propeller, which ensures the life of the propeller and the safety of the ship.

The invention provides a multifunctional electrocardio examining table, aiming to provide a multifunctional electrocardio examining table with high examination efficiency and low labor intensity. The technical scheme of the invention is that: the multifunctional electrocardio examining table comprises a table board and a connected electrode, wherein a lower limb connected electrode plate exposed to the table board is arranged on the front and the back sides of the table board at the right end respectively; two connected electrode plates which are exposed to the table board and opposite to the lower part of the upper limb of an examined person are also arranged on the table board; four hollow screws penetrate through table board holes and are connected with upper and lower limb connected electrode plates respectively; four connected wires penetrate through the hollow screws and are connected with the upper and the lower limb connected electrode plates respectively; a stand is arranged on the front side at the left end of the table board, and two hanging hooks are arranged on the top of the stand; and the upper and the lower limb connected wires and a chest connected wire are arranged on the lower surface of the table board, and the chest connected wire is extracted from the front side at the left end of the table board and hung on the two hanging hooks on the top of the stand. The multifunctional electrocardio examining table is particularly suitable for physical examination of large sample crowds.

The invention discloses a bobbin assembly capable of realizing peripheral unwinding. The bobbin assembly comprises a bobbin, wherein a rotating shaft is arranged in the bobbin; a rotary elastic component is arranged between the rotating shaft and the bobbin; one end of the rotary elastic component is connected with the rotating shaft; the other end of the rotary elastic component is connected with the bobbin. The rotary elastic component is a coil spring, a torsional spring, a corrugated telescopic spring or a rubber band. The rotating shaft and the bobbin are rotatably connected through a bearing. The bearing is adjacent to the rotary elastic component, and an isolation retainer ring is arranged between the bearing and the rotary elastic component. According to the bobbin assembly disclosed by the invention, cheese is fixedly arranged on the bobbin of the bobbin assembly in a sleeving manner and used as warp yarns for 3D weaving, the unwound warp yarns are always at a tensioned state, are not easily entwined per se and are further not easily twined with other yarns, and therefore normal proceeding of 3D weaving can be ensured and the quality of a 3D fabric is greatly improved.

The invention relates to a delay coking defoaming agent composition and a preparation method thereof, the defoaming agent is prepared by compounding fluorine-containing polysiloxane, glycerin type dendritic polyether, high carbon alcohol and a solvent. The preparation method of the defoaming agent is as follows: dispersing the fluorine-containing polysiloxane in the high carbon alcohol, stirring for 1 to 2 hours at 10-30 DEG C, then adding the glycerin type dendritic polyether and the solvent, stirring for 1 to 5 hours at 100-150 DEG C, and cooling to obtain a defoaming agent product. The delay coking defoaming agent has excellent defoaming antifoaming performances at 400-500 DEG C, in a high temperature delay coking process, the delay coking defoaming agent can still maintain good defoaming antifoaming performances and stability.

A polytrimethylene terephthalate fiber, a method for producing the same, a cheese-shaped package formed thereof, a false-twist textured yarn using the fiber and a fabric using the false-twist textured yarn are provided. The fiber is composed of 90 mol% or more of trimethylene terephthalate repeating units having a density in a range from 1.320 to 1.340 g / cm<3>, a birefringence in a range from 0.030 to 0.070, a peak value of thermal stress in a range from 0.01 to 0.12 cN / dtex, a boiling water shrinkage in a range from 3 to 40%, and an elongation at break in a range from 40 to 140%. The inventive polytrimethylene terephthalate fiber has both of proper crystallinity and orientation and is free from the package tightness due to yarn shrinkage and the bulge. The inventive fiber can be produced on an industrial scale.

The invention discloses an injection-production system and an injection-production method, aiming to solve the problem that a pipe column in a production well is difficult to lift during subsequent well repairing operation of the injection-production system in the prior art. In the injection-production system provided by the invention, a monitoring pipe column and a production pipe column which are independent of each other are arranged in the production well, an injection pipe column and a gas injection pipe column are arranged in the injection well, and the tail end of the production well is communicated with the bottom of the injection well, wherein the monitoring pipe column comprises a monitoring pipe and a guide cone which are connected in series in sequence; a plurality of temperature pressure monitoring devices are arranged in the monitoring pipe; the production pipe column comprises a sucker rod and an oil-gas separating device which are connected in series in sequence; the gas injection pipe column sleeves the upper part of the injection pipe column; the injection pipe column comprises a first oil pipe and a first sealing device which are connected in series in sequence, and a bell mouth is formed at the tail end of the injection pipe column; the gas injection pipe column comprises a second oil pipe and a second packer which are connected in series in sequence. Through the injection-production system and the injection-production method provided by the invention, the difficulty in lifting the pipe column in the production well can be lowered effectively.

The embodiment of the invention provides a washing machine, and belongs to the field of household appliances. The washing machine comprises a box body, an outer drum, an inner drum and an air ejection device, wherein the outer drum, the inner drum and the air ejection device are arranged in the box body, the outer drum is arranged at the outer part of the inner drum in a sleeving mode, and the shape of the outer drum is matched with that of the inner drum; the inner drum is configured to accommodate water and clothes; the air injection device is configured to inject air in the inner drum to clean the clothes through an air injection opening and via openings in the inner drum. According to the technical scheme, the injected air is utilized as power for cleaning the clothes, the air ejection device is utilized to inject high-speed air to washing water, impact force generated when the air is injected to the clothes and the impact act of the high-speed air exerted on the clothes are utilized to make the clothes fiercely turn over and conduct mutual friction, so that cleaning is conducted, the cleaning effect is good, and the clothes are not prone to twining.

The invention belongs to the field of chemical material synthesis and particularly relates to a synthesis method of ultraviolet-curing acrylate resin with a hyperbranched structure and application of the ultraviolet-curing acrylate resin in the field of paint. The method includes the step that amine monomers and acrylate monomers are subjected to a Michael addition reaction to obtain the AxBy type hyperbranched resin. The resin obtained through the method can achieve curing and cross-linking under the action of ultraviolet, and is large in molecular weight, low in volatility and small in smell. Each molecule contains multiple acrylate functional groups, the photo-curing speed of the resin is high, and the hardness of solid products is high. Besides, the resin molecules have a highly-branched three-dimensional spherical structure, the molecules are not likely to entangle, the solution viscosity is much lower than that of linear molecules with the same molecular weight, and a high-solid low-viscosity solution can be formed. The ultraviolet-curing acrylate resin with the hyperbranched structure can be applied to the fields of paint, adhesives, printing ink, 3D printing and the like, and has extremely good market prospects.

The invention discloses thermal light and thin fabric which is formed by interweaving of A yarn and B yarn, wherein the A yarn comprises, by mass, 60%-75% of wool fibers and 25%-40% of bamboo-carbon fibers, the B yarn comprises, by mass, 50%-60% of kapok fibers, 20%-30% of mulberry silk fibers and 10%-20% of modal fibers, and both the A yarn and the B yarn are formed through twisting by means of the siro spinning technology. In this way, the fabric is light and thin, breathable, good in thermal performance, capable of inhibiting and resisting bacteria, non-toxic, harmless, environmentally friendly, and safe.

The invention belongs to the field of sorting devices, and particularly relates to a sorting device and a technical method before the incineration treatment of urban household garbage. A feeding apparatus, a plate conveyer, a bag breaker and a PK chain conveyer are connected with an adjustable bar vibrating screen in sequence; an oversize product discharge opening of the adjustable bar vibrating screen is connected with a charging opening of a drum screen; an undersize product discharge opening of the adjustable bar vibrating screen is connected with a charging opening of the breaker; an oversize product discharge opening of the drum screen is connected with a feeding conveying belt of a positive-pressure wind separator; an undersize product discharge opening of the drum screen is connected with a charging opening of a second magnetic separator. The invention provides the sorting device and the technical method before the incineration treatment of the urban household garbage, through which an apparatus is used for replacing manual hand picking to sort a large article when the urban household garbage is sorted, meanwhile, a flexible entanglement can be also sorted out, the labor intensity of a worker is decreased, the occurrence that the apparatus is entangled is reduced, and the work efficiency of a sorting line for the urban household garbage is improved.

The invention discloses a dust collector roller sucker with a conveniently detached rag, which belongs to a structure of a dist collector provided with a tool for loosening dust. The dust collector roller sucker comprises a clapboard provided with an air inlet in a shell; a fan shaft support formed at one side of the clapboard is provided with a fan, a belt linkage device and a leather belt; cylindrical rollers provided with shaft holes are arranged on roller shafts at two ends of a roller fixing frame at the other side of the clapboard; a roller sleeve and a roller toothed sleeve are clamped respectively at the stepped parts at two ends of the rollers, a T-shaped-section groove in which a rubber sheet is inserted is formed on the peripheral wall of each roller along the length direction, and a rag integrally formed is combined at one side of the vertical part of the rubber sheet. The dust collector with the design is not easily wound by fibers such as hair and the like when in dust collection; the roller sucker provided with the rag is convenient to detach; when in dust collection, and less rags of each sucker are used, and the cost is low.

The invention discloses a warping mechanism used for a small sample loom, comprising a yarn creel for yarns to be wound on; the yarn creel is distributed with a yarn-guiding rod, a lease reed, an expansion reed and a winding device in sequence along the yarn unwinding direction; the yarn creel is provided with a plurality of yarn supports which are arranged together; a bracket which rotates around the yarn support is sleeved on the yarn support; the bracket is sleeved with a yarn winding drum; the bracket of the warping mechanism can rotate around the yarn bracket, is easy to adjust to a proper angle for implementing end breaking or yarn changing and is convenient for yarn winding; in addition, the warping mechanism realizes regular arrangement of yarn when in small sample weaving, leads the yarn not to be wound together easily, can greatly increase warping length, has simple structure, easy manufacture and installation, convenient adjustment and low cost and can be matched for use with the common small sample loom and the small automatic sample loom.

The invention discloses a cutting device of a floating debris cleaning boat. The cutting device comprises transverse cutters, longitudinal cutters, a first hydraulic motor, a second hydraulic motor, a transverse bracket and a longitudinal bracket. The cutting device further comprises a third hydraulic motor. The third hydraulic motor is connected with the transverse bracket in a transmission way. The transverse cutter comprises a first rotating disk and a plurality of first detachable blades. Four transverse cutters are arranged along the transverse bracket. The area scanned by rotation of the first detectable blades on two adjacent first rotating disks is overlapped partially and is distributed by layers on a space. The longitudinal cutter comprises a second rotating disk and a plurality of second detectable blades. Two longitudinal cutters are respectively fixed on a left beam and a right beam of the longitudinal bracket. Disk surfaces of the second rotating disks of two longitudinal cutters are longitudinally and vertically arranged. The cutting device is out of order difficultly, capable of effectively cutting water plants fast, featured with high cutting efficiency and capable of cutting and cleaning the water plants in near-shore shallows.

The invention relates to the technical field of driving speed regulation, and discloses an energy-saving environment-friendly type permanent magnet speed regulation device; the energy-saving environment-friendly type permanent magnet speed regulation device comprises a shell, wherein a rectangular pipe is transversely connected with the left of the shell through a rectangular through hole in a sliding and sleeving mode, and an output shaft is arranged in the rectangular pipe, and two first rolling shafts are fixedly connected to the shaft wall of the output shaft; the outer rings of two firstrolling bearings are fixedly connected with the inner wall of the rectangular pipe, and one end of the output shaft penetrates through the rectangular pipe and is fixedly connected with a mounting block; an annular groove is formed in the right side of the mounting block; a plurality of first magnets are uniformly and fixedly connected to one side of the annular groove, wherein the plurality of first magnets are annularly distributed; and a transverse plate is fixedly connected to the lower end of the left side of the shell. According to the device, the transmission torque between a permanentmagnet rotor and a conductor rotor in the speed regulation device can be effectively increased, so that the driving device is not easy to perform idle rotation, electric energy is saved, and when thepermanent magnet speed regulation device works, the clothes of workers are not prone to being wound so as to avoid dangers.

The invention provides a preparation method for regenerative polyester staple fiber, comprising the following steps: drying polyester regenerated material, mixing the polyester regenerated material with inorganic granule, melting by a screw melt extrusion spinning machine, spinning, cooling, bundling and applying oil, falling bucket in reciprocating manner and bundling; carrying out first-stage oil bath traction by a traction machine, carrying out second-stage steam traction by the traction machine, carrying out tension heat shaping by the traction machine, cooling and applying oil, carrying out three-stage tension by the traction machine, and cutting by a staple fiber cutting machine; the method has low production cost, high efficiency, energy-saving and environment-friendly performances; the fiber prepared by the invention has high density, large oil absorbing quantity and has good dispersity, and is not easy to intertwist, thereby improving mechanical property, remarkably reducing thermal shrinkage and aging resistance; and, the bond stress with the aggregate is enhanced in the asphalt concrete, thereby remarkably improving the reinforcing effect of asphalt concrete.

The invention provides a light-cured adhesive and a preparation method and application thereof.The light-cured adhesive is prepared from sulfydryl-terminated hyperbranched polyester, urethane acrylate, epoxy resin, a reactive diluent, a silane coupling agent and a photobase generator. Compared with the prior art, sulfydryl-terminated hyperbranched polyester is adopted as a preparation raw material, and an active diluent is supplemented, so that the viscosity of the adhesive system can be further reduced, the uniform dispersion and migration of active components generated after illumination inthe system are facilitated, the concentration of active components at the bottom layer can be improved, and deep curing can be quickly realized after heating and drying. Sulfydryl-terminated hyperbranched polyester, urethane acrylate and epoxy resin are used as reaction monomers, and under the action of alkaline light initiation of a photobase generator, sulfydryl double bonds / epoxy can be subjected to a rapid click chemistry type deep photocuring reaction. The polyurethane acrylate and the silane coupling agent are introduced, so that the toughness, the adhesive force and the waterproof performance of the adhesive can be effectively improved.

The invention relates to an illuminating lamp, in particular to an adjustable illuminating lamp for an outdoor space. According to the adjustable illuminating lamp for the outdoor space, the height and angle can be adjusted, and wires are not prone to winding during using. The adjustable illuminating lamp for the outdoor space comprises a bottom plate, a first bearing seat, a first rotating shaft,a sleeve, a first sliding rail, a first sliding block, a movable rod, a rack, a mounting rod, an electric gear, a conical frame and the like; and the first bearing seat is mounted in the middle of the top of the bottom plate in an embedded mode, a bearing in the first bearing seat is connected with the first rotating shaft, the sleeve is mounted at the top end of the first rotating shaft, and thefirst sliding rail is mounted on the left side face in the sleeve. According to the adjustable illuminating lamp, the movable rod is driven to move up and down by the electric gear and the rack, thusthe height of an LED bulb can be adjusted, a pulling line is wound and unwound by an electric winding wheel, thus the angle of the LED bulb is adjusted, and the effects that the height and angle canbe adjusted, and the wires are not prone to winding during using are achieved.

The invention relates to the technical field of industrial robots, and discloses a robot base, which includes a lower base, a protective plate is arranged outside the lower base, and a plurality of brackets are arranged on the top of the protective plate; a chute is arranged on the top of the protective plate, and the bracket can slide along the chute ; The outer ring of the protective plate is provided with a shell, and a buffer device is arranged between the shell and the protective plate; the shell includes a plurality of first baffles and second baffles, and the first baffles and the second baffles are arranged at intervals; The baffle is made of high-strength rubber, and the second baffle is made of nickel-titanium alloy; there is a shell on the outside of the protective plate, and a buffer device is arranged between the shell and the protective plate, thereby improving the service life of the robot; the protective plate not only The base of the robot can be protected, and the peripheral pipelines of the robot can be respectively arranged inside the support, so that the peripheral pipelines are not easy to be entangled, and it is convenient to distinguish the peripheral pipelines.

The invention provides an air supply device comprising a first filter (80) disposed on an inlet port (15) of a main body housing (housing) (12); and a second filter (90) disposed between the first filter (80) and a fan (26). The second filter (90) is characterized in that the second filter (90) is disposed on the housing (12), and a linear distance L1 between an approximately central part (b) of the second filter (90) and a head part (26a) of a fan (26) along an axial direction of the housing (12) is smaller than or equal to a linear direction L1 between an peripheral part (c) of the second filter (90) and a head part (26a) of the fan (26) along the axial direction.

The invention discloses a floor-wiping and shoe-wiping dual-purpose machine, namely an electric floor wiping machine which can serve as a shoe wiping machine at the same time and has functions of sweeping, wiping and sucking. A storage battery supply is adopted, and cotton yarn brush rollers are used for wiping the floor, so that the machine integrates the functions of sweeping, wiping and sucking and achieves dry and wet double purposes. When the machine is used for wiping the floor, the brush rolls rotate back and forth in a rolling mode, swing left and right in a reciprocating mode and act in a mode that the height floats with topography; and wet tissues are used for wiping the floor indirectly, so that the machine is simple to operate and convenient for maintenance. When the machine is used for wiping shoes, the effect of induced air dust removal is promoted, so as to bring about benefits for air cleaning. The machine has the characteristics of reducing labor intensity, guaranteeing cleaning quality, improving working efficiency and reducing water and electricity consumption.

The invention belongs to the field of mechanical paint spraying equipment, and particularly provides mechanical equipment for spraying and brushing paint. Aiming at solving the problems that existingequipment is not equipped with devices for mounting and fixing a paint spray gun, automatically adjusting the position of the paint spray gun and auxiliarily supporting an operating table, the mechanical equipment for spraying and brushing paint is low in automation degree and the paint is easily volatilized, has high pollution and causes body injuries of workers easily, the following scheme is proposed: the mechanical equipment for spraying and brushing paint comprises a base, wherein a paint box is fixedly mounted at the top of the base, a booster pump is fixedly mounted on one side of the paint box, and a water inlet pipe of the booster pump is fixedly mounted in the paint box. The mechanical equipment for spraying and brushing paint is simple in structure and convenient to operate, hoses can be automatically stretched or retracted during spraying and brushing by the mechanical equipment for spraying and brushing paint and are not prone to winding, furthermore, a spray nozzle can becontrolled automatically back and forth for performing spraying and brushing work, degree of automation is high, manual control is not needed, sprayed residual paint can be rapidly collected and filtered at any time, and environmental pollution is avoided.

The invention discloses a high-strength pressure-resistant polyethylene composite pipe and a preparation method thereof. The high-strength pressure-resistant polyethylene composite pipe comprises a core pipe, a thin sheet skeleton reinforcing layer and an outer surface layer; and the thin sheet skeleton reinforcing layer is arranged between the core pipe and the outer surface layer. With the tightcombination with a thin sheet, the high-strength pressure-resistant polyethylene composite pipe has good strength and toughness; the inner layer and the outer layer of the composite pipe are coated with modified polyethylene materials, so that the composite pipe has higher tensile strength, bending strength, high modulus and high impact resistance; with the arrangement of first springs, a leveling roller collides with the thin sheet in a natural state, and the thin sheet is pressed to a flat state through the gap between the leveling roller and the core pipe and wound on the core pipe; with the arrangement of a grinding mechanism, thin sheets with different thicknesses are convenient to grind, so that the thin sheets are smoother and more flat, and the bonding effect is good; and with thearrangement of a pressing mechanism, the thin sheets with different thicknesses can be conveniently squeezed to be smoother.